/* ══════════════════════════════════════
   STANDARDS OVERVIEW PAGE STYLES
   标准汇总页样式
══════════════════════════════════════ */

:root {
    --blue: #1e4d8c;
    --blue-bg: #e8f0fe;
    --blue-border: #b3ccf5;
    --amber: #92580a;
    --amber-bg: #fef3dc;
    --amber-border: #f5d48a;
}

/* ── BREADCRUMB ── */
.breadcrumb {
    padding: 0.85rem 3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--muted);
    border-bottom: 1px solid var(--border-soft);
    background: #fff;
}
.breadcrumb a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb-sep {
    opacity: 0.35;
}
.breadcrumb-current {
    color: var(--ink);
    font-weight: 600;
}

/* ── PAGE HEADER ── */
.page-header {
    padding: 4rem 3rem;
    background: linear-gradient(180deg, #fff, var(--paper));
    border-bottom: 1px solid var(--border-soft);
    text-align: center;
}
.page-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 1rem;
}
.page-desc {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ── MAIN LAYOUT ── */
.page-main {
    flex: 1;
    padding: 3rem 3rem 6rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* ── GROUP SECTION ── */
.std-group {
    margin-bottom: 4rem;
}
.std-group-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.std-group-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--ink);
    white-space: nowrap;
}
.std-group-line {
    flex: 1;
    height: 1px;
    background: var(--border-soft);
}

/* ── GRID & CARDS ── */
.std-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.std-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
}
.std-card.is-published:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow);
    border-color: rgba(200,98,42,0.3);
}
.std-card.is-draft {
    cursor: default;
    opacity: 0.85;
}
.std-card.is-draft:hover {
    border-color: var(--border-soft);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.card-flag-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.card-flag {
    font-size: 1.5rem;
    line-height: 1;
}
.card-country {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.05em;
}

.card-badges {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.4rem;
}

.badge {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid;
    white-space: nowrap;
}
.badge-current {
    color: var(--green);
    background: var(--green-bg);
    border-color: var(--green-border);
}
.badge-draft {
    color: var(--amber);
    background: var(--amber-bg);
    border-color: var(--amber-border);
}
.badge-offline {
    color: var(--muted);
    background: var(--paper);
    border-color: var(--border);
}
.badge-history {
    color: var(--blue);
    background: var(--blue-bg);
    border-color: var(--blue-border);
}
.badge-published {
    color: var(--ink);
    background: var(--paper);
    border-color: var(--border-soft);
}

.std-card .card-code {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.3rem;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
}
.card-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 1.2rem;
    line-height: 1.4;
    flex: 1;
}

.card-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: auto;
    padding-top: 1.2rem;
    border-top: 1px dashed var(--border-soft);
}
.stat-item {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}
.stat-num {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ink);
}
.stat-lbl {
    font-size: 0.7rem;
    color: var(--muted);
}
.stat-none {
    font-size: 0.75rem;
    color: var(--muted);
    font-style: italic;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .page-header {
        padding: 3rem 1.5rem;
    }
    .page-main {
        padding: 2rem 1.5rem 4rem;
    }
    .std-grid {
        grid-template-columns: 1fr;
    }
}