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

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 600;
    z-index: 1000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:root {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --success: #34d399;
    --error: #f87171;
    --warning: #fbbf24;
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --text: #f8fafc;
    --text-muted: #cbd5e1;
    --border: #475569;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

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

/* Navbar */
.navbar {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    text-align: center;
    padding: 60px 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* Cards */
.demo-card, .card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid var(--border);
}

.card h2, .demo-card h2 {
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 25px;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

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

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: white;
    width: 100%;
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-secondary:hover {
    background: rgba(37, 99, 235, 0.1);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Captcha Status */
.captcha-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 8px;
    margin-bottom: 20px;
}

.status-icon {
    font-size: 1.2rem;
}

.status-icon.ready {
    color: var(--success);
}

.status-icon.error {
    color: var(--error);
}

.status-icon.verifying {
    animation: spin 1s linear infinite;
    color: var(--primary);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Results */
.result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    display: none;
}

.result.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.result.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.result p {
    margin-top: 5px;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
    margin-top: 60px;
}

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

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

/* Auth Pages */
.auth-container {
    max-width: 400px;
    margin: 60px auto;
    padding: 0 20px;
}

.auth-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 40px;
    border: 1px solid var(--border);
}

.auth-card h1 {
    text-align: center;
    margin-bottom: 30px;
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
}

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

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

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-top: 30px;
}

.dashboard-header h1 {
    font-size: 1.8rem;
}

.api-keys-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.api-key-item {
    background: var(--bg-input);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.api-key-info {
    flex: 1;
}

.api-key-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.api-key-value {
    font-family: monospace;
    color: var(--text-muted);
    font-size: 0.85rem;
    word-break: break-all;
}

.api-key-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.api-key-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.api-key-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.api-key-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 120px;
}

.api-key-value {
    font-family: monospace;
    color: var(--text-muted);
    font-size: 0.85rem;
    word-break: break-all;
    background: var(--bg);
    padding: 4px 8px;
    border-radius: 4px;
    flex: 1;
}

.api-key-value.secret {
    color: var(--warning);
}

.btn-copy {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.btn-copy:hover {
    background: var(--bg);
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-backdrop.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 30px;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border);
}

.modal h2 {
    margin-bottom: 20px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.modal-actions .btn {
    flex: 1;
}

/* Docs Page */
.docs-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .docs-container {
        grid-template-columns: 1fr;
    }
}

.docs-sidebar {
    position: sticky;
    top: 80px;
    height: fit-content;
}

.docs-sidebar h3 {
    margin-bottom: 15px;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.docs-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.docs-nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}

.docs-nav a:hover,
.docs-nav a.active {
    background: var(--bg-input);
    color: var(--text);
}

.docs-content {
    min-width: 0;
}

.docs-content h1 {
    margin-bottom: 20px;
}

.docs-content h2 {
    margin-top: 40px;
    margin-bottom: 15px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.docs-content h2:first-of-type {
    margin-top: 20px;
    padding-top: 0;
    border-top: none;
}

.docs-content p {
    margin-bottom: 15px;
    color: var(--text-muted);
}

.docs-content code {
    background: var(--bg-input);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
}

.docs-content pre {
    background: var(--bg-input);
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 20px;
}

.docs-content pre code {
    background: none;
    padding: 0;
}

.docs-content ul, .docs-content ol {
    margin-bottom: 15px;
    padding-left: 25px;
    color: var(--text-muted);
}

.docs-content li {
    margin-bottom: 8px;
}

/* Alert */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-info {
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid var(--primary);
    color: var(--primary);
}

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

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Stats */
.stat-box {
    background: var(--bg-input);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

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

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --bg: #000000;
        --bg-card: #1a1a1a;
        --bg-input: #2a2a2a;
        --text: #ffffff;
        --text-muted: #cccccc;
        --border: #666666;
    }
    
    .btn-primary {
        border: 2px solid white;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .captcha-status,
    .btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card, .demo-card, .auth-card {
        border: 1px solid #ccc;
        background: white;
    }
}

/* Mobile Accessibility */
@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a {
        padding: 10px 5px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .btn {
        min-height: 44px;
    }
    
    .api-key-actions {
        flex-direction: column;
    }
}