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

:root {
    --primary: #5063F0;
    --primary-dark: #3d4ed4;
    --primary-light: #7b8cf5;
    --secondary: #1B1642;
    --success: #10B981;
    --success-dark: #059669;
    --warning: #F59E0B;
    --error: #EF4444;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fc;
    --bg-tertiary: #f1f3f9;
    --text-primary: #1a1a2e;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.2s ease;
    --editor-bg: #1e1e2e;
    --editor-text: #cdd6f4;
    --editor-line: #313244;
    --editor-selection: #45475a;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.btn svg {
    width: 16px;
    height: 16px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(80, 99, 240, 0.35);
}

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

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

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

.btn-outline:hover {
    background: var(--bg-secondary);
    border-color: var(--text-secondary);
}

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

.btn-ghost:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-link {
    background: transparent;
    color: var(--primary);
    padding: 10px 0;
}

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

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
}

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

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    padding: 24px;
}

.cookie-banner.hidden {
    display: none;
}

.cookie-content {
    max-width: 1000px;
    margin: 0 auto;
}

.cookie-content h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cookie-content > p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 14px;
}

.cookie-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.cookie-details {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.cookie-details h3 {
    font-size: 15px;
    margin-bottom: 12px;
}

.cookie-category {
    margin-bottom: 12px;
}

.cookie-category:last-child {
    margin-bottom: 0;
}

.cookie-category h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.cookie-category p {
    font-size: 13px;
    color: var(--text-secondary);
}

.header {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    padding: 0 24px;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

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

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-link, .nav-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border: none;
    background: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.nav-link:hover, .nav-btn:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.chevron {
    width: 16px;
    height: 16px;
}

.nav-item {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.dropdown-menu a:hover {
    background: var(--bg-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.hero {
    padding: 80px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.hero-title .highlight {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.search-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-muted);
}

.search-input {
    width: 100%;
    padding: 16px 20px 16px 52px;
    font-family: inherit;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    background: var(--bg-primary);
    outline: none;
    transition: all var(--transition);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(80, 99, 240, 0.1);
}

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

.languages {
    padding: 40px 0 80px;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}

.tab {
    padding: 10px 24px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition);
}

.tab:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.tab.active {
    color: var(--primary);
    background: rgba(80, 99, 240, 0.1);
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.language-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition);
}

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

.language-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.language-icon img, .language-icon svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.language-name {
    font-size: 14px;
    font-weight: 600;
}

.features {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(80, 99, 240, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.cta-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--secondary) 0%, #2d2b5a 100%);
    color: white;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 32px;
}

.footer {
    background: var(--secondary);
    color: white;
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    max-width: 280px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: rgba(255,255,255,0.9);
}

.footer-column a, .footer-column address {
    display: block;
    font-size: 14px;
    font-style: normal;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color var(--transition);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

.footer-bottom .disclaimer {
    font-size: 12px;
    margin-top: 8px;
    color: rgba(255,255,255,0.3);
}

.editor-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.header-compact {
    flex-shrink: 0;
}

.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
}

.language-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.language-badge svg {
    width: 16px;
    height: 16px;
}

.editor-main {
    flex: 1;
    overflow: hidden;
}

.editor-layout {
    display: flex;
    height: 100%;
}

.editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--editor-bg);
}

.panel-tabs {
    display: flex;
    background: #181825;
    border-bottom: 1px solid var(--editor-line);
}

.panel-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,0.5);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.panel-tab svg {
    width: 16px;
    height: 16px;
}

.panel-tab:hover {
    color: rgba(255,255,255,0.8);
    background: rgba(255,255,255,0.05);
}

.panel-tab.active {
    color: var(--primary-light);
    background: var(--editor-bg);
    border-bottom-color: var(--primary);
}

.panel-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.code-panel {
    display: none;
    height: 100%;
}

.code-panel.active {
    display: block;
}

.code-editor {
    width: 100%;
    height: 100%;
    padding: 16px;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.7;
    color: var(--editor-text);
    background: var(--editor-bg);
    border: none;
    resize: none;
    outline: none;
    tab-size: 2;
}

.code-editor::placeholder {
    color: rgba(255,255,255,0.3);
}

.code-editor::selection {
    background: var(--editor-selection);
}

.resizer {
    width: 6px;
    background: var(--border-color);
    cursor: col-resize;
    transition: background var(--transition);
}

.resizer:hover, .resizer.active {
    background: var(--primary);
}

.preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-primary);
}

.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.preview-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.preview-title svg {
    width: 16px;
    height: 16px;
}

.preview-actions {
    display: flex;
    gap: 4px;
}

.preview-frame {
    flex: 1;
    width: 100%;
    border: none;
    background: white;
}

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    background: var(--text-primary);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    animation: slideIn 0.3s ease;
}

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

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

@media (max-width: 768px) {
    .nav, .header-actions .btn:not(.btn-primary) {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .language-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .editor-layout {
        flex-direction: column;
    }
    
    .resizer {
        width: 100%;
        height: 6px;
        cursor: row-resize;
    }
    
    .editor-panel, .preview-panel {
        flex: none;
        height: 50%;
    }
    
    .header-actions .btn span {
        display: none;
    }
}

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