/* ==========================================================================
   Aqlli Maktab (AI Education) — Modern Premium EdTech Design System
   ========================================================================== */

:root {
    /* Primary Colors */
    --primary: #1668e8;
    --primary-hover: #1255c2;
    --primary-light: #edf3ff;
    --primary-gradient: linear-gradient(135deg, #1668e8 0%, #0d47a1 100%);
    --magic-gradient: linear-gradient(135deg, #1668e8 0%, #3b82f6 50%, #06b6d4 100%);
    
    /* Neutral & Backgrounds */
    --bg-body: #f4f7fc;
    --bg-card: #ffffff;
    --bg-card-subtle: #fafbfd;
    --bg-input: #f8fafc;
    
    /* Text Colors */
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* Borders & Outlines */
    --border-color: #e8eef7;
    --border-light: #f1f5f9;
    --border-focus: #3b82f6;
    
    /* Accents & Status */
    --success: #10b981;
    --success-light: #ecfdf5;
    --success-border: #a7f3d0;
    
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --warning-border: #fde68a;
    
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --danger-border: #fecaca;
    
    --purple: #8b5cf6;
    --purple-light: #f5f3ff;
    
    /* Dimensions & Radii */
    --sidebar-width: 260px;
    --topbar-height: 74px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.04), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
    --shadow-hover: 0 12px 30px -4px rgba(22, 104, 232, 0.12), 0 4px 10px -2px rgba(15, 23, 42, 0.03);
    --shadow-magic: 0 8px 24px rgba(22, 104, 232, 0.35);
}

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

/* ==========================================================================
   Universal Sleek Themed Scrollbar
   ========================================================================== */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(148, 163, 184, 0.3) transparent;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.28);
    border-radius: 9999px;
    border: 1px solid transparent;
    background-clip: padding-box;
    transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.55);
}

::-webkit-scrollbar-corner {
    background: transparent;
}

[data-theme="dark"] * {
    scrollbar-color: rgba(148, 163, 184, 0.22) transparent;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.22);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.45);
}

html, body {
    max-width: 100vw;
    overflow-x: hidden !important;
    position: relative;
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.2s ease;
}

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

/* App Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
    max-width: 100vw;
    width: 100%;
    overflow-x: hidden !important;
}

/* ==========================================================================
   Sidebar (Modern Clean White Floating Style)
   ========================================================================== */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-light);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
}

.brand-logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #ffffff !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    flex-shrink: 0;
}

.brand-logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-title {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: var(--text-main);
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 24px 16px;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: color 0.2s ease;
}

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

.nav-link:hover .nav-icon {
    color: var(--primary);
}

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

.nav-item.active .nav-icon {
    color: var(--primary);
}

.sidebar-footer {
    padding: 20px 16px;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-ai-magic {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 13px 20px;
    border-radius: var(--radius-full);
    background: var(--magic-gradient);
    color: #ffffff !important;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: var(--shadow-magic);
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-ai-magic:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(22, 104, 232, 0.45);
}

.logout-form {
    width: 100%;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 18px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.logout-btn:hover {
    background-color: var(--danger-light);
    color: var(--danger);
}

/* ==========================================================================
   Main Content Area & Topbar
   ========================================================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0;
    max-width: 100%;
    width: 100%;
    overflow-x: hidden !important;
}

.topbar {
    height: var(--topbar-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 99;
}

/* ==========================================================================
   Modern Hamburger Menu Button (.sidebar-toggle)
   ========================================================================== */
.sidebar-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1.5px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.sidebar-toggle:hover {
    background-color: var(--bg-card-subtle);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(22, 104, 232, 0.18);
}

.sidebar-toggle:active {
    transform: scale(0.96);
}

.sidebar-toggle svg {
    transition: transform 0.2s ease;
}

.sidebar-toggle:hover svg line:nth-child(2) {
    x2: 18;
    transition: all 0.2s ease;
}

[data-theme="dark"] .sidebar-toggle {
    background-color: #1e293b;
    border-color: #334155;
    color: #f1f5f9;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .sidebar-toggle:hover {
    background-color: #27354a;
    border-color: #3b82f6;
    color: #60a5fa;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}

/* ==========================================================================
   Modern Universal Form Entries & Option Menus (Inputs, Selects, Textareas)
   ========================================================================== */
.form-control,
.form-input-modern,
.form-select-modern,
input[type="text"]:not(.search-input):not(.topbar-search-input),
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
input[type="tel"],
input[type="date"],
select.form-control,
select.form-select-modern,
textarea.form-control {
    width: 100%;
    height: 44px;
    padding: 10px 16px;
    border-radius: var(--radius-md, 12px);
    border: 1.5px solid var(--border-color);
    background-color: var(--bg-card);
    font-size: 0.92rem;
    font-family: inherit;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    box-sizing: border-box;
}

textarea.form-control,
textarea {
    height: auto !important;
    min-height: 96px;
    padding: 12px 16px;
    line-height: 1.6;
    resize: vertical;
}

.form-control:focus,
.form-input-modern:focus,
.form-select-modern:focus,
input:focus:not(.search-input):not(.topbar-search-input),
select:focus,
textarea:focus {
    border-color: var(--primary);
    background-color: var(--bg-card);
    box-shadow: 0 0 0 3.5px rgba(22, 104, 232, 0.15);
}

/* Premium Option Menus (Select Dropdowns) */
select,
select.form-control,
select.form-select-modern {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%231668e8' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 14px center !important;
    background-size: 16px !important;
    padding-right: 42px !important;
    cursor: pointer;
    font-weight: 600;
}

select[multiple] {
    background-image: none !important;
    padding: 8px 12px !important;
    height: auto !important;
}

select option {
    background-color: #ffffff;
    color: #1e293b;
    padding: 10px 14px;
    font-weight: 500;
    font-size: 0.92rem;
}

/* File Upload Inputs */
input[type="file"],
input[type="file"].form-control {
    padding: 7px 12px;
    height: auto;
    cursor: pointer;
    background: var(--bg-card-subtle);
    border-radius: var(--radius-md, 12px);
    border: 1.5px dashed var(--border-color);
}

input[type="file"]::file-selector-button {
    background: var(--primary-gradient);
    color: #ffffff;
    border: none;
    padding: 8px 18px;
    border-radius: 9px;
    font-weight: 700;
    font-size: 0.84rem;
    cursor: pointer;
    margin-right: 14px;
    box-shadow: 0 2px 8px rgba(22, 104, 232, 0.25);
    transition: all 0.15s ease;
}

input[type="file"]::file-selector-button:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

/* Dark Theme Support for Form Entries & Option Menus */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-input-modern,
[data-theme="dark"] .form-select-modern,
[data-theme="dark"] input[type="text"]:not(.search-input):not(.topbar-search-input),
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="url"],
[data-theme="dark"] input[type="tel"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] select,
[data-theme="dark"] select.form-control,
[data-theme="dark"] select.form-select-modern,
[data-theme="dark"] textarea {
    background-color: #1e293b;
    border-color: #334155;
    color: #f8fafc;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-input-modern:focus,
[data-theme="dark"] .form-select-modern:focus,
[data-theme="dark"] input:focus:not(.search-input):not(.topbar-search-input),
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    background-color: #1e293b;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3.5px rgba(59, 130, 246, 0.2);
    color: #ffffff;
}

[data-theme="dark"] select,
[data-theme="dark"] select.form-control,
[data-theme="dark"] select.form-select-modern {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2360a5fa' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") !important;
    background-color: #1e293b;
    border-color: #334155;
    color: #f8fafc;
}

[data-theme="dark"] select option {
    background-color: #1e293b;
    color: #f8fafc;
}

[data-theme="dark"] input[type="file"],
[data-theme="dark"] input[type="file"].form-control {
    background: #0f172a;
    border-color: #334155;
    color: #cbd5e1;
}

/* Desktop Sidebar Collapsed State */
@media (min-width: 1025px) {
    .sidebar {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }
    .main-content {
        transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }
    body.sidebar-desktop-collapsed .sidebar,
    html.sidebar-desktop-collapsed .sidebar {
        transform: translateX(-100%) !important;
    }
    body.sidebar-desktop-collapsed .main-content,
    html.sidebar-desktop-collapsed .main-content {
        margin-left: 0 !important;
    }
    body.sidebar-desktop-collapsed .sidebar-toggle,
    html.sidebar-desktop-collapsed .sidebar-toggle {
        color: var(--primary);
        border-color: var(--primary);
        background-color: rgba(37, 99, 235, 0.08);
    }
}

.topbar-search {
    position: relative;
    width: 360px;
}

.topbar-search .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.topbar-search .search-input {
    width: 100%;
    height: 44px;
    padding: 0 20px 0 46px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
    font-size: 0.92rem;
    color: var(--text-main);
    outline: none;
    transition: all 0.2s ease;
}

.topbar-search .search-input:focus {
    border-color: var(--border-focus);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background-color: var(--bg-input);
    color: var(--primary);
}

.notification-badge {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--danger);
    position: absolute;
    top: 10px;
    right: 10px;
}

.user-profile-widget {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    background-color: var(--bg-input);
    border: 1px solid var(--border-light);
}

/* --- New Profile Widget Wrapper (clickable, opens dropdown) --- */
.profile-widget-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 12px 5px 5px;
    border-radius: var(--radius-full);
    background-color: var(--bg-input);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.profile-widget-wrapper:hover {
    border-color: var(--primary);
    background-color: var(--bg-card);
}

.profile-chevron {
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.profile-widget-wrapper:has(#profileDropdown.open) .profile-chevron {
    transform: rotate(180deg);
}

/* Avatar */
.avatar-circle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.avatar-circle img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    object-fit: cover !important;
    border-radius: 50% !important;
    display: block !important;
    overflow: hidden !important;
}

/* Admin glowing gold ring + crown aura */
.avatar-circle.avatar-admin {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%) !important;
    box-shadow: 0 0 0 2.5px #fbbf24, 0 0 16px rgba(245, 158, 11, 0.7) !important;
    position: relative;
}

.avatar-circle.avatar-admin::after {
    content: '👑';
    position: absolute;
    top: -9px;
    right: -7px;
    font-size: 0.85rem;
    line-height: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.6));
}

.avatar-circle-lg {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.profile-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.profile-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.profile-role {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Desktop-only: visible on ≥1025px, hidden on mobile */
.desktop-only {
    display: flex !important;
}

/* Topbar theme button — visible on all devices (desktop + mobile) */
.topbar-theme-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    font-size: 1.15rem;
    display: flex !important;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
}

.topbar-theme-btn .sun-icon {
    display: none;
    line-height: 1;
}

.topbar-theme-btn .moon-icon {
    display: inline-block;
    line-height: 1;
}

.topbar-theme-btn:hover {
    background-color: var(--bg-hover);
    transform: scale(1.05);
}

[data-theme="dark"] .topbar-theme-btn {
    background: #1e293b !important;
    border-color: rgba(255, 255, 255, 0.45) !important;
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.35) !important;
}

[data-theme="dark"] .topbar-theme-btn .sun-icon {
    display: inline-block !important;
    filter: drop-shadow(0 0 4px #fbbf24);
}

[data-theme="dark"] .topbar-theme-btn .moon-icon {
    display: none !important;
}

/* --- Profile Dropdown --- */
.profile-dropdown {
    position: absolute !important;
    top: calc(100% + 12px) !important;
    right: 0 !important;
    min-width: 250px !important;
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 16px !important;
    box-shadow: 0 20px 45px -5px rgba(0, 0, 0, 0.4), 0 8px 16px -2px rgba(0, 0, 0, 0.2) !important;
    z-index: 9999 !important;
    overflow: hidden !important;
    animation: dropdownFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.profile-dropdown-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-card-subtle);
}

.profile-dropdown-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.profile-dropdown-role {
    font-size: 0.78rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 2px;
}

.profile-dropdown-username {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.profile-dropdown-divider {
    height: 1px;
    background-color: var(--border-light);
}

.profile-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    text-decoration: none;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    transition: background-color 0.15s ease;
}

.profile-dropdown-item:hover {
    background-color: var(--bg-input);
    color: var(--primary);
}

.profile-dropdown-logout {
    color: var(--danger);
}

.profile-dropdown-logout:hover {
    background-color: var(--danger-light);
    color: var(--danger);
}

/* Mobile table column hiding */
.mobile-hidden {
    display: table-cell;
}




.content-wrapper {
    padding: 32px;
    flex: 1;
    min-width: 0;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden !important;
}

/* ==========================================================================
   Hero Welcome Banner (BilimAI Style)
   ========================================================================== */
.hero-banner {
    background: linear-gradient(135deg, #f8faff 0%, #edf4ff 100%);
    border: 1px solid #dbeafe;
    border-radius: var(--radius-xl);
    padding: 36px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 620px;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background-color: #dbeafe;
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.hero-title {
    font-size: 2.1rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 12px;
}

.hero-title em {
    font-style: italic;
    color: var(--primary);
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

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

.hero-visual {
    width: 240px;
    height: 180px;
    border-radius: 20px;
    background: linear-gradient(135deg, #091e42 0%, #172b4d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 16px 36px rgba(9, 30, 66, 0.25);
    position: relative;
}

.hero-visual-icon {
    font-size: 4rem;
    filter: drop-shadow(0 8px 16px rgba(0, 195, 255, 0.4));
}

/* ==========================================================================
   Stats Grid Cards (3 Key Metrics)
   ========================================================================== */
.stats-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-box:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.stat-box-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-box-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-icon-blue { background: #eff6ff; color: #2563eb; }
.stat-icon-green { background: #ecfdf5; color: #10b981; }
.stat-icon-orange { background: #fff7ed; color: #f97316; }
.stat-icon-purple { background: #f5f3ff; color: #8b5cf6; }

.stat-chip {
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.76rem;
    font-weight: 700;
}

.stat-chip-blue { background: #dbeafe; color: #1e40af; }
.stat-chip-green { background: #d1fae5; color: #065f46; }
.stat-chip-orange { background: #ffedd5; color: #9a3412; }
.stat-chip-purple { background: #ede9fe; color: #5b21b6; }

.stat-box-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-box-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: #0f172a;
    line-height: 1;
}

/* ==========================================================================
   Cards, Grid & General UI
   ========================================================================== */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: 24px;
    max-width: 100% !important;
    width: 100%;
    min-width: 0;
    box-sizing: border-box !important;
    overflow: hidden;
}

.card-header {
    padding: 20px 26px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #0f172a;
}

.card-body {
    padding: 26px;
}

.dashboard-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 28px;
}

.dashboard-2col > * {
    min-width: 0;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 24px;
}

/* ==========================================================================
   Buttons & Badges (Modern Pill Design)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-full);
    font-size: 0.92rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(22, 104, 232, 0.28);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(22, 104, 232, 0.38);
}

.btn-outline {
    background-color: #ffffff;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--bg-body);
    border-color: #cbd5e1;
}

.btn-success {
    background-color: var(--success);
    color: #ffffff !important;
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff !important;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.82rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
    line-height: 1.2;
}

.badge-blue { background: #eff6ff; color: #2563eb; }
.badge-green, .badge-success { background: #ecfdf5; color: #059669; }
.badge-orange, .badge-warning { background: #fffbeb; color: #d97706; }
.badge-red, .badge-danger { background: #fef2f2; color: #dc2626; }
.badge-purple { background: #f5f3ff; color: #7c3aed; }
.badge-gray, .badge-info { background: #f1f5f9; color: #475569; }

/* ==========================================================================
   AI Suggestion Card (Aqlu-Zakovati Tavsiya)
   ========================================================================== */
.ai-suggestion-card {
    background: #ffffff;
    border: 2px solid #3b82f6;
    border-radius: var(--radius-xl);
    padding: 28px;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.12);
    position: relative;
    overflow: hidden;
}

.ai-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 800;
    color: #2563eb;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 14px;
}

.ai-card-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.3;
    margin-bottom: 12px;
}

.ai-card-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

/* ==========================================================================
   AI Insight Banners (Student Detail Page - Image 3)
   ========================================================================== */
.insight-box {
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.insight-blue {
    background-color: #f0f7ff;
    border-left: 4px solid #2563eb;
}

.insight-red {
    background-color: #fff5f5;
    border-left: 4px solid #ef4444;
}

.insight-green {
    background-color: #f0fdf4;
    border-left: 4px solid #10b981;
}

.insight-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #0f172a;
}

.insight-text {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ==========================================================================
   Modern Tables
   ========================================================================== */
.table-responsive {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    display: block !important;
    box-sizing: border-box !important;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th {
    padding: 14px 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    background-color: var(--bg-card-subtle);
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 16px 20px;
    font-size: 0.92rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.table tbody tr {
    transition: background-color 0.15s ease;
}

.table tbody tr:hover {
    background-color: var(--bg-card-subtle);
}

/* User cell */
.user-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-cell-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #334155;
}

/* Progress bar inside table */
.progress-bar-bg {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background-color: #e2e8f0;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--primary-gradient);
    transition: width 0.4s ease;
}

/* ==========================================================================
   File Upload Drag & Drop Zone (Image 2)
   ========================================================================== */
.dropzone-container {
    border: 2px dashed #93c5fd;
    border-radius: var(--radius-xl);
    padding: 50px 30px;
    text-align: center;
    background-color: #f8faff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dropzone-container:hover {
    border-color: var(--primary);
    background-color: #edf5ff;
}

.dropzone-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: #dbeafe;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 16px;
}

/* ==========================================================================
   Modern Form Inputs & Selects
   ========================================================================== */
.form-input-modern, .form-select-modern, .form-input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border-radius: 12px;
    border: 1.5px solid #e2e8f0;
    background-color: #ffffff;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-main);
    outline: none;
    transition: all 0.2s ease;
}

.form-select-modern {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 42px;
    cursor: pointer;
}

.form-input-modern:focus, .form-select-modern:focus, .form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(22, 104, 232, 0.12);
    background-color: #ffffff;
}

.form-select-modern:disabled, .form-input-modern:disabled {
    background-color: #f8fafc;
    color: #94a3b8;
    cursor: not-allowed;
    border-color: #f1f5f9;
}

/* Multi-select Checkbox Grid / Container */
.teacher-select-container {
    max-height: 160px;
    overflow-y: auto;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    background-color: #ffffff;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.teacher-select-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
}

.teacher-select-card:hover {
    background: rgba(22, 104, 232, 0.08);
}

.teacher-select-card input[type="checkbox"],
.form-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* ==========================================================================
   Sidebar Theme Sliding Switch & Dark Mode Styles
   ========================================================================== */
.sidebar-theme-switch-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background-color: var(--bg-input);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.theme-switch-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    user-select: none;
}

.theme-mode-icon {
    font-size: 1.1rem;
    line-height: 1;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    margin: 0;
    cursor: pointer;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input:checked + .slider {
    background: var(--primary-gradient);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

.sidebar-close-btn {
    display: none;
    margin-left: auto;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.sidebar-close-btn:hover {
    color: var(--danger);
    background-color: var(--danger-light);
}

.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
}


/* Date Badge component */
.date-badge {
    background: #f1f5f9;
    border-radius: 12px;
    padding: 8px;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.date-badge-month {
    font-size: 0.72rem;
    font-weight: 700;
    color: #64748b;
    display: block;
    text-transform: uppercase;
}

.date-badge-day {
    font-size: 1.1rem;
    font-weight: 800;
    color: #0f172a;
}

/* AI Sublink component */
.ai-sublink {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: #f8fafc;
    border-radius: 12px;
    color: #334155;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid #e2e8f0;
}

.ai-sublink:hover {
    background: #edf5ff;
    color: #2563eb;
    border-color: #bfdbfe;
    transform: translateX(3px);
}

/* Topic Card components */
.topic-item-card {
    padding: 12px 16px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
}

.topic-item-card:hover {
    border-color: #bfdbfe;
    background: #f0f7ff;
}

.topic-name-text {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.topic-empty-card {
    grid-column: 1 / -1;
    padding: 18px;
    text-align: center;
    color: var(--text-muted);
    background: #f8fafc;
    border-radius: 12px;
}

/* AI Quota Box component */
.ai-quota-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 20px;
}

/* ==========================================================================
   Dark Theme [data-theme="dark"] Overrides
   ========================================================================== */
[data-theme="dark"] {
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-light: rgba(59, 130, 246, 0.18);
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --magic-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #06b6d4 100%);
    
    --bg-body: #0b0f19;
    --bg-card: #111827;
    --bg-card-subtle: #1e293b;
    --bg-input: #1e293b;
    
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --text-white: #ffffff;
    
    --border-color: #1e293b;
    --border-light: #242f42;
    --border-focus: #3b82f6;
    
    --success-light: rgba(16, 185, 129, 0.15);
    --success-border: rgba(16, 185, 129, 0.3);
    
    --warning-light: rgba(245, 158, 11, 0.15);
    --warning-border: rgba(245, 158, 11, 0.3);
    
    --danger-light: rgba(239, 68, 68, 0.15);
    --danger-border: rgba(239, 68, 68, 0.3);
    
    --purple-light: rgba(139, 92, 246, 0.15);
    
    --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 2px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 12px 30px -4px rgba(0, 0, 0, 0.7);
    --shadow-magic: 0 8px 24px rgba(37, 99, 235, 0.35);
}

[data-theme="dark"] body {
    background-color: var(--bg-body);
    color: var(--text-main);
}

[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3, 
[data-theme="dark"] h4, 
[data-theme="dark"] h5, 
[data-theme="dark"] h6,
[data-theme="dark"] strong,
[data-theme="dark"] b {
    color: #f8fafc;
}

[data-theme="dark"] .sidebar {
    background-color: #0f172a;
    border-right-color: #1e293b;
}

[data-theme="dark"] .sidebar-header {
    border-bottom-color: #1e293b;
}

[data-theme="dark"] .brand-title {
    color: #f8fafc;
}

[data-theme="dark"] .sidebar .nav-link {
    color: #94a3b8;
}

[data-theme="dark"] .sidebar .nav-link:hover {
    background-color: #1e293b;
    color: #f8fafc;
}

[data-theme="dark"] .sidebar .nav-item.active .nav-link {
    background-color: #1e293b;
    color: #60a5fa;
}

[data-theme="dark"] .topbar {
    background-color: #0f172a;
    border-bottom-color: #1e293b;
}

[data-theme="dark"] .topbar-search {
    background: transparent;
    border: none;
}

[data-theme="dark"] .topbar-search .search-input {
    background-color: #1e293b;
    border: 1px solid #334155;
    color: #f8fafc;
}

[data-theme="dark"] .topbar-search .search-input:focus {
    background-color: #1e293b;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .icon-btn {
    background-color: #1e293b;
    border-color: #334155;
    color: #94a3b8;
}

[data-theme="dark"] .icon-btn:hover {
    background-color: #334155;
    color: #ffffff;
}

[data-theme="dark"] .user-profile-widget {
    background-color: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .user-profile-widget .profile-name {
    color: #f8fafc;
}

[data-theme="dark"] .profile-widget-wrapper {
    background-color: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .profile-widget-wrapper:hover {
    background-color: #273549;
    border-color: var(--primary);
}

[data-theme="dark"] .profile-dropdown {
    background-color: #111827;
    border-color: #1e293b;
    box-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .profile-dropdown-header {
    background-color: #0f172a;
}

[data-theme="dark"] .profile-dropdown-name {
    color: #f8fafc;
}

[data-theme="dark"] .profile-dropdown-username {
    color: #64748b;
}

[data-theme="dark"] .profile-dropdown-divider {
    background-color: #1e293b;
}

[data-theme="dark"] .profile-dropdown-item {
    color: #cbd5e1;
}

[data-theme="dark"] .profile-dropdown-item:hover {
    background-color: #1e293b;
    color: #60a5fa;
}


[data-theme="dark"] .card {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-main);
}

[data-theme="dark"] .card-header {
    border-bottom-color: var(--border-color);
    background-color: transparent !important;
}

[data-theme="dark"] .card-header h3 {
    color: #f8fafc;
}

[data-theme="dark"] .table th {
    background-color: #1e293b;
    border-bottom-color: #334155;
    color: #94a3b8;
}

[data-theme="dark"] .table td {
    border-bottom-color: #1e293b;
    color: #cbd5e1;
}

[data-theme="dark"] .table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .stat-box {
    background-color: #111827;
    border-color: #1e293b;
}

[data-theme="dark"] .stat-box-label {
    color: #94a3b8;
}

[data-theme="dark"] .stat-box-value {
    color: #f8fafc;
}

[data-theme="dark"] .user-cell-avatar {
    background: #1e293b;
    color: #93c5fd;
    border: 1px solid #334155;
}

[data-theme="dark"] .stat-icon-blue { background: rgba(59, 130, 246, 0.2); border: 1px solid rgba(59, 130, 246, 0.4); }
[data-theme="dark"] .stat-icon-green { background: rgba(16, 185, 129, 0.2); border: 1px solid rgba(16, 185, 129, 0.4); }
[data-theme="dark"] .stat-icon-orange { background: rgba(245, 158, 11, 0.2); border: 1px solid rgba(245, 158, 11, 0.4); }
[data-theme="dark"] .stat-icon-purple { background: rgba(139, 92, 246, 0.2); border: 1px solid rgba(139, 92, 246, 0.4); }

[data-theme="dark"] .stat-chip-blue { background: rgba(59, 130, 246, 0.15); color: #93c5fd; }
[data-theme="dark"] .stat-chip-green { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; }
[data-theme="dark"] .stat-chip-orange { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }
[data-theme="dark"] .stat-chip-purple { background: rgba(139, 92, 246, 0.15); color: #c4b5fd; }

[data-theme="dark"] .date-badge {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .date-badge-month {
    color: #94a3b8;
}

[data-theme="dark"] .date-badge-day {
    color: #f8fafc;
}

[data-theme="dark"] .ai-suggestion-card {
    background: #111827;
    border-color: #2563eb;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .ai-card-title {
    color: #f8fafc;
}

[data-theme="dark"] .ai-card-desc {
    color: #94a3b8;
}

[data-theme="dark"] .ai-sublink {
    background: #1e293b;
    color: #cbd5e1;
    border-color: #334155;
}

[data-theme="dark"] .ai-sublink:hover {
    background: #334155;
    color: #ffffff;
    border-color: #475569;
}

[data-theme="dark"] .topic-item-card {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .topic-item-card:hover {
    background: #273549;
    border-color: #3b82f6;
}

[data-theme="dark"] .topic-name-text {
    color: #f1f5f9;
}

[data-theme="dark"] .topic-empty-card {
    background: #1e293b;
    color: #94a3b8;
    border: 1px dashed #334155;
}

[data-theme="dark"] .ai-quota-box {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .hero-banner {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid #334155;
}

[data-theme="dark"] .hero-title {
    color: #f8fafc;
}

[data-theme="dark"] .hero-desc {
    color: #94a3b8;
}

[data-theme="dark"] .form-input-modern, 
[data-theme="dark"] .form-select-modern, 
[data-theme="dark"] .form-input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: #1e293b;
    border-color: #334155;
    color: #f8fafc;
}

[data-theme="dark"] .form-input-modern:focus, 
[data-theme="dark"] .form-select-modern:focus, 
[data-theme="dark"] .form-input:focus {
    background-color: #1e293b;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .form-select-modern:disabled, 
[data-theme="dark"] .form-input-modern:disabled {
    background-color: #0f172a;
    border-color: #1e293b;
    color: #64748b;
}

[data-theme="dark"] .insight-blue {
    background-color: rgba(37, 99, 235, 0.15);
    border-left-color: #3b82f6;
}

[data-theme="dark"] .insight-red {
    background-color: rgba(239, 68, 68, 0.15);
    border-left-color: #ef4444;
}

[data-theme="dark"] .insight-green {
    background-color: rgba(16, 185, 129, 0.15);
    border-left-color: #10b981;
}

[data-theme="dark"] .insight-title {
    color: #93c5fd;
}

[data-theme="dark"] .insight-text {
    color: #e2e8f0;
}

.quiz-option-card {
    padding: 14px 18px;
    border-radius: 14px;
    border: 1.5px solid var(--border-color);
    background-color: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.quiz-option-card.correct {
    border-color: #10b981;
    background-color: #ecfdf5;
}

.quiz-option-card .option-text {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.95rem;
}

.quiz-option-card.correct .option-text {
    color: #065f46;
}

[data-theme="dark"] .quiz-option-card {
    border-color: #334155;
    background-color: #1e293b;
}

[data-theme="dark"] .quiz-option-card.correct {
    border-color: #10b981;
    background-color: rgba(16, 185, 129, 0.18);
}

[data-theme="dark"] .quiz-option-card .option-text {
    color: #f1f5f9;
}

[data-theme="dark"] .quiz-option-card.correct .option-text {
    color: #34d399;
}

[data-theme="dark"] .teacher-select-container {
    background-color: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .teacher-select-card {
    color: #f8fafc;
}

[data-theme="dark"] .teacher-select-card:hover {
    background: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .form-card h3 {
    color: #f8fafc !important;
}

[data-theme="dark"] .btn-outline {
    background-color: #1e293b;
    border-color: #334155;
    color: #e2e8f0;
}

[data-theme="dark"] .btn-outline:hover {
    background-color: #334155;
    color: #ffffff;
    border-color: #475569;
}

[data-theme="dark"] .link-primary,
[data-theme="dark"] a.link-primary {
    color: #60a5fa;
}

[data-theme="dark"] .link-primary:hover {
    color: #93c5fd;
}

[data-theme="dark"] .badge-blue {
    background-color: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .badge-green {
    background-color: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .badge-purple {
    background-color: rgba(139, 92, 246, 0.15);
    color: #c4b5fd;
    border-color: rgba(139, 92, 246, 0.3);
}

[data-theme="dark"] .badge-soon {
    background-color: #1e293b;
    color: #94a3b8;
    border-color: #334155;
}

[data-theme="dark"] .btn-disabled {
    background-color: #1e293b !important;
    border-color: #334155 !important;
    color: #64748b !important;
}

[data-theme="dark"] .card-disabled {
    background-color: #0f172a;
    border-color: #1e293b;
}

[data-theme="dark"] .drop-zone {
    background-color: #111827;
    border-color: #334155;
}

[data-theme="dark"] .drop-zone:hover, 
[data-theme="dark"] .drop-zone.dragover {
    background-color: rgba(37, 99, 235, 0.08);
    border-color: var(--primary);
}

[data-theme="dark"] .progress-bar-bg {
    background-color: #1e293b;
}

[data-theme="dark"] .alert-info {
    background-color: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.3);
    color: #93c5fd;
}

[data-theme="dark"] .insight-blue {
    background-color: rgba(37, 99, 235, 0.12);
    border-left-color: #3b82f6;
}

[data-theme="dark"] .insight-red {
    background-color: rgba(239, 68, 68, 0.12);
    border-left-color: #ef4444;
}

[data-theme="dark"] .insight-green {
    background-color: rgba(16, 185, 129, 0.12);
    border-left-color: #10b981;
}

[data-theme="dark"] .insight-title {
    color: #f8fafc;
}

[data-theme="dark"] .insight-text {
    color: #cbd5e1;
}

[data-theme="dark"] code {
    background-color: #1e293b;
    color: #93c5fd;
    border-color: #334155;
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */
.messages-container {
    margin-bottom: 24px;
}

.alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.92rem;
    border: 1px solid transparent;
}

.alert-success { background: var(--success-light); border-color: var(--success-border); color: #065f46; }
.alert-error, .alert-danger { background: var(--danger-light); border-color: var(--danger-border); color: #991b1b; }
.alert-warning { background: var(--warning-light); border-color: var(--warning-border); color: #92400e; }
.alert-info { background: var(--primary-light); border-color: #bfdbfe; color: #1e40af; }

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
}

.alert-close:hover { opacity: 1; }

.flex-gap { display: flex; align-items: center; gap: 10px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* Desktop Default Visibility Rules */
.sidebar-theme-switch-container {
    display: none !important; /* Hidden on desktop */
}

.topbar-theme-btn {
    display: flex !important; /* Visible on desktop */
}

.sidebar-close-btn {
    display: none !important; /* Hidden on desktop */
}

.desktop-only {
    display: flex !important;
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */
@media (max-width: 1024px) {
    /* Theme Toggle Switch vs Topbar Button */
    .sidebar-theme-switch-container {
        display: flex !important; /* Visible inside sidebar on mobile/tablet */
    }

    .topbar-theme-btn {
        display: flex !important; /* Visible on topbar on mobile and desktop! */
    }

    /* Topbar Profile on Mobile: only Avatar icon, hide text */
    .desktop-only {
        display: none !important;
    }

    .profile-widget-wrapper {
        padding: 2px !important;
        background: transparent !important;
        border-color: transparent !important;
        gap: 0 !important;
        box-shadow: none !important;
    }

    .profile-widget-wrapper:hover {
        background: transparent !important;
    }

    .profile-dropdown {
        right: 0 !important;
        min-width: 260px !important;
    }

    /* Mobile Sidebar Drawer */
    .sidebar {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        bottom: 0 !important;
        height: 100vh !important;
        width: 280px !important;
        z-index: 1001 !important;
        transform: translateX(-100%) !important;
        box-shadow: none;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }

    .sidebar.sidebar-open {
        transform: translateX(0) !important;
        box-shadow: 10px 0 40px rgba(0, 0, 0, 0.7) !important;
    }

    .sidebar-close-btn {
        display: none !important;
    }

    .sidebar.sidebar-open .sidebar-close-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }

    .main-content {
        margin-left: 0 !important;
    }

    .sidebar-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 12px;
        border: 1.5px solid var(--border-color);
        background-color: var(--bg-card);
        color: var(--text-main);
        cursor: pointer;
        padding: 0;
        flex-shrink: 0;
        box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
    }

    .dashboard-2col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* Tables on Mobile: hide status & actions column, optimize user cell */
    .mobile-hidden {
        display: none !important;
    }

    .table th, .table td {
        padding: 10px 8px !important;
        font-size: 0.82rem !important;
    }

    .user-cell {
        gap: 8px !important;
    }

    .user-cell-avatar {
        width: 32px !important;
        height: 32px !important;
        font-size: 0.8rem !important;
    }
}

@media (max-width: 640px) {
    .topbar {
        padding: 0 12px;
        gap: 8px;
    }

    .topbar-right {
        gap: 8px;
        min-width: 0;
    }

    .topbar-search {
        display: none;
    }

    .hero-banner {
        flex-direction: column;
        text-align: center;
        padding: 20px 14px;
        align-items: stretch;
    }

    .hero-content {
        width: 100%;
        max-width: 100%;
    }

    .hero-title {
        font-size: 1.55rem;
        line-height: 1.25;
        margin-bottom: 10px;
    }

    .hero-desc {
        font-size: 0.92rem;
        line-height: 1.5;
        margin-bottom: 16px;
    }

    .hero-actions, .teacher-hero-actions {
        flex-direction: column !important;
        width: 100% !important;
        gap: 10px !important;
    }

    .hero-actions .btn,
    .hero-actions a.btn,
    .teacher-hero-actions .btn,
    .teacher-hero-actions a.btn,
    .teacher-hero-btn {
        width: 100% !important;
        max-width: 100% !important;
        flex: 1 1 100% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        padding: 12px 14px !important;
        font-size: 13.5px !important;
        line-height: 1.35 !important;
        white-space: normal !important;
        border-radius: 12px !important;
        box-sizing: border-box !important;
    }

    .hero-visual, .teacher-hero-banner .hero-visual {
        display: none !important;
    }

    .content-wrapper {
        padding: 10px 8px !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }

    .director-main-grid {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        gap: 1.25rem !important;
    }
    .director-main-grid > div {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
    }
}

/* ==========================================================================
   Responsive Utilities for Dashboard & Admin Lists
   ========================================================================== */
.director-stats-grid {
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.director-main-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.card-search-filter {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card-subtle);
    box-sizing: border-box;
}

@media (max-width: 1024px) {
    .director-main-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }
}

@media (max-width: 768px) {
    .director-stats-grid {
        grid-template-columns: 1fr !important;
        gap: 0.85rem !important;
        margin-bottom: 1.25rem !important;
    }
    .content-wrapper {
        padding: 12px 10px !important;
    }
}

@media (max-width: 640px) {
    .card-header {
        padding: 14px 12px !important;
    }
    .card-header.flex-between {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
    }
    .card-header .flex-gap {
        width: 100% !important;
        display: flex !important;
        flex-wrap: wrap !important;
        align-items: center !important;
        gap: 8px !important;
    }
    .card-header .flex-gap .btn,
    .card-header .flex-gap a.btn {
        flex: 1 1 auto !important;
        text-align: center !important;
        justify-content: center !important;
        white-space: normal !important;
    }
    .card-header form {
        width: 100% !important;
        max-width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 8px !important;
    }
    .card-header form input,
    .card-header form select,
    .card-header form button {
        width: 100% !important;
        max-width: 100% !important;
        flex: 1 1 100% !important;
    }
    .card-search-filter {
        padding: 12px 10px !important;
    }
    .card-search-filter form {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
    }
    .card-search-filter form > div {
        min-width: 0 !important;
        width: 100% !important;
        flex: 1 1 100% !important;
    }
    .card-search-filter .flex-gap {
        width: 100% !important;
        display: flex !important;
        gap: 8px !important;
    }
    .card-search-filter .flex-gap .btn,
    .card-search-filter .flex-gap a.btn {
        flex: 1 !important;
        text-align: center !important;
        justify-content: center !important;
    }
}