:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #06b6d4;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-light);
}

.nav-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(99, 102, 241, 0.4);
}

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

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

.btn-secondary {
    background: var(--dark-light);
    color: var(--light);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--gray-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.hero-card {
    background: var(--gradient-dark);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(99, 102, 241, 0.1), transparent 30%);
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.hero-card-content {
    position: relative;
    z-index: 1;
}

.doi-preview {
    background: var(--dark);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.doi-preview-label {
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 8px;
}

.doi-preview-url {
    font-family: 'Fira Code', monospace;
    color: var(--accent);
    font-size: 0.95rem;
    word-break: break-all;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--dark-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--gray-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--dark);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--white);
}

.feature-card p {
    color: var(--gray-light);
    font-size: 0.95rem;
}

/* Plans Section */
.plans {
    padding: 100px 0;
}

.plan-toggle {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.plan-toggle-btn {
    padding: 12px 30px;
    border-radius: 30px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary-light);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.plan-card {
    background: var(--dark-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    padding: 35px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

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

.plan-card.featured::before {
    content: 'Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.plan-duration {
    color: var(--gray);
    margin-bottom: 25px;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    color: var(--gray-light);
}

.plan-features li:last-child {
    border-bottom: none;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--dark-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--white);
}

.contact-info p {
    color: var(--gray-light);
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-form {
    background: var(--dark);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    padding: 40px;
}

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

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

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--dark-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    color: var(--white);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

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

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 5px;
}

/* Footer */
.footer {
    background: var(--dark);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--gray-light);
    margin-top: 15px;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    display: block;
    padding: 8px 0;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
    color: var(--gray);
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--dark);
    position: relative;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: var(--dark-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--white);
}

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

.auth-footer {
    text-align: center;
    margin-top: 25px;
    color: var(--gray-light);
}

.auth-footer a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
}

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

.sidebar {
    width: 280px;
    background: var(--dark-light);
    border-right: 1px solid rgba(99, 102, 241, 0.2);
    padding: 25px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    margin-bottom: 30px;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 5px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    color: var(--gray-light);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s;
    font-weight: 500;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
}

.sidebar-nav a.disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 30px;
    background: var(--dark);
    min-height: 100vh;
}

.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 5px;
}

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

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--dark-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    padding: 25px;
    transition: all 0.3s;
}

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

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.stat-card-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
}

.stat-card-label {
    color: var(--gray-light);
    font-size: 0.95rem;
}

/* Tables */
.table-container {
    background: var(--dark-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.table-header h3 {
    color: var(--white);
    font-size: 1.1rem;
}

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

.data-table th,
.data-table td {
    padding: 15px 25px;
    text-align: left;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.data-table th {
    background: rgba(99, 102, 241, 0.1);
    color: var(--gray-light);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.data-table td {
    color: var(--light);
}

.data-table tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

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

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

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

/* Cards */
.card {
    background: var(--dark-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 25px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.card-header h3 {
    color: var(--white);
    font-size: 1.1rem;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-info {
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--primary-light);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

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

.modal {
    background: var(--dark-light);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.modal-header h3 {
    color: var(--white);
    font-size: 1.3rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--gray);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--white);
}

/* DOI Card */
.doi-card {
    background: var(--dark);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.doi-card:hover {
    border-color: var(--primary);
}

.doi-url {
    font-family: 'Fira Code', monospace;
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 15px;
    word-break: break-all;
}

.doi-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--gray-light);
    font-size: 0.9rem;
}

.doi-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.doi-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Loading Shield */
.loading-shield {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--dark);
    text-align: center;
    padding: 40px;
}

.shield-icon {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin-bottom: 30px;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: var(--shadow-glow);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.loading-shield h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loading-shield p {
    color: var(--gray-light);
    margin-bottom: 30px;
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: var(--dark-light);
    border-radius: 2px;
    overflow: hidden;
}

.loading-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
    0% { width: 0; margin-left: 0; }
    50% { width: 100%; margin-left: 0; }
    100% { width: 0; margin-left: 100%; }
}

/* Search Box */
.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.search-box input {
    flex: 1;
}

/* Activity Item */
.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
}

.activity-content {
    flex: 1;
}

.activity-title {
    color: var(--white);
    font-weight: 500;
    margin-bottom: 5px;
}

.activity-time {
    color: var(--gray);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text p {
        margin: 0 auto 30px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .sidebar {
        transform: translateX(-100%);
        z-index: 100;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .data-table {
        font-size: 0.9rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 15px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--primary-light); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--gray); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.flex { display: flex; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.w-full { width: 100%; }
.hidden { display: none; }

/* Legal Pages Styles */
.legal-page {
    padding: 120px 0 60px;
    min-height: 100vh;
}

.legal-header {
    text-align: center;
    margin-bottom: 50px;
}

.legal-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.legal-header .last-updated {
    color: var(--gray-light);
    font-size: 0.95rem;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--dark-light);
    border-radius: 20px;
    padding: 40px 50px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.legal-section {
    margin-bottom: 35px;
}

.legal-section:last-child {
    margin-bottom: 0;
}

.legal-section h2 {
    font-size: 1.4rem;
    color: var(--white);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.3);
}

.legal-section h3 {
    font-size: 1.1rem;
    color: var(--primary-light);
    margin-top: 20px;
    margin-bottom: 10px;
}

.legal-section p {
    color: var(--gray-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

.legal-section ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 15px;
}

.legal-section ul li {
    color: var(--gray-light);
    padding: 8px 0 8px 25px;
    position: relative;
    line-height: 1.6;
}

.legal-section ul li::before {
    content: "•";
    color: var(--primary-light);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.legal-section a {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.legal-section a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.legal-section strong {
    color: var(--white);
}

@media (max-width: 768px) {
    .legal-header h1 {
        font-size: 1.8rem;
    }
    
    .legal-content {
        padding: 25px 20px;
        margin: 0 10px;
    }
    
    .legal-section h2 {
        font-size: 1.2rem;
    }
    
    .legal-page {
        padding: 100px 0 40px;
    }
}