/* HotRank 页面样式 */
.hot-rank-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Header */
.hr-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e5e7eb;
}
.hr-header h1 {
    margin: 0;
    font-size: 28px;
    color: #111827;
}
.hr-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}
#hr-clock {
    color: #6b7280;
    font-size: 14px;
}
.hr-btn {
    background: #f3f4f6;
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    color: #374151;
    transition: background 0.2s;
}
.hr-btn:hover {
    background: #e5e7eb;
}
.hr-btn svg {
    display: block;
}
.hr-icon-sun, .hr-icon-moon {
    font-size: 16px;
    line-height: 1;
}
.dark .hr-icon-sun { display: none; }
:not(.dark) .hr-icon-moon { display: none; }

/* Filter */
.hr-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    align-items: center;
}
.hr-filter-btn {
    background: #f3f4f6;
    border: none;
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
    color: #4b5563;
    cursor: pointer;
    transition: all 0.2s;
}
.hr-filter-btn:hover, .hr-filter-btn.active {
    background: #2563eb;
    color: #fff;
}

/* Grid */
.hr-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
@media (max-width: 1024px) {
    .hr-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .hr-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .hr-grid { grid-template-columns: 1fr; }
}

/* Card */
.hr-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}
.hr-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.hr-card-header {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid #f3f4f6;
    font-weight: 600;
    font-size: 15px;
    color: #111827;
}
.hr-card-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #fff;
    flex-shrink: 0;
}
.hr-card-list {
    padding: 8px 0;
}
.hr-card-item {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    text-decoration: none;
    color: #374151;
    font-size: 13px;
    transition: background 0.15s;
}
.hr-card-item:hover {
    background: #f9fafb;
}
.hr-card-rank {
    width: 22px;
    text-align: center;
    font-weight: 700;
    font-size: 12px;
    margin-right: 10px;
    flex-shrink: 0;
    color: #9ca3af;
}
.hr-card-rank.top3 { color: #ef4444; }
.hr-card-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.hr-card-heat {
    margin-left: 8px;
    font-size: 11px;
    color: #9ca3af;
    flex-shrink: 0;
}

/* Loading / Empty */
.hr-loading, .hr-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #9ca3af;
}
.hr-card-empty {
    text-align: center;
    padding: 30px 20px;
    color: #9ca3af;
    font-size: 13px;
}

/* Dark mode */
body.hot-rank-dark .hot-rank-container {
    background: #0f172a;
}
body.hot-rank-dark .hr-header {
    border-color: #1e293b;
}
body.hot-rank-dark .hr-header h1 {
    color: #f1f5f9;
}
body.hot-rank-dark .hr-btn {
    background: #1e293b;
    color: #cbd5e1;
}
body.hot-rank-dark .hr-btn:hover {
    background: #334155;
}
body.hot-rank-dark .hr-filter-btn {
    background: #1e293b;
    color: #cbd5e1;
}
body.hot-rank-dark .hr-filter-btn:hover, body.hot-rank-dark .hr-filter-btn.active {
    background: #3b82f6;
    color: #fff;
}
body.hot-rank-dark .hr-card {
    background: #1e293b;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
body.hot-rank-dark .hr-card-header {
    border-color: #334155;
    color: #f1f5f9;
}
body.hot-rank-dark .hr-card-item {
    color: #cbd5e1;
}
body.hot-rank-dark .hr-card-item:hover {
    background: #334155;
}
body.hot-rank-dark .hr-card-empty {
    color: #475569;
}