/**
 * AITS College MCQ Exam Server - Transparent Glassmorphic & High-Contrast Dual Theme
 * Full Dark Mode & Crisp Light Mode with Flawless Contrast
 */

:root {
    /* Glassmorphic Dark Base (Default) */
    --bg-main: #0A1128;
    --bg-surface: rgba(16, 28, 58, 0.65);
    --bg-surface-elevated: rgba(23, 38, 76, 0.75);
    --bg-glass: rgba(10, 17, 40, 0.78);
    --bg-glass-card: rgba(16, 28, 58, 0.65);
    --border-color: rgba(255, 255, 255, 0.12);
    --border-top-highlight: rgba(255, 255, 255, 0.24);
    --border-hover: rgba(0, 163, 224, 0.5);
    --border-focus: #00A3E0;

    /* AITS Radiant Brand Colors */
    --brand-primary: #2563EB;
    --brand-primary-hover: #1D4ED8;
    --brand-primary-light: rgba(37, 99, 235, 0.2);
    --brand-cyan: #00A3E0;
    --brand-cyan-hover: #38BDF8;
    --brand-cyan-light: rgba(0, 163, 224, 0.2);
    --brand-cyan-glow: rgba(0, 163, 224, 0.35);
    --brand-gold: #F59E0B;
    --brand-gold-light: rgba(245, 158, 11, 0.2);

    /* Semantic Feedback */
    --success: #10B981;
    --success-light: rgba(16, 185, 129, 0.18);
    --warning: #F59E0B;
    --warning-light: rgba(245, 158, 11, 0.18);
    --danger: #EF4444;
    --danger-light: rgba(239, 68, 68, 0.18);
    --info: #00A3E0;

    /* High-Contrast Luminous Typography */
    --text-main: #FFFFFF;
    --text-muted: #CBD5E1;
    --text-dim: #94A3B8;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Glass Shadows & Radii */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 45px rgba(0, 0, 0, 0.45);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    --shadow-glow: 0 0 25px rgba(0, 163, 224, 0.3);

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================
   LIGHT MODE (High Contrast, Crisp & Pure)
   ========================================================== */
[data-theme="light"] {
    --bg-main: #F4F7FB;
    --bg-surface: #FFFFFF;
    --bg-surface-elevated: #F8FAFC;
    --bg-glass: rgba(255, 255, 255, 0.95);
    --bg-glass-card: #FFFFFF;
    --border-color: #E2E8F0;
    --border-top-highlight: #FFFFFF;
    --border-hover: #93C5FD;
    --border-focus: #1E5CD9;

    --brand-primary: #1E5CD9;
    --brand-primary-hover: #1647AF;
    --brand-primary-light: #EFF6FF;
    --brand-cyan: #0080C0;
    --brand-cyan-hover: #006AA0;
    --brand-cyan-light: #E0F2FE;
    --brand-cyan-glow: rgba(30, 92, 217, 0.15);

    --text-main: #0F172A;
    --text-muted: #475569;
    --text-dim: #64748B;

    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.12);
    --shadow-glass: 0 2px 12px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] body {
    background-color: #F4F7FB !important;
    background-image: 
        radial-gradient(circle at 10% 15%, rgba(30, 92, 217, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(0, 163, 224, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 50% 85%, rgba(30, 92, 217, 0.05) 0%, transparent 55%) !important;
    color: #0F172A;
}

[data-theme="light"] h1, 
[data-theme="light"] h2, 
[data-theme="light"] h3, 
[data-theme="light"] h4, 
[data-theme="light"] h5, 
[data-theme="light"] h6 {
    color: #0F172A;
}

[data-theme="light"] .main-navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: #E2E8F0;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
}

[data-theme="light"] .brand-title {
    color: #0F172A;
    text-shadow: none;
}

[data-theme="light"] .nav-link {
    color: #475569;
}
[data-theme="light"] .nav-link:hover {
    color: #1E5CD9;
    background: #EFF6FF;
}
[data-theme="light"] .nav-link.active {
    color: #FFFFFF !important;
    background: linear-gradient(135deg, #1E5CD9, #0284C7);
}

[data-theme="light"] .theme-toggle-btn {
    background: #F1F5F9;
    border-color: #CBD5E1;
    color: #475569;
}
[data-theme="light"] .theme-toggle-btn:hover {
    background: #E2E8F0;
    color: #0F172A;
}

[data-theme="light"] .user-dropdown-btn {
    background: #FFFFFF;
    border-color: #CBD5E1;
}
[data-theme="light"] .user-name {
    color: #0F172A;
}
[data-theme="light"] .user-dropdown-menu {
    background: #FFFFFF;
    border-color: #E2E8F0;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.12);
}
[data-theme="light"] .dropdown-name {
    color: #0F172A;
}
[data-theme="light"] .dropdown-meta {
    color: #64748B;
}
[data-theme="light"] .dropdown-item {
    color: #0F172A;
}
[data-theme="light"] .dropdown-item:hover {
    background: #F1F5F9;
}
[data-theme="light"] .dropdown-divider {
    background: #E2E8F0;
}

[data-theme="light"] .card {
    background: #FFFFFF;
    border-color: #E2E8F0;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
}
[data-theme="light"] .card:hover {
    border-color: #CBD5E1;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}
[data-theme="light"] .card-header {
    border-bottom-color: #F1F5F9;
}
[data-theme="light"] .card-title {
    color: #0F172A;
}

[data-theme="light"] .stat-card {
    background: #FFFFFF;
}
[data-theme="light"] .stat-value {
    color: #0F172A;
}
[data-theme="light"] .stat-label {
    color: #64748B;
}
[data-theme="light"] .stat-icon.primary { background: #EFF6FF; color: #1E5CD9; border-color: #BFDBFE; }
[data-theme="light"] .stat-icon.accent  { background: #E0F2FE; color: #0284C7; border-color: #BAE6FD; }
[data-theme="light"] .stat-icon.success { background: #DCFCE7; color: #16A34A; border-color: #BBF7D0; }
[data-theme="light"] .stat-icon.warning { background: #FEF3C7; color: #D97706; border-color: #FDE68A; }
[data-theme="light"] .stat-icon.danger  { background: #FEE2E2; color: #DC2626; border-color: #FECACA; }

[data-theme="light"] .form-control,
[data-theme="light"] .form-select {
    background: #FFFFFF;
    border-color: #CBD5E1;
    color: #0F172A;
}
[data-theme="light"] .form-control:focus,
[data-theme="light"] .form-select:focus {
    background: #FFFFFF;
    border-color: #1E5CD9;
    box-shadow: 0 0 0 3px rgba(30, 92, 217, 0.15);
}
[data-theme="light"] .form-label {
    color: #0F172A;
}
[data-theme="light"] .form-text {
    color: #64748B;
}

[data-theme="light"] .table th {
    background: #F8FAFC;
    color: #475569;
    border-bottom: 2px solid #E2E8F0;
}
[data-theme="light"] .table td {
    color: #0F172A;
    border-bottom-color: #F1F5F9;
}
[data-theme="light"] .table tr:hover td {
    background-color: #F8FAFC;
}

[data-theme="light"] .badge-primary {
    background: #EFF6FF;
    color: #1E5CD9;
    border: 1px solid #BFDBFE;
}
[data-theme="light"] .badge-live {
    background: #DCFCE7;
    color: #15803D;
    border: 1px solid #86EFAC;
}
[data-theme="light"] .badge-upcoming {
    background: #FEF3C7;
    color: #B45309;
    border: 1px solid #FDE68A;
}
[data-theme="light"] .badge-expired {
    background: #F1F5F9;
    color: #64748B;
    border: 1px solid #CBD5E1;
}

[data-theme="light"] .btn-outline-primary {
    background: #FFFFFF;
    border: 1.5px solid #1E5CD9;
    color: #1E5CD9 !important;
}
[data-theme="light"] .btn-outline-primary:hover {
    background: #EFF6FF;
    color: #1647AF !important;
}

[data-theme="light"] .hero-card {
    background: linear-gradient(135deg, #1E5CD9 0%, #0284C7 100%);
    box-shadow: 0 8px 24px rgba(30, 92, 217, 0.2);
}
[data-theme="light"] .hero-card .hero-highlight {
    color: #FEF08A !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
[data-theme="light"] .hero-card .badge-primary {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.35);
}

[data-theme="light"] .main-footer {
    background: #FFFFFF;
    border-top-color: #E2E8F0;
}
[data-theme="light"] .footer-brand {
    color: #0F172A;
}
[data-theme="light"] .footer-copy {
    color: #64748B;
}
[data-theme="light"] .btn-footer-phone {
    background: #F1F5F9;
    border-color: #CBD5E1;
    color: #0F172A;
}
[data-theme="light"] .btn-footer-phone:hover {
    background: #EFF6FF;
    border-color: #1E5CD9;
    color: #1E5CD9;
}
[data-theme="light"] .contact-modal-dialog {
    background: #FFFFFF;
    border-color: #E2E8F0;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.2);
    color: #0F172A;
}
[data-theme="light"] .contact-modal-header {
    border-bottom-color: #E2E8F0;
}
[data-theme="light"] .contact-phone-display {
    background: #EFF6FF;
    border-color: #BFDBFE;
    color: #1E5CD9;
}

/* ==========================================================
   CSS Reset & Ambient Mesh Background
   ========================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--bg-main) !important;
    background-image: 
        radial-gradient(circle at 10% 15%, rgba(0, 163, 224, 0.22) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(37, 99, 235, 0.25) 0%, transparent 45%),
        radial-gradient(circle at 50% 85%, rgba(2, 132, 199, 0.2) 0%, transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(30, 58, 138, 0.25) 0%, transparent 50%);
    background-attachment: fixed;
    background-size: cover;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(22px, 4vw, 30px); }
h2 { font-size: clamp(18px, 3vw, 23px); }
h3 { font-size: clamp(16px, 2.5vw, 19px); }
h4 { font-size: 15.5px; }

a {
    color: var(--brand-cyan);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--brand-cyan-hover);
}

/* ==========================================================
   Layout Containers & Grids
   ========================================================== */
.container {
    width: 100%;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 16px;
}

.app-main-content {
    flex: 1;
    padding: 24px 0 50px;
}

.grid {
    display: grid;
    gap: 18px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
    .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Display & Responsive Visibility Utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }

@media (min-width: 576px) {
    .d-sm-none { display: none !important; }
    .d-sm-block { display: block !important; }
    .d-sm-flex { display: flex !important; }
    .d-sm-inline-flex { display: inline-flex !important; }
}

@media (min-width: 768px) {
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }
    .d-md-flex { display: flex !important; }
    .d-md-inline-flex { display: inline-flex !important; }
}

@media (min-width: 993px) {
    .d-lg-none { display: none !important; }
    .d-lg-block { display: block !important; }
    .d-lg-flex { display: flex !important; }
    .d-lg-inline-flex { display: inline-flex !important; }

    /* Desktop Navbar Strict Layout */
    .mobile-menu-toggle { display: none !important; }
    .mobile-nav-footer { display: none !important; }
    .nav-menu {
        position: static !important;
        width: auto !important;
        height: auto !important;
        background: transparent !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        gap: 6px !important;
        overflow: visible !important;
        box-shadow: none !important;
        animation: none !important;
    }
    .nav-link {
        padding: 8px 14px !important;
        font-size: 13.5px !important;
        background: transparent !important;
        border: 1px solid transparent !important;
    }
    .nav-link:hover {
        background: rgba(255, 255, 255, 0.08) !important;
    }
    .nav-link.active {
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(0, 163, 224, 0.9)) !important;
        border: 1px solid rgba(255, 255, 255, 0.25) !important;
    }
}

.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-fill { flex: 1 1 auto; }
.gap-1 { gap: 6px; }
.gap-2 { gap: 12px; }
.gap-3 { gap: 18px; }
.gap-4 { gap: 24px; }

.me-1 { margin-right: 4px; }
.me-2 { margin-right: 8px; }
.me-3 { margin-right: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.p-2 { padding: 10px; }
.p-3 { padding: 16px; }
.p-4 { padding: 24px; }

.w-100 { width: 100%; }
@media (max-width: 640px) {
    .w-100-sm { width: 100% !important; }
}
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted) !important; }
.text-dim { color: var(--text-dim) !important; }
.text-primary { color: var(--brand-cyan) !important; }
.text-accent { color: var(--brand-cyan) !important; }
.text-success { color: #34D399 !important; }
.text-warning { color: #FBBF24 !important; }
.text-danger { color: #F87171 !important; }
.font-weight-bold { font-weight: 700; }
.small { font-size: 12.5px; }

/* ==========================================================
   Frosted Glass Header & Navigation
   ========================================================== */
.impersonation-bar {
    background: linear-gradient(90deg, rgba(146, 64, 14, 0.95), rgba(217, 119, 6, 0.95));
    backdrop-filter: blur(12px);
    color: #ffffff;
    padding: 8px 0;
    font-size: 13.5px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.main-navbar {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 990;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.navbar-container {
    max-width: 1220px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
    filter: drop-shadow(0 2px 8px rgba(0, 163, 224, 0.4));
}

.brand-badge {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 17.5px;
    color: #FFFFFF;
    letter-spacing: 0.5px;
    line-height: 1.1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.brand-title span { color: var(--brand-cyan); }

.brand-subtitle {
    font-size: 9.5px;
    letter-spacing: 1.2px;
    color: var(--brand-cyan);
    font-weight: 700;
    opacity: 0.9;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    color: var(--text-muted);
    font-size: 13.5px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 7px;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
    color: #ffffff !important;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(0, 163, 224, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 15px rgba(0, 163, 224, 0.35);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-toggle-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: all var(--transition-fast);
}
.theme-toggle-btn:hover {
    color: var(--brand-gold);
    border-color: var(--brand-gold);
    background: rgba(245, 158, 11, 0.12);
}

/* User Profile Pill */
.user-dropdown { position: relative; }

.user-dropdown-btn {
    background: rgba(16, 28, 58, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 3px 12px 3px 3px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.user-dropdown-btn:hover {
    border-color: var(--brand-cyan);
    box-shadow: 0 0 12px var(--brand-cyan-glow);
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-info-text {
    display: flex;
    flex-direction: column;
    text-align: left;
    line-height: 1.2;
}

.user-name {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-main);
    max-width: 110px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role-badge {
    font-size: 8.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 1px 5px;
    border-radius: 3px;
    width: fit-content;
}
.user-role-badge.role-student { background: rgba(0, 163, 224, 0.25); color: #38BDF8; border: 1px solid rgba(0, 163, 224, 0.4); }
.user-role-badge.role-teacher { background: rgba(245, 158, 11, 0.25); color: #FBBF24; border: 1px solid rgba(245, 158, 11, 0.4); }
.user-role-badge.role-admin   { background: rgba(239, 68, 68, 0.25); color: #F87171; border: 1px solid rgba(239, 68, 68, 0.4); }

.dropdown-arrow { font-size: 10px; color: var(--text-muted); }

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 220px;
    background: rgba(16, 28, 58, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    display: none;
    z-index: 1000;
    animation: fadeInSlide 0.2s ease forwards;
}
.user-dropdown-menu.show { display: block; }

.dropdown-header { padding: 6px 8px; }
.dropdown-name { font-weight: 700; font-size: 13.5px; color: var(--text-main); }
.dropdown-meta { font-size: 11.5px; color: var(--text-muted); }
.dropdown-divider { height: 1px; background: var(--border-color); margin: 6px 0; }
.dropdown-item {
    display: flex;
    align-items: center;
    padding: 7px 8px;
    color: var(--text-main);
    font-size: 13px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.dropdown-item:hover { background: rgba(255, 255, 255, 0.08); }

.mobile-menu-toggle {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 19px;
    cursor: pointer;
    padding: 6px;
}

/* ==========================================================
   Frosted Glass Cards (The Transparent Experience)
   ========================================================== */
.card {
    background: var(--bg-glass-card);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    border: 1px solid var(--border-color);
    border-top: 1px solid var(--border-top-highlight);
    border-radius: var(--radius-md);
    padding: 22px;
    box-shadow: var(--shadow-glass);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
    border-color: rgba(0, 163, 224, 0.4);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4), 0 0 15px rgba(0, 163, 224, 0.15);
}

.card-interactive:hover {
    transform: translateY(-3px);
    border-color: var(--brand-cyan);
    box-shadow: 0 16px 44px rgba(0, 163, 224, 0.25);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 16.5px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Hero Welcome Banner (Deep Glassmorphic Aurora) */
.hero-card {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.28) 0%, rgba(0, 163, 224, 0.16) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(0, 163, 224, 0.35);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    margin-bottom: 24px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 25px rgba(0, 163, 224, 0.15);
    position: relative;
    overflow: hidden;
}
.hero-card h1, .hero-card h2, .hero-card .brand-title {
    color: #FFFFFF !important;
}
.hero-card .hero-highlight {
    color: #38BDF8 !important;
    text-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}
.hero-card .hero-subtitle {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 15.5px;
    max-width: 620px;
    margin: 0 auto;
}
.hero-card .badge-primary {
    background: rgba(0, 163, 224, 0.22);
    color: #38BDF8;
    border: 1px solid rgba(0, 163, 224, 0.45);
}

/* Hero Action Buttons */
.btn-hero-primary {
    background: #FFFFFF !important;
    color: #1E5CD9 !important;
    font-weight: 700;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.btn-hero-primary:hover {
    background: #F0F9FF !important;
    color: #0C4A6E !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #FFFFFF !important;
    font-weight: 600;
    border: 1.5px solid rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(10px);
}
.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.28) !important;
    color: #FFFFFF !important;
    border-color: #FFFFFF !important;
    transform: translateY(-1px);
}

/* Stat Tiles */
.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px;
    background: var(--bg-surface);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 21px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
}
.stat-icon.primary { background: var(--brand-primary-light); color: #60A5FA; border-color: rgba(59, 130, 246, 0.3); }
.stat-icon.accent  { background: var(--brand-cyan-light); color: var(--brand-cyan); border-color: rgba(0, 163, 224, 0.3); }
.stat-icon.success { background: var(--success-light); color: #34D399; border-color: rgba(16, 185, 129, 0.3); }
.stat-icon.warning { background: var(--warning-light); color: #FBBF24; border-color: rgba(245, 158, 11, 0.3); }
.stat-icon.danger  { background: var(--danger-light); color: #F87171; border-color: rgba(239, 68, 68, 0.3); }

.stat-content {
    display: flex;
    flex-direction: column;
}
.stat-value {
    font-family: var(--font-heading);
    font-size: 25px;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.1;
}
.stat-label {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ==========================================================
   Luminous Buttons & Action Controls
   ========================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.35;
    min-height: 40px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: linear-gradient(135deg, #2563EB, #00A3E0);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 18px rgba(0, 163, 224, 0.35);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #1D4ED8, #0284C7);
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 22px rgba(0, 163, 224, 0.5);
}

.btn-accent {
    background: linear-gradient(135deg, #00A3E0, #0284C7);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 18px rgba(0, 163, 224, 0.35);
}
.btn-accent:hover {
    background: linear-gradient(135deg, #0284C7, #0369A1);
    color: #ffffff !important;
    transform: translateY(-1px);
}

.btn-outline-primary {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1.5px solid var(--brand-cyan);
    color: var(--brand-cyan) !important;
}
.btn-outline-primary:hover {
    background: var(--brand-cyan-light);
    color: #ffffff !important;
    box-shadow: 0 0 15px var(--brand-cyan-glow);
}

.btn-success { background: var(--success); color: #ffffff !important; border: 1px solid rgba(255, 255, 255, 0.2); }
.btn-success:hover { background: #059669; color: #ffffff !important; }
.btn-danger { background: var(--danger); color: #ffffff !important; border: 1px solid rgba(255, 255, 255, 0.2); }
.btn-danger:hover { background: #DC2626; color: #ffffff !important; }
.btn-warning { background: var(--brand-gold); color: #000 !important; font-weight: 700; }
.btn-warning:hover { background: #D97706; }

.btn-outline-danger {
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid var(--danger);
    color: var(--danger) !important;
}
.btn-outline-danger:hover {
    background: var(--danger-light);
    color: #ffffff !important;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    min-height: 32px;
    border-radius: 7px;
}
.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
    min-height: 44px;
    border-radius: var(--radius-md);
}

/* ==========================================================
   Badges & Glowing Indicators
   ========================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    font-size: 11.5px;
    font-weight: 600;
    border-radius: var(--radius-full);
    backdrop-filter: blur(8px);
}
.badge-live {
    background: rgba(16, 185, 129, 0.2);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.5);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}
.badge-upcoming {
    background: rgba(245, 158, 11, 0.2);
    color: #FBBF24;
    border: 1px solid rgba(245, 158, 11, 0.5);
}
.badge-expired {
    background: rgba(100, 116, 139, 0.2);
    color: #94A3B8;
    border: 1px solid rgba(100, 116, 139, 0.4);
}
.badge-primary {
    background: var(--brand-cyan-light);
    color: var(--brand-cyan);
    border: 1px solid rgba(0, 163, 224, 0.4);
}
.badge-success { background: var(--success-light); color: #34D399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-danger  { background: var(--danger-light); color: #F87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-warning { background: var(--warning-light); color: #FBBF24; border: 1px solid rgba(245, 158, 11, 0.3); }

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
    animation: pulseAnimation 1.5s infinite;
}
@keyframes pulseAnimation {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.8); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ==========================================================
   Translucent Form Controls
   ========================================================== */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #F1F5F9;
}
.form-control, .form-select {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-body);
    font-size: 14px;
    background: rgba(10, 18, 38, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #FFFFFF;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    min-height: 42px;
}
.form-control::placeholder {
    color: #64748B;
}
.form-control:focus, .form-select:focus {
    background: rgba(16, 28, 58, 0.85);
    border-color: var(--border-focus);
    box-shadow: 0 0 16px var(--brand-cyan-glow);
}
.form-text { font-size: 11.5px; color: var(--text-muted); margin-top: 4px; }

/* ==========================================================
   Tables & Lists (Auto-Fit & Responsive)
   ========================================================== */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 163, 224, 0.3) transparent;
}
.table-responsive::-webkit-scrollbar {
    height: 4px;
}
.table-responsive::-webkit-scrollbar-track {
    background: transparent;
}
.table-responsive::-webkit-scrollbar-thumb {
    background: rgba(0, 163, 224, 0.35);
    border-radius: 4px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
    white-space: normal;
    table-layout: auto;
}
.table th {
    background: rgba(10, 18, 40, 0.6);
    color: var(--text-muted);
    font-weight: 700;
    padding: 10px 10px;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.table td {
    padding: 10px 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
    word-break: break-word;
}
.table tr:hover td {
    background-color: rgba(255, 255, 255, 0.04);
}
.text-nowrap {
    white-space: nowrap !important;
}
.table-compact th, .table-compact td {
    padding: 8px 8px;
}

/* ==========================================================
   Alerts & Notifications
   ========================================================== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid transparent;
    backdrop-filter: blur(12px);
}
.alert-success { background: var(--success-light); border-color: rgba(16, 185, 129, 0.4); color: #34D399; }
.alert-danger  { background: var(--danger-light);  border-color: rgba(239, 68, 68, 0.4);  color: #F87171; }
.alert-warning { background: var(--warning-light); border-color: rgba(245, 158, 11, 0.4); color: #FBBF24; }
.alert-info    { background: var(--brand-cyan-light); border-color: rgba(0, 163, 224, 0.4); color: #38BDF8; }

.btn-close {
    background: transparent;
    border: none;
    color: inherit;
    font-size: 16px;
    cursor: pointer;
    opacity: 0.7;
    padding: 4px;
}
.btn-close:hover { opacity: 1; }

/* ==========================================================
   Footer (Centered & Refined)
   ========================================================== */
.main-footer {
    background: rgba(10, 17, 40, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    margin-top: auto;
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
}

.footer-brand {
    font-size: 14px;
    color: #FFFFFF;
    margin-bottom: 3px;
}
.footer-copy { color: var(--text-muted); font-size: 12.5px; }

.btn-footer-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 163, 224, 0.35);
    color: #FFFFFF;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
    margin-top: 6px;
}
.btn-footer-phone:hover {
    background: rgba(0, 163, 224, 0.15);
    border-color: #00A3E0;
    color: #38BDF8;
    box-shadow: 0 0 15px rgba(0, 163, 224, 0.3);
    transform: translateY(-1px);
}

/* ==========================================================
   Contact Choice Modal (Direct Call / WhatsApp)
   ========================================================== */
.contact-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 10, 25, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    z-index: 9999;
    animation: fadeIn 0.2s ease forwards;
}

.contact-modal-dialog {
    background: rgba(16, 28, 58, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: 24px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 163, 224, 0.2);
    animation: zoomIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.contact-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.btn-close-modal {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color var(--transition-fast);
}
.btn-close-modal:hover { color: #FFFFFF; }

.contact-phone-display {
    background: rgba(0, 163, 224, 0.1);
    border: 1px solid rgba(0, 163, 224, 0.3);
    border-radius: var(--radius-sm);
    padding: 10px;
    text-align: center;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: #38BDF8;
    letter-spacing: 0.5px;
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ==========================================================
   Mobile-First Responsiveness & Navigation Drawer
   ========================================================== */
@media (max-width: 992px) {
    .navbar-container {
        padding: 8px 12px;
    }
    .brand-logo-img {
        height: 34px;
    }
    .brand-title {
        font-size: 15px;
    }
    .brand-subtitle {
        font-size: 8px;
        letter-spacing: 0.6px;
    }
    .nav-actions {
        gap: 6px;
    }
    .user-dropdown-btn {
        padding: 0;
        border: none;
        background: transparent;
    }
    .user-dropdown-btn .dropdown-arrow,
    .user-dropdown-btn .user-info-text {
        display: none !important;
    }
    .user-avatar {
        width: 34px;
        height: 34px;
        font-size: 13px;
        box-shadow: 0 0 10px rgba(0, 163, 224, 0.35);
    }
    .theme-toggle-btn {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }
    .mobile-menu-toggle {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: #FFFFFF;
        font-size: 16px;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .mobile-menu-toggle:active {
        background: var(--brand-cyan-light);
        color: var(--brand-cyan);
    }

    /* Full-Screen Mobile Navigation Overlay Drawer */
    .nav-menu {
        position: fixed;
        top: 54px;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: calc(100vh - 54px);
        background: rgba(6, 11, 26, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        padding: 20px 16px 40px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        overflow-y: auto;
        z-index: 99999;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
        animation: mobileDrawerIn 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    .nav-menu.mobile-open {
        display: flex !important;
    }
    .nav-link {
        padding: 13px 16px;
        font-size: 15px;
        font-weight: 600;
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.05);
        color: var(--text-main);
    }
    .nav-link.active {
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(0, 163, 224, 0.95));
        color: #ffffff !important;
        border-color: rgba(255, 255, 255, 0.25);
    }
    .mobile-nav-footer {
        margin-top: auto;
        border-top: 1px solid var(--border-color);
        padding-top: 16px;
    }
}

[data-theme="light"] .nav-menu {
    background: rgba(248, 250, 252, 0.98);
}
[data-theme="light"] .mobile-menu-toggle {
    color: #0F172A;
    background: rgba(0, 0, 0, 0.05);
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }
    .app-main-content {
        padding: 14px 0 32px;
    }
    .hero-card {
        padding: 18px 14px;
        margin-bottom: 14px;
        border-radius: var(--radius-md);
    }
    .hero-card h1 {
        font-size: 22px !important;
    }
    .hero-card .d-flex.align-items-center {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 14px;
    }
    .hero-card .d-flex.gap-2 {
        width: 100%;
        flex-direction: column;
        gap: 8px;
    }
    .hero-card .btn {
        width: 100%;
        justify-content: center;
    }
    .card {
        padding: 16px 12px;
        border-radius: var(--radius-md);
        margin-bottom: 14px;
    }
    .card-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 8px;
        margin-bottom: 12px;
        padding-bottom: 10px;
    }
    .card-title {
        font-size: 15.5px;
    }
    .stat-card {
        padding: 12px 10px;
        gap: 10px;
    }
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 17px;
    }
    .stat-value {
        font-size: 21px;
    }
    .stat-label {
        font-size: 11.5px;
    }
    .grid {
        gap: 12px;
    }
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr !important;
    }
    .btn {
        min-height: 44px;
        font-size: 14px;
    }
    .btn-sm {
        min-height: 36px;
        padding: 8px 12px;
        font-size: 12.5px;
    }
    .form-control, .form-select {
        min-height: 44px;
        font-size: 14.5px;
    }
    .contact-modal-dialog {
        width: 95% !important;
        max-width: 95vw !important;
        padding: 18px 14px;
        margin: 10px auto;
    }
    .score-hero-box {
        padding: 24px 14px;
    }
    .score-circle {
        width: 110px;
        height: 110px;
    }
    .score-percent {
        font-size: 26px;
    }
}