@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #16a34a;
    --primary-dark: #15803d;
    --primary-light: #22c55e;
    --accent: #10b981;
    --accent-light: #d1fae5;
    --danger: #dc2626;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1f2937;
    --darker: #111827;
    --light: #f9fafb;
    --lighter: #f3f4f6;
    --white: #ffffff;
    --gray: #6b7280;
    --gray-dark: #374151;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s ease;
    --font-sans: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.announcement-banner {
    background: linear-gradient(90deg, #16a34a, #15803d);
    color: white;
    padding: 10px 40px 10px 20px;
    position: relative;
    font-size: 14px;
    font-weight: 500;
    overflow: hidden;
    display: none;
}

.announcement-banner.active {
    display: block;
}

.announcement-content {
    display: inline-block;
    white-space: nowrap;
    animation: scroll-left 20s linear infinite;
    color: white;
    font-weight: 500;
}

@keyframes scroll-left {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

.announcement-close {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.8;
}

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.5);
}

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

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

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

.btn-danger:hover {
    background: #b91c1c;
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-sm);
}

/* Landing Page */
.landing-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #bbf7d0 100%);
    position: relative;
    overflow-x: hidden;
}

.landing-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(22, 163, 74, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(22, 163, 74, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    font-size: 28px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--gray-dark);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark);
    cursor: pointer;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 24px 60px;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--darker);
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-cards {
    position: relative;
    width: 400px;
    height: 400px;
}

.float-card {
    position: absolute;
    background: var(--white);
    padding: 20px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 600;
    color: var(--dark);
    animation: float 6s ease-in-out infinite;
}

.float-card i {
    font-size: 24px;
    color: var(--primary);
}

.float-card:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.float-card:nth-child(2) { top: 20%; right: 5%; animation-delay: 1s; }
.float-card:nth-child(3) { bottom: 30%; left: 5%; animation-delay: 2s; }
.float-card:nth-child(4) { bottom: 15%; right: 15%; animation-delay: 3s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.features {
    padding: 100px 24px;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--darker);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    background: var(--light);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 36px;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.7;
}

.about {
    padding: 100px 24px;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--darker);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.about-item {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.about-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.about-item i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 16px;
}

.about-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.about-item p {
    color: var(--gray);
    font-size: 14px;
}

.landing-footer {
    background: var(--darker);
    padding: 40px 24px;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-logo i {
    color: var(--primary-light);
}

.footer-content p {
    color: var(--gray);
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #bbf7d0 100%);
    padding: 24px;
}

.auth-container {
    width: 100%;
    max-width: 520px;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 48px 40px;
    animation: slideUp 0.5s ease;
}

.register-card {
    max-width: 700px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 24px;
    transition: var(--transition);
}

.back-home:hover {
    color: var(--primary);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.auth-logo i {
    font-size: 32px;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--gray);
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--gray-dark);
}

.auth-form label i {
    color: var(--primary);
    width: 16px;
}

.auth-form input,
.auth-form select,
.auth-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    background: var(--light);
}

.auth-form input:focus,
.auth-form select:focus,
.auth-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.1);
}

.auth-form input::placeholder {
    color: #9ca3af;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.password-input {
    position: relative;
}

.password-input input {
    padding-right: 50px;
}

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--primary);
}

.remember-me {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.remember-me label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 0;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.forgot-password {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.auth-footer p {
    color: var(--gray);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.form-section-title {
    font-weight: 600;
    color: var(--dark);
    margin: 24px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-section-title i {
    color: var(--primary);
}

.terms {
    margin-top: 24px;
}

.terms label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.terms input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.terms a {
    color: var(--primary);
    font-weight: 500;
}

/* Dashboard Layout */
.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    background: var(--light);
    min-height: 100vh;
}

.page-content {
    padding: 32px;
    padding-bottom: 50px;
}

.main-footer {
    margin-left: 280px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 30px 20px;
}

.sidebar {
    width: 280px;
    background: var(--white);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-close {
    display: none;
    background: var(--danger);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.sidebar-close:hover {
    background: var(--danger);
    opacity: 0.9;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.sidebar-logo i {
    font-size: 26px;
}

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

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
    padding: 8px 12px;
    margin-bottom: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    color: var(--gray-dark);
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    margin-bottom: 4px;
}

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

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.4);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.nav-item .badge {
    margin-left: auto;
    background: var(--danger);
    color: var(--white);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.nav-item.active .badge {
    background: var(--white);
    color: var(--primary);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--light);
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 16px;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    color: var(--dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 12px;
    color: var(--gray);
}

.logout-btn {
    width: 100%;
    background: var(--light);
    color: var(--gray-dark);
    border: 1px solid var(--border);
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    background: var(--light);
    min-height: 100vh;
}

.top-navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--dark);
    cursor: pointer;
}

.search-box {
    position: relative;
    width: 320px;
}

.search-box input {
    width: 100%;
    padding: 10px 16px 10px 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--light);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.navbar-icon-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    border: none;
    background: var(--light);
    color: var(--gray-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.navbar-icon-btn:hover {
    background: var(--accent-light);
    color: var(--primary);
}

.navbar-icon-btn .notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 10px;
    height: 10px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--white);
}

.school-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--light);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.school-selector:hover {
    background: var(--accent-light);
}

.school-selector i {
    color: var(--primary);
}

.school-selector span {
    font-weight: 500;
}

.navbar-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px 6px 6px;
    background: var(--light);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.navbar-profile:hover {
    background: var(--accent-light);
}

.navbar-profile .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
}

.navbar-profile .name {
    font-weight: 500;
    color: var(--dark);
}

.notification-container {
    position: relative;
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 360px;
    max-height: 480px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    z-index: 1000;
    display: none;
    overflow: hidden;
}

.notification-dropdown.show {
    display: block;
}

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

.notification-header h4 {
    margin: 0;
    font-size: 16px;
}

.notification-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-dropdown-item {
    display: flex;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s;
}

.notification-dropdown-item:hover {
    background: var(--light);
}

.notification-dropdown-item.unread {
    background: #f0f7ff;
}

.notification-dropdown-item.unread::before {
    content: '';
    position: absolute;
    left: 8px;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

.notification-dropdown-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-dropdown-icon.info {
    background: #e3f2fd;
    color: #1976d2;
}

.notification-dropdown-icon.success {
    background: #e8f5e9;
    color: #388e3c;
}

.notification-dropdown-icon.warning {
    background: #fff3e0;
    color: #f57c00;
}

.notification-dropdown-icon.error {
    background: #ffebee;
    color: #d32f2f;
}

.notification-dropdown-content {
    flex: 1;
    min-width: 0;
}

.notification-dropdown-content p {
    margin: 0;
    font-size: 14px;
    color: var(--dark);
}

.notification-dropdown-time {
    font-size: 12px;
    color: var(--gray);
    margin-top: 4px;
}

.notification-empty {
    padding: 40px;
    text-align: center;
    color: var(--gray);
}

/* Page Content */
.page-content {
    padding: 32px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.page-subtitle {
    color: var(--gray);
    margin-top: 4px;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i {
    color: var(--primary);
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.primary {
    background: var(--accent-light);
    color: var(--primary);
}

.stat-icon.info {
    background: #dbeafe;
    color: var(--info);
}

.stat-icon.warning {
    background: #fef3c7;
    color: var(--warning);
}

.stat-icon.danger {
    background: #fee2e2;
    color: var(--danger);
}

.stat-icon.success {
    background: var(--accent-light);
    color: var(--accent);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.stat-change {
    font-size: 13px;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-change.positive {
    color: var(--primary);
}

.stat-change.negative {
    color: var(--danger);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

.table th,
.table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-weight: 600;
    color: var(--gray-dark);
    background: var(--light);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--light);
}

.table .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
}

.table .avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.table .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.active {
    background: var(--accent-light);
    color: var(--primary);
}

.status-badge.inactive {
    background: #fee2e2;
    color: var(--danger);
}

.status-badge.pending {
    background: #fef3c7;
    color: var(--warning);
}

.table .actions {
    display: flex;
    gap: 8px;
}

.table .actions button {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--light);
    color: var(--gray-dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.table .actions button:hover {
    background: var(--accent-light);
    color: var(--primary);
}

.table .actions button.danger:hover {
    background: #fee2e2;
    color: var(--danger);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--gray-dark);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.1);
}

.form-control::placeholder {
    color: #9ca3af;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-lg {
    max-width: 800px;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--light);
    color: var(--gray-dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: #fee2e2;
    color: var(--danger);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 320px;
    max-width: 420px;
    animation: slideInRight 0.3s ease;
    border-left: 4px solid var(--primary);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-left-color: var(--primary);
}

.toast.error {
    border-left-color: var(--danger);
}

.toast.warning {
    border-left-color: var(--warning);
}

.toast.info {
    border-left-color: var(--info);
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    background: var(--accent-light);
    color: var(--primary);
}

.toast.error .toast-icon {
    background: #fee2e2;
    color: var(--danger);
}

.toast.warning .toast-icon {
    background: #fef3c7;
    color: var(--warning);
}

.toast.info .toast-icon {
    background: #dbeafe;
    color: var(--info);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 2px;
}

.toast-message {
    font-size: 14px;
    color: var(--gray);
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.toast-close:hover {
    color: var(--dark);
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.tab, .tab-btn {
    padding: 12px 20px;
    border: none;
    background: none;
    font-weight: 500;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    font-size: 14px;
    border-radius: var(--radius) var(--radius) 0 0;
}

.tab:hover, .tab-btn:hover {
    color: var(--primary);
    background: var(--light);
}

.tab.active, .tab-btn.active {
    color: var(--primary);
    background: var(--light);
}

.tab.active::after, .tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.tab-content {
    display: none;
}

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

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination button {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--gray-dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination button:hover:not(:disabled) {
    background: var(--accent-light);
    color: var(--primary);
    border-color: var(--primary);
}

.pagination button.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 64px;
    color: var(--border);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--gray);
    margin-bottom: 20px;
}

/* Loading */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

/* Chat Styles */
.chat-container {
    display: flex;
    height: calc(100vh - 140px);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.chat-sidebar {
    width: 320px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.chat-search {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.chat-search input {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--light);
}

.chat-search input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-list {
    flex: 1;
    overflow-y: auto;
}

.chat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
}

.chat-item:hover {
    background: var(--light);
}

.chat-item.active {
    background: var(--accent-light);
}

.chat-item-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.chat-item-avatar .chat-avatar-img,
.chat-item-avatar .chat-avatar-initials {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.chat-item-avatar .chat-avatar-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chat-avatar-initials.chat-avatar-large {
    font-size: 24px;
    font-weight: 700;
}

.chat-item-avatar .online-dot {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 2px solid var(--white);
}

.chat-item-info {
    flex: 1;
    min-width: 0;
}

.chat-item-name {
    font-weight: 600;
    color: var(--dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-item-preview {
    font-size: 13px;
    color: var(--gray);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-item-meta {
    text-align: right;
}

.chat-item-time {
    font-size: 12px;
    color: var(--gray);
}

.chat-item-badge {
    background: var(--danger);
    color: var(--white);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    margin-top: 4px;
    display: inline-block;
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
}

.chat-sidebar-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--danger);
    color: white;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.chat-back-btn {
    background: var(--primary);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-header-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
}

.chat-header-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.chat-header-info p {
    font-size: 13px;
    color: var(--gray);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    gap: 12px;
    max-width: 70%;
}

.message.sent {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.message-content {
    background: var(--light);
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    border-bottom-left-radius: 4px;
}

.message.sent .message-content {
    background: var(--primary);
    color: var(--white);
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: 4px;
}

.message-text {
    line-height: 1.5;
    word-wrap: break-word;
}

.message-time {
    font-size: 11px;
    color: var(--gray);
    margin-top: 4px;
}

.message.sent .message-time {
    color: rgba(255, 255, 255, 0.7);
}

.message-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.message-attachment {
    max-width: 200px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
}

.message-attachment img {
    width: 100%;
    height: auto;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: var(--light);
    border-radius: var(--radius-lg);
    width: fit-content;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--gray);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

.chat-input-area {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-input-area input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--light);
}

.chat-input-area input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-input-actions {
    display: flex;
    gap: 8px;
}

.chat-input-actions button {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--light);
    color: var(--gray-dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-input-actions button:hover {
    background: var(--accent-light);
    color: var(--primary);
}

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

.send-btn:hover {
    background: var(--primary-dark) !important;
}

/* QR Scanner */
.qr-scanner-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.qr-video {
    width: 100%;
    border-radius: var(--radius-lg);
    background: var(--dark);
}

.qr-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    border: 3px solid var(--primary);
    border-radius: var(--radius);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
}

.qr-overlay::before,
.qr-overlay::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    border: 4px solid var(--white);
}

.qr-overlay::before {
    top: -4px;
    left: -4px;
    border-right: none;
    border-bottom: none;
}

.qr-overlay::after {
    bottom: -4px;
    right: -4px;
    border-left: none;
    border-top: none;
}

.qr-scan-line {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--primary);
    animation: scanLine 2s ease-in-out infinite;
}

@keyframes scanLine {
    0%, 100% { top: 10%; }
    50% { top: 90%; }
}

/* ID Card */
.id-card {
    width: 324px;
    height: 204px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
}

.id-card-header {
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
}

.id-card-body {
    padding: 16px;
    display: flex;
    gap: 16px;
}

.id-card-photo {
    width: 80px;
    height: 100px;
    background: var(--light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.id-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.id-card-info {
    flex: 1;
}

.id-card-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.id-card-role {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.id-card-id {
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 4px;
}

.id-card-qr {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 60px;
    height: 60px;
}

.id-card-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 8px 16px;
    background: var(--light);
    font-size: 10px;
    color: var(--gray);
    display: flex;
    justify-content: space-between;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-success { color: var(--primary); }
.text-muted { color: var(--gray); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.flex { display: flex; }
.flex-between { justify-content: space-between; }
.flex-center { justify-content: center; }
.flex-align-center { align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* Dark Mode */
[data-theme="dark"] {
    --light: #1f2937;
    --lighter: #111827;
    --white: #1f2937;
    --border: #374151;
    --gray: #9ca3af;
    --gray-dark: #d1d5db;
    --dark: #f3f4f6;
    --darker: #ffffff;
}

[data-theme="dark"] body {
    background: #111827;
    color: #f3f4f6;
}

[data-theme="dark"] .landing-page {
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
}

[data-theme="dark"] .landing-nav {
    background: rgba(31, 41, 55, 0.8);
}

[data-theme="dark"] .hero-content h1,
[data-theme="dark"] .section-header h2,
[data-theme="dark"] .about-content h2 {
    color: #f9fafb;
}

[data-theme="dark"] .feature-card,
[data-theme="dark"] .about-item,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .card {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .float-card {
    background: #1f2937;
    color: #f3f4f6;
}

[data-theme="dark"] .sidebar {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .top-navbar,
[data-theme="dark"] .modal,
[data-theme="dark"] .chat-container {
    background: #1f2937;
    border-color: #374151;
}

[data-theme="dark"] .search-box input,
[data-theme="dark"] .form-control,
[data-theme="dark"] .chat-search input,
[data-theme="dark"] .chat-input-area input {
    background: #374151;
    border-color: #4b5563;
    color: #f3f4f6;
}

[data-theme="dark"] .table th {
    background: #374151;
}

[data-theme="dark"] .table tbody tr:hover {
    background: #374151;
}

[data-theme="dark"] .auth-card {
    background: #1f2937;
}

[data-theme="dark"] .auth-form label,
[data-theme="dark"] .card-title,
[data-theme="dark"] .stat-value,
[data-theme="dark"] .modal-title {
    color: #f3f4f6;
}

[data-theme="dark"] .nav-item,
[data-theme="dark"] .chat-item {
    color: #d1d5db;
}

[data-theme="dark"] .message-content {
    background: #374151;
    color: #f3f4f6;
}

/* Responsive */
@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chat-sidebar {
        width: 280px;
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1001;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    /* Sidebar overlay for mobile */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .main-footer {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .sidebar-close {
        display: flex;
    }
    
    .sidebar-header {
        padding: 16px;
    }
    
    .sidebar-logo span {
        display: none;
    }
    
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-visual {
        display: none;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .chat-container {
        flex-direction: column;
    }
    
    .chat-sidebar {
        width: 100%;
        height: 100%;
        position: relative;
        display: flex;
        flex-direction: column;
    }
    
    .chat-sidebar-close {
        display: flex;
    }
    
    .chat-main {
        display: none;
        width: 100%;
        height: 100%;
    }
    
    .chat-main.active {
        display: flex;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .auth-card {
        padding: 32px 24px;
    }
    
    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .page-header .flex {
        width: 100%;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .page-header .btn {
        flex: 1 1 calc(50% - 8px);
        min-width: 120px;
        padding: 10px 12px;
        font-size: 13px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        justify-content: center;
    }
    
    .page-header .btn i {
        margin-right: 4px;
    }
    
    .page-content {
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .top-navbar {
        padding: 12px 16px;
    }
    
    .search-box {
        display: none;
    }
    
    .school-selector span {
        display: none;
    }
    
    /* Button groups - wrap on mobile */
    .flex.gap-2,
    .flex.gap-3 {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .flex.gap-2 .btn,
    .flex.gap-3 .btn {
        flex: 1 1 calc(50% - 8px);
        min-width: 100px;
        padding: 10px 12px;
        font-size: 12px;
    }
    
    /* Staff section buttons */
    #staffSection .page-header .flex {
        flex-direction: column;
    }
    
    #staffSection .page-header .btn {
        width: 100%;
        margin-bottom: 8px;
        margin-left: 0 !important;
    }
    
    /* Finance section buttons */
    #financeSection .page-header .flex {
        flex-direction: column;
    }
    
    #financeSection .page-header .btn {
        width: 100%;
        margin-bottom: 8px;
        margin-left: 0 !important;
    }
    
    /* Students section buttons */
    #studentsSection .page-header .flex {
        flex-direction: column;
    }
    
    #studentsSection .page-header .btn {
        width: 100%;
        margin-bottom: 8px;
    }
    
    /* ID Card section - stack all buttons */
    #idcardsSection .flex.gap-2,
    #idcardsSection .flex.gap-3 {
        flex-direction: column;
    }
    
    #idcardsSection .flex.gap-2 .btn,
    #idcardsSection .flex.gap-3 .btn {
        width: 100%;
        margin-bottom: 8px;
    }
    
    /* Tabs - horizontal scroll */
    .tabs {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        padding-bottom: 8px;
        margin-bottom: 16px;
    }
    
    .tabs::-webkit-scrollbar {
        height: 4px;
    }
    
    .tabs::-webkit-scrollbar-thumb {
        background: var(--border);
        border-radius: 4px;
    }
    
    .tab-btn {
        flex: 0 0 auto;
        padding: 10px 16px;
        font-size: 13px;
        white-space: nowrap;
    }
    
    /* Modal responsiveness */
    .modal {
        padding: 0 !important;
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
        margin: 5vh auto;
        overflow-y: auto;
        padding: 20px;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .modal-header {
        padding: 16px;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .modal-footer {
        flex-direction: column;
        padding: 16px;
        gap: 8px;
    }
    
    .modal-footer .btn {
        width: 100%;
        margin-left: 0 !important;
    }
    
    /* Form controls */
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-control {
        font-size: 14px;
        padding: 10px 12px;
    }
    
    select.form-control {
        padding-right: 30px;
    }
    
    /* Table responsiveness */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        font-size: 13px;
    }
    
    table th,
    table td {
        padding: 10px 8px;
    }
    
    /* Card responsive */
    .card {
        margin-bottom: 16px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    /* Dashboard cards grid */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    /* Chat responsive */
    .chat-container {
        flex-direction: column;
    }
    
    .chat-sidebar {
        width: 100%;
        height: auto;
        max-height: 50vh;
    }
    
    .chat-main {
        width: 100%;
    }
    
    /* Navbar user menu */
    .navbar-profile {
        padding: 8px 12px;
    }
    
    .navbar-profile .name {
        display: none;
    }
    
    /* Filters bar */
    .filters-bar {
        flex-direction: column;
        gap: 12px;
    }
    
    .filters-bar .form-group {
        width: 100%;
    }
    
    /* Action buttons in tables */
    .table-actions {
        flex-wrap: wrap;
        gap: 4px;
    }
    
    .table-actions .btn {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    /* Report section buttons */
    #reportsSection .page-header .flex {
        flex-direction: column;
    }
    
    #reportsSection .page-header .btn {
        width: 100%;
        margin-bottom: 8px;
    }
    
    /* Attendance section */
    #attendanceSection .page-header .flex,
    #staffAttendanceSection .page-header .flex {
        flex-direction: column;
    }
    
    #attendanceSection .page-header .btn,
    #staffAttendanceSection .page-header .btn {
        width: 100%;
        margin-bottom: 8px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 36px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 10px 14px;
        font-size: 12px;
    }
    
    .btn i {
        font-size: 11px;
        margin-right: 4px;
    }
    
    .page-header {
        padding: 0;
    }
    
    .page-header .btn {
        flex: 1 1 100%;
        padding: 12px 10px;
        font-size: 13px;
    }
    
    .page-header .flex.gap-2,
    .page-header .flex.gap-3 {
        flex-direction: column;
    }
    
    .page-header .flex.gap-2 .btn,
    .page-header .flex.gap-3 .btn {
        width: 100%;
    }
    
    .modal {
        margin: 8px;
    }
    
    .modal-content {
        width: 100%;
        margin: 4vh auto;
        padding: 16px;
    }
    
    .modal-header h2 {
        font-size: 18px;
    }
    
    .modal-close {
        top: 12px;
        right: 12px;
    }
    
    /* Make all buttons full width on very small screens */
    .flex.gap-2 .btn,
    .flex.gap-3 .btn {
        width: 100%;
        margin-bottom: 6px;
    }
    
    .flex.gap-2,
    .flex.gap-3 {
        flex-direction: column;
    }
    
    /* Table very small */
    table {
        font-size: 11px;
    }
    
    table th,
    table td {
        padding: 8px 6px;
    }
    
    /* Card adjustments */
    .card-body {
        padding: 12px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-value {
        font-size: 20px;
    }
    
    /* Form adjustments */
    .form-label {
        font-size: 13px;
    }
    
    .form-control {
        padding: 10px;
        font-size: 13px;
    }
    
    /* Top navbar */
    .top-navbar {
        padding: 10px 12px;
    }
    
    .top-navbar h2 {
        font-size: 16px;
    }
    
    /* Sidebar */
    .sidebar {
        width: 280px;
    }
    
    .sidebar-nav {
        padding: 12px;
    }
    
    .nav-item {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .nav-section-title {
        font-size: 11px;
        padding: 8px 14px;
    }
}

/* Extra small screens - iPhone SE, very old phones */
@media (max-width: 360px) {
    body {
        font-size: 14px;
    }
    
    .btn {
        padding: 10px 12px;
        font-size: 11px;
    }
    
    .page-title {
        font-size: 22px;
    }
    
    .page-header {
        margin-bottom: 20px;
    }
    
    .page-content {
        padding: 12px;
    }
    
    .card {
        border-radius: 8px;
    }
    
    .card-body {
        padding: 12px;
    }
    
    .stat-card {
        padding: 14px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .stat-value {
        font-size: 18px;
    }
    
    .modal-content {
        padding: 12px;
        margin: 2vh auto;
    }
    
    .form-control {
        padding: 10px;
        font-size: 12px;
    }
    
    .table th,
    .table td {
        padding: 6px 4px;
        font-size: 10px;
    }
    
    .top-navbar {
        padding: 8px 10px;
    }
    
    .top-navbar h2 {
        font-size: 14px;
    }
    
    .menu-toggle {
        width: 36px;
        height: 36px;
    }
    
    .sidebar {
        width: 260px;
    }
    
    .nav-item {
        padding: 12px;
        font-size: 13px;
    }
    
    .nav-item i {
        width: 20px;
        font-size: 14px;
    }
    
    .tabs {
        padding: 8px 0;
    }
    
    .tab-btn {
        padding: 8px 12px;
        font-size: 11px;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.3s ease;
}

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

/* Select2-like styling */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 40px;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload:hover {
    border-color: var(--primary);
    background: var(--accent-light);
}

.file-upload i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 16px;
}

.file-upload p {
    color: var(--gray);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--gray-dark);
    cursor: pointer;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--light);
    color: var(--primary);
}

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

.dropdown-item.danger:hover {
    background: #fee2e2;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-primary {
    background: var(--accent-light);
    color: var(--primary);
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Avatar Sizes */
.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 12px;
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 20px;
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: 28px;
}

/* List Group */
.list-group {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.list-group-item {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.list-group-item:hover {
    background: var(--light);
}

/* Calendar */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.calendar-day:hover {
    background: var(--light);
}

.calendar-day.today {
    background: var(--accent-light);
    color: var(--primary);
    font-weight: 600;
}

.calendar-day.has-event {
    position: relative;
}

.calendar-day.has-event::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.calendar-day.other-month {
    color: var(--gray);
    opacity: 0.5;
}

/* Filters */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 24px;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group label {
    font-size: 13px;
    color: var(--gray);
    font-weight: 500;
}

.filter-group select {
    padding: 8px 32px 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--light);
    font-size: 14px;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    min-width: 100px;
}

.quick-action:hover {
    border-color: var(--primary);
    background: var(--accent-light);
    transform: translateY(-2px);
}

.quick-action i {
    font-size: 24px;
    color: var(--primary);
}

.quick-action span {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-dark);
}

/* ======================= ENHANCED CHAT STYLES ======================= */
.chat-section-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
    padding: 16px 16px 8px;
}

.chat-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 40px;
    text-align: center;
}

.chat-empty-state i {
    font-size: 48px;
    color: var(--border);
    margin-bottom: 16px;
}

.chat-empty-state h3 {
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 8px;
}

.chat-empty-state p {
    color: var(--gray);
}

.message {
    position: relative;
    margin-bottom: 16px;
}

.message.deleted {
    opacity: 0.6;
}

.message.deleted .message-text {
    font-style: italic;
    color: var(--gray);
}

.message-sender {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.message-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.message-status {
    font-size: 12px;
}

.message-status .read {
    color: var(--primary);
}

.message-actions {
    position: absolute;
    top: 0;
    right: 0;
    opacity: 0;
    transition: var(--transition);
}

.message:hover .message-actions {
    opacity: 1;
}

.message-actions button {
    background: var(--light);
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    color: var(--gray);
}

.message-actions button:hover {
    background: var(--border);
}

.message-menu {
    position: absolute;
    top: 20px;
    right: 0;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    min-width: 150px;
    overflow: hidden;
}

.message-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    cursor: pointer;
    transition: var(--transition);
}

.message-menu-item:hover {
    background: var(--light);
}

.message-menu-item.danger {
    color: var(--danger);
}

.message-menu-item i {
    width: 16px;
}

.date-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 24px 0;
}

.date-separator span {
    background: var(--light);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--gray);
}

.message-link {
    color: var(--info);
    word-break: break-all;
}

.message-link:hover {
    text-decoration: underline;
}

.emoji-picker {
    position: absolute;
    bottom: 60px;
    right: 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 320px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
}

.emoji-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}

.emoji-picker-header button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray);
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
    padding: 12px;
}

.emoji-btn {
    background: none;
    border: none;
    font-size: 20px;
    padding: 8px;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition);
}

.emoji-btn:hover {
    background: var(--light);
    transform: scale(1.2);
}

.attach-menu {
    position: absolute;
    bottom: 60px;
    right: 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 200px;
    z-index: 100;
    overflow: hidden;
}

.attach-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
}

.attach-menu-item:hover {
    background: var(--light);
}

.attach-menu-item i {
    width: 20px;
    text-align: center;
    color: var(--primary);
}

.message-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.message-attachment {
    max-width: 250px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
}

.message-attachment img {
    width: 100%;
    height: auto;
    display: block;
}

.message-attachment.file,
.message-attachment.audio {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--light);
    border-radius: var(--radius-sm);
}

.message-attachment.video {
    position: relative;
    max-width: 300px;
}

.message-attachment.video video {
    width: 100%;
    display: block;
}

.message-attachment.video .play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.audio-name {
    font-size: 13px;
    color: var(--gray-dark);
}

.voice-recording-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--danger);
    font-weight: 500;
}

.voice-recording-indicator .pulse {
    width: 10px;
    height: 10px;
    background: var(--danger);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.voice-btn.recording {
    background: var(--danger);
    color: white;
    animation: pulse 1s infinite;
}

.search-results-header {
    padding: 12px 16px;
    background: var(--light);
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: 16px;
}

/* ======================= ENHANCED ID CARD STYLES ======================= */
.id-card {
    width: 324px;
    height: 204px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
    font-family: var(--font-sans);
}

.id-card.horizontal {
    width: 324px;
    height: 204px;
}

.id-card.vertical {
    width: 204px;
    height: 324px;
}

.id-card.vertical .id-card-body {
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.id-card.vertical .id-card-photo {
    width: 80px;
    height: 80px;
    margin-bottom: 12px;
}

.id-card.vertical .id-card-qr {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 50px;
    height: 50px;
}

.id-card-header {
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary, var(--primary)));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 1px;
}

.id-card-body {
    padding: 16px;
    display: flex;
    gap: 16px;
    height: calc(100% - 50px);
}

.id-card.vertical .id-card-body {
    padding: 16px;
}

.id-card-photo {
    width: 80px;
    height: 100px;
    background: var(--light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.id-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.id-card-info {
    flex: 1;
    min-width: 0;
}

.id-card-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
    word-break: break-word;
}

.id-card-role {
    font-size: 11px;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.id-card-id {
    font-size: 11px;
    color: var(--gray);
    margin-bottom: 4px;
    font-family: monospace;
}

.id-card-class {
    font-size: 12px;
    color: var(--gray-dark);
    font-weight: 500;
    margin-top: 4px;
}

.id-card-dates {
    font-size: 9px;
    color: var(--gray);
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.id-card-qr {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 55px;
    height: 55px;
    flex-shrink: 0;
}

.id-card-qr img {
    width: 100%;
    height: 100%;
}

.id-card.vertical .id-card-qr {
    bottom: auto;
    top: 50px;
    right: 50%;
    transform: translateX(50%);
}

.id-card-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ======================= PROFILE STYLES ======================= */
.profile-header {
    text-align: center;
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.profile-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary, var(--accent)));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 40px;
    font-weight: 700;
    margin: 0 auto 16px;
    position: relative;
    overflow: hidden;
}

.profile-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-avatar-edit {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    border: 3px solid var(--white);
}

.profile-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.profile-role {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 1px;
}

.profile-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.profile-info-item {
    background: var(--light);
    padding: 16px;
    border-radius: var(--radius);
}

.profile-page {
    max-width: 1200px;
    margin: 0 auto;
}

.profile-header-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary, #667eea));
    border-radius: var(--radius-lg);
    padding: 32px;
    color: white;
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 24px;
}

.profile-avatar-section {
    position: relative;
    flex-shrink: 0;
}

.profile-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 40px;
    font-weight: 700;
    border: 4px solid rgba(255,255,255,0.3);
    overflow: hidden;
}

.profile-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-avatar-edit {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 36px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    cursor: pointer;
    border: 3px solid var(--primary);
    transition: transform 0.2s;
}

.profile-avatar-edit:hover {
    transform: scale(1.1);
}

.profile-header-info {
    flex: 1;
}

.profile-header-info h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-header-info p {
    opacity: 0.9;
    margin-bottom: 4px;
}

.profile-member-since {
    font-size: 14px;
    opacity: 0.8;
}

.profile-member-since i {
    margin-right: 6px;
}

.profile-stats {
    display: flex;
    gap: 32px;
}

.profile-stat-item {
    text-align: center;
    background: rgba(255,255,255,0.15);
    padding: 16px 24px;
    border-radius: var(--radius);
}

.profile-stat-value {
    font-size: 32px;
    font-weight: 700;
}

.profile-stat-label {
    font-size: 12px;
    text-transform: uppercase;
    opacity: 0.8;
}

.activity-timeline {
    position: relative;
}

.activity-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.activity-item {
    display: flex;
    gap: 16px;
    padding: 12px 0;
    position: relative;
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    z-index: 1;
}

.activity-content {
    flex: 1;
}

.activity-content p {
    margin: 0 0 4px;
    font-weight: 500;
}

.activity-time {
    font-size: 12px;
    color: var(--gray);
}

.notifications-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notification-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: var(--light);
    border-radius: var(--radius);
    border-left: 3px solid var(--primary);
}

.notification-item.unread {
    background: #f0f7ff;
    border-left-color: var(--primary);
}

.notification-icon {
    width: 36px;
    height: 36px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.notification-content {
    flex: 1;
}

.notification-content p {
    margin: 0 0 4px;
    font-weight: 500;
}

.notification-time {
    font-size: 12px;
    color: var(--gray);
}

.profile-info-label {
    font-size: 12px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.profile-info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

/* ======================= THEME SETTINGS STYLES ======================= */
.theme-settings-section {
    margin-bottom: 32px;
}

.theme-settings-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-settings-title i {
    color: var(--primary);
}

.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.color-picker-wrapper input[type="color"] {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.color-picker-wrapper input[type="text"] {
    width: 120px;
}

.color-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.color-preset {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.color-preset:hover {
    transform: scale(1.1);
}

.color-preset.active {
    border-color: var(--dark);
}

.theme-preview-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-top: 24px;
}

.theme-preview-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: 16px;
}

.theme-preview-content {
    display: flex;
    gap: 16px;
    align-items: center;
}

.theme-preview-btn {
    padding: 10px 20px;
    border-radius: var(--radius);
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
}

.theme-preview-card-sample {
    background: var(--light);
    padding: 16px;
    border-radius: var(--radius);
    flex: 1;
}

.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
}

.slider-wrapper input[type="range"] {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    background: var(--border);
    border-radius: 3px;
    outline: none;
}

.slider-wrapper input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
}

.slider-value {
    min-width: 50px;
    text-align: center;
    font-weight: 600;
    color: var(--gray-dark);
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

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

.switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-light);
    transition: 0.3s;
    border-radius: 26px;
}

.switch .slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

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

.switch input:checked + .slider:before {
    transform: translateX(22px);
}

.switch input:focus + .slider {
    box-shadow: 0 0 1px var(--primary);
}

/* ======================= DANGER ZONE STYLES ======================= */
.danger-zone {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-lg);
    padding: 24px;
}

.danger-zone-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.danger-zone-header i {
    font-size: 24px;
    color: var(--danger);
}

.danger-zone-header h3 {
    font-size: 18px;
    color: #991b1b;
}

.danger-zone p {
    color: #7f1d1d;
    margin-bottom: 16px;
}

.danger-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 12px;
    border: 1px solid #fecaca;
}

.danger-action-info h4 {
    font-size: 14px;
    color: var(--dark);
    margin-bottom: 4px;
}

.danger-action-info p {
    font-size: 13px;
    color: var(--gray);
    margin: 0;
}

.backup-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: var(--radius);
    margin-top: 16px;
}

.backup-status i {
    color: var(--primary);
}

/* ======================= ACTIVATION CODE STYLES ======================= */
.code-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.code-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.code-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.code-value {
    font-family: monospace;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.code-status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.code-status.active {
    background: #dcfce7;
    color: #166534;
}

.code-status.used {
    background: #dbeafe;
    color: #1e40af;
}

.code-status.expired {
    background: #f3f4f6;
    color: #6b7280;
}

.code-status.revoked {
    background: #fee2e2;
    color: #991b1b;
}

.code-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    font-size: 12px;
    color: var(--gray);
}

.code-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

/* ======================= IMAGE PREVIEW MODAL ======================= */
.image-preview-modal .modal {
    background: transparent;
    box-shadow: none;
}

.image-preview-modal .modal-body {
    padding: 0;
}

.image-preview-modal .modal-body img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius);
}

/* ======================= CREATE GROUP STYLES ======================= */
.create-group-form {
    padding: 24px;
}

.create-group-form h4 {
    margin-bottom: 16px;
    color: var(--dark);
}

.user-select-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.user-select-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

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

.user-select-item:hover {
    background: var(--light);
}

.user-select-item input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.group-info {
    padding: 24px;
}

.group-info h3 {
    margin-bottom: 4px;
}

.group-info p {
    color: var(--gray);
    margin-bottom: 24px;
}

.members-list {
    max-height: 400px;
    overflow-y: auto;
}

.member-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid var(--border);
}

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

.member-name {
    font-weight: 600;
    color: var(--dark);
}

.member-role {
    font-size: 12px;
    color: var(--gray);
}

/* ======================= RESPONSIVE ENHANCEMENTS ======================= */
@media (max-width: 768px) {
    .profile-info-grid {
        grid-template-columns: 1fr;
    }
    
    .theme-preview-content {
        flex-direction: column;
    }
    
    .emoji-picker {
        width: 280px;
        right: 10px;
    }
    
    .emoji-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .id-card {
        width: 100%;
        max-width: 324px;
        height: auto;
        aspect-ratio: 324/204;
    }
    
    .id-card.vertical {
        aspect-ratio: 204/324;
    }
}

/* Help & Guide Styles */
.help-guide-container {
    max-width: 900px;
    margin: 0 auto;
}

.help-guide-header {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    color: white;
    margin-bottom: 24px;
}

.help-guide-header h2 {
    margin: 0;
    font-size: 28px;
    font-weight: 600;
}

.help-guide-accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.help-accordion-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
}

.help-accordion-item:hover {
    box-shadow: var(--shadow);
}

.help-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    background: var(--card-bg);
    transition: var(--transition);
}

.help-accordion-header:hover {
    background: var(--light);
}

.help-accordion-title {
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 600;
    font-size: 16px;
}

.help-accordion-title i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: 10px;
    font-size: 18px;
}

.help-accordion-arrow {
    transition: transform 0.3s ease;
    color: var(--gray);
}

.help-accordion-item.active .help-accordion-arrow {
    transform: rotate(180deg);
}

.help-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.help-accordion-item.active .help-accordion-body {
    max-height: 2000px;
}

.help-content {
    padding: 0 24px 24px 80px;
    color: var(--text);
    line-height: 1.7;
}

.help-content h4 {
    color: var(--text);
    font-size: 18px;
    margin: 0 0 12px 0;
}

.help-content h5 {
    color: var(--text);
    font-size: 15px;
    margin: 16px 0 8px 0;
}

.help-content p {
    margin: 0 0 12px 0;
    color: var(--text-secondary);
}

.help-content ul,
.help-content ol {
    margin: 0 0 12px 0;
    padding-left: 24px;
    color: var(--text-secondary);
}

.help-content li {
    margin-bottom: 6px;
}

.help-content strong {
    color: var(--text);
}

/* Help Editor Styles */
.help-section-editor {
    padding: 20px;
}

.help-preview-modal {
    padding: 10px;
}

.help-section-preview {
    background: var(--light);
    padding: 20px;
    border-radius: var(--radius);
}

/* Dark mode help styles */
[data-theme="dark"] .help-guide-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

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

[data-theme="dark"] .help-accordion-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .help-content {
    color: var(--text-dark);
}

[data-theme="dark"] .help-content p,
[data-theme="dark"] .help-content ul,
[data-theme="dark"] .help-content ol {
    color: var(--text-secondary-dark);
}

/* Responsive */
@media (max-width: 768px) {
    .help-guide-header {
        padding: 20px;
    }
    
    .help-guide-header h2 {
        font-size: 22px;
    }
    
    .help-accordion-header {
        padding: 16px;
    }
    
    .help-accordion-title {
        font-size: 14px;
        gap: 12px;
    }
    
    .help-accordion-title i {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .help-content {
        padding: 0 16px 16px 16px;
    }
}

/* Reports Grid Styles */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.report-card-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.report-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: 50%;
    font-size: 24px;
}

.report-card-item h3 {
    font-size: 16px;
    margin: 0 0 8px 0;
    color: var(--text);
}

.report-card-item p {
    font-size: 13px;
    color: var(--gray);
    margin: 0;
}

.report-summary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.report-summary h3 {
    margin: 0 0 8px 0;
    color: white;
}

.report-summary p {
    margin: 0;
    opacity: 0.9;
}

.report-total {
    background: var(--light);
    padding: 16px;
    border-radius: var(--radius);
    text-align: center;
    margin-top: 16px;
}

@media (max-width: 768px) {
    .reports-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .report-card-item {
        padding: 16px;
    }
    
    .report-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
}

.file-upload-wrapper input[type="file"] {
    display: block;
    width: 100%;
    padding: 10px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    background: var(--lighter);
    cursor: pointer;
    transition: var(--transition);
}

.file-upload-wrapper input[type="file"]:hover {
    border-color: var(--primary);
    background: var(--light);
}

.passport-preview {
    margin-top: 12px;
    text-align: center;
    padding: 12px;
    background: var(--lighter);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.passport-preview img {
    width: 80px;
    height: 90px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--primary);
    margin-bottom: 8px;
}

.passport-preview .btn {
    margin-top: 4px;
}

/* Dark Mode Styles */
body.dark-mode {
    --primary: #22c55e;
    --primary-dark: #16a34a;
    --primary-light: #4ade80;
    --accent: #10b981;
    --dark: #f9fafb;
    --darker: #f3f4f6;
    --light: #1f2937;
    --lighter: #111827;
    --white: #1f2937;
    --gray: #9ca3af;
    --gray-dark: #d1d5db;
    --border: #374151;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    background: #111827;
    color: #e5e7eb;
}

body.dark-mode .dashboard-wrapper {
    background: #111827;
}

body.dark-mode .sidebar {
    background: #1f2937;
    border-right: 1px solid #374151;
}

body.dark-mode .sidebar-logo,
body.dark-mode .nav-section-title,
body.dark-mode .nav-item,
body.dark-mode .sidebar-footer {
    color: #e5e7eb;
}

body.dark-mode .nav-item:hover,
body.dark-mode .nav-item.active {
    background: #374151;
    color: #22c55e;
}

body.dark-mode .main-content {
    background: #111827;
}

body.dark-mode .top-navbar,
body.dark-mode .navbar-left,
body.dark-mode .navbar-right {
    background: #1f2937;
    border-bottom: 1px solid #374151;
    color: #e5e7eb;
}

body.dark-mode .search-box {
    background: #374151;
    border: 1px solid #4b5563;
}

body.dark-mode .search-box input {
    color: #e5e7eb;
}

body.dark-mode .navbar-icon-btn {
    color: #e5e7eb;
}

body.dark-mode .card {
    background: #1f2937;
    border: 1px solid #374151;
    color: #e5e7eb;
}

body.dark-mode .card-header,
body.dark-mode .card-body {
    color: #e5e7eb;
}

body.dark-mode .form-group label {
    color: #e5e7eb;
}

body.dark-mode .form-control,
body.dark-mode input[type="text"],
body.dark-mode input[type="email"],
body.dark-mode input[type="password"],
body.dark-mode input[type="number"],
body.dark-mode input[type="tel"],
body.dark-mode input[type="url"],
body.dark-mode select,
body.dark-mode textarea {
    background: #374151;
    border: 1px solid #4b5563;
    color: #e5e7eb;
}

body.dark-mode .form-control:focus,
body.dark-mode input:focus,
body.dark-mode select:focus,
body.dark-mode textarea:focus {
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

body.dark-mode .table {
    background: #1f2937;
    color: #e5e7eb;
}

body.dark-mode .table thead th {
    background: #374151;
    color: #e5e7eb;
    border-bottom: 2px solid #4b5563;
}

body.dark-mode .table tbody tr {
    border-bottom: 1px solid #374151;
}

body.dark-mode .table tbody tr:hover {
    background: #374151;
}

body.dark-mode .table td {
    border-top: 1px solid #374151;
}

body.dark-mode .stat-card {
    background: #1f2937;
    border: 1px solid #374151;
}

body.dark-mode .stat-label {
    color: #9ca3af;
}

body.dark-mode .stat-value {
    color: #e5e7eb;
}

body.dark-mode .list-group-item {
    background: #1f2937;
    border-color: #374151;
    color: #e5e7eb;
}

body.dark-mode .list-group-item:hover {
    background: #374151;
}

body.dark-mode .empty-state {
    background: #1f2937;
    color: #9ca3af;
}

body.dark-mode .modal-content {
    background: #1f2937;
    color: #e5e7eb;
    border: 1px solid #374151;
}

body.dark-mode .modal-header {
    border-bottom: 1px solid #374151;
}

body.dark-mode .modal-footer {
    border-top: 1px solid #374151;
}

body.dark-mode .modal-header h3 {
    color: #e5e7eb;
}

body.dark-mode .close {
    color: #9ca3af;
}

body.dark-mode .tabs {
    border-bottom: 2px solid #374151;
}

body.dark-mode .tab-btn {
    color: #9ca3af;
}

body.dark-mode .tab-btn.active {
    color: #22c55e;
    border-bottom-color: #22c55e;
}

body.dark-mode .report-card {
    background: #1f2937;
    border: 1px solid #374151;
    color: #e5e7eb;
}

body.dark-mode .report-header {
    border-bottom-color: #374151;
}

body.dark-mode .report-table th,
body.dark-mode .report-table td {
    border-color: #374151;
}

body.dark-mode .report-footer {
    border-top-color: #374151;
}

body.dark-mode .page-header {
    border-bottom-color: #374151;
}

body.dark-mode .page-title {
    color: #e5e7eb;
}

body.dark-mode .page-subtitle {
    color: #9ca3af;
}

body.dark-mode .quick-actions .btn {
    border: 1px solid #374151;
}

body.dark-mode .filters-bar {
    background: #1f2937;
    border: 1px solid #374151;
}

body.dark-mode .filter-group label {
    color: #9ca3af;
}

body.dark-mode .badge {
    color: #fff;
}

body.dark-mode .notification-dropdown {
    background: #1f2937;
    border: 1px solid #374151;
    color: #e5e7eb;
}

body.dark-mode .notification-header {
    border-bottom-color: #374151;
}

body.dark-mode .notification-item:hover {
    background: #374151;
}

body.dark-mode .dropdown-menu {
    background: #1f2937;
    border: 1px solid #374151;
}

body.dark-mode .dropdown-item {
    color: #e5e7eb;
}

body.dark-mode .dropdown-item:hover {
    background: #374151;
}

body.dark-mode .chat-sidebar {
    background: #1f2937;
    border-right: 1px solid #374151;
}

body.dark-mode .chat-main {
    background: #111827;
}

body.dark-mode .chat-header {
    background: #1f2937;
    border-bottom: 1px solid #374151;
}

body.dark-mode .chat-messages {
    background: #111827;
}

body.dark-mode .chat-message.sent .message-bubble {
    background: #22c55e;
    color: #fff;
}

body.dark-mode .chat-message.received .message-bubble {
    background: #374151;
    color: #e5e7eb;
}

body.dark-mode .chat-input-area {
    background: #1f2937;
    border-top: 1px solid #374151;
}

body.dark-mode .chat-input-area input {
    background: #374151;
    border: 1px solid #4b5563;
    color: #e5e7eb;
}

body.dark-mode .auth-page {
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
}

body.dark-mode .auth-card {
    background: #1f2937;
    border: 1px solid #374151;
    color: #e5e7eb;
}

body.dark-mode .auth-header h1,
body.dark-mode .auth-header p {
    color: #e5e7eb;
}

body.dark-mode .terms label a {
    color: #22c55e;
}

/* Dark Mode Toggle Button */
.dark-mode-toggle {
    background: transparent;
    border: none;
    color: #6b7280;
    cursor: pointer;
    font-size: 18px;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dark-mode-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #22c55e;
}

body.dark-mode .dark-mode-toggle {
    color: #9ca3af;
}

body.dark-mode .dark-mode-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #22c55e;
}

/* Main Footer Styles */
.main-footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 30px 20px;
    margin-top: auto;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
}

.footer-brand i {
    color: #16a34a;
    font-size: 24px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin: 10px 0;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #16a34a;
}

.footer-info {
    margin: 10px 0;
}

.footer-info p {
    margin: 5px 0;
    font-size: 14px;
    color: #aaa;
}

.footer-info strong {
    color: #16a34a;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all 0.3s ease;
    text-decoration: none;
}

.footer-social a:hover {
    background: #16a34a;
    transform: translateY(-3px);
    color: #fff;
}

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

body.dark-mode .footer-links a:hover {
    color: #16a34a;
}

/* Dark mode footer */
body.dark-mode .main-footer {
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
}

body.dark-mode .footer-social a {
    background: rgba(255,255,255,0.05);
}

body.dark-mode .footer-social a:hover {
    background: #16a34a;
    transform: translateY(-3px);
    color: #fff;
}

/* ========================================
   ENHANCED DASHBOARD STYLES
   ======================================== */

/* Enhanced Stats Cards with Gradients */
.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card .stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-card .stat-icon.primary {
    background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

.stat-card .stat-icon.success {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.stat-card .stat-icon.info {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.stat-card .stat-icon.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.stat-card .stat-icon.danger {
    background: linear-gradient(135deg, #dc2626 0%, #f87171 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.stat-card .stat-content {
    flex: 1;
    min-width: 0;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--gray);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

/* Dashboard Header Enhancement */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header .page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
    position: relative;
    display: inline-block;
}

.page-header .page-title::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 40px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

.page-header .page-subtitle {
    font-size: 15px;
    color: var(--gray);
    margin-top: 8px;
}

/* Quick Actions Enhancement */
.quick-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.quick-actions .btn {
    padding: 12px 24px;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.quick-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Dashboard Widgets Enhancement */
.dashboard-widgets {
    margin-top: 32px;
}

.dashboard-widgets .card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.dashboard-widgets .card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-widgets .card-header .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.dashboard-widgets .card-header .card-title i {
    color: var(--primary);
}

.dashboard-widgets .card-body {
    padding: 20px 24px;
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border);
}

.section-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
}

.section-header h2 i {
    color: var(--primary);
    margin-right: 10px;
}

/* Empty State Enhancement */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray);
}

.empty-state i {
    font-size: 56px;
    color: var(--border);
    margin-bottom: 16px;
    display: block;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    max-width: 300px;
    margin: 0 auto;
}

/* Table Enhancement */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table thead th {
    background: var(--lighter);
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-dark);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
}

.table tbody tr {
    transition: background 0.2s ease;
    border-bottom: 1px solid var(--border);
}

.table tbody tr:hover {
    background: var(--accent-light);
}

.table tbody td {
    padding: 14px 16px;
    color: var(--dark);
}

/* Badge Enhancement */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #166534;
}

.badge-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
}

.badge-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
}

.badge-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

/* Form Enhancements */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: 8px;
}

.form-label.required::after {
    content: ' *';
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    transition: all 0.3s ease;
    color: var(--dark);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.1);
}

.form-control::placeholder {
    color: var(--gray);
}

/* Button Enhancements */
.btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #15803d 0%, #16a34a 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(22, 163, 74, 0.4);
}

.btn-secondary {
    background: var(--lighter);
    color: var(--gray-dark);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626 0%, #f87171 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(220, 38, 38, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
}

/* Card Enhancements */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.card-header .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.card-body {
    padding: 24px;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .quick-actions {
        width: 100%;
    }
    
    .quick-actions .btn {
        flex: 1;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-card .stat-value {
        font-size: 24px;
    }
}

/* Test Type Badges */
.test-type-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}
.test-type-badge.exam { background: #fee2e2; color: #dc2626; }

/* Calendar Widget */
.calendar-widget {
    background: white;
    border-radius: var(--radius);
    padding: 15px;
}
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.calendar-month-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}
.calendar-nav-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.calendar-nav-btn:hover {
    background: var(--light);
}
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}
.calendar-day-header {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--gray);
    padding: 8px 0;
    text-transform: uppercase;
}
.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    position: relative;
    transition: all 0.2s;
}
.calendar-day:hover {
    background: var(--light);
}
.calendar-day.empty {
    background: transparent;
    border-color: transparent;
    cursor: default;
}
.calendar-day.today {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.::after {
   calendar-day.has-events content: '';
    position: absolute;
    bottom: 4px;
    width: 6px;
    height: 6px;
    background: var(--secondary);
    border-radius: 50%;
}
.calendar-day.today.has-events::after {
    background: white;
}
.calendar-event-dot {
    position: absolute;
    bottom: 4px;
    width: 6px;
    height: 6px;
    background: var(--secondary);
    border-radius: 50%;
}
.calendar-upcoming {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}
.calendar-upcoming h4 {
    font-size: 14px;
    margin: 0 0 10px;
}
.calendar-event-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 5px;
    cursor: pointer;
    transition: background 0.2s;
}
.calendar-event-item:hover {
    background: var(--light);
}
.calendar-event-date {
    font-size: 11px;
    color: var(--gray);
    min-width: 40px;
}
.calendar-event-title {
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.test-type-badge.midterm { background: #fef3c7; color: #d97706; }
.test-type-badge.quiz { background: #dbeafe; color: #2563eb; }
.test-type-badge.assignment { background: #d1fae5; color: #059669; }
.test-type-badge.daily { background: #f3e8ff; color: #7c3aed; }
.test-type-badge.weekly { background: #e0e7ff; color: #4f46e5; }
.test-type-badge.easy { background: #d1fae5; color: #059669; }
.test-type-badge.medium { background: #fef3c7; color: #d97706; }
.test-type-badge.hard { background: #fee2e2; color: #dc2626; }

/* Input Group */
.input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}
.input-group input[type="radio"] {
    width: auto;
    margin: 0;
}

/* Calculator Styles */
.calculator-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.calculator-modal.show {
    display: flex;
}

.calculator-container {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 320px;
    overflow: hidden;
}

.calculator-header {
    background: var(--primary);
    color: white;
    padding: 12px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.calculator-title {
    font-weight: 600;
    font-size: 16px;
}

.calculator-controls {
    display: flex;
    gap: 10px;
}

.calc-mode-btn, .calc-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: background 0.2s;
}

.calc-mode-btn:hover, .calc-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.calculator-display {
    padding: 15px;
    background: #f1f5f9;
}

.calc-display-input {
    width: 100%;
    padding: 12px;
    font-size: 24px;
    text-align: right;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    box-sizing: border-box;
    background: white;
    color: #1e293b;
}

.calculator-buttons {
    padding: 10px;
}

.calc-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.calc-btn {
    flex: 1;
    padding: 15px 5px;
    font-size: 18px;
    border: none;
    border-radius: 8px;
    background: #e2e8f0;
    color: #1e293b;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.calc-btn:hover {
    background: #cbd5e1;
}

.calc-btn:active {
    transform: scale(0.95);
}

.calc-zero {
    flex: 2;
}

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

.calc-operator:hover {
    background: var(--primary-dark);
}

.calc-equals {
    background: var(--accent);
    color: white;
}

.calc-equals:hover {
    background: var(--primary-dark);
}

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

.calc-clear:hover {
    background: #b91c1c;
}

.calc-sci {
    background: var(--info);
    color: white;
    font-size: 14px;
    padding: 12px 5px;
}

.calc-sci:hover {
    background: #2563eb;
}

.calc-percent {
    background: var(--warning);
    color: white;
}

.calc-percent:hover {
    background: #d97706;
}

.calc-backspace {
    background: var(--gray);
    color: white;
}

.calc-backspace:hover {
    background: var(--gray-dark);
}

/* Floating Calculator Button */
.floating-calc-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    transition: all 0.3s;
}

.floating-calc-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

/* Correct Answer Badge */
.correct-badge {
    background: var(--success);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 10px;
}

.input-group-text input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Portal Links on Login Page */
.portal-links {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--border);
}

.portal-link-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--lighter);
    border-radius: var(--radius);
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.portal-link-card:hover {
    background: var(--white);
    border-color: var(--primary);
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.portal-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 15px;
    flex-shrink: 0;
}

.portal-icon.student {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    color: white;
}

.portal-icon.parent {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
}

.portal-info {
    flex: 1;
}

.portal-info h4 {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
}

.portal-info p {
    margin: 0;
    font-size: 13px;
    color: var(--gray);
}

.portal-arrow {
    color: var(--gray);
    font-size: 14px;
    transition: transform 0.3s;
}

.portal-link-card:hover .portal-arrow {
    transform: translateX(5px);
    color: var(--primary);
}

/* Exam Option Buttons */
.option-btn {
    display: block;
    width: 100%;
    padding: 15px 20px;
    margin-bottom: 10px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--dark);
    font-size: 15px;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
}

.option-btn:hover {
    border-color: var(--primary);
    background: var(--lighter);
}

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

.option-btn.correct {
    border-color: var(--success);
    background: #dcfce7;
    color: #166534;
}

.option-btn.wrong {
    border-color: var(--danger);
    background: #fee2e2;
    color: #991b1b;
}