/* statistics.css - 統計分析頁專屬樣式
   通用樣式由 base.css 提供
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Hero KPI Grid (5 cols, first emphasized) ── */
.hero-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr;
    gap: 16px;
    margin-bottom: 36px;
}

.kpi.primary .kpi-value { font-size: 1.9rem; }

/* ── Section overrides ── */
.section { margin-bottom: 36px; }

/* ── Two-column layouts ── */
.grid-2-3 { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }
.grid-1-1 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ── Holdings Detail ── */
.stock-grid { display: flex; flex-direction: column; gap: 18px; }

.holdings-summary {
    display: grid;
    grid-template-columns: 1.35fr 1fr 1fr 1fr;
    gap: 12px;
}

.holdings-summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    min-height: 116px;
}

.holdings-summary-card.primary {
    background: var(--text-primary);
    color: #fff;
    border-color: var(--text-primary);
}
.holdings-summary-card.primary .holdings-summary-label,
.holdings-summary-card.primary .holdings-summary-sub { color: rgba(255,255,255,0.7); }

.holdings-summary-label {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    font-weight: 600;
    letter-spacing: 0;
    margin-bottom: 8px;
}

.holdings-summary-value {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.12;
    font-feature-settings: "tnum";
}
.holdings-summary-value.profit { color: var(--profit); }
.holdings-summary-value.loss { color: var(--loss); }

.holdings-summary-sub {
    margin-top: 8px;
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ── Broker Section ── */
.broker-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.broker-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 0.45fr);
    gap: 20px;
    align-items: end;
    padding: 20px 22px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, #fff 0%, #fafafa 100%);
}

.broker-name { font-size: 1.05rem; font-weight: 700; letter-spacing: 0; }
.broker-sub { margin-top: 3px; font-size: 0.8rem; color: var(--text-tertiary); font-weight: 500; }

.broker-meta { text-align: right; }
.broker-total { font-size: 1rem; font-weight: 700; letter-spacing: 0; font-feature-settings: "tnum"; }
.broker-pct { margin-top: 3px; font-size: 0.78rem; color: var(--text-tertiary); font-weight: 600; }

.broker-bar {
    height: 5px;
    margin-top: 10px;
    background: var(--bg-subtle);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.broker-bar .fill {
    height: 100%;
    background: var(--text-primary);
    border-radius: var(--radius-full);
}

/* ── Stock Card (holdings) ── */
.holding-stack { display: flex; flex-direction: column; }

.stock-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(210px, 1.2fr) minmax(160px, 0.8fr) minmax(220px, 1fr) minmax(200px, 1fr);
    gap: 22px;
    align-items: center;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-base);
    background: var(--bg-card);
}
.stock-card:last-child { border-bottom: none; }

.stock-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 3px;
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
    background: var(--border-strong);
}
.stock-card.tone-profit::before { background: var(--profit); }
.stock-card.tone-loss::before { background: var(--loss); }
.stock-card:hover { background: #fafafa; }

.stock-card-header { display: flex; flex-direction: column; gap: 8px; }

.stock-card-id {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.stock-card-chip {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    background: var(--text-primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    font-feature-settings: "tnum";
}

.stock-card-ticker { font-size: 1.1rem; font-weight: 700; letter-spacing: 0; line-height: 1.15; }
.stock-card-name { font-size: 0.82rem; color: var(--text-tertiary); font-weight: 400; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.stock-card-badges { display: flex; gap: 5px; align-items: center; flex-wrap: wrap; }
.stock-card-badge {
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text-tertiary);
    background: var(--bg-subtle);
    padding: 3px 8px;
    border-radius: var(--radius-full);
    letter-spacing: 0;
    white-space: nowrap;
}

.stock-card-price { display: flex; flex-direction: column; gap: 4px; }
.stock-card-price .num {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.1;
    font-feature-settings: "tnum";
}
.stock-card-price .num.muted { color: var(--text-tertiary); }
.stock-card-price .pct { font-size: 0.85rem; font-weight: 600; }
.stock-card-price .pct.up { color: var(--profit); }
.stock-card-price .pct.down { color: var(--loss); }
.stock-card-price-label { font-size: 0.72rem; color: var(--text-tertiary); font-weight: 600; }

.stock-card-primary { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stock-card-main-label { font-size: 0.72rem; color: var(--text-tertiary); font-weight: 600; margin-bottom: 4px; }
.stock-card-main-val { font-size: 1.05rem; font-weight: 700; letter-spacing: 0; font-feature-settings: "tnum"; }
.stock-card-main-val.profit { color: var(--profit); }
.stock-card-main-val.loss { color: var(--loss); }
.stock-card-main-val.muted { color: var(--text-tertiary); }
.stock-card-main-sub { margin-top: 3px; font-size: 0.75rem; color: var(--text-tertiary); font-weight: 500; }

.stock-card-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.stock-card-stats .stat-label { font-size: 0.72rem; color: var(--text-tertiary); letter-spacing: 0; font-weight: 600; }
.stock-card-stats .stat-val { font-size: 0.88rem; font-weight: 500; letter-spacing: -0.01em; margin-top: 2px; font-feature-settings: "tnum"; }

.stock-card-allocation { grid-column: 1 / -1; }

.alloc-row { display: flex; justify-content: space-between; align-items: center; font-size: 0.75rem; color: var(--text-tertiary); margin-bottom: 6px; }
.alloc-row .w { color: var(--text-primary); font-weight: 600; font-feature-settings: "tnum"; }

.alloc-bar { height: 4px; background: var(--bg-subtle); border-radius: var(--radius-full); overflow: hidden; }
.alloc-bar .fill { height: 100%; background: var(--brand); border-radius: var(--radius-full); transition: width 0.4s ease; }
.allocation-profit .alloc-bar .fill { background: var(--profit); }
.allocation-loss .alloc-bar .fill { background: var(--loss); }

/* ── US Assets Layout ── */
.us-assets-layout { display: grid; grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.45fr); gap: 18px; }
.us-holdings-panel { min-width: 0; }
.us-stock-grid { gap: 14px; }

/* ── Allocation Legend ── */
.alloc-legend { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.alloc-legend li { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; }
.alloc-legend .dot { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 10px; vertical-align: middle; }
.alloc-legend .name { color: var(--text-primary); font-weight: 500; }
.alloc-legend .pct { color: var(--text-tertiary); font-weight: 600; font-feature-settings: "tnum"; }

/* ── Chart Containers ── */
#returnChart, #avgInvestedChart, #dividendChart, #allocationChart { max-width: 100%; }

/* ── Responsive (statistics-specific) ── */
@media (max-width: 1200px) {
    .hero-grid { grid-template-columns: 1fr 1fr 1fr; }
    .holdings-summary { grid-template-columns: 1fr 1fr; }
    .us-assets-layout { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr 1fr; }
    .stock-card { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
}

@media (max-width: 768px) {
    .hero-grid { grid-template-columns: 1fr; }
    .grid-2-3 { grid-template-columns: 1fr; }
    .grid-1-1 { grid-template-columns: 1fr; }
    .holdings-summary { grid-template-columns: 1fr; }
    .stock-card { grid-template-columns: 1fr; gap: 16px; padding: 18px 18px; }
    .stock-card-primary, .stock-card-stats { grid-template-columns: 1fr 1fr; }
    .broker-head { grid-template-columns: 1fr; gap: 12px; }
    .broker-meta { text-align: left; }
    .kpi-value { font-size: 1.5rem; }
    .kpi.primary .kpi-value { font-size: 1.75rem; }
}

@media (max-width: 560px) {
    .stock-card-primary, .stock-card-stats { grid-template-columns: 1fr; }
    .stock-card-chip { width: 38px; height: 38px; border-radius: 10px; }
    .broker-head { padding: 18px; }
}