:root {
    --bg-dark: #0b0f19;
    --bg-card: #131a2a;
    --bg-card-hover: #192236;
    --border-color: #243049;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-blue: #38bdf8;
    --accent-indigo: #6366f1;
    --accent-pink: #f43f5e;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --yt-color: #ff0033;
    --th-color: #ffffff;
    --ig-color: #e1306c;
    --x-color: #1d9bf0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

.top-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 1.25rem;
}

.header-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
}

.noon-badge {
    display: inline-block;
    background: rgba(245, 158, 11, 0.16);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.4);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    margin-bottom: 0.4rem;
    letter-spacing: 0.04em;
}

.brand-group h1 {
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.brand-group h1 span {
    background: linear-gradient(90deg, #38bdf8, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-top: 0.25rem;
}

.header-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
}

.countdown-box {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid var(--border-color);
    padding: 0.45rem 0.9rem;
    border-radius: 0.6rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.countdown-label {
    color: var(--text-secondary);
}

#countdownTimer {
    color: var(--accent-blue);
    font-variant-numeric: tabular-nums;
}

.control-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
}

.region-toggle {
    display: flex;
    background: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
}

.region-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.5rem 0.85rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.region-btn.active {
    background: var(--accent-indigo);
    color: #fff;
}

.date-picker-wrap {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: #0f172a;
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.7rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.date-picker-wrap input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
}

.refresh-btn {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(56, 189, 248, 0.4);
    padding: 0.5rem 0.9rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.refresh-btn:hover {
    background: rgba(56, 189, 248, 0.28);
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.25rem;
}

.status-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    background: rgba(19, 26, 42, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.75rem 1.1rem;
    margin-bottom: 1.25rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-item strong {
    color: var(--text-primary);
}

.dot-live {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent-emerald);
    box-shadow: 0 0 8px var(--accent-emerald);
}

/* 특정 주제(카테고리) 필터 & 키워드 검색 바 */
.topic-filter-panel {
    background: linear-gradient(135deg, rgba(19, 26, 42, 0.95), rgba(30, 27, 75, 0.55));
    border: 1px solid var(--border-color);
    border-radius: 0.85rem;
    padding: 1rem 1.15rem;
    margin-bottom: 1.15rem;
}

.topic-header-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.85rem;
}

.topic-title {
    font-size: 0.96rem;
    font-weight: 800;
    color: var(--text-primary);
}

.keyword-search-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    flex: 1;
    max-width: 720px;
    justify-content: flex-end;
}

.keyword-search-form input {
    flex: 1;
    min-width: 240px;
    background: #0b0f19;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.52rem 0.85rem;
    border-radius: 0.5rem;
    font-size: 0.86rem;
    outline: none;
    transition: border-color 0.15s;
}

.keyword-search-form input:focus {
    border-color: var(--accent-blue);
}

.kw-btn {
    padding: 0.52rem 0.85rem;
    border-radius: 0.5rem;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s;
    white-space: nowrap;
}

.kw-btn.filter {
    background: rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
    border-color: rgba(99, 102, 241, 0.45);
}

.kw-btn.filter:hover {
    background: rgba(99, 102, 241, 0.35);
}

.kw-btn.crawl {
    background: rgba(16, 185, 129, 0.18);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.45);
}

.kw-btn.crawl:hover {
    background: rgba(16, 185, 129, 0.32);
}

.kw-btn.reset {
    background: rgba(244, 63, 94, 0.18);
    color: #fb7185;
    border-color: rgba(244, 63, 94, 0.4);
}

.topic-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.topic-pill {
    background: #0f172a;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.48rem 0.9rem;
    border-radius: 999px;
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.topic-pill:hover {
    color: var(--text-primary);
    border-color: #475569;
}

.topic-pill.active {
    background: var(--accent-indigo);
    border-color: #818cf8;
    color: #ffffff;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.35);
}

.platform-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.platform-tab {
    flex: 1;
    min-width: 170px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.18s;
}

.platform-tab:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.platform-tab.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(56, 189, 248, 0.2));
    border-color: var(--accent-blue);
    color: #fff;
    box-shadow: 0 4px 16px rgba(56, 189, 248, 0.15);
}

.pf-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 800;
}

.pf-icon.yt { background: #ff0033; color: #fff; }
.pf-icon.th { background: #ffffff; color: #000; }
.pf-icon.ig { background: linear-gradient(45deg, #f09433, #dc2743, #bc1888); color: #fff; }
.pf-icon.x  { background: #000000; color: #fff; border: 1px solid #334155; }
.pf-icon.all { background: #f59e0b; color: #000; }

.metric-bar {
    margin-bottom: 1.5rem;
}

.metric-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    background: #0f1523;
    padding: 0.45rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.metric-tab {
    flex: 1;
    min-width: 200px;
    padding: 0.65rem 0.9rem;
    border: none;
    border-radius: 0.5rem;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.metric-tab.active {
    background: var(--bg-card-hover);
    color: var(--accent-blue);
    border: 1px solid rgba(56, 189, 248, 0.35);
}

/* 3열 동시 비교 그리드 */
.platform-section {
    margin-bottom: 2.5rem;
}

.platform-section-header {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border-color);
}

.scope-note {
    font-size: 0.8rem;
    color: #94a3b8;
}

.platform-section-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.3rem;
    font-weight: 800;
}

.three-col-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem;
}

@media (max-width: 1120px) {
    .three-col-grid {
        grid-template-columns: 1fr;
    }
}

.single-col-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 860px) {
    .single-col-grid {
        grid-template-columns: 1fr;
    }
}

.metric-column {
    background: rgba(19, 26, 42, 0.65);
    border: 1px solid var(--border-color);
    border-radius: 0.9rem;
    padding: 1rem;
}

.metric-col-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.75rem;
    margin-bottom: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.02rem;
    font-weight: 800;
}

.metric-col-header.views { color: var(--accent-blue); }
.metric-col-header.likes { color: var(--accent-pink); }
.metric-col-header.shares { color: var(--accent-emerald); }

.rank-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.rank-card {
    display: flex;
    gap: 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.7rem;
    padding: 0.8rem;
    transition: transform 0.15s, border-color 0.15s;
    text-decoration: none;
    color: inherit;
}

.rank-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-blue);
    background: var(--bg-card-hover);
}

.rank-number {
    min-width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    background: #1e293b;
    color: var(--text-secondary);
}

.rank-1 { background: linear-gradient(135deg, #fbbf24, #d97706); color: #000; }
.rank-2 { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #000; }
.rank-3 { background: linear-gradient(135deg, #f97316, #b45309); color: #fff; }

.card-body {
    flex: 1;
    min-width: 0;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.author-info {
    font-weight: 700;
    color: #cbd5e1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-pill {
    background: rgba(99, 102, 241, 0.16);
    color: #a5b4fc;
    padding: 0.1rem 0.45rem;
    border-radius: 4px;
    font-size: 0.72rem;
    white-space: nowrap;
}

.card-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.stat-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    background: rgba(15, 23, 42, 0.6);
}

.stat-chip.highlight-views {
    background: rgba(56, 189, 248, 0.18);
    color: #38bdf8;
    font-weight: 700;
}

.stat-chip.highlight-likes {
    background: rgba(244, 63, 94, 0.18);
    color: #fb7185;
    font-weight: 700;
}

.stat-chip.highlight-shares {
    background: rgba(16, 185, 129, 0.18);
    color: #34d399;
    font-weight: 700;
}

.site-footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

.loading-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-secondary);
}