/* === Custom Properties (Dark default) === */
:root {
    --bg-primary: #0a0a0f; --bg-card: #12121a; --bg-card-hover: #1a1a28;
    --border-card: #1e1e2e; --border-subtle: #2a2a3a;
    --accent: #00d4ff; --accent-hover: #00b8e0; --accent-secondary: #7c3aed;
    --text-primary: #e0e0e8; --text-secondary: #8888a0; --text-muted: #5a5a70;
    --bg-input: #16161f; --bg-nav: #0c0c12; --bg-footer: #08080d;
    --bg-badge: #1a1a28; --bg-code: #16161f;
    --status-stable: #22c55e; --status-dev: #eab308; --status-deprecated: #ef4444;
    --shadow: 0 2px 8px rgba(0,0,0,0.4);
    --radius: 8px; --radius-sm: 4px; --transition: 0.2s ease;
    color-scheme: dark;
}
[data-theme="light"] {
    --bg-primary: #f5f5f8; --bg-card: #ffffff; --bg-card-hover: #f0f0f5;
    --border-card: #d8d8e0; --border-subtle: #e0e0e8;
    --accent: #0099cc; --accent-hover: #007aa3; --accent-secondary: #6d28d9;
    --text-primary: #1a1a2e; --text-secondary: #555570; --text-muted: #8888a0;
    --bg-input: #ffffff; --bg-nav: #ededf2; --bg-footer: #e5e5ea;
    --bg-badge: #ededf2; --bg-code: #ededf2;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    color-scheme: light;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary); color: var(--text-primary);
    line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input:focus-visible { outline: none; border-color: var(--accent); }

/* === Platform Icons === */
.platform-icon { display: inline-block; vertical-align: middle; fill: currentColor; flex-shrink: 0; }

/* === Navbar === */
.navbar {
    background: var(--bg-nav); border-bottom: 1px solid var(--border-card);
    position: sticky; top: 0; z-index: 100;
}
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 1.5rem;
    height: 56px; display: flex; align-items: center; gap: 1rem;
}
.nav-logo {
    font-weight: 700; font-size: 1.1rem; color: var(--accent);
    white-space: nowrap; flex-shrink: 0;
}
.nav-logo:hover { color: var(--accent-hover); }
.nav-search { flex: 1; max-width: 300px; margin: 0 auto; position: relative; }
.nav-search input {
    width: 100%; padding: 0.4rem 0.8rem; background: var(--bg-input);
    border: 1px solid var(--border-card); border-radius: var(--radius);
    color: var(--text-primary); font-size: 0.85rem; outline: none;
    transition: border-color var(--transition);
}
.nav-search input:focus { border-color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; margin-left: auto; }
/* Mobile nav elements - hidden on desktop */
.nav-mobile-actions { display: none; align-items: center; gap: 0.3rem; flex-shrink: 0; margin-left: auto; }
.nav-mobile-menu {
    display: none; position: absolute; top: 56px; left: 0; right: 0;
    background: var(--bg-nav); border-bottom: 1px solid var(--border-card);
    padding: 0.6rem 1rem; z-index: 99;
    flex-direction: column; gap: 0.5rem;
    box-shadow: var(--shadow);
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-search { position: relative; }
.nav-mobile-search input {
    width: 100%; padding: 0.4rem 0.8rem; background: var(--bg-input);
    border: 1px solid var(--border-card); border-radius: var(--radius);
    color: var(--text-primary); font-size: 0.85rem; outline: none;
    transition: border-color var(--transition);
}
.nav-mobile-search input:focus { border-color: var(--accent); }
.nav-mobile-links { display: flex; flex-wrap: wrap; gap: 0.2rem; }
.nav-mobile-item {
    display: flex; align-items: center; gap: 0.4rem;
    color: var(--text-secondary); font-size: 0.82rem; padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm); background: none; border: none; cursor: pointer;
    transition: color var(--transition), background var(--transition);
}
.nav-mobile-item:hover { color: var(--accent); background: var(--bg-card); }
.btn-icon {
    background: none; border: none; color: var(--text-secondary); cursor: pointer;
    padding: 0.4rem; border-radius: var(--radius-sm); display: flex;
    align-items: center; justify-content: center;
    transition: color var(--transition), background var(--transition);
    font-size: 1.1rem; line-height: 1;
}
.btn-icon:hover { color: var(--accent); background: var(--bg-card); }
.nav-link {
    color: var(--text-secondary); font-size: 0.85rem; padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--accent); background: var(--bg-card); }

/* Theme toggle */
.icon-sun { display: none; }
.icon-moon { display: inline; }
[data-theme="light"] .icon-sun { display: inline; }
[data-theme="light"] .icon-moon { display: none; }

/* === Platform Dropdown (navbar) === */
.platform-dropdown { position: relative; }
.platform-dropdown-btn {
    display: inline-flex; align-items: center; gap: 0.35rem;
    background: var(--bg-card); border: 1px solid var(--border-card);
    color: var(--text-secondary); padding: 0.3rem 0.6rem;
    border-radius: var(--radius); font-size: 0.8rem; cursor: pointer;
    transition: border-color var(--transition), color var(--transition);
    white-space: nowrap;
}
.platform-dropdown-btn:hover { border-color: var(--accent); color: var(--accent); }
.chevron-icon { transition: transform var(--transition); }
.platform-dropdown.open .chevron-icon { transform: rotate(180deg); }
.platform-dropdown-menu {
    display: none; position: absolute; top: calc(100% + 4px); right: 0;
    background: var(--bg-card); border: 1px solid var(--border-card);
    border-radius: var(--radius); box-shadow: var(--shadow);
    min-width: 160px; z-index: 200; overflow: hidden;
}
.platform-dropdown.open .platform-dropdown-menu { display: block; }
.platform-dropdown-item {
    display: flex; align-items: center; gap: 0.4rem; width: 100%;
    background: none; border: none; color: var(--text-secondary);
    padding: 0.5rem 0.8rem; font-size: 0.82rem; cursor: pointer; text-align: left;
    transition: background var(--transition), color var(--transition);
}
.platform-dropdown-item:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.platform-dropdown-item.active { color: var(--accent); }

/* === Search Dropdown === */
.search-dropdown {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    margin-top: 4px; background: var(--bg-card);
    border: 1px solid var(--border-card); border-radius: var(--radius);
    box-shadow: var(--shadow); max-height: 400px; overflow-y: auto; z-index: 200;
}
.search-dropdown-hero { position: absolute; left: 0; right: 0; text-align: left; }
.search-result {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem;
    padding: 0.6rem 0.8rem; color: var(--text-primary); text-decoration: none;
    border-bottom: 1px solid var(--border-card);
    transition: background var(--transition);
}
.search-result:last-child { border-bottom: none; }
.search-result:hover { background: var(--bg-card-hover); }
.search-result-name { font-weight: 600; color: var(--accent); font-size: 0.85rem; }
.search-result-icons { display: flex; gap: 0.25rem; color: var(--text-muted); }
.search-result-desc {
    width: 100%; font-size: 0.75rem; color: var(--text-secondary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* === Main Content === */
.main-content { flex: 1; max-width: 1200px; width: 100%; margin: 0 auto; padding: 2rem 1.5rem; }

/* === Hero === */
.hero { text-align: center; padding: 2.5rem 0 1.5rem; }
.hero-title {
    font-size: 2.2rem; font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 0.5rem; text-wrap: balance;
}
.hero-desc { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 0.75rem; text-wrap: balance; }

/* Hero meta links */
.hero-meta {
    display: flex; flex-wrap: nowrap; justify-content: center; align-items: center;
    gap: 0.6rem; margin-bottom: 0.75rem; white-space: nowrap;
}
.hero-meta-sep {
    font-size: 0.9rem; user-select: none;
    animation: sepColor 6s ease-in-out infinite;
}
@keyframes sepColor {
    0%, 100% { color: var(--accent); }
    33% { color: var(--accent-secondary); }
    66% { color: var(--accent-hover); }
}
.hero-meta-link {
    display: inline-flex; align-items: center; gap: 0.3rem;
    color: var(--text-muted); font-size: 0.8rem; font-weight: 500;
    transition: color var(--transition);
}
.hero-meta-link:hover { color: var(--accent); }
.hero-meta-brand { font-weight: 700; font-size: 0.85rem; }

/* Hero stats */
.hero-stats {
    display: flex; justify-content: center; gap: 0.5rem;
    color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem;
}
.hero-stats strong { color: var(--accent); }
.stat-sep { color: var(--text-muted); }

/* Hero inline install command */
.hero-install-wrap {
    display: inline-flex; align-items: stretch; gap: 0; margin-bottom: 1.2rem;
    max-width: 100%;
}
.hero-install-platform {
    background: var(--bg-card); border: 1px solid var(--border-card);
    border-right: none; border-radius: var(--radius) 0 0 var(--radius);
    color: var(--text-muted); cursor: pointer; padding: 0 0.5rem;
    display: flex; align-items: center; justify-content: center;
    transition: color var(--transition), background var(--transition);
}
.hero-install-platform:hover { color: var(--accent); background: var(--bg-card-hover); }
.hero-install {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: var(--bg-card); border: 1px solid var(--border-card);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 0.4rem 0.6rem 0.4rem 0.8rem; font-size: 0.85rem;
    min-width: 0; overflow: hidden;
}
.hero-install-label { color: var(--text-muted); font-family: monospace; user-select: none; }
.hero-install-cmd { font-family: monospace; color: var(--accent); font-size: 0.82rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.hero-install-copy {
    background: none; border: none; color: var(--text-muted); cursor: pointer;
    padding: 0.2rem; border-radius: var(--radius-sm); display: flex; align-items: center;
    transition: color var(--transition), background var(--transition);
}
.hero-install-copy:hover { color: var(--accent); background: var(--bg-card-hover); }

/* Hero search */
.hero-search { position: relative; max-width: 500px; margin: 0 auto; }
.hero-search input {
    width: 100%; padding: 0.6rem 1rem; background: var(--bg-input);
    border: 1px solid var(--border-card); border-radius: var(--radius);
    color: var(--text-primary); font-size: 0.9rem; outline: none;
    transition: border-color var(--transition);
}
.hero-search input:focus { border-color: var(--accent); }

/* === Filters === */
.filters {
    display: flex; flex-wrap: wrap; gap: 0.4rem;
    justify-content: center; margin-bottom: 1.5rem;
}
.filter-btn {
    background: var(--bg-card); border: 1px solid var(--border-card);
    color: var(--text-secondary); padding: 0.35rem 0.8rem;
    border-radius: var(--radius); font-size: 0.8rem; cursor: pointer;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active {
    background: var(--accent); color: #fff; border-color: var(--accent);
}

/* === Package Grid === */
.package-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.package-card {
    background: var(--bg-card); border: 1px solid var(--border-card);
    border-radius: var(--radius); padding: 1.2rem;
    text-decoration: none; color: var(--text-primary);
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
    display: flex; flex-direction: column;
}
.package-card:hover {
    border-color: var(--accent); background: var(--bg-card-hover);
    transform: translateY(-2px);
}
.card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.5rem; }
.card-name { font-size: 1rem; font-weight: 700; color: var(--accent); }
.card-badges { display: flex; gap: 0.3rem; flex-shrink: 0; }
.card-desc { font-size: 0.82rem; color: var(--text-secondary); flex: 1; margin-bottom: 0.75rem; line-height: 1.5; }
.card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.card-platforms { display: flex; gap: 0.4rem; color: var(--text-muted); }
.card-tags { display: flex; gap: 0.3rem; flex-wrap: wrap; }

/* === Badges === */
.badge {
    display: inline-block; font-size: 0.7rem; padding: 0.15rem 0.45rem;
    border-radius: var(--radius-sm); font-weight: 600;
}
.badge-version { background: var(--bg-badge); color: var(--accent); }
.badge-status { color: #fff; }
.badge-stable { background: var(--status-stable); }
.badge-dev { background: var(--status-dev); color: #1a1a2e; }
.badge-deprecated { background: var(--status-deprecated); }
.badge-type { background: var(--bg-badge); color: var(--text-secondary); }
.badge-license { background: var(--bg-badge); color: var(--text-muted); font-size: 0.75rem; padding: 0.15rem 0.5rem; border-radius: var(--radius-sm); }

/* === Tags === */
.tag {
    display: inline-block; font-size: 0.7rem; padding: 0.1rem 0.4rem;
    background: var(--bg-badge); color: var(--text-muted);
    border-radius: var(--radius-sm);
}
.tag-keyword { background: transparent; border: 1px solid var(--border-subtle); }

/* === No Results === */
.no-results { text-align: center; padding: 3rem 1rem; color: var(--text-secondary); }

/* === Package Detail === */
.pkg-detail { max-width: 800px; margin: 0 auto; }
.back-link {
    display: inline-block; margin-bottom: 1.5rem; color: var(--text-secondary);
    font-size: 0.85rem; transition: color var(--transition);
}
.back-link:hover { color: var(--accent); }
.pkg-header { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.pkg-name { font-size: 1.8rem; font-weight: 800; color: var(--text-primary); }
.pkg-badges { display: flex; gap: 0.4rem; }

/* Install box (package detail) */
.install-box {
    display: flex; align-items: center; gap: 0.5rem;
    background: var(--bg-code); border: 1px solid var(--border-card);
    border-radius: var(--radius); padding: 0.6rem 1rem; margin-bottom: 1.5rem;
    font-family: monospace; font-size: 0.85rem;
}
.install-cmd { flex: 1; color: var(--accent); word-break: break-all; }
.btn-copy {
    background: var(--bg-badge); border: 1px solid var(--border-card);
    color: var(--text-secondary); padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm); font-size: 0.75rem; cursor: pointer;
    transition: border-color var(--transition), color var(--transition);
    white-space: nowrap;
}
.btn-copy:hover { border-color: var(--accent); color: var(--accent); }

/* Package sections */
.pkg-section { margin-bottom: 2rem; }
.pkg-section h2 {
    font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem;
    padding-bottom: 0.4rem; border-bottom: 1px solid var(--border-card);
}

/* Meta grid */
.meta-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.75rem; }
.meta-item { display: flex; flex-direction: column; gap: 0.2rem; }
.meta-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.meta-value { font-size: 0.9rem; color: var(--text-primary); }

/* Platform table */
.table-wrap { overflow-x: auto; }
.platform-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.platform-table th, .platform-table td {
    padding: 0.5rem 0.75rem; text-align: left;
    border-bottom: 1px solid var(--border-card);
}
.platform-table th { color: var(--text-muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; }
.platform-table td { color: var(--text-primary); }

/* Dependencies */
.dep-list {
    list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.dep-list li {
    background: var(--bg-badge); color: var(--text-secondary);
    padding: 0.2rem 0.6rem; border-radius: var(--radius-sm); font-size: 0.82rem;
}

/* Package links */
.pkg-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pkg-link {
    display: inline-flex; align-items: center; gap: 0.3rem;
    background: var(--bg-card); border: 1px solid var(--border-card);
    padding: 0.4rem 0.8rem; border-radius: var(--radius); font-size: 0.82rem;
    color: var(--text-secondary); transition: border-color var(--transition), color var(--transition);
}
.pkg-link:hover { border-color: var(--accent); color: var(--accent); }

/* === About Page === */
.about-page { max-width: 700px; margin: 0 auto; }
.about-title { font-size: 1.8rem; font-weight: 800; margin-bottom: 1.5rem; }
.about-section { margin-bottom: 2rem; }
.about-section h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.about-section p { color: var(--text-secondary); font-size: 0.9rem; }
.maintainer-list { list-style: none; }
.maintainer-list li { padding: 0.3rem 0; color: var(--text-secondary); font-size: 0.9rem; }
.about-footer { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border-card); color: var(--text-muted); font-size: 0.8rem; }

/* === Footer === */
.footer {
    background: var(--bg-footer); border-top: 1px solid var(--border-card);
    padding: 1rem 1.5rem; margin-top: auto;
}
.footer-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.8rem; color: var(--text-muted);
}
.footer-powered a { color: var(--text-secondary); }
.footer-powered a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 1rem; }
.footer-links a { color: var(--text-secondary); transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

/* === Responsive === */
@media (max-width: 768px) {
    .nav-inner { gap: 0.5rem; position: relative; }
    .nav-search { display: none; }
    .nav-desktop { display: none; }
    .nav-mobile-actions { display: flex; }
    .hero-title { font-size: 1.6rem; }
    .hero-desc { font-size: 0.9rem; }
    .hero-install-cmd { font-size: 0.72rem; }
    .package-grid { grid-template-columns: 1fr; }
    .meta-grid { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}

@media (max-width: 480px) {
    .main-content { padding: 1rem; }
    .hero { padding: 1.5rem 0 1rem; }
    .hero-meta { gap: 0.3rem; }
    .hero-meta-link { font-size: 0.7rem; gap: 0.2rem; }
    .hero-meta-link svg { width: 11px; height: 11px; }
    .hero-meta-brand { font-size: 0.75rem; }
    .hero-install-cmd { font-size: 0.62rem; }
    .hero-install { padding: 0.35rem 0.4rem 0.35rem 0.5rem; gap: 0.3rem; font-size: 0.75rem; }
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
}