/* ==================== CSS Variables & Reset ==================== */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #a855f7;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: rgba(26, 26, 46, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    --transition: all 0.3s ease;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==================== Loading Screen ==================== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* ==================== Glass Effect ==================== */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

/* ==================== Container ==================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 640px) {
    .container { padding: 0 24px; }
}

/* ==================== Header ==================== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-text {
    text-align: left;
}

.logo-title {
    font-weight: 700;
    font-size: 18px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
}

/* ==================== Navigation ==================== */
.nav-desktop {
    display: none;
    gap: 4px;
}

@media (min-width: 768px) {
    .nav-desktop { display: flex; }
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.nav-btn:hover, .nav-btn.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.nav-btn.active {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

/* ==================== Auth Buttons ==================== */
.auth-buttons {
    display: none;
    gap: 8px;
}

@media (min-width: 768px) {
    .auth-buttons { display: flex; }
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

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

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

/* ==================== Mobile Menu ==================== */
.mobile-menu-btn {
    display: flex;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

@media (min-width: 768px) {
    .mobile-menu-btn { display: none; }
}

.mobile-menu {
    display: none;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
    background: rgba(15, 15, 26, 0.95);
}

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

.mobile-nav-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
}

.mobile-nav-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.mobile-auth-buttons {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-auth-buttons .btn {
    width: 100%;
}

/* ==================== Main Content ==================== */
.main-content {
    min-height: calc(100vh - 64px - 300px);
}

.page {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    padding: 80px 0 120px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
}

.hero-blob-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 20%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.hero-blob-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: 20%;
    right: 10%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 100px;
    font-size: 14px;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.hero-badge svg {
    color: #fbbf24;
}

.hero-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .hero-title { font-size: 48px; }
}

@media (min-width: 1024px) {
    .hero-title { font-size: 60px; }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .hero-subtitle { font-size: 22px; }
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

/* ==================== Stats Section ==================== */
.stats-section {
    padding: 48px 0;
    background: var(--bg-glass);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

@media (min-width: 768px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-card {
    text-align: center;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    color: white;
}

.stat-icon.blue { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.stat-icon.green { background: linear-gradient(135deg, #22c55e, #10b981); }
.stat-icon.purple { background: linear-gradient(135deg, #a855f7, #ec4899); }
.stat-icon.orange { background: linear-gradient(135deg, #f97316, #eab308); }

.stat-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* ==================== Features Section ==================== */
.features-section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .section-title { font-size: 36px; }
}

.section-subtitle {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    gap: 24px;
}

@media (min-width: 768px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .features-grid { grid-template-columns: repeat(4, 1fr); }
}

.feature-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: var(--transition);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 14px;
    color: var(--text-muted);
}

/* ==================== Courses Section ==================== */
.courses-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.section-header-row {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .section-header-row {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.courses-grid {
    display: grid;
    gap: 24px;
}

@media (min-width: 768px) {
    .courses-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .courses-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==================== Cards ==================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

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

.card-header-bg {
    height: 120px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(168, 85, 247, 0.3));
    position: relative;
}

.card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 12px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}

.card-duration {
    position: absolute;
    bottom: 12px;
    left: 12px;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ==================== Jobs Section ==================== */
.jobs-grid {
    display: grid;
    gap: 24px;
}

@media (min-width: 768px) {
    .jobs-grid { grid-template-columns: repeat(2, 1fr); }
}

.job-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: var(--transition);
    cursor: pointer;
}

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

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.job-title {
    font-size: 18px;
    font-weight: 600;
}

.job-company {
    font-size: 14px;
    color: var(--text-muted);
}

.job-salary {
    font-size: 14px;
    color: var(--success);
    font-weight: 600;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ==================== Testimonials ==================== */
.testimonials-grid {
    display: grid;
    gap: 24px;
}

@media (min-width: 768px) {
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .testimonials-grid { grid-template-columns: repeat(4, 1fr); }
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
}

.testimonial-quote {
    color: var(--primary);
    opacity: 0.3;
    margin-bottom: 12px;
}

.testimonial-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-style: italic;
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.testimonial-stars svg {
    width: 16px;
    height: 16px;
}

.testimonial-stars svg.filled {
    color: #fbbf24;
    fill: #fbbf24;
}

.testimonial-author {
    font-weight: 600;
}

.testimonial-designation {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==================== CTA Section ==================== */
.cta-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15), transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

/* ==================== Footer ==================== */
.footer {
    padding: 48px 0 24px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    gap: 32px;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-muted);
}

.footer h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer ul {
    list-style: none;
}

.footer li {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.footer button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 0;
}

.footer button:hover {
    color: var(--primary-light);
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--border-radius-sm);
    color: #22c55e;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.whatsapp-btn:hover {
    background: rgba(34, 197, 94, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-muted);
}

/* ==================== Auth Pages ==================== */
.auth-page {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
}

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

.auth-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 14px;
}

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

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary-light);
    text-decoration: none;
}

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

/* ==================== Dashboard ==================== */
.dashboard {
    padding: 32px 0;
}

.dashboard-grid {
    display: grid;
    gap: 32px;
}

@media (min-width: 1024px) {
    .dashboard-grid { grid-template-columns: 320px 1fr; }
}

.profile-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
    position: sticky;
    top: 80px;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.profile-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.profile-email {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.profile-status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.profile-status.graduate {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.profile-status.learner {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.profile-info {
    text-align: left;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.profile-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 14px;
}

.profile-info-item svg {
    color: var(--text-muted);
}

.profile-cert-code {
    margin-top: 16px;
    padding: 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--border-radius-sm);
}

.profile-cert-code p {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.profile-cert-code code {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-light);
}

/* ==================== Dashboard Content ==================== */
.dashboard-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
}

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

.dashboard-card-title {
    font-size: 18px;
    font-weight: 600;
}

.dashboard-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
}

/* ==================== Certificate Section ==================== */
.cert-input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.cert-input-group input {
    flex: 1;
}

.cert-result {
    padding: 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--border-radius-sm);
    margin-top: 16px;
}

.cert-result-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #22c55e;
    margin-bottom: 12px;
}

.cert-result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.cert-result-item {
    font-size: 14px;
}

.cert-result-item span {
    display: block;
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 4px;
}

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

/* ==================== Admin Dashboard ==================== */
.admin-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.admin-tab {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.admin-tab:hover, .admin-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.stats-grid-admin {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .stats-grid-admin { grid-template-columns: repeat(4, 1fr); }
}

.stat-card-admin {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
}

.stat-card-admin .stat-value {
    font-size: 28px;
}

/* ==================== Data Tables ==================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.data-table td {
    font-size: 14px;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

/* ==================== Toast ==================== */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    max-width: 300px;
}

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

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

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

/* ==================== Modal ==================== */
#modal-container {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ==================== Search Input ==================== */
.search-box {
    position: relative;
    max-width: 300px;
}

.search-box input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* ==================== Download Section ==================== */
.download-section {
    padding: 24px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--border-radius);
    margin-top: 24px;
}

.download-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.download-title {
    font-weight: 600;
    color: #22c55e;
}

.download-badge {
    padding: 4px 8px;
    background: rgba(168, 85, 247, 0.2);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 100px;
    font-size: 11px;
    color: #a855f7;
}

.download-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* ==================== Utilities ==================== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }