/* ===================================
   CodePrettify - Main Stylesheet
   =================================== */

/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent: #22d3ee;
    --bg: #0a0b0f;
    --bg-gradient: linear-gradient(135deg, #0a0b0f 0%, #12141c 50%, #0a0b0f 100%);
    --text: #e4e4e7;
    --text-muted: #71717a;
    --surface: #18181b;
    --surface-light: #27272a;
    --border: #3f3f46;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Gradient background effects (index page) */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(34, 211, 238, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   Header
   =================================== */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 11, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(63, 63, 70, 0.5);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.4rem;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: #fff;
}

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

/* ===================================
   Content (Privacy & Changelog pages)
   =================================== */
.content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px;
}

.content.narrow {
    max-width: 800px;
}

/* ===================================
   Typography
   =================================== */
h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
}

p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

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

a:hover {
    text-decoration: underline;
}

ul {
    color: var(--text-muted);
    margin-left: 24px;
    margin-bottom: 16px;
}

li {
    margin-bottom: 8px;
}

code {
    background: var(--surface-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent);
}

.intro {
    color: var(--text-muted);
    margin-bottom: 48px;
    font-size: 1.1rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* ===================================
   Privacy Page Specific
   =================================== */
.last-updated {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.content h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 48px;
    margin-bottom: 16px;
    color: #fff;
}

.highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 20px 24px;
    border-radius: 12px;
    margin-bottom: 32px;
}

.highlight strong {
    color: var(--primary-light);
}

/* ===================================
   Hero Section (Index page)
   =================================== */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.badge span {
    animation: pulse 2s infinite;
}

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

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
    text-decoration: none;
}

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

.btn-secondary:hover {
    background: var(--surface-light);
    border-color: var(--text-muted);
    text-decoration: none;
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

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

.cta-buttons .btn svg {
    margin-right: 8px;
}

/* Supported Formats & Languages Section */
.supported-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 32px;
    margin-bottom: 24px;
}

.supported-box {
    background: rgba(24, 24, 27, 0.6);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
    text-align: left;
}

.supported-box h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

.format-tags,
.language-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.format-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
}

.format-tag code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
}

.lang-tag {
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 4px;
}

.languages-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 16px;
}

/* Coming Soon Box */
.coming-soon-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 16px;
    padding: 32px 40px;
    margin-bottom: 24px;
}

.coming-soon-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 8px 20px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.coming-soon-text {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 24px;
}

.browser-icons {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.browser-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.browser-item svg {
    width: 48px;
    height: 48px;
    fill: var(--text);
    opacity: 0.8;
    transition: all 0.3s;
}

.browser-item:hover svg {
    opacity: 1;
    fill: var(--primary-light);
    transform: scale(1.1);
}

.browser-item span {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Video Section */
.video-section {
    margin: 50px auto 0;
    max-width: 800px;
}

.video-title {
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 20px;
    font-weight: 600;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Screenshot Gallery */
.screenshot-gallery {
    margin: 60px auto 0;
    max-width: 1000px;
    position: relative;
}

.screenshot-main {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    background: var(--surface);
}

.screenshot-main img {
    width: 100%;
    display: block;
}

.screenshot-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

.screenshot-tab {
    width: 80px;
    height: 50px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.2s;
}

.screenshot-tab:hover,
.screenshot-tab.active {
    opacity: 1;
    border-color: var(--primary);
}

.screenshot-tab img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   Sections (Index page)
   =================================== */
section {
    padding: 100px 0;
}

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

.section-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Feature Grid (Index page)
   =================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-icon.auto { background: rgba(34, 197, 94, 0.15); }
.feature-icon.validate { background: rgba(239, 68, 68, 0.15); }
.feature-icon.json { background: rgba(34, 211, 238, 0.15); }
.feature-icon.tools { background: rgba(245, 158, 11, 0.15); }
.feature-icon.customize { background: rgba(168, 85, 247, 0.15); }
.feature-icon.keyboard { background: rgba(99, 102, 241, 0.15); }

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.feature-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-light);
}

/* ===================================
   Keyboard Shortcuts Section
   =================================== */
.shortcuts-section {
    background: var(--surface);
    border-radius: 20px;
    padding: 60px;
    border: 1px solid var(--border);
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.kbd {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text);
    white-space: nowrap;
}

.shortcut-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Validation Section */
.validation-section {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(245, 158, 11, 0.05) 100%);
    border-radius: 20px;
    padding: 60px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.validation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.validation-item {
    text-align: center;
    padding: 24px;
}

.validation-item h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 12px;
}

.validation-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Note Box */
.note-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 12px;
    padding: 24px 32px;
    margin-top: 60px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.note-box .icon {
    font-size: 24px;
    flex-shrink: 0;
}

.note-box h4 {
    font-size: 1rem;
    color: var(--warning);
    margin-bottom: 8px;
}

.note-box p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.note-box code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text);
}

/* ===================================
   Changelog Page Specific
   =================================== */
.version-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    transition: all 0.3s ease;
}

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

.version-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.version-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.version-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-latest {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
}

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

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

.version-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

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

.version-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Changelog feature list overrides */
.version-card .feature-list li {
    padding: 10px 0;
    padding-left: 28px;
    border-bottom: 1px solid rgba(63, 63, 70, 0.3);
    font-size: 0.95rem;
}

.version-card .feature-list li:last-child {
    border-bottom: none;
}

.version-card .feature-list li strong {
    color: var(--text);
}

/* Feature Category (Changelog) */
.feature-category {
    background: rgba(99, 102, 241, 0.05);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 16px;
}

.feature-category h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-category p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.feature-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-category ul li {
    padding: 6px 0 6px 20px;
    position: relative;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.feature-category ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-light);
}

/* ===================================
   Footer
   =================================== */
footer {
    border-top: 1px solid var(--border);
    padding: 60px 0 40px;
    margin-top: 40px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
    text-decoration: none;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 768px) {
    nav {
        gap: 16px;
    }
    
    .hero {
        padding: 60px 0 40px;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .content {
        padding: 40px 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .shortcuts-section,
    .validation-section {
        padding: 32px 24px;
    }
    
    .validation-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .version-card {
        padding: 24px 20px;
    }
    
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}