/* =============================================
   WAMBUI RESEARCH - PROFESSIONAL ACADEMIC STYLES
   v5 — Clean, No Duplicates, Dark Mode for ALL Plugins
   ============================================= */

/* ============================================= */
/* DESIGN TOKENS */
/* ============================================= */
:root {
    --color-bg: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F8FAFC;
    --color-surface-tint: #F1F5F9;
    --color-text: #1E293B;
    --color-text-muted: #475569;
    --color-text-subtle: #64748B;
    --color-text-faint: #94A3B8;
    --color-border: #F1F5F9;
    --color-border-strong: #E2E8F0;
    --color-accent: #8C3A3A;
    --color-accent-dark: #6E2D2D;
    --color-accent-light: #C97D7D;
    --color-accent-soft: rgba(140, 58, 58, 0.06);
    --color-accent-soft-strong: rgba(140, 58, 58, 0.14);
   --font-serif: 'Lora', 'Georgia', 'Times New Roman', serif;
    --font-sans: 'Lora', 'Georgia', 'Times New Roman', serif;

    --radius-sm: 4px;
    --radius: 5px;
    --radius-lg: 6px;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;

    --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================= */
/* DARK MODE - Complete Variables */
/* ============================================= */
body.dark-mode {
    --color-bg: #0F172A;
    --color-surface: #1E293B;
    --color-surface-alt: #0F172A;
    --color-surface-tint: #0F172A;
    --color-text: #E2E8F0;
    --color-text-muted: #CBD5E1;
    --color-text-subtle: #94A3B8;
    --color-text-faint: #64748B;
    --color-border: #334155;
    --color-border-strong: #334155;
}

/* ============================================= */
/* BASE RESET */
/* ============================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-serif);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    transition: background 0.3s ease, color 0.3s ease;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.25s var(--ease-standard);
}

a:hover {
    color: var(--color-accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================= */
/* GLOBAL DARK MODE - Applies to ALL elements */
/* ============================================= */
body.dark-mode,
body.dark-mode * {
    color: var(--color-text);
}

/* Exceptions - Elements that MUST keep their color */
body.dark-mode .btn-primary,
body.dark-mode .btn-primary * {
    color: #FFFFFF !important;
}

body.dark-mode .btn-secondary {
    color: var(--color-accent) !important;
}

body.dark-mode .btn-secondary:hover,
body.dark-mode .btn-secondary:hover * {
    color: #FFFFFF !important;
}

body.dark-mode .nav-cta > a,
body.dark-mode .nav-cta > a * {
    color: #FFFFFF !important;
}

body.dark-mode .logo-mark {
    color: #FFFFFF !important;
}

body.dark-mode .research-link,
body.dark-mode .research-link * {
    color: var(--color-accent) !important;
}

body.dark-mode .research-link:hover,
body.dark-mode .research-link:hover * {
    color: var(--color-accent-light) !important;
}

body.dark-mode .link-underline {
    color: var(--color-accent) !important;
}

body.dark-mode .link-underline:hover {
    color: var(--color-accent-light) !important;
}

/* ============================================= */
/* DARK MODE - Surface & Card Overrides */
/* ============================================= */
body.dark-mode .topbar {
    background: #0F172A;
    border-bottom-color: #1E293B;
}

body.dark-mode .site-header {
    background: #1E293B;
    border-bottom-color: #334155;
}

body.dark-mode .site-header.is-scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

body.dark-mode .hero-section,
body.dark-mode .page-section,
body.dark-mode .impact-section,
body.dark-mode .architecture-section {
    background: var(--color-surface);
}

body.dark-mode .featured-section,
body.dark-mode .speaking-section {
    background: var(--color-bg);
}

body.dark-mode .credentials-box,
body.dark-mode .about-card,
body.dark-mode .impact-card,
body.dark-mode .research-card,
body.dark-mode .research-featured,
body.dark-mode .research-secondary-list,
body.dark-mode .speaking-list,
body.dark-mode .speaking-item,
body.dark-mode .architecture-card,
body.dark-mode .collaborate-form,
body.dark-mode .info-card,
body.dark-mode .media-card,
body.dark-mode .media-download-box,
body.dark-mode .press-list,
body.dark-mode .research-item,
body.dark-mode .about-image {
    background: var(--color-surface);
    border-color: var(--color-border);
}

body.dark-mode .hero-panel {
    background: var(--color-surface-alt);
    border-color: var(--color-border);
}

body.dark-mode .research-featured::before {
    background: var(--color-accent);
}

body.dark-mode .research-empty,
body.dark-mode .speaking-empty {
    background: var(--color-surface);
    border-color: var(--color-border);
}

body.dark-mode .section-divider {
    background: var(--color-accent);
}

/* ============================================= */
/* DARK MODE - Text Colors */
/* ============================================= */
body.dark-mode .hero-title,
body.dark-mode .hero-eyebrow,
body.dark-mode .page-header h1,
body.dark-mode .section-header h2,
body.dark-mode .about-content h2,
body.dark-mode .about-content h3,
body.dark-mode .research-title,
body.dark-mode .research-featured-title,
body.dark-mode .research-secondary-title,
body.dark-mode .speaking-title,
body.dark-mode .architecture-parent,
body.dark-mode .impact-card h3,
body.dark-mode .media-card h3,
body.dark-mode .media-download-box h3,
body.dark-mode .collaborate-form h2,
body.dark-mode .info-card h3,
body.dark-mode .paper-title,
body.dark-mode .research-item-title,
body.dark-mode .impact-full-card h2 {
    color: var(--color-text);
}

body.dark-mode .hero-subtitle,
body.dark-mode .page-subtitle,
body.dark-mode .section-header p,
body.dark-mode .about-content p,
body.dark-mode .research-excerpt,
body.dark-mode .research-featured-excerpt,
body.dark-mode .speaking-meta,
body.dark-mode .speaking-event,
body.dark-mode .impact-card p,
body.dark-mode .media-card p,
body.dark-mode .media-download-box p,
body.dark-mode .info-card p,
body.dark-mode .paper-abstract p,
body.dark-mode .research-item-excerpt,
body.dark-mode .impact-full-card p,
body.dark-mode .credentials-box h4,
body.dark-mode .about-card h4 {
    color: var(--color-text-muted);
}

body.dark-mode .logo-name,
body.dark-mode .logo-tagline,
body.dark-mode .topbar-tagline,
body.dark-mode .topbar-social a,
body.dark-mode .speaking-empty p,
body.dark-mode .research-empty p {
    color: var(--color-text-muted);
}

body.dark-mode .logo a:hover .logo-name {
    color: var(--color-accent);
}

/* ============================================= */
/* DARK MODE - List Items & Borders */
/* ============================================= */
body.dark-mode .credentials-box ul li,
body.dark-mode .about-card ul li,
body.dark-mode .about-list li,
body.dark-mode .architecture-children li,
body.dark-mode .research-secondary-item,
body.dark-mode .speaking-item,
body.dark-mode .speaking-item-date,
body.dark-mode .impact-full-card ul li,
body.dark-mode .press-item {
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

body.dark-mode .credentials-box ul li:hover,
body.dark-mode .architecture-children li:hover {
    color: var(--color-accent);
}

body.dark-mode .architecture-parent {
    border-bottom-color: var(--color-accent);
}

body.dark-mode .paper-abstract {
    background: var(--color-surface-alt);
    border-left-color: var(--color-accent);
}

body.dark-mode .tag {
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
}

body.dark-mode .filter-btn {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-muted);
}

body.dark-mode .filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

body.dark-mode .filter-btn.active {
    background: var(--color-accent);
    color: #FFFFFF;
}

body.dark-mode .subcategory-link {
    border-color: var(--color-border);
    color: var(--color-text-muted);
}

body.dark-mode .subcategory-link:hover {
    background: var(--color-accent);
    color: #FFFFFF;
}

/* ============================================= */
/* DARK MODE - Footer */
/* ============================================= */
body.dark-mode .site-footer {
    background: #0F172A;
}

body.dark-mode .footer-col h4 {
    color: #FFFFFF;
}

body.dark-mode .footer-col p {
    color: #94A3B8;
}

body.dark-mode .footer-links a {
    color: #94A3B8;
}

body.dark-mode .footer-links a:hover {
    color: #FFFFFF;
}

body.dark-mode .social-links a {
    background: rgba(255,255,255,0.04);
    color: #94A3B8;
}

body.dark-mode .social-links a:hover {
    background: var(--color-accent);
    color: #FFFFFF;
}

body.dark-mode .newsletter-form input[type="email"] {
    background: #0F172A;
    border-color: #334155;
    color: #F1F5F9;
}

body.dark-mode .newsletter-form input[type="email"]:focus {
    border-color: var(--color-accent);
}

body.dark-mode .footer-bottom {
    color: #64748B;
}

/* ============================================= */
/* DARK MODE - Navigation & Dropdowns */
/* ============================================= */
body.dark-mode .nav-list > li > a {
    color: #94A3B8;
}

body.dark-mode .nav-list > li > a:hover,
body.dark-mode .nav-list > li > a.active {
    color: var(--color-accent);
}

body.dark-mode .nav-list > li > a::after {
    background: var(--color-accent);
}

body.dark-mode .dropdown-content {
    background: #1E293B;
    border-color: #334155;
}

body.dark-mode .dropdown-content > li > a {
    color: #94A3B8;
}

body.dark-mode .dropdown-content > li > a:hover {
    background: #0F172A;
    color: var(--color-accent);
    border-left-color: var(--color-accent);
}

body.dark-mode .dropdown-submenu {
    background: #1E293B;
    border-color: #334155;
}

body.dark-mode .dropdown-submenu li a {
    color: #94A3B8;
}

body.dark-mode .dropdown-submenu li a:hover {
    background: #0F172A;
    color: var(--color-accent);
}

body.dark-mode .dark-toggle-nav {
    color: #94A3B8;
}

body.dark-mode .dark-toggle-nav:hover {
    color: var(--color-accent);
}

body.dark-mode .dark-toggle-item {
    border-left-color: #334155;
}

body.dark-mode .mobile-menu-toggle .hamburger span {
    background: #94A3B8;
}

body.dark-mode .mobile-menu-toggle:hover {
    background: #0F172A;
}

body.dark-mode .nav-list.show {
    background: #1E293B;
    border-top-color: #334155;
}

/* ============================================= */
/* DARK MODE - Buttons */
/* ============================================= */
body.dark-mode .btn-primary {
    background: var(--color-accent);
    color: #FFFFFF !important;
}

body.dark-mode .btn-primary:hover {
    background: var(--color-accent-dark);
}

body.dark-mode .btn-secondary {
    border-color: var(--color-accent);
    color: var(--color-accent) !important;
}

body.dark-mode .btn-secondary:hover {
    background: var(--color-accent);
    color: #FFFFFF !important;
}

body.dark-mode .btn-outline {
    border-color: #334155;
    color: #94A3B8;
}

body.dark-mode .btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

body.dark-mode .nav-cta > a {
    background: var(--color-accent);
    color: #FFFFFF !important;
}

body.dark-mode .nav-cta > a:hover {
    background: var(--color-accent-dark);
}

/* ============================================= */
/* DARK MODE - Back to Top */
/* ============================================= */
body.dark-mode .back-to-top {
    background: var(--color-accent);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

body.dark-mode .back-to-top:hover {
    background: var(--color-accent-dark);
}

/* ============================================= */
/* TOP BAR */
/* ============================================= */
.topbar {
    background: #1E293B;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-tagline {
    font-family: var(--font-sans);
    font-size: 11px;
    letter-spacing: 0.4px;
    color: #94A3B8;
    font-weight: 400;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-social {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topbar-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius);
    color: #94A3B8;
    font-size: 13px;
    transition: all 0.3s var(--ease-spring);
}

.topbar-social a:hover {
    color: #FFFFFF;
    transform: translateY(-2px) scale(1.05);
}

.topbar-divider {
    width: 1px;
    height: 16px;
    background: rgba(255,255,255,0.10);
}

/* ============================================= */
/* SITE HEADER */
/* ============================================= */
.site-header {
    background: var(--color-surface);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.05);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text);
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50px;
    background: var(--color-accent);
    color: #FFFFFF;
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 700;
    flex-shrink: 0;
    transition: all 0.4s var(--ease-spring);
}

.logo a:hover .logo-mark {
    transform: rotate(-8deg) scale(1.06);
    border-radius: 40% 5px 40% 5px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.logo-name {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.2px;
    transition: color 0.25s ease, letter-spacing 0.3s ease;
}

.logo a:hover .logo-name {
    color: var(--color-accent);
    letter-spacing: 0.2px;
}

.logo-tagline {
    font-family: var(--font-sans);
    font-size: 10.5px;
    font-weight: 500;
    color: var(--color-text-faint);
}

@media (max-width: 480px) {
    .logo-tagline {
        display: none;
    }
}

/* ============================================= */
/* NAVIGATION */
/* ============================================= */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2px;
}

.nav-list > li > a {
    position: relative;
    display: block;
    padding: 6px 16px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius);
    transition: color 0.2s ease;
}

.nav-list > li > a::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s var(--ease-standard);
}

.nav-list > li > a:hover {
    color: var(--color-accent);
}

.nav-list > li > a:hover::after,
.nav-list > li > a.active::after {
    transform: scaleX(1);
}

.nav-list > li > a.active {
    color: var(--color-accent);
}

.link-underline {
    position: relative;
    display: inline-block;
    color: inherit;
}

.link-underline::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 1.5px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s var(--ease-standard);
}

.link-underline:hover {
    color: var(--color-accent);
}

.link-underline:hover::after {
    transform: scaleX(1);
}

.nav-dropdown > a i {
    font-size: 9px;
    margin-left: 4px;
    color: var(--color-text-faint);
    transition: transform 0.25s ease;
}

.nav-dropdown:hover > a i {
    transform: rotate(180deg);
}

.dropdown-content {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-surface);
    min-width: 240px;
    padding: 6px 0;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.10);
    border-radius: var(--radius-lg);
    list-style: none;
    z-index: 100;
    border: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.22s ease, transform 0.22s var(--ease-standard), visibility 0.22s;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content > li {
    position: relative;
}

.dropdown-content > li > a {
    display: block;
    padding: 8px 18px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
}

.dropdown-content > li > a:hover {
    background: var(--color-surface-alt);
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    padding-left: 22px;
}

.dropdown-submenu {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    background: var(--color-surface);
    min-width: 220px;
    padding: 6px 0;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.10);
    border-radius: var(--radius-lg);
    list-style: none;
    border: 1px solid var(--color-border);
}

.dropdown-content > li:hover .dropdown-submenu {
    display: block;
}

.dropdown-submenu li a {
    display: block;
    padding: 6px 18px;
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-text-muted);
    transition: all 0.2s ease;
}

.dropdown-submenu li a:hover {
    background: var(--color-surface-alt);
    color: var(--color-accent);
    padding-left: 22px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: var(--radius);
    transition: background 0.2s ease;
}

.mobile-menu-toggle:hover {
    background: var(--color-surface-alt);
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 20px;
    height: 16px;
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s var(--ease-standard), opacity 0.3s ease;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.nav-cta {
    margin-left: 4px;
}

.nav-cta > a {
    padding: 7px 18px !important;
    background: var(--color-accent);
    color: #FFFFFF !important;
    border-radius: var(--radius);
    font-weight: 600;
}

.nav-cta > a::after {
    display: none;
}

.nav-cta > a:hover {
    background: var(--color-accent-dark);
    color: #FFFFFF !important;
}

@media (max-width: 768px) {
    .nav-cta {
        margin-left: 0;
    }

    .nav-cta > a {
        display: inline-block;
        margin: 4px 20px;
    }
}

.dark-toggle-item {
    margin-left: 4px;
    padding-left: 8px;
    border-left: 1px solid var(--color-border-strong);
}

.dark-toggle-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius);
    font-size: 16px;
    transition: all 0.3s var(--ease-spring);
}

.dark-toggle-nav:hover {
    color: var(--color-accent);
    transform: rotate(8deg) scale(1.05);
}

.dark-toggle-nav i {
    transition: transform 0.5s var(--ease-spring);
}

.dark-toggle-nav:hover i {
    transform: rotate(25deg);
}

.dark-toggle-nav .toggle-label {
    display: none;
}

/* ============================================= */
/* BUTTONS */
/* ============================================= */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 28px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 13px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    letter-spacing: 0.1px;
    text-align: center;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.25s var(--ease-spring), box-shadow 0.25s ease;
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(115deg, transparent 0%, rgba(255,255,255,0.25) 45%, transparent 60%);
    transform: translateX(-120%);
    transition: transform 0.55s var(--ease-standard);
}

.btn:hover::before {
    transform: translateX(120%);
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--color-accent);
    color: #FFFFFF;
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    color: #FFFFFF;
    box-shadow: 0 8px 20px rgba(140, 58, 58, 0.28);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1.5px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-secondary:hover {
    background: var(--color-accent);
    color: #FFFFFF;
    box-shadow: 0 8px 20px rgba(140, 58, 58, 0.20);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 6px 18px;
    font-size: 12px;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border-strong);
    color: var(--color-text);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 40px;
    font-size: 15px;
}

.link-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
}

.link-cta i {
    font-size: 11px;
    transition: transform 0.25s var(--ease-standard);
}

.link-cta:hover {
    color: var(--color-accent-dark);
}

.link-cta:hover i {
    transform: translateX(3px);
}

/* ============================================= */
/* SECTION HEADERS */
/* ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.2px;
}

.section-header p {
    color: var(--color-text-subtle);
    max-width: 640px;
    margin: 8px auto 0;
}

.section-divider {
    width: 50px;
    height: 2px;
    background: var(--color-accent);
    margin: 10px auto 0;
    border-radius: 2px;
    transition: width 0.4s var(--ease-standard);
}

.section-header:hover .section-divider {
    width: 80px;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin-bottom: 10px;
}

/* ============================================= */
/* HERO SECTION */
/* ============================================= */
.hero-section {
    background: var(--color-surface);
    padding: 64px 0 56px;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 56px;
    align-items: start;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.1px;
    color: var(--color-accent);
    margin-bottom: 14px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: -0.4px;
    max-width: 22ch;
}

.hero-title .highlight {
    color: var(--color-accent);
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 400;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 28px;
    max-width: 56ch;
}

.hero-description {
    font-family: var(--font-serif);
    font-size: 15px;
    color: var(--color-text-subtle);
    line-height: 1.8;
    margin-bottom: 20px;
    max-width: 56ch;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-panel {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-surface-alt);
}

.hero-portrait {
    overflow: hidden;
    line-height: 0;
}

.hero-portrait img {
    width: 100%;
    display: block;
    transition: transform 0.6s var(--ease-standard);
}

.hero-panel:hover .hero-portrait img {
    transform: scale(1.03);
}

.credentials-box {
    padding: 20px 22px 22px;
    border-left: none;
    border-top: 3px solid var(--color-accent);
    margin-bottom: 0;
    border-radius: 0;
    background: var(--color-surface-alt);
}

.credentials-box h4 {
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--color-text-subtle);
    margin-bottom: 8px;
}

.credentials-box ul {
    list-style: none;
    padding: 0;
}

.credentials-box ul li {
    padding: 5px 0;
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.6;
    border-bottom: 1px solid var(--color-border);
}

.credentials-box ul li:last-child {
    border-bottom: none;
}

.credentials-box ul li i {
    color: var(--color-accent);
    margin-right: 8px;
    width: 14px;
}

/* ============================================= */
/* FEATURED RESEARCH */
/* ============================================= */
.featured-section {
    padding: 64px 0;
    background: var(--color-surface-alt);
}

.research-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    align-items: stretch;
}

.research-featured {
    position: relative;
    background: var(--color-surface);
    padding: 32px 36px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    transition: all 0.35s var(--ease-standard);
}

.research-featured::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-accent);
}

.research-featured:hover {
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
    transform: translateY(-4px);
}

.research-featured-label {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #FFFFFF;
    background: var(--color-accent);
    display: inline-block;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    width: fit-content;
}

.research-featured-title {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-text);
    margin-bottom: 12px;
}

.research-featured-excerpt {
    font-family: var(--font-serif);
    font-size: 14.5px;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 20px;
    max-width: 60ch;
}

.research-secondary-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.research-secondary-item {
    padding: 18px 22px;
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s ease, padding-left 0.2s var(--ease-standard);
}

.research-secondary-item:last-child {
    border-bottom: none;
}

.research-secondary-item:hover {
    background: var(--color-surface-alt);
    padding-left: 26px;
}

.research-category {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-accent);
    display: inline-block;
    margin-bottom: 6px;
}

.research-secondary-title {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--color-text);
    transition: color 0.25s ease;
}

.research-secondary-item:hover .research-secondary-title {
    color: var(--color-accent);
}

.research-view-all {
    text-align: center;
    margin-top: 32px;
}

.research-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    background: var(--color-surface);
    border: 1px dashed var(--color-border-strong);
    border-radius: var(--radius-lg);
    color: var(--color-text-subtle);
    font-family: var(--font-serif);
    font-size: 14px;
}

.research-empty a {
    color: var(--color-accent);
}

@media (max-width: 900px) {
    .research-layout {
        grid-template-columns: 1fr;
    }
}

/* Legacy card for research listing page */
.research-card {
    position: relative;
    background: var(--color-surface);
    padding: 24px 28px 24px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all 0.35s var(--ease-standard);
}

.research-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-accent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s var(--ease-standard);
}

.research-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
    transform: translateY(-6px);
}

.research-card:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

.research-card:hover .research-category {
    letter-spacing: 1.3px;
}

.research-title {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-text);
    margin-bottom: 8px;
    transition: color 0.25s ease;
}

.research-card:hover .research-title {
    color: var(--color-accent);
}

.research-excerpt {
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 14px;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.research-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    transition: gap 0.3s ease;
}

.research-link:hover {
    gap: 10px;
}

.research-link i {
    font-size: 11px;
    transition: transform 0.3s ease;
}

.research-link:hover i {
    transform: translateX(3px);
}

/* ============================================= */
/* IMPACT SECTION */
/* ============================================= */
.impact-section {
    padding: 64px 0;
    background: var(--color-surface);
}

.impact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.impact-card {
    position: relative;
    background: var(--color-surface-alt);
    padding: 30px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all 0.35s var(--ease-standard);
}

.impact-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.07);
    transform: translateY(-4px);
}

.impact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-size: 16px;
    margin-bottom: 14px;
    transition: background 0.3s ease;
}

.impact-card:hover .impact-icon {
    background: var(--color-accent-soft-strong);
}

.impact-card h3 {
    position: relative;
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.impact-card p {
    position: relative;
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.8;
}

.impact-role {
    position: relative;
    font-family: var(--font-sans);
    font-weight: 600;
    color: var(--color-text-subtle);
    font-size: 12px;
    margin-bottom: 6px;
}

/* ============================================= */
/* SPEAKING SECTION */
/* ============================================= */
.speaking-section {
    padding: 64px 0;
    background: var(--color-surface-alt);
}

.speaking-list {
    max-width: 720px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.speaking-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: transparent;
    padding: 18px 24px;
    margin-bottom: 0;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--color-border);
    overflow: visible;
    transition: background 0.25s ease, padding-left 0.25s var(--ease-standard);
}

.speaking-list .speaking-item:last-child {
    border-bottom: none;
}

.speaking-item:hover {
    background: var(--color-surface-alt);
    padding-left: 28px;
    box-shadow: none;
    transform: none;
}

.speaking-item-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    padding: 6px 4px;
    border-right: 1px solid var(--color-border);
    flex-shrink: 0;
}

.date-month {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-accent);
}

.date-day {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.date-year {
    font-family: var(--font-sans);
    font-size: 9px;
    color: var(--color-text-faint);
}

.speaking-item-content {
    flex: 1;
    padding-top: 2px;
}

.speaking-title {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2px;
}

.speaking-event {
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 2px;
}

.speaking-meta {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-text-subtle);
}

.speaking-meta i {
    margin-right: 4px;
    color: var(--color-text-faint);
}

.speaking-action {
    text-align: center;
    margin-top: 28px;
}

.speaking-empty {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    padding: 40px;
    background: var(--color-surface);
    border: 1px dashed var(--color-border-strong);
    border-radius: var(--radius-lg);
    color: var(--color-text-subtle);
    font-family: var(--font-serif);
}

.speaking-empty a {
    color: var(--color-accent);
}

/* ============================================= */
/* ARCHITECTURE SECTION */
/* ============================================= */
.architecture-section {
    padding: 64px 0;
    background: var(--color-surface);
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
}

.architecture-card {
    background: transparent;
    padding: 28px 30px;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    transition: background 0.3s var(--ease-standard);
}

.architecture-card:hover {
    background: var(--color-surface-alt);
    box-shadow: none;
    transform: none;
}

.architecture-parent {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 10px;
    margin-bottom: 14px;
    display: inline-block;
}

.architecture-parent i {
    margin-right: 6px;
    color: var(--color-accent);
}

.architecture-children {
    list-style: none;
    padding: 0;
}

.architecture-children li {
    padding: 5px 0;
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.2s var(--ease-standard);
}

.architecture-children li:last-child {
    border-bottom: none;
}

.architecture-children li:hover {
    color: var(--color-accent);
    padding-left: 6px;
}

.architecture-children li i {
    font-size: 10px;
    color: var(--color-accent);
    opacity: 0.4;
    margin-right: 6px;
}

.architecture-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--color-text-subtle);
    font-family: var(--font-serif);
}

.architecture-empty a {
    color: var(--color-accent);
}

@media (max-width: 900px) {
    .architecture-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .architecture-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================= */
/* PAGE SECTION - Shared styles */
/* ============================================= */
.page-section {
    padding: 56px 0;
    min-height: 60vh;
    background: var(--color-surface);
}

.page-header {
    text-align: center;
    margin-bottom: 48px;
}

.page-header h1 {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-family: var(--font-serif);
    font-size: 17px;
    color: var(--color-text-subtle);
    max-width: 640px;
    margin: 12px auto 0;
    line-height: 1.7;
}

/* ============================================= */
/* ABOUT PAGE */
/* ============================================= */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-content h2 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.about-content h3 {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-accent);
    margin: 24px 0 8px;
}

.about-content p {
    font-family: var(--font-serif);
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 12px;
}

.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    padding: 6px 0;
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.6;
    border-bottom: 1px solid var(--color-border);
}

.about-list li:last-child {
    border-bottom: none;
}

.about-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.about-image img {
    width: 100%;
    display: block;
}

.about-card {
    background: var(--color-surface-alt);
    padding: 20px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.about-card h4 {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--color-text-subtle);
    margin-bottom: 8px;
}

.about-card ul {
    list-style: none;
    padding: 0;
}

.about-card ul li {
    padding: 4px 0;
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.6;
    border-bottom: 1px solid var(--color-border);
}

.about-card ul li:last-child {
    border-bottom: none;
}

/* ============================================= */
/* RESEARCH FILTERS & LIST */
/* ============================================= */
.research-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 32px;
}

.filter-btn {
    display: inline-block;
    padding: 8px 18px;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-subtle);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    transition: all 0.25s ease;
    background: var(--color-surface);
    cursor: pointer;
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-btn.active {
    background: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

.research-list {
    max-width: 800px;
    margin: 0 auto;
}

.research-item {
    background: var(--color-surface);
    padding: 24px 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.research-item:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    transform: translateY(-2px);
}

.research-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 8px;
}

.research-item-category {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--color-accent);
}

.research-item-date {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--color-text-faint);
}

.research-item-featured {
    font-family: var(--font-sans);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: #FFFFFF;
    background: var(--color-accent);
    padding: 1px 10px;
    border-radius: 3px;
}

.research-item-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.research-item-title a {
    color: var(--color-text);
    transition: color 0.25s ease;
}

.research-item-title a:hover {
    color: var(--color-accent);
}

.research-item-excerpt {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 14px;
}

.research-item-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.research-item-downloads,
.research-item-views {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--color-text-faint);
}

.research-category-info {
    text-align: center;
    margin-bottom: 24px;
}

.research-category-info h2 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
}

.research-subcategories {
    margin-top: 8px;
}

.subcategory-label {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-subtle);
    margin-right: 8px;
}

.subcategory-link {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-accent);
    padding: 2px 10px;
    border: 1px solid var(--color-border-strong);
    border-radius: 3px;
    margin: 0 4px;
    transition: all 0.25s ease;
}

.subcategory-link:hover {
    background: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

/* ============================================= */
/* RESEARCH SINGLE */
/* ============================================= */
.paper-header {
    max-width: 800px;
    margin: 0 auto 32px;
}

.paper-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
}

.paper-category {
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--color-accent);
}

.paper-date,
.paper-views {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-text-faint);
}

.paper-title {
    font-family: var(--font-serif);
    font-size: 30px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.35;
    margin-bottom: 16px;
}

.paper-abstract {
    background: var(--color-surface-alt);
    padding: 20px 24px;
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.paper-abstract h3 {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--color-text-subtle);
    margin-bottom: 4px;
}

.paper-abstract p {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.8;
}

.paper-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
}

.tags-label {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-subtle);
}

.tag {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--color-text);
    background: var(--color-surface-alt);
    padding: 2px 12px;
    border-radius: 3px;
}

.paper-pdf {
    max-width: 900px;
    margin: 0 auto;
}

.pdf-viewer {
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 16px;
}

.pdf-viewer iframe {
    display: block;
}

.pdf-download {
    text-align: center;
    padding: 16px 0;
}

.download-count {
    display: block;
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-text-faint);
    margin-top: 8px;
}

.paper-navigation {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

/* ============================================= */
/* IMPACT PAGE */
/* ============================================= */
.impact-full-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.impact-full-card {
    background: var(--color-surface-alt);
    padding: 32px 36px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all 0.35s ease;
}

.impact-full-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
    transform: translateY(-4px);
}

.impact-full-icon {
    font-size: 28px;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.impact-full-card h2 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.impact-full-card .impact-role {
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-subtle);
    margin-bottom: 12px;
}

.impact-full-card p {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 10px;
}

.impact-full-card ul {
    list-style: none;
    padding: 0;
    margin: 10px 0;
}

.impact-full-card ul li {
    padding: 4px 0 4px 24px;
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.7;
    position: relative;
}

.impact-full-card ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ============================================= */
/* MEDIA PAGE */
/* ============================================= */
.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1000px;
    margin: 0 auto 40px;
}

.media-card {
    background: var(--color-surface-alt);
    padding: 28px 24px;
    text-align: center;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all 0.35s ease;
}

.media-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.media-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--color-accent-soft);
    font-size: 20px;
    color: var(--color-accent);
    margin-bottom: 14px;
}

.media-card h3 {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.media-card p {
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text-subtle);
    line-height: 1.7;
}

.media-download {
    max-width: 600px;
    margin: 0 auto 48px;
}

.media-download-box {
    background: var(--color-surface-alt);
    padding: 40px 36px;
    text-align: center;
    border-radius: var(--radius);
    border: 2px dashed var(--color-border-strong);
}

.media-download-icon {
    font-size: 36px;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.media-download-box h3 {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.media-download-box p {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text-subtle);
    margin-bottom: 16px;
}

.media-kit-size {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-text-faint);
    margin-top: 8px;
}

.media-press {
    max-width: 700px;
    margin: 0 auto;
}

.media-press h2 {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 16px;
}

.press-list {
    background: var(--color-surface-alt);
    padding: 16px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.press-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
}

.press-item:last-child {
    border-bottom: none;
}

.press-date {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    color: var(--color-accent);
    min-width: 60px;
}

.press-publication {
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.press-title {
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text-subtle);
}

/* ============================================= */
/* COLLABORATE PAGE */
/* ============================================= */
.collaborate-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.collaborate-form {
    background: var(--color-surface-alt);
    padding: 32px 36px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.collaborate-form h2,
.collaborate-form h3 {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
}

.contact-form .form-group {
    margin-bottom: 16px;
}

.contact-form label {
    display: block;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color 0.25s ease;
    outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-accent);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.collaborate-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    background: var(--color-surface-alt);
    padding: 28px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.info-card h3 {
    font-family: var(--font-sans);
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.info-card p {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.7;
}

.info-card p strong {
    font-weight: 700;
}

.info-card a {
    color: var(--color-accent);
    transition: color 0.25s ease;
}

.info-card a:hover {
    color: var(--color-accent-dark);
}

.calendly-embed {
    margin-top: 12px;
}

/* ============================================= */
/* MESSAGES */
/* ============================================= */
.message-success {
    background: #D1FAE5;
    color: #065F46;
    padding: 14px 20px;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 14px;
    margin-bottom: 16px;
    border: 1px solid #A7F3D0;
}

.message-error {
    background: #FEE2E2;
    color: #991B1B;
    padding: 14px 20px;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 14px;
    margin-bottom: 16px;
    border: 1px solid #FCA5A5;
}

.empty-state {
    text-align: center;
    padding: 40px 0;
}

.empty-state p {
    font-family: var(--font-serif);
    font-size: 16px;
    color: var(--color-text-subtle);
    margin-bottom: 16px;
}

/* ============================================= */
/* SPEAKING PAGE (full listing) */
/* ============================================= */
.speaking-section-block {
    max-width: 800px;
    margin: 0 auto 40px;
}

.section-title {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title-icon {
    font-size: 20px;
    color: var(--color-accent);
}

.speaking-section-block .speaking-item {
    display: flex;
    gap: 20px;
    background: var(--color-surface);
    padding: 20px 24px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    transition: all 0.3s ease;
    align-items: flex-start;
}

.speaking-section-block .speaking-item:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    transform: translateX(4px);
}

.speaking-section-block .speaking-item-date {
    flex-direction: column;
    min-width: 60px;
    padding: 6px 12px;
    background: var(--color-surface-alt);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    flex-shrink: 0;
}

.speaking-description {
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-top: 6px;
}

.speaking-item-status {
    flex-shrink: 0;
    padding-top: 4px;
}

.status-badge {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 3px;
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.status-upcoming {
    background: #D1FAE5;
    color: #065F46;
}

.status-past {
    background: var(--color-border);
    color: var(--color-text-subtle);
}

.speaking-past {
    opacity: 0.8;
}

.speaking-past:hover {
    opacity: 1;
}

.speaking-past-list .speaking-item {
    opacity: 0.8;
}

.speaking-past-list .speaking-item:hover {
    opacity: 1;
}

/* ============================================= */
/* FOOTER */
/* ============================================= */
.site-footer {
    background: #1E293B;
    color: #E2E8F0;
    padding: 40px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr;
    gap: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.footer-col h4 {
    font-family: var(--font-sans);
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.footer-col p {
    font-family: var(--font-serif);
    font-size: 13px;
    color: #94A3B8;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.04);
    color: #94A3B8;
    font-size: 13px;
    transition: all 0.3s var(--ease-spring);
}

.social-links a:hover {
    background: var(--color-accent);
    color: #FFFFFF;
    transform: translateY(-3px) rotate(-6deg);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 6px;
}

.footer-links a {
    position: relative;
    font-family: var(--font-sans);
    color: #94A3B8;
    font-size: 13px;
    transition: all 0.25s var(--ease-standard);
}

.footer-links a:hover {
    color: #FFFFFF;
    padding-left: 6px;
}

.newsletter-form {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.04);
    color: #FFFFFF;
    font-size: 13px;
    font-family: var(--font-sans);
    outline: none;
    transition: all 0.25s ease;
    min-width: 0;
}

.newsletter-form input[type="email"]:focus {
    border-color: var(--color-accent);
    background: rgba(255,255,255,0.07);
}

.newsletter-form input[type="email"]::placeholder {
    color: #64748B;
}

.newsletter-form button {
    padding: 8px 16px;
    background: var(--color-accent);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 12px;
    transition: all 0.25s var(--ease-spring);
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 16px;
    text-align: center;
    font-family: var(--font-sans);
    font-size: 12px;
    color: #64748B;
}

/* ============================================= */
/* FOCUS STATES */
/* ============================================= */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius);
}

/* ============================================= */
/* BACK TO TOP BUTTON */
/* ============================================= */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: var(--color-accent);
    color: #FFFFFF;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(140, 58, 58, 0.3);
    transition: all 0.3s var(--ease-spring);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-accent-dark);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 24px rgba(140, 58, 58, 0.4);
}

.back-to-top:active {
    transform: scale(0.95);
}

@media (max-width: 480px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 16px;
    }
}

/* ============================================= */
/* RESPONSIVE */
/* ============================================= */

@media (max-width: 1024px) {
    .hero-layout {
        grid-template-columns: 1fr 260px;
        gap: 36px;
    }

    .hero-title {
        font-size: 30px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .impact-full-grid {
        grid-template-columns: 1fr;
    }

    .media-grid {
        grid-template-columns: 1fr 1fr;
    }

    .collaborate-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .topbar .container {
        flex-direction: column;
        gap: 2px;
        text-align: center;
        padding: 4px 16px;
    }

    .topbar-tagline {
        font-size: 10px;
    }

    .topbar-actions {
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-surface);
        padding: 8px 0;
        border-top: 1px solid var(--color-border);
        box-shadow: 0 8px 32px rgba(15, 23, 42, 0.04);
        max-height: 80vh;
        overflow-y: auto;
    }

    .nav-list.show {
        display: flex;
    }

    .nav-list > li > a {
        padding: 10px 20px;
        border-radius: 0;
    }

    .nav-list > li > a::after {
        left: 20px;
        right: 20px;
    }

    .dropdown-content {
        position: static;
        box-shadow: none;
        padding-left: 20px;
        border: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .nav-dropdown.active .dropdown-content {
        display: block;
    }

    .dropdown-submenu {
        position: static;
        box-shadow: none;
        padding-left: 16px;
        border: none;
        display: none;
    }

    .dropdown-content > li:hover .dropdown-submenu {
        display: none;
    }

    .dropdown-content > li.active .dropdown-submenu {
        display: block;
    }

    .dark-toggle-item {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding: 4px 20px;
        width: 100%;
    }

    .dark-toggle-nav {
        padding: 4px 0;
        justify-content: flex-start;
        width: 100%;
    }

    .dark-toggle-nav .toggle-label {
        display: inline;
        margin-left: 8px;
        font-size: 13px;
        font-weight: 500;
    }

    .nav-cta {
        margin-left: 0;
        padding: 4px 20px;
        width: 100%;
    }

    .nav-cta > a {
        display: inline-block;
        margin: 4px 0;
        text-align: center;
        width: 100%;
    }

    .hero-section {
        padding: 40px 0 32px;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        gap: 28px;
        text-align: center;
    }

    .hero-title {
        font-size: 26px;
        max-width: none;
    }

    .hero-subtitle {
        font-size: 15px;
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-description {
        font-size: 14px;
        max-width: none;
        text-align: left;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-panel {
        max-width: 320px;
        margin: 0 auto;
    }

    .credentials-box {
        text-align: left;
    }

    .impact-grid {
        grid-template-columns: 1fr;
    }

    .research-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form button {
        width: 100%;
        justify-content: center;
    }

    .speaking-item {
        padding: 16px 18px;
    }

    .speaking-item:hover {
        padding-left: 20px;
    }

    .page-section {
        padding: 40px 0;
    }

    .page-header h1 {
        font-size: 28px;
    }

    .page-subtitle {
        font-size: 15px;
    }

    .research-filters {
        gap: 4px;
    }

    .filter-btn {
        font-size: 11px;
        padding: 6px 14px;
    }

    .research-item {
        padding: 18px 20px;
    }

    .research-item-title {
        font-size: 16px;
    }

    .paper-title {
        font-size: 24px;
    }

    .media-grid {
        grid-template-columns: 1fr;
    }

    .speaking-section-block .speaking-item {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .speaking-section-block .speaking-item-date {
        flex-direction: row;
        min-width: auto;
        padding: 4px 16px;
        gap: 8px;
        justify-content: center;
    }

    .date-day {
        font-size: 18px;
    }

    .impact-full-card {
        padding: 24px 20px;
    }

    .collaborate-form {
        padding: 24px 20px;
    }

    .media-download-box {
        padding: 28px 20px;
    }

    .press-item {
        flex-wrap: wrap;
        gap: 4px;
    }

    .social-links {
        justify-content: center;
    }

    .footer-col {
        text-align: center;
    }

    .footer-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px 16px;
    }

    .footer-links li {
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 22px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .research-card {
        padding: 20px;
    }

    .research-featured {
        padding: 24px 22px;
    }

    .research-secondary-item {
        padding: 16px 18px;
    }

    .impact-card {
        padding: 22px 20px;
    }

    .speaking-item {
        flex-direction: column;
        gap: 10px;
    }

    .speaking-item-date {
        flex-direction: row;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 8px;
        gap: 6px;
        min-width: auto;
    }

    .logo-tagline {
        display: none;
    }

    .page-header h1 {
        font-size: 24px;
    }

    .research-item-meta {
        flex-direction: column;
        gap: 4px;
    }

    .research-item-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .about-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .pdf-viewer iframe {
        height: 400px;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 13px;
        width: 100%;
        text-align: center;
    }
}
/* Language Switcher in Navigation */
.lang-switcher-item {
    margin-left: 4px;
    padding-left: 8px;
    border-left: 1px solid var(--color-border-strong);
    display: flex;
    align-items: center;
}

@media (max-width: 768px) {
    .lang-switcher-item {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding: 4px 20px;
        width: 100%;
    }
    
    .language-switcher {
        width: 100%;
    }
    
    .lang-toggle {
        width: 100%;
        justify-content: flex-start;
    }
    
    .lang-dropdown {
        right: 0;
        left: 0;
        width: 100%;
    }
}
/* =============================================
   WAMBUI RESEARCH - ENTERPRISE ADMIN UI (v5)
   Professional · Refined · 5px Radius System
   Maroon Theme · Fully Responsive
   ============================================= */

/* =============================================
   ROOT VARIABLES
   ============================================= */

:root {
    /* --- Brand Colors --- */
    --primary: #8C3A3A;
    --primary-dark: #6E2D2D;
    --primary-darker: #562323;
    --primary-light: #C97D7D;
    --primary-tint: #FEF2F2;
    --primary-gradient: linear-gradient(135deg, #8C3A3A 0%, #6E2D2D 100%);

    /* --- Secondary / Neutral --- */
    --secondary: #475569;
    --secondary-dark: #334155;
    --secondary-tint: #F1F5F9;

    /* --- Semantic States --- */
    --success: #059669;
    --success-dark: #047857;
    --success-tint: #ECFDF5;

    --warning: #D97706;
    --warning-dark: #B45309;
    --warning-tint: #FFFBEB;

    --danger: #DC2626;
    --danger-dark: #991B1B;
    --danger-tint: #FEF2F2;

    --info: #2563EB;
    --info-dark: #1D4ED8;
    --info-tint: #EFF6FF;

    /* --- Disabled States --- */
    --disabled-bg: #F1F5F9;
    --disabled-text: #A8B4C0;
    --disabled-border: #E2E8F0;

    /* --- Text & Neutrals --- */
    --ink: #1E293B;
    --muted: #64748B;
    --faint: #94A3B8;
    --border: #E8EDF2;
    --border-soft: #F1F5F9;
    --surface: #FFFFFF;
    --surface-alt: #FAFBFC;

    /* --- Radius System (5px default) --- */
    --radius: 5px;
    --radius-lg: 10px;
    --radius-xl: 16px;

    /* --- Elevation --- */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
    --shadow-xl: 0 32px 80px rgba(15, 23, 42, 0.16);

    /* --- Motion --- */
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);

    /* --- Layout --- */
    --sidebar-width: 248px;
    --sidebar-width-mobile: 280px;
    --topbar-height: 60px;

    /* --- Typography --- */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Merriweather', Georgia, 'Times New Roman', serif;
}

/* =============================================
   RESET & BASE
   ============================================= */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--surface-alt);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =============================================
   ACCESSIBILITY - FOCUS STATES
   ============================================= */

.admin-shell a:focus-visible,
.admin-shell button:focus-visible,
.admin-shell input:focus-visible,
.admin-shell select:focus-visible,
.admin-shell textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: calc(var(--radius) - 1px);
}

/* =============================================
   SHELL LAYOUT
   ============================================= */

.admin-shell {
    display: flex;
    align-items: flex-start;
    min-height: 100vh;
    background: var(--surface-alt);
    position: relative;
    overflow-x: hidden;
}

/* =============================================
   SIDEBAR
   ============================================= */

.admin-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 60;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform 0.3s var(--ease-smooth);
    -webkit-overflow-scrolling: touch;
}

/* --- Sidebar Brand --- */
.admin-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 18px 16px;
    border-bottom: 1px solid var(--border-soft);
    flex-shrink: 0;
}

.admin-brand-mark {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    background: var(--primary-gradient);
    color: #FFFFFF;
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(140, 58, 58, 0.25);
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-spring);
}

.admin-brand-mark:hover {
    transform: rotate(-4deg) scale(1.05);
    box-shadow: 0 6px 20px rgba(140, 58, 58, 0.35);
}

.admin-sidebar-brand-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.admin-brand-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-brand-sub {
    font-size: 11px;
    font-weight: 500;
    color: var(--faint);
}

.admin-sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--faint);
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
    transition: color 0.2s ease;
}

.admin-sidebar-close:hover {
    color: var(--ink);
}

/* --- Navigation --- */
.admin-nav {
    flex: 1;
    overflow-y: auto;
    padding: 14px 12px;
    -webkit-overflow-scrolling: touch;
}

.admin-nav-group {
    margin-bottom: 18px;
}

.admin-nav-group:last-child {
    margin-bottom: 0;
}

.admin-nav-group-label {
    display: block;
    font-size: 10.5px;
    font-weight: 700;
    color: var(--faint);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 0 10px 8px;
}

.admin-tab {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 9px 10px;
    margin-bottom: 2px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--muted);
    border: none;
    background: transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
    text-align: left;
    position: relative;
}

.admin-tab i {
    width: 16px;
    text-align: center;
    font-size: 14px;
    color: var(--faint);
    flex-shrink: 0;
    transition: color 0.15s ease;
}

.admin-tab span {
    flex: 1;
    min-width: 0;
}

.admin-tab:hover {
    color: var(--ink);
    background: var(--surface-alt);
}

.admin-tab:hover i {
    color: var(--muted);
}

.admin-tab.active {
    color: var(--primary);
    background: var(--primary-tint);
    font-weight: 600;
}

.admin-tab.active i {
    color: var(--primary);
}

.admin-tab.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
}

.nav-badge {
    background: var(--danger);
    color: #FFFFFF;
    font-size: 10px;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* --- Sidebar Footer --- */
.admin-sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}

.admin-sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    text-decoration: none;
    border-radius: var(--radius);
    transition: background 0.15s ease, color 0.15s ease;
}

.admin-sidebar-link:hover {
    background: var(--surface-alt);
    color: var(--ink);
}

.admin-sidebar-link i {
    width: 15px;
    text-align: center;
    color: var(--faint);
}

.admin-sidebar-link-danger,
.admin-sidebar-link-danger i {
    color: var(--danger);
}

.admin-sidebar-link-danger:hover {
    background: var(--danger-tint);
}

/* --- Sidebar Backdrop --- */
.admin-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 55;
    opacity: 0;
    transition: opacity 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

.admin-sidebar-backdrop.show {
    display: block;
    opacity: 1;
}

/* =============================================
   SIDEBAR SCROLLBAR
   ============================================= */

.admin-sidebar::-webkit-scrollbar {
    width: 4px;
}

.admin-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.admin-sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.admin-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--muted);
}

/* =============================================
   MAIN COLUMN
   ============================================= */

.admin-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
}

/* =============================================
   TOP HEADER
   ============================================= */

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    min-height: var(--topbar-height);
}

.admin-topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1;
}

.admin-sidebar-toggle {
    display: none;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--ink);
    font-size: 15px;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.admin-sidebar-toggle:hover {
    background: var(--primary-tint);
    border-color: var(--primary-light);
    color: var(--primary);
}

.admin-heading {
    min-width: 0;
}

.admin-breadcrumb {
    font-size: 11px;
    font-weight: 600;
    color: var(--faint);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 2px;
}

.admin-breadcrumb i {
    font-size: 8px;
}

.admin-breadcrumb span {
    color: var(--muted);
}

.admin-page-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

.admin-badge {
    font-size: 10px;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--primary-gradient);
    padding: 3px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.admin-topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* =============================================
   USER DROPDOWN
   ============================================= */

.admin-user-dropdown {
    position: relative;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px 5px 5px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    transition: background 0.2s var(--ease-smooth), border-color 0.2s var(--ease-smooth);
    border: 1px solid transparent;
    white-space: nowrap;
}

.admin-user:hover {
    background: var(--surface-alt);
    border-color: var(--border);
}

.admin-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.admin-user i:last-child {
    color: var(--faint);
    font-size: 10px;
    margin-left: 2px;
    transition: transform 0.2s var(--ease-smooth);
}

.admin-user-dropdown:hover .admin-user i:last-child {
    transform: rotate(180deg);
}

.admin-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 190px;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(0.98);
    transform-origin: top right;
    transition: opacity 0.2s var(--ease-smooth), transform 0.2s var(--ease-smooth), visibility 0.2s;
    z-index: 100;
}

.admin-user-dropdown:hover .admin-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.admin-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
    transition: background 0.15s ease;
}

.admin-dropdown-menu a:hover {
    background: var(--surface-alt);
}

.admin-dropdown-menu a i {
    width: 16px;
    color: var(--faint);
    font-size: 13px;
}

.admin-dropdown-menu .divider {
    height: 1px;
    background: var(--border-soft);
    margin: 5px 6px;
}

.admin-dropdown-menu a.logout,
.admin-dropdown-menu a.logout i {
    color: var(--danger);
}

.admin-dropdown-menu a.logout:hover {
    background: var(--danger-tint);
}

/* =============================================
   CONTENT AREA
   ============================================= */

.admin-content {
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 24px 48px;
}

/* =============================================
   STATS GRID
   ============================================= */

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.admin-stat-card {
    background: var(--surface);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-smooth), border-color 0.3s var(--ease-smooth);
    position: relative;
    cursor: default;
    overflow: hidden;
}

.admin-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease-smooth);
}

.admin-stat-card:hover::before {
    transform: scaleX(1);
}

.admin-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: #DCE3EB;
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    flex-shrink: 0;
    transition: transform 0.3s var(--ease-spring);
}

.admin-stat-card:hover .stat-icon {
    transform: scale(1.08) rotate(-3deg);
}

.stat-papers .stat-icon {
    background: #EEF2FF;
    color: #4F46E5;
}

.stat-speaking .stat-icon {
    background: #FDF2F8;
    color: #DB2777;
}

.stat-categories .stat-icon {
    background: var(--success-tint);
    color: var(--success);
}

.stat-subscribers .stat-icon {
    background: var(--warning-tint);
    color: var(--warning);
}

.stat-messages .stat-icon {
    background: #F5F3FF;
    color: #7C3AED;
}

.stat-views .stat-icon {
    background: var(--info-tint);
    color: var(--info);
}

.stat-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-top: 2px;
}

.stat-number {
    font-size: 23px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.15;
    letter-spacing: -0.5px;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--faint);
}

.stat-trend {
    flex-shrink: 0;
    align-self: flex-start;
    margin-top: 3px;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.stat-trend.up {
    color: var(--success);
    background: var(--success-tint);
}

.stat-trend.down {
    color: var(--danger);
    background: var(--danger-tint);
}

.stat-trend.neutral {
    color: var(--faint);
    background: var(--border-soft);
}

.stat-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--danger);
    color: #FFFFFF;
    font-size: 10px;
    font-weight: 700;
    min-width: 22px;
    height: 22px;
    padding: 0 5px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.35);
}

.has-messages {
    border-color: rgba(124, 58, 237, 0.35);
}

.has-messages .stat-trend {
    display: none;
}

/* =============================================
   ANIMATIONS
   ============================================= */

.animate-up {
    animation: statIn 0.55s var(--ease-smooth) both;
}

.admin-stat-card:nth-child(1) {
    animation-delay: 0.02s;
}

.admin-stat-card:nth-child(2) {
    animation-delay: 0.07s;
}

.admin-stat-card:nth-child(3) {
    animation-delay: 0.12s;
}

.admin-stat-card:nth-child(4) {
    animation-delay: 0.17s;
}

.admin-stat-card:nth-child(5) {
    animation-delay: 0.22s;
}

.admin-stat-card:nth-child(6) {
    animation-delay: 0.27s;
}

@keyframes statIn {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade {
    animation: fadeIn 0.4s var(--ease-smooth) both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.12);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* =============================================
   TAB CONTENT
   ============================================= */

.admin-tab-content {
    display: none;
}

.admin-tab-content.active {
    display: block;
}

/* =============================================
   ADMIN CARD
   ============================================= */

.admin-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 24px;
    transition: border-color 0.3s ease;
}

.admin-card:hover {
    border-color: #DCE3EB;
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-soft);
    background: var(--surface-alt);
}

.admin-card-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 9px;
}

.admin-card-header h3 i {
    color: var(--primary);
    font-size: 16px;
}

.admin-card-header p {
    font-size: 13px;
    color: var(--faint);
    margin: 0;
}

.card-badge {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    background: var(--border-soft);
    padding: 5px 14px;
    border-radius: 20px;
    white-space: nowrap;
}

.admin-card-body {
    padding: 24px;
}

/* =============================================
   FORM SECTIONS
   ============================================= */

.form-section {
    margin-bottom: 26px;
    padding-bottom: 26px;
    border-bottom: 1px solid var(--border-soft);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 9px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-section h4 i {
    width: 16px;
    color: var(--primary);
    font-size: 14px;
}

.form-section-sub {
    background: var(--surface-alt);
    padding: 18px 20px;
    border-radius: var(--radius);
    margin-top: 14px;
    border: 1px solid var(--border-soft);
}

.form-section-sub h5 {
    font-size: 12px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-section-sub h5:not(:first-child) {
    margin-top: 18px;
}

.form-section-sub h5 i {
    color: var(--primary);
    font-size: 12px;
}

/* =============================================
   ADMIN FORM
   ============================================= */

.admin-edit-form,
.admin-add-form {
    margin-bottom: 4px;
}

.admin-edit-form h4,
.admin-add-form h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-edit-form h4 i,
.admin-add-form h4 i {
    color: var(--primary);
}

.admin-form .form-group {
    margin-bottom: 16px;
}

.admin-form .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.admin-form label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

.admin-form label .required {
    color: var(--danger);
    margin-left: 2px;
}

.admin-form input[type="text"],
.admin-form input[type="email"],
.admin-form input[type="password"],
.admin-form input[type="date"],
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--ink);
    background: var(--surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(140, 58, 58, 0.08);
}

.admin-form input:disabled,
.admin-form select:disabled,
.admin-form textarea:disabled {
    background: var(--disabled-bg);
    color: var(--disabled-text);
    border-color: var(--disabled-border);
    cursor: not-allowed;
}

.admin-form input::placeholder,
.admin-form textarea::placeholder {
    color: #A8B4C0;
}

.admin-form input[type="file"] {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px dashed var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    background: var(--surface-alt);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.admin-form input[type="file"]:hover {
    border-color: var(--primary);
    background: var(--primary-tint);
}

.admin-form textarea {
    resize: vertical;
    min-height: 84px;
    line-height: 1.5;
}

.admin-form small {
    display: block;
    font-size: 11px;
    color: var(--faint);
    margin-top: 5px;
    line-height: 1.5;
}

.admin-form label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    cursor: pointer;
}

.admin-form input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* =============================================
   ADMIN BUTTONS
   ============================================= */

.btn-admin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-smooth), background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-admin:active {
    transform: scale(0.97);
}

.btn-admin:disabled,
.btn-admin.is-loading {
    opacity: 0.65;
    cursor: not-allowed;
    pointer-events: none;
    transform: none !important;
    box-shadow: none !important;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #FFFFFF;
    box-shadow: 0 3px 10px rgba(140, 58, 58, 0.22);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(140, 58, 58, 0.3);
}

.btn-large {
    padding: 13px 32px;
    font-size: 14px;
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
    color: #FFFFFF;
    box-shadow: 0 3px 10px rgba(5, 150, 105, 0.22);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(5, 150, 105, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning-dark) 100%);
    color: #FFFFFF;
    box-shadow: 0 3px 10px rgba(217, 119, 6, 0.22);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(217, 119, 6, 0.3);
}

.btn-secondary {
    background: var(--border-soft);
    color: var(--ink);
}

.btn-secondary:hover {
    background: var(--border);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--ink);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-tint);
}

.btn-danger {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--danger);
}

.btn-danger:hover {
    border-color: var(--danger);
    background: var(--danger-tint);
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 8px 12px;
}

.btn-ghost:hover {
    background: var(--surface-alt);
    color: var(--ink);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
}

.btn-sm i {
    font-size: 11px;
}

.btn-admin .spinner {
    width: 13px;
    height: 13px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* =============================================
   FORM ACTIONS
   ============================================= */

.form-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--border-soft);
}

.form-hint {
    font-size: 12px;
    color: var(--faint);
}

/* =============================================
   TABLE TOOLBAR / SEARCH
   ============================================= */

.admin-table-toolbar {
    display: flex;
    justify-content: flex-end;
    margin-top: 20px;
}

.admin-table-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    max-width: 260px;
    width: 100%;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.admin-table-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(140, 58, 58, 0.08);
}

.admin-table-search i {
    color: var(--faint);
    font-size: 12px;
}

.admin-table-search input {
    border: none;
    outline: none;
    padding: 9px 0;
    font-size: 13px;
    font-family: var(--font-sans);
    color: var(--ink);
    width: 100%;
    background: transparent;
}

/* =============================================
   ADMIN TABLE
   ============================================= */

.admin-table-wrap {
    overflow-x: auto;
    margin-top: 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
    -webkit-overflow-scrolling: touch;
}

.admin-table {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
    font-size: 13px;
}

.admin-table thead {
    background: var(--surface-alt);
}

.admin-table th {
    text-align: left;
    padding: 12px 16px;
    font-weight: 700;
    color: var(--ink);
    border-bottom: 1px solid var(--border-soft);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.admin-table td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border-soft);
    color: var(--ink);
    vertical-align: middle;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tr:hover {
    background: var(--surface-alt);
}

.admin-table code {
    background: var(--border-soft);
    padding: 3px 9px;
    border-radius: 4px;
    font-size: 11.5px;
}

.admin-table td:last-child {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* =============================================
   STATUS BADGES
   ============================================= */

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

.status-upcoming {
    background: var(--success-tint);
    color: #065F46;
}

.status-past {
    background: var(--border-soft);
    color: var(--muted);
}

.status-active {
    background: var(--info-tint);
    color: var(--info-dark);
}

.status-unread {
    background: var(--danger-tint);
    color: var(--danger-dark);
}

.status-read {
    background: var(--success-tint);
    color: #065F46;
}

.status-replied {
    background: var(--info-tint);
    color: var(--info-dark);
}

.badge-featured {
    background: var(--warning-tint);
    color: var(--warning-dark);
    padding: 3px 11px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    white-space: nowrap;
}

/* =============================================
   EMPTY STATE
   ============================================= */

.admin-empty-state {
    text-align: center;
    padding: 56px 20px;
}

.admin-empty-state i {
    font-size: 42px;
    color: var(--border);
    margin-bottom: 14px;
    display: block;
}

.admin-empty-state h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 6px;
}

.admin-empty-state p {
    font-size: 13px;
    color: var(--faint);
    max-width: 320px;
    margin: 0 auto;
}

/* =============================================
   SKELETON LOADER
   ============================================= */

.skeleton {
    background: linear-gradient(90deg, var(--border-soft) 25%, var(--border) 37%, var(--border-soft) 63%);
    background-size: 400% 100%;
    animation: skeletonWave 1.4s ease infinite;
    border-radius: var(--radius);
}

@keyframes skeletonWave {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0 50%;
    }
}

/* =============================================
   CURRENT IMAGE / FILE
   ============================================= */

.current-image {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
    padding: 12px 16px;
    background: var(--surface-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
}

.current-image img {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    object-fit: cover;
    flex-shrink: 0;
}

.image-label {
    font-size: 12px;
    color: var(--faint);
}

.current-file {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--surface-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.current-file span {
    font-size: 13px;
    color: var(--ink);
    flex: 1;
    min-width: 120px;
}

.current-image-placeholder {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--surface-alt);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
    margin-bottom: 10px;
}

.current-image-placeholder i {
    font-size: 26px;
    color: #CBD5E1;
}

.current-image-placeholder span {
    font-size: 13px;
    color: var(--faint);
}

/* =============================================
   ADMIN DIVIDER
   ============================================= */

.admin-divider {
    margin: 26px 0;
    border: none;
    border-top: 1px solid var(--border-soft);
}

/* =============================================
   ADMIN TOAST
   ============================================= */

.admin-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 99999;
    padding: 16px 20px 18px;
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    box-shadow: var(--shadow-lg);
    transform: translateX(calc(100% + 32px)) scale(0.96);
    opacity: 0;
    transition: transform 0.5s var(--ease-spring), opacity 0.35s ease;
    max-width: 400px;
    min-width: 300px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-toast.show {
    transform: translateX(0) scale(1);
    opacity: 1;
}

.admin-toast::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 100%;
    background: rgba(255, 255, 255, 0.35);
    transform-origin: left;
    animation: toastTimer 5s linear forwards;
}

@keyframes toastTimer {
    from {
        transform: scaleX(1);
    }
    to {
        transform: scaleX(0);
    }
}

.admin-toast>i:first-child {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
    animation: toastIconPop 0.5s var(--ease-spring) 0.1s both;
}

@keyframes toastIconPop {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.admin-toast span {
    flex: 1;
    padding-top: 5px;
    line-height: 1.4;
}

.admin-toast button {
    background: none;
    border: none;
    font-size: 18px;
    color: inherit;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 0.2s ease;
    padding: 2px 4px;
    flex-shrink: 0;
}

.admin-toast button:hover {
    opacity: 1;
}

.admin-toast.toast-success {
    background: #065F46;
    color: #FFFFFF;
}

.admin-toast.toast-success i:first-child {
    color: #34D399;
}

.admin-toast.toast-error {
    background: var(--danger-dark);
    color: #FFFFFF;
}

.admin-toast.toast-error i:first-child {
    color: #F87171;
}

.admin-toast.toast-warning {
    background: var(--warning-dark);
    color: #FFFFFF;
}

.admin-toast.toast-warning i:first-child {
    color: #FCD34D;
}

.admin-toast.toast-info {
    background: var(--info-dark);
    color: #FFFFFF;
}

.admin-toast.toast-info i:first-child {
    color: #93C5FD;
}

/* =============================================
   ADMIN MODAL
   ============================================= */

.admin-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.admin-modal:not(.hidden) {
    opacity: 1;
}

.admin-modal.hidden {
    display: none;
}

.admin-modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    max-width: 520px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(10px);
    transition: transform 0.3s var(--ease-spring);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.admin-modal:not(.hidden) .admin-modal-content {
    transform: scale(1) translateY(0);
}

.admin-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-soft);
    flex-shrink: 0;
}

.admin-modal-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 0;
}

.admin-modal-header h3 i {
    color: var(--primary);
}

.admin-modal-close {
    background: none;
    border: none;
    font-size: 22px;
    color: var(--faint);
    cursor: pointer;
    transition: color 0.2s ease;
    padding: 4px;
    line-height: 1;
}

.admin-modal-close:hover {
    color: var(--ink);
}

.admin-modal-body {
    padding: 22px;
    overflow-y: auto;
}

.admin-modal-body p {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--ink);
    line-height: 1.8;
    white-space: pre-wrap;
}

.admin-modal-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--border-soft);
    text-align: right;
    background: var(--surface-alt);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    flex-shrink: 0;
}

/* =============================================
   ADMIN LOGIN
   ============================================= */

.admin-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #F8FAFC 0%, #E8EDF2 100%);
    padding: 24px;
}

.admin-login-container {
    width: 100%;
    max-width: 420px;
}

.admin-login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-mark {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: #FFFFFF;
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    margin: 0 auto 14px;
    box-shadow: 0 8px 28px rgba(140, 58, 58, 0.25);
    transition: transform 0.3s var(--ease-spring);
}

.login-logo-mark:hover {
    transform: rotate(-4deg) scale(1.04);
}

.admin-login-brand h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.4px;
}

.admin-login-brand p {
    font-size: 13px;
    color: var(--muted);
    font-weight: 500;
    margin-top: 2px;
}

.admin-login-box {
    background: var(--surface);
    padding: 36px 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 4px;
}

.login-header p {
    font-size: 13px;
    color: var(--faint);
}

.login-form .login-form-group {
    margin-bottom: 18px;
}

.login-form label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

.login-form label i {
    color: var(--primary);
    width: 14px;
    margin-right: 4px;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--ink);
    background: var(--surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.login-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(140, 58, 58, 0.08);
}

.login-form input::placeholder {
    color: #A8B4C0;
}

.login-btn {
    width: 100%;
    padding: 13px 20px;
    background: var(--primary-gradient);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s var(--ease-spring), box-shadow 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    box-shadow: 0 4px 14px rgba(140, 58, 58, 0.22);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(140, 58, 58, 0.32);
}

.login-btn:active {
    transform: scale(0.98);
}

.login-footer {
    text-align: center;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border-soft);
}

.login-footer p {
    font-size: 12px;
    color: var(--faint);
    margin: 0 0 4px;
}

.login-footer a {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
}

.login-footer a:hover {
    color: var(--primary-dark);
}

/* =============================================
   TEMPLATES GRID
   ============================================= */

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.template-card {
    background: var(--surface-alt);
    padding: 26px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
    text-align: center;
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-smooth), border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.template-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--border);
}

.template-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    background: var(--primary-gradient);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
    box-shadow: 0 4px 14px rgba(140, 58, 58, 0.2);
    transition: transform 0.3s var(--ease-spring);
}

.template-card:hover .template-icon {
    transform: scale(1.06) rotate(-3deg);
}

.template-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 6px;
}

.template-card p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
    margin: 0 0 14px;
    flex: 1;
}

.template-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.template-meta span {
    font-size: 10.5px;
    font-weight: 500;
    color: var(--faint);
    background: var(--surface);
    padding: 4px 11px;
    border-radius: 20px;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.template-meta span i {
    font-size: 10px;
    color: var(--primary);
}

.template-card .btn-admin {
    width: 100%;
}

.templates-info {
    background: var(--surface-alt);
    padding: 22px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
}

.templates-info h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 9px;
}

.templates-info h4 i {
    color: var(--primary);
}

.templates-info ol {
    padding-left: 18px;
    margin: 0;
}

.templates-info ol li {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 4px;
}

.templates-info ol li strong {
    color: var(--ink);
}

/* =============================================
   DARK MODE (opt-in via body.dark-mode)
   ============================================= */

body.dark-mode {
    --ink: #F1F5F9;
    --muted: #94A3B8;
    --faint: #94A3B8;
    --border: #334155;
    --border-soft: #334155;
    --surface: #1E293B;
    --surface-alt: #0F172A;
    --primary-tint: rgba(140, 58, 58, 0.15);
    --disabled-bg: #1E293B;
    --disabled-border: #334155;
}

body.dark-mode .admin-sidebar {
    border-right-color: var(--border);
}

body.dark-mode .admin-brand-name span {
    color: var(--primary-light);
}

body.dark-mode .admin-stat-card:hover {
    border-color: #475569;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

body.dark-mode .admin-tab.active {
    color: var(--primary-light);
}

body.dark-mode .form-section h4 {
    color: var(--primary-light);
}

body.dark-mode .admin-form input,
body.dark-mode .admin-form select,
body.dark-mode .admin-form textarea,
body.dark-mode .admin-table-search {
    background: var(--surface-alt);
}

body.dark-mode .admin-form input:focus,
body.dark-mode .admin-form select:focus,
body.dark-mode .admin-form textarea:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(201, 125, 125, 0.12);
}

body.dark-mode .admin-table code {
    background: var(--surface-alt);
    color: var(--faint);
}

body.dark-mode .btn-outline:hover {
    border-color: var(--primary-light);
    color: var(--primary-light);
}

body.dark-mode .login-form input:focus,
body.dark-mode .admin-modal-header h3 i,
body.dark-mode .templates-info h4 i,
body.dark-mode .template-meta span i {
    color: var(--primary-light);
    border-color: var(--primary-light);
}

body.dark-mode .stat-trend.neutral {
    background: #334155;
    color: #94A3B8;
}

body.dark-mode .stat-trend.up {
    color: #34D399;
    background: rgba(52, 211, 153, 0.15);
}

body.dark-mode .stat-trend.down {
    color: #F87171;
    background: rgba(248, 113, 113, 0.15);
}

/* =============================================
   TAB WRAPPER FOR MOBILE SCROLLING
   ============================================= */

.admin-tabs-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 20px;
    padding: 0 2px;
    scrollbar-width: none;
    display: flex;
    gap: 4px;
}

.admin-tabs-wrapper::-webkit-scrollbar {
    display: none;
}

.admin-tabs-scroll {
    display: flex;
    gap: 4px;
    padding: 2px 0;
    flex-wrap: nowrap;
}

.admin-tabs-scroll .admin-tab {
    flex-shrink: 0;
    padding: 8px 14px;
    font-size: 12px;
    white-space: nowrap;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--border-soft);
    margin-bottom: 0;
}

.admin-tabs-scroll .admin-tab.active {
    background: var(--primary-tint);
    border-color: var(--primary-light);
    color: var(--primary);
}

.admin-tabs-scroll .admin-tab i {
    font-size: 12px;
    width: 14px;
}

.admin-tabs-scroll .admin-tab .tab-badge {
    background: var(--danger);
    color: #FFFFFF;
    font-size: 9px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 4px;
}

/* =============================================
   RESPONSIVE - MAIN BREAKPOINTS
   ============================================= */

/* --- Tablet & smaller desktops (1024px and below) --- */
@media (max-width: 1024px) {
    .admin-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: var(--sidebar-width-mobile);
        max-width: 85vw;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s var(--ease-smooth);
        box-shadow: var(--shadow-lg);
        z-index: 1000;
        border-right: none;
        border-radius: 0;
        padding-bottom: 0;
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-sidebar-close {
        display: flex !important;
        position: absolute;
        top: 12px;
        right: 12px;
        width: 32px;
        height: 32px;
        border-radius: var(--radius);
        border: 1px solid var(--border-soft);
        background: var(--surface-alt);
        color: var(--muted);
        font-size: 18px;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        z-index: 10;
        transition: all 0.2s ease;
    }

    .admin-sidebar-close:hover {
        background: var(--primary-tint);
        color: var(--primary);
        border-color: var(--primary-light);
    }

    .admin-sidebar-toggle {
        display: flex !important;
    }

    .admin-sidebar-brand {
        padding-right: 50px;
    }

    .admin-sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.5);
        z-index: 999;
        opacity: 0;
        transition: opacity 0.3s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .admin-sidebar-backdrop.show {
        display: block;
        opacity: 1;
    }

    .admin-nav {
        padding-bottom: 80px;
    }

    .admin-sidebar-footer {
        position: sticky;
        bottom: 0;
        background: var(--surface);
        z-index: 5;
    }
}

/* --- Phone (max-width: 768px) --- */
@media (max-width: 768px) {
    /* Topbar */
    .admin-topbar {
        padding: 10px 14px;
        gap: 8px;
        min-height: 56px;
    }

    .admin-topbar-left {
        gap: 8px;
    }

    .admin-topbar-left .admin-breadcrumb {
        display: none;
    }

    .admin-page-title {
        font-size: 15px;
        max-width: 130px;
    }

    .admin-topbar-right .admin-badge {
        display: none;
    }

    .admin-user {
        padding: 4px 8px 4px 4px;
        gap: 4px;
        font-size: 12px;
        border: none;
    }

    .admin-user .admin-user-avatar {
        width: 28px;
        height: 28px;
        font-size: 11px;
    }

    .admin-user span:not(.admin-user-avatar) {
        display: none;
    }

    /* Content */
    .admin-content {
        padding: 14px 12px 32px;
    }

    /* Stats Grid - 2 columns */
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 16px;
    }

    .admin-stat-card {
        padding: 14px 12px;
        gap: 10px;
        min-height: 76px;
        border-radius: var(--radius);
    }

    .admin-stat-card::before {
        height: 2px;
    }

    .stat-icon {
        width: 32px;
        height: 32px;
        font-size: 13px;
        border-radius: var(--radius);
    }

    .stat-number {
        font-size: 17px;
        letter-spacing: -0.3px;
    }

    .stat-label {
        font-size: 10px;
        white-space: nowrap;
    }

    .stat-trend {
        font-size: 8px;
        padding: 2px 7px;
        margin-top: 0;
    }

    .stat-badge {
        min-width: 18px;
        height: 18px;
        font-size: 9px;
        top: -4px;
        right: -4px;
    }

    /* Cards */
    .admin-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 14px 16px;
    }

    .admin-card-header h3 {
        font-size: 14px;
    }

    .admin-card-header p {
        font-size: 12px;
    }

    .admin-card-body {
        padding: 16px;
    }

    /* Forms */
    .admin-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-section {
        margin-bottom: 18px;
        padding-bottom: 18px;
    }

    .form-section h4 {
        font-size: 12px;
        margin-bottom: 12px;
    }

    .form-section-sub {
        padding: 14px 16px;
    }

    .admin-form input,
    .admin-form select,
    .admin-form textarea {
        font-size: 13px;
        padding: 9px 12px;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .form-actions .btn-admin {
        width: 100%;
        justify-content: center;
    }

    .form-hint {
        text-align: center;
        font-size: 11px;
    }

    /* Buttons */
    .btn-admin {
        padding: 9px 16px;
        font-size: 12px;
    }

    .btn-large {
        padding: 11px 20px;
        font-size: 13px;
    }

    /* Tables */
    .admin-table {
        font-size: 12px;
        min-width: 480px;
    }

    .admin-table th,
    .admin-table td {
        padding: 9px 12px;
    }

    .admin-table td:last-child {
        gap: 4px;
    }

    .admin-table td:last-child .btn-admin {
        padding: 4px 8px;
        font-size: 11px;
    }

    .admin-table-wrap {
        margin-top: 10px;
        border-radius: var(--radius);
    }

    .admin-table-toolbar {
        justify-content: stretch;
    }

    .admin-table-search {
        max-width: none;
    }

    /* Modal */
    .admin-modal {
        padding: 12px;
        align-items: flex-end;
    }

    .admin-modal-content {
        max-width: 100%;
        max-height: 90vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        margin-top: auto;
    }

    .admin-modal-header {
        padding: 14px 18px;
    }

    .admin-modal-header h3 {
        font-size: 15px;
    }

    .admin-modal-body {
        padding: 16px 18px;
    }

    .admin-modal-footer {
        padding: 12px 18px;
    }

    /* Toast */
    .admin-toast {
        top: 12px;
        right: 12px;
        left: 12px;
        max-width: none;
        min-width: auto;
        padding: 14px 16px 16px;
        font-size: 13px;
        border-radius: var(--radius);
    }

    /* Login */
    .admin-login-wrapper {
        padding: 16px;
        align-items: center;
    }

    .admin-login-box {
        padding: 24px 20px;
        border-radius: var(--radius);
    }

    .login-logo-mark {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }

    .admin-login-brand h1 {
        font-size: 19px;
    }

    .login-header h2 {
        font-size: 18px;
    }

    .login-form input {
        font-size: 13px;
        padding: 11px 12px;
    }

    /* Templates */
    .templates-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .template-card {
        padding: 20px 16px;
    }

    .templates-info {
        padding: 16px 18px;
    }

    .templates-info ol li {
        font-size: 12px;
    }

    /* Divider */
    .admin-divider {
        margin: 18px 0;
    }

    /* Empty state */
    .admin-empty-state {
        padding: 40px 16px;
    }

    .admin-empty-state i {
        font-size: 32px;
    }

    /* Current image/file */
    .current-image {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px 14px;
    }

    .current-image img {
        width: 48px;
        height: 48px;
    }

    .current-file {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px 14px;
    }

    .current-file span {
        min-width: auto;
        width: 100%;
        word-break: break-all;
    }

    .current-image-placeholder {
        flex-direction: column;
        align-items: center;
        padding: 20px;
        gap: 8px;
        text-align: center;
    }
}

/* --- Small phones (max-width: 480px) --- */
@media (max-width: 480px) {
    .admin-content {
        padding: 12px 10px 28px;
    }

    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .admin-stat-card {
        padding: 12px 10px;
        gap: 8px;
        min-height: 68px;
        border-radius: 4px;
    }

    .stat-icon {
        width: 28px;
        height: 28px;
        font-size: 12px;
        border-radius: 4px;
    }

    .stat-number {
        font-size: 15px;
    }

    .stat-label {
        font-size: 9px;
    }

    .stat-trend {
        font-size: 7px;
        padding: 1px 6px;
    }

    .stat-badge {
        min-width: 16px;
        height: 16px;
        font-size: 8px;
        top: -3px;
        right: -3px;
    }

    .admin-topbar {
        padding: 8px 10px;
        min-height: 48px;
    }

    .admin-page-title {
        font-size: 13px;
        max-width: 100px;
    }

    .admin-sidebar-toggle {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }

    .admin-user-avatar {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }

    .admin-card-header {
        padding: 12px 14px;
    }

    .admin-card-body {
        padding: 14px;
    }

    .admin-card-header h3 {
        font-size: 13px;
    }

    .admin-table {
        font-size: 11px;
        min-width: 400px;
    }

    .admin-table th,
    .admin-table td {
        padding: 7px 10px;
    }

    .admin-table td:last-child .btn-admin {
        padding: 3px 6px;
        font-size: 10px;
    }

    .admin-table td:last-child .btn-admin i {
        font-size: 10px;
    }

    .admin-form input,
    .admin-form select,
    .admin-form textarea {
        font-size: 12px;
        padding: 8px 10px;
    }

    .btn-admin {
        padding: 8px 14px;
        font-size: 11px;
    }

    .btn-sm {
        padding: 4px 8px;
        font-size: 10px;
    }

    .admin-login-box {
        padding: 20px 14px;
    }

    .login-logo-mark {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }

    .admin-login-brand h1 {
        font-size: 17px;
    }

    .login-header h2 {
        font-size: 16px;
    }

    .login-form input {
        font-size: 12px;
        padding: 9px 10px;
    }

    .login-btn {
        font-size: 13px;
        padding: 11px 16px;
    }

    .admin-toast {
        top: 8px;
        right: 8px;
        left: 8px;
        padding: 12px 14px 14px;
        font-size: 12px;
        gap: 10px;
    }

    .admin-toast>i:first-child {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }

    .admin-modal {
        padding: 8px;
    }

    .admin-modal-header {
        padding: 12px 14px;
    }

    .admin-modal-header h3 {
        font-size: 14px;
    }

    .admin-modal-body {
        padding: 14px;
    }

    .admin-modal-body p {
        font-size: 13px;
    }

    .admin-modal-footer {
        padding: 10px 14px;
    }

    .admin-modal-footer .btn-admin {
        width: 100%;
        justify-content: center;
    }

    .status-badge {
        font-size: 9px;
        padding: 3px 8px;
    }

    .badge-featured {
        font-size: 9px;
        padding: 2px 8px;
    }
}

/* --- Extra small phones (max-width: 360px) --- */
@media (max-width: 360px) {
    .admin-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }

    .admin-stat-card {
        padding: 10px 8px;
        min-height: 60px;
    }

    .stat-number {
        font-size: 14px;
    }

    .stat-label {
        font-size: 8px;
    }

    .stat-icon {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }

    .admin-page-title {
        font-size: 12px;
        max-width: 80px;
    }

    .admin-content {
        padding: 10px 8px 24px;
    }

    .admin-card-body {
        padding: 12px;
    }

    .admin-table {
        min-width: 340px;
        font-size: 10px;
    }

    .admin-table th,
    .admin-table td {
        padding: 6px 8px;
    }

    .admin-table td:last-child .btn-admin {
        padding: 2px 5px;
        font-size: 9px;
    }
}