/* 資金流向分佈 (FundFlow/Index) */
.ff-root {
    --ff-surface: #fcfcfb;
    --ff-text: #0b0b0b;
    --ff-text-2: #52514e;
    --ff-muted: #8a8984;
    --ff-grid: rgba(0, 0, 0, 0.08);
    --ff-border: #e4e3df;
    --ff-foreign: #2a78d6;
    --ff-trust: #eb6834;
    --ff-dealer: #1baf7a;
    --ff-margin: #eda100;
    --ff-in: #d63b3b;
    --ff-out: #1f8a4c;
    --ff-mid: #efeeea;
    max-width: 1400px;
    padding: 16px;
    color: var(--ff-text);
}

[data-theme="dark"] .ff-root {
    --ff-surface: #1e293b;
    --ff-text: #f0efec;
    --ff-text-2: #c3c2b7;
    --ff-muted: #94a3b8;
    --ff-grid: rgba(255, 255, 255, 0.08);
    --ff-border: #334155;
    --ff-foreign: #3987e5;
    --ff-trust: #d95926;
    --ff-dealer: #199e70;
    --ff-margin: #c98500;
    --ff-in: #e66767;
    --ff-out: #2fa565;
    --ff-mid: #2a3547;
}

.ff-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 16px;
}

.ff-title { margin: 0; font-size: 1.6rem; }
.ff-subtitle { margin: 4px 0 0; color: var(--ff-text-2); font-size: 0.9rem; }

.ff-filters { display: flex; gap: 12px; flex-wrap: wrap; }
.ff-filter { display: flex; flex-direction: column; font-size: 0.8rem; color: var(--ff-text-2); margin: 0; }

.ff-status { color: var(--ff-text-2); margin-bottom: 12px; }
.ff-status:empty { display: none; }
.ff-status.is-error { color: var(--ff-in); }

.ff-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.ff-tile {
    background: var(--ff-surface);
    border: 1px solid var(--ff-border);
    border-radius: 10px;
    padding: 12px 14px;
}

.ff-tile-label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--ff-text-2); }
.ff-tile-value { font-size: 1.6rem; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 4px; }
.ff-tile-sub { font-size: 0.75rem; color: var(--ff-muted); }

.ff-card {
    background: var(--ff-surface);
    border: 1px solid var(--ff-border);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 16px;
    min-width: 0;
}

.ff-card-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.ff-card-head h3 { margin: 0; font-size: 1.05rem; }
.ff-note { font-size: 0.75rem; color: var(--ff-muted); }

.ff-legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.85rem; color: var(--ff-text-2); }
.ff-legend-item { display: inline-flex; align-items: center; gap: 6px; }
.ff-swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; }
.ff-swatch-foreign { background: var(--ff-foreign); }
.ff-swatch-trust { background: var(--ff-trust); }
.ff-swatch-dealer { background: var(--ff-dealer); }
.ff-swatch-margin { background: var(--ff-margin); }

.ff-chart { position: relative; width: 100%; }
.ff-chart-daily { height: 340px; }
.ff-chart-sector { height: 600px; margin-top: 8px; }

.ff-matrix-wrap { overflow-x: auto; }
.ff-matrix { border-collapse: separate; border-spacing: 2px; font-size: 0.75rem; font-variant-numeric: tabular-nums; }
.ff-matrix th { color: var(--ff-text-2); font-weight: 500; white-space: nowrap; padding: 2px 6px; }
.ff-matrix th.ff-matrix-sector { text-align: right; position: sticky; left: 0; background: var(--ff-surface); }
.ff-matrix td { min-width: 46px; text-align: center; padding: 6px 4px; border-radius: 4px; color: var(--ff-text); }
.ff-matrix td.ff-matrix-total { font-weight: 600; background: transparent; }

.ff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.ff-grid > .ff-card { margin-bottom: 0; }
.ff-grid { margin-bottom: 16px; }

.ff-table { width: 100%; font-size: 0.85rem; font-variant-numeric: tabular-nums; }
.ff-table th { color: var(--ff-text-2); font-weight: 500; border-bottom: 1px solid var(--ff-border); padding: 4px 6px; }
.ff-table td { padding: 4px 6px; border-bottom: 1px solid var(--ff-border); }
.ff-table .ff-num { text-align: right; }
.ff-table .ff-sector { color: var(--ff-muted); font-size: 0.75rem; }

.ff-pos { color: var(--ff-in); }
.ff-neg { color: var(--ff-out); }

@media (max-width: 600px) {
    .ff-root { padding: 8px; }
    .ff-chart-daily { height: 260px; }
    .ff-tile-value { font-size: 1.3rem; }
}