:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #818CF8;
    --primary-subtle: #EEF2FF;
    --secondary: #06B6D4;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;

    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;

    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.12);

    --radius-sm: 6px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.875rem;
    --text-md: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;

    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-spring: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: clip;
}

body {
    font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--text-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { transition: var(--transition-fast); }

.page-enter {
    animation: pageEnter 0.25s ease both;
}
@keyframes pageEnter {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-light) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius);
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: none;
    z-index: 1000;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    height: 60px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    gap: 0.25rem;
    flex-wrap: nowrap;
    padding: 0 0.5rem;
}

.nav-menu.desktop-nav {
    display: flex;
    align-items: center;
    gap: 0;
    flex: 1;
    justify-content: center;
    min-width: 0;
    flex-wrap: nowrap;
    overflow: visible;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    flex-shrink: 0;
    white-space: nowrap;
}

.logo span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: clamp(80px, 10vw, 140px);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo i {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition-fast);
    font-weight: 500;
    font-size: var(--text-sm);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link i {
    font-size: 0.8rem;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-link.active i,
.nav-link:hover i {
    opacity: 1;
}

.nav-more-wrap {
    position: relative;
}

.nav-more-btn {
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
}

.nav-more-icon {
    display: inline-block;
    font-size: 0.6rem;
    margin-right: 2px;
    transition: transform 0.2s;
}

.nav-more-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: white;
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
    border: 1px solid #E5E7EB;
    min-width: 155px;
    z-index: 2000;
    overflow: hidden;
}

.nav-more-dropdown.open {
    display: block;
    animation: nmFadeIn 0.15s ease;
}

@keyframes nmFadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to   { opacity: 1; transform: translateY(0); }
}

.nav-more-dropdown .nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    width: 100%;
    border-radius: 0;
    font-size: 0.82rem;
    border-bottom: 1px solid #F3F4F6;
}

.nav-more-dropdown .nav-link:last-child {
    border-bottom: none;
}

.nav-more-dropdown .nav-link i {
    display: inline-block;
    width: 15px;
    text-align: center;
    font-size: 0.78rem;
    color: #6B7280;
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--primary);
}

.nav-link.active {
    color: var(--primary);
    font-weight: 700;
}

.nav-user-menu {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    flex-shrink: 0;
    flex-wrap: nowrap;
}

.nav-user-button {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.5rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    max-width: 160px;
    flex-shrink: 0;
    white-space: nowrap;
}

.nav-user-button span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    max-width: clamp(100px, 14vw, 220px);
    font-size: 0.8rem;
}

.nav-user-button:hover {
    background: var(--bg-secondary);
    box-shadow: var(--shadow);
}

.nav-user-button img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.nav-user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    min-width: 200px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

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

.nav-user-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.nav-user-dropdown a:hover {
    background: var(--bg-secondary);
}

.nav-user-dropdown hr {
    margin: 0.5rem 0;
    border: none;
    border-top: 1px solid var(--border);
}

.logout-link {
    color: var(--danger) !important;
}


/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-fast);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Grid */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Flash Messages */
.flash-container {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-width: 320px;
    max-width: 500px;
}

.flash {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flash-success { border-right: 4px solid var(--success); }
.flash-info { border-right: 4px solid var(--info); }
.flash-warning { border-right: 4px solid var(--warning); }
.flash-danger { border-right: 4px solid var(--danger); }

.flash i {
    font-size: 1.25rem;
}

.flash-success i { color: var(--success); }
.flash-info i { color: var(--info); }
.flash-warning i { color: var(--warning); }
.flash-danger i { color: var(--danger); }

.flash-close {
    margin-right: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.flash-close:hover {
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 70px);
    padding: 0 0 2rem;
}

/* للصفحة الرئيسية فقط - no padding */
body:has(.footer) .main-content {
    padding: 0;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Footer CTA Button */
.footer-cta-btn {
    display: inline-block;
    padding: 0.85rem 1.75rem;
    background: white;
    color: var(--primary);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.footer-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    background: #f8f9fa;
}

.footer-cta-btn i {
    margin-left: 0.5rem;
}

/* Footer Responsive */
@media (max-width: 768px) {
    .footer {
        padding: 2rem 0 1rem;
        margin-top: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-cta-btn {
        display: block;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Back to Top */

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.form-error {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Responsive */
    }
@media (max-width: 768px) {
    /* إخفاء navbar العلوي كامل في mobile */
    .navbar {
        display: none !important;
    }
    
    .nav-menu.desktop-nav {
        display: none;
    }
    .nav-right .nav-link span {
        display: none;
    }
    
    .grid-cols-2, .grid-cols-3, .grid-cols-4 {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .flash-container {
        min-width: 280px;
        padding: 0 1rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .grid-cols-3, .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Menu Overlay & Drawer */
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 2000;
        display: none;
        opacity: 0;
        transition: opacity 0.3s;
    }
    
    .mobile-menu-overlay.active {
        display: block;
        opacity: 1;
    }
    
    .mobile-menu-drawer {
        position: fixed;
        top: 0;
        right: -100%;
        bottom: 0;
        width: 80%;
        max-width: 320px;
        background: white;
        z-index: 2001;
        transition: right 0.3s ease;
        overflow-y: auto;
        box-shadow: -4px 0 15px rgba(0,0,0,0.2);
    }
    
    .mobile-menu-drawer.active {
        right: 0;
    }
    
    .mobile-menu-header {
        padding: 1.5rem;
        background: linear-gradient(135deg, #667eea, #764ba2);
        color: white;
        position: relative;
    }
    
    .mobile-menu-close {
        position: absolute;
        top: 1rem;
        left: 1rem;
        background: rgba(255,255,255,0.2);
        border: none;
        color: white;
        font-size: 1.5rem;
        width: 35px;
        height: 35px;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .mobile-menu-user {
        display: flex;
        align-items: center;
        gap: 1rem;
        margin-top: 0.5rem;
    }
    
    .mobile-menu-user img {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        border: 2px solid white;
        object-fit: cover;
    }
    
    .mobile-menu-user-info h3 {
        font-size: 1rem;
        margin: 0;
        font-weight: 600;
    }
    
    .mobile-menu-user-info p {
        font-size: 0.8rem;
        margin: 0.2rem 0 0;
        opacity: 0.9;
    }
    
    .mobile-menu-items {
        padding: 1rem 0;
    }
    
    .mobile-menu-item {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 1rem 1.5rem;
        color: #374151;
        text-decoration: none;
        transition: background 0.2s;
        border-right: 3px solid transparent;
    }
    
    .mobile-menu-item:hover,
    .mobile-menu-item.active {
        background: #F3F4F6;
        border-right-color: #667eea;
        color: #667eea;
    }
    
    .mobile-menu-item i {
        font-size: 1.2rem;
        width: 24px;
    }
    
    .mobile-menu-item span {
        font-size: 0.95rem;
    }
    
    .mobile-menu-divider {
        height: 1px;
        background: #E5E7EB;
        margin: 0.5rem 1.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* ═══════════════════════════════════════════════════════════
   CTA Platform Button - زر الانتقال للمنصة
   ═══════════════════════════════════════════════════════════ */
.cta-platform-btn {
    position: relative;
    transform: translateY(0);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cta-platform-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5) !important;
}

.cta-platform-btn:hover .hover-overlay {
    opacity: 1;
}

.cta-platform-btn:hover span {
    color: white !important;
}

.cta-platform-btn:active {
    transform: translateY(-2px) scale(1.02);
}

/* Mobile Responsive للزر */
@media (max-width: 768px) {
    .cta-platform-btn {
        padding: 1.2rem 2.5rem !important;
        font-size: 1.1rem !important;
        width: 90%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .cta-platform-btn {
        padding: 1rem 2rem !important;
        font-size: 1rem !important;
        width: 95%;
    }
}


/* ============================================
   GLOBAL UI POLISH — affects ALL pages
   ============================================ */

/* --- Minimum font-size enforcement --- */
.thought-circle-wrap span,
.sc-tag i,
.post-time,
.notif-meta,
.grade-label,
[style*="font-size:0.55rem"],
[style*="font-size: 0.55rem"],
[style*="font-size:.55rem"],
[style*="font-size:0.6rem"],
[style*="font-size: 0.6rem"],
[style*="font-size:.6rem"],
[style*="font-size:0.62rem"],
[style*="font-size: 0.62rem"],
[style*="font-size:.62rem"] {
    font-size: var(--text-xs) !important;
}

/* --- Card polish across all pages --- */
.proj-card,
.course-card-modern,
.material-card,
.student-card,
.assignment-card,
.exam-card,
.benefit-card {
    border: 1px solid var(--border-light) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease !important;
}
.proj-card:hover,
.course-card-modern:hover,
.material-card:hover,
.student-card:hover,
.assignment-card:hover,
.exam-card:hover,
.benefit-card:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-lg) !important;
    border-color: var(--border) !important;
}

/* --- Active/tap feedback for mobile --- */
@media (max-width: 768px) {
    .proj-card:active,
    .course-card-modern:active,
    .student-card:active,
    .post-card:active,
    .shortcut:active,
    .notif-card:active,
    a.post-row:active {
        transform: scale(0.97) !important;
    }
}

/* --- Button polish --- */
.btn {
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}
.btn:active {
    transform: scale(0.97);
}

/* --- Unified border-radius --- */
.proj-card,
.course-card-modern,
.material-card,
.exam-card,
.benefit-card {
    border-radius: var(--radius-xl) !important;
}

/* --- Page header polish --- */
.students-topbar,
.schedule-header {
    border-radius: var(--radius-xl);
}

/* --- Empty states polish --- */
.empty-state,
[class*="empty"] {
    border: 1px dashed var(--border);
    border-radius: var(--radius-xl);
    background: var(--bg-primary);
}

/* --- Post card spacing --- */
.post-card {
    transition: background 0.12s ease;
}
.post-card:hover {
    background: var(--bg-tertiary);
}

/* --- Thought/story circle label --- */
.thought-circle-wrap > span:last-child {
    font-size: var(--text-xs) !important;
    font-weight: 600;
}

/* --- Student card tags --- */
.sc-tag {
    font-size: var(--text-xs) !important;
    border-radius: var(--radius) !important;
}

/* --- Smooth page content entry --- */
.main-content {
    animation: pageEnter 0.25s ease both;
}

/* --- Better focus states --- */
input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-light) !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1) !important;
}

/* --- Grade box polish --- */
[style*="background: #F9FAFB"][style*="border-radius: 0.75rem"] {
    background: var(--bg-primary) !important;
    border-color: var(--border-light) !important;
}

/* --- Link hover consistency --- */
.view-all-link,
a[style*="color:#4F46E5"],
a[style*="color: #4F46E5"] {
    transition: var(--transition-fast);
}

/* --- Scrollbar styling --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================
   PAGE-SPECIFIC ENHANCEMENTS
   ============================================ */

/* --- Page header (courses, materials, etc) --- */
.page-header {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #6D28D9 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-5);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.page-header::before {
    content: '';
    position: absolute;
    top: -30px;
    left: -30px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
}
.page-header h1 {
    color: #fff !important;
    font-size: var(--text-xl) !important;
    font-weight: 800;
    margin: 0 0 4px;
}
.page-header p {
    color: rgba(255,255,255,0.8) !important;
    font-size: var(--text-sm);
    margin: 0;
}
html[data-theme="dark"] .page-header {
    background: linear-gradient(135deg, #312e81 0%, #4c1d95 50%, #581c87 100%);
}

/* --- Course card improvements --- */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-4);
}
.course-card-modern {
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.course-card-modern .course-image-wrapper {
    position: relative;
    height: 160px;
    overflow: hidden;
}
.course-card-modern .course-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.course-card-modern:hover .course-image-wrapper img {
    transform: scale(1.05);
}
.course-badge {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    padding: 3px 10px;
    border-radius: var(--radius);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--primary);
}
.course-content {
    padding: var(--space-4);
    flex: 1;
    display: flex;
    flex-direction: column;
}
.course-title {
    font-size: var(--text-base);
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 var(--space-1);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.course-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-light);
}
.course-stats {
    display: flex;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--text-muted);
}
.course-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* --- Category filter pills --- */
.container .badge[style*="border-radius:2rem"] {
    font-size: var(--text-xs) !important;
    font-weight: 700 !important;
    padding: 6px 14px !important;
    border-radius: 99px !important;
    transition: var(--transition-fast) !important;
    border: 1px solid transparent !important;
}
.container .badge[style*="border-radius:2rem"]:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* --- Project card dark mode --- */
html[data-theme="dark"] .proj-card {
    background: var(--bg-primary);
}
html[data-theme="dark"] .proj-card-title {
    color: var(--text-primary);
}
html[data-theme="dark"] .proj-card-desc {
    color: var(--text-secondary);
}
html[data-theme="dark"] .proj-card-author {
    border-top-color: var(--border-light);
}
html[data-theme="dark"] .proj-card-author span {
    color: var(--text-primary);
}

/* --- Grades page improvements --- */
.container [style*="background:white"][style*="border-radius:1rem"][style*="overflow:hidden"] {
    background: var(--bg-primary) !important;
    border-color: var(--border-light) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: var(--transition-fast) !important;
}

/* --- Auth pages (login/register) dark mode --- */
html[data-theme="dark"] .auth-box {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
}
html[data-theme="dark"] .auth-header h1 {
    color: var(--primary-light);
}
html[data-theme="dark"] .auth-footer {
    border-top-color: var(--border-light);
}

/* --- Posts feed dark mode --- */
html[data-theme="dark"] #feed {
    background: var(--bg-primary);
    border-color: var(--border-light);
}
html[data-theme="dark"] .post-card {
    background: var(--bg-primary);
    border-bottom-color: var(--border-light);
}
html[data-theme="dark"] .post-card:hover {
    background: var(--bg-tertiary);
}
html[data-theme="dark"] .post-modal {
    background: var(--bg-primary);
}
html[data-theme="dark"] .compose-textarea {
    color: var(--text-primary);
}
html[data-theme="dark"] .fab-post {
    box-shadow: 0 4px 20px rgba(79,70,229,0.3);
}

/* --- Materials page card hover --- */
.container a[style*="border-radius:0.85rem"][style*="text-align:center"] {
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease !important;
}
.container a[style*="border-radius:0.85rem"][style*="text-align:center"]:hover {
    transform: translateY(-3px) !important;
    box-shadow: var(--shadow-lg) !important;
}
.container a[style*="border-radius:0.85rem"][style*="text-align:center"]:active {
    transform: scale(0.97) !important;
}

/* --- Skeleton loading animation --- */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius);
}

/* --- Container max-width consistency --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* --- Notification cards --- */
.notif-card,
.notification-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: var(--transition-fast);
}
.notif-card:hover,
.notification-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
}

/* --- Badge pills consistency --- */
.badge,
[class*="badge"] {
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius);
}

/* --- Thought stories bar dark mode --- */
html[data-theme="dark"] [style*="border-radius:20px"][style*="box-shadow"] {
    background: var(--bg-primary) !important;
    border-color: var(--border-light) !important;
}
html[data-theme="dark"] .thought-ring {
    background: linear-gradient(135deg, #6366F1, #7C3AED, #A78BFA);
}
html[data-theme="dark"] .thought-ring-inner {
    border-color: var(--bg-primary);
}
html[data-theme="dark"] .thought-add-inner {
    border-color: var(--bg-primary);
    background: rgba(124,58,237,0.15);
}
html[data-theme="dark"] .t-popup {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
}
html[data-theme="dark"] .t-input-wrap {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
}
html[data-theme="dark"] .t-input {
    color: var(--text-primary);
}

/* --- Form controls dark mode --- */
html[data-theme="dark"] .form-control {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
    color: var(--text-primary);
}

/* --- Empty state improvements --- */
.container [style*="text-align:center"][style*="padding:3rem"],
.container [style*="text-align:center"][style*="padding:4rem"] {
    border: 1px dashed var(--border) !important;
    border-radius: var(--radius-xl) !important;
    background: var(--bg-primary) !important;
}

/* --- Smooth transitions for all interactive elements --- */
a, button, input, select, textarea {
    transition: var(--transition-fast);
}

/* --- Search input polish --- */
input[name="search"] {
    background: var(--bg-primary) !important;
    border: 1.5px solid var(--border) !important;
    border-radius: var(--radius-lg) !important;
    padding: 0.5rem 0.85rem !important;
    font-size: var(--text-sm) !important;
    color: var(--text-primary) !important;
    transition: var(--transition-fast) !important;
}
input[name="search"]:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1) !important;
}
html[data-theme="dark"] input[name="search"] {
    background: var(--bg-tertiary) !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
}