:root {
    --bg: #0b1524;
    --bg-elevated: #122033;
    --bg-card: #16263d;
    --text: #e8eef7;
    --text-muted: #9fb0c7;
    --accent: #4da3ff;
    --accent-hover: #7bb8ff;
    --border: #2a3f5c;
    --badge-bg: #1f3554;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(180deg, #08101c 0%, var(--bg) 240px);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

a:hover {
    color: var(--accent-hover);
}

.container {
    width: min(1100px, 92vw);
    margin: 0 auto;
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(11, 21, 36, 0.95);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    flex-wrap: wrap;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}

.brand-subtitle {
    margin: 0.15rem 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.main-nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.main-nav a {
    color: var(--text-muted);
    font-weight: 600;
}

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

.main-content {
    padding: 2rem 0 3rem;
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 0 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

h1, h2, h3 {
    line-height: 1.25;
}

.lead {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.hero {
    margin-bottom: 2rem;
}

.search-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.search-form input[type="search"],
.filter-form select,
.filter-form input {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    min-width: 220px;
}

.search-form button,
.filter-form button {
    background: var(--accent);
    color: #04101f;
    border: none;
    padding: 0.65rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
}

.search-form button:hover,
.filter-form button:hover {
    background: var(--accent-hover);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
}

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

.browse-section,
section {
    margin-top: 2rem;
}

.type-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.type-list,
.link-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.type-list li,
.link-list li {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    padding: 0.45rem 0;
    border-bottom: 1px solid var(--border);
}

.type-list .count {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    background: var(--badge-bg);
    color: var(--accent-hover);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.1rem 0.55rem;
    font-size: 0.8rem;
}

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

.filter-form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: end;
    margin: 1rem 0;
}

.filter-form label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.result-count,
.empty {
    color: var(--text-muted);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

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

.entity-card h2 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.data-table,
.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td,
.spec-table th,
.spec-table td {
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.data-table thead th,
.spec-table th {
    background: var(--bg-elevated);
    color: var(--text-muted);
    font-weight: 600;
}

.breadcrumb {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.breadcrumb a {
    margin-right: 0.35rem;
}

.breadcrumb span::before {
    content: "›";
    margin-right: 0.35rem;
}

.detail-image {
    margin: 1rem 0 1.5rem;
}

.detail-image img {
    max-width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.comment-block {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.error-page {
    text-align: center;
    padding: 3rem 0;
}

@media (max-width: 640px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-form,
    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }

    .search-form input[type="search"],
    .filter-form select {
        width: 100%;
    }
}