/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #222240;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --border: #2a2a3e;
    --gradient-1: #6c5ce7;
    --gradient-2: #a855f7;
    --gradient-3: #06b6d4;
    --accent: #8b5cf6;
    --accent-hover: #7c3aed;
    --success: #10b981;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* === Navbar === */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo:hover { color: var(--text-primary); }
.logo-icon { font-size: 1.5rem; }

.nav-links { display: flex; gap: 8px; }

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
}

.mobile-menu a {
    padding: 10px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.mobile-menu a:last-child { border-bottom: none; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .mobile-menu.open { display: flex; }
}

/* === Hero === */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 60%);
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* === Search === */
.search-container {
    max-width: 560px;
    margin: 0 auto 40px;
    position: relative;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 4px 4px 4px 20px;
    transition: border-color var(--transition);
}

.search-box:focus-within { border-color: var(--accent); }
.search-icon { font-size: 1.1rem; margin-right: 10px; }

.search-box input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1rem;
    padding: 12px 0;
}

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

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    box-shadow: var(--shadow);
    z-index: 50;
}

.search-results.open { display: block; }

.search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: background var(--transition);
}

.search-result-item:hover { background: var(--bg-card-hover); }
.search-result-item .tool-icon { font-size: 1.5rem; }

.search-result-item .result-info { flex: 1; }
.search-result-item .result-name { font-weight: 600; font-size: 0.95rem; }
.search-result-item .result-desc { font-size: 0.8rem; color: var(--text-muted); }

/* === Hero Stats === */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
}

.stat { text-align: center; }
.stat-number { display: block; font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* === Sections === */
.section { padding: 48px 0; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-title { font-size: 1.5rem; font-weight: 700; }
.section-link { font-size: 0.9rem; font-weight: 500; }

/* === Ad Spots === */
.ad-spot { padding: 16px 20px; }

.ad-banner {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(168, 85, 247, 0.1));
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.ad-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: 50px;
    white-space: nowrap;
}

.ad-content { flex: 1; }
.ad-title { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 4px; }
.ad-cta { font-size: 0.85rem; font-weight: 600; }

/* === Tool Cards === */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.tool-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.15);
}

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

.tool-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--bg-secondary);
}

.tool-card-info { flex: 1; }
.tool-card-name { font-weight: 700; font-size: 1.05rem; }

.tool-card-category {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.tool-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tool-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tool-tag {
    font-size: 0.7rem;
    padding: 3px 8px;
    background: var(--bg-secondary);
    border-radius: 50px;
    color: var(--text-muted);
}

.tool-pricing {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 50px;
    font-weight: 600;
}

.tool-pricing.free { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.tool-pricing.freemium { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.tool-pricing.paid { background: rgba(139, 92, 246, 0.15); color: var(--accent); }

.featured-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.7rem;
    padding: 3px 8px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: 50px;
    color: white;
    font-weight: 600;
}

/* === Sponsored Card === */
.sponsored-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(139, 92, 246, 0.1));
    border: 1px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
}

.sponsored-badge {
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 16px;
    font-weight: 600;
}

.sponsored-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.sponsored-info { text-align: left; }
.sponsored-info h3 { font-size: 1.25rem; margin-bottom: 8px; }
.sponsored-info p { color: var(--text-secondary); font-size: 0.95rem; }

/* === Categories Grid === */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.categories-full {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}

.category-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.category-icon { font-size: 2.5rem; margin-bottom: 12px; }
.category-name { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.category-count { font-size: 0.8rem; color: var(--text-muted); }

/* === Category Page === */
.category-header { margin-bottom: 32px; text-align: center; }
.category-title { font-size: 2rem; font-weight: 800; margin-bottom: 8px; }
.category-desc { color: var(--text-secondary); font-size: 1.05rem; }

.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* === Tool Detail === */
.tool-detail {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 48px;
}

.tool-detail-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 24px;
}

.tool-detail-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    background: var(--bg-secondary);
    flex-shrink: 0;
}

.tool-detail-info { flex: 1; }
.tool-detail-name { font-size: 2rem; font-weight: 800; margin-bottom: 4px; }

.tool-detail-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.tool-detail-category {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}

.tool-detail-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.tool-detail-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.tool-detail-tag {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.tool-detail-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    color: white;
    transform: translateY(-1px);
}

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

.btn-secondary:hover { border-color: var(--accent); }
.btn-large { padding: 14px 32px; font-size: 1rem; width: 100%; justify-content: center; }

.related-tools { margin-top: 24px; }

@media (max-width: 640px) {
    .tool-detail-header { flex-direction: column; }
    .tool-detail { padding: 24px; }
}

/* === Submit Page === */
.submit-page { max-width: 640px; margin: 0 auto; }
.page-title { font-size: 2rem; font-weight: 800; margin-bottom: 8px; text-align: center; }
.page-subtitle { color: var(--text-secondary); text-align: center; margin-bottom: 40px; }

.submit-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

@media (max-width: 640px) {
    .submit-benefits { grid-template-columns: 1fr; }
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.benefit-icon { font-size: 2rem; display: block; margin-bottom: 8px; }
.benefit-card h3 { font-size: 0.95rem; margin-bottom: 4px; }
.benefit-card p { font-size: 0.8rem; color: var(--text-muted); }

.submit-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
}

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

.form-group select option { background: var(--bg-secondary); }

.submit-success {
    background: var(--bg-card);
    border: 1px solid var(--success);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
}

.success-icon { font-size: 3rem; display: block; margin-bottom: 16px; }
.submit-success h2 { margin-bottom: 8px; }
.submit-success p { color: var(--text-secondary); }

/* === Footer === */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
    margin-top: 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand .logo-icon { font-size: 1.5rem; }
.footer-brand .logo-text { font-size: 1.1rem; font-weight: 700; }
.footer-desc { color: var(--text-muted); font-size: 0.85rem; margin-top: 8px; }

.footer-links h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 4px 0;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* === Page Visibility === */
.page { display: none; }
.page.active { display: block; }

/* === Scrollbar === */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

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

.tool-card, .category-card { animation: fadeIn 0.3s ease forwards; }