/* tanso.markets — dashboard analytics dark
 * Palette: BG #0d1117 · Panel #161b22 · Text #c9d1d9
 *          Green #3fb950 · Red #f85149 · Blue #58a6ff
 *          Border #21262d · Accent #1f6feb
 */

:root {
    --bg: #0d1117;
    --panel: #161b22;
    --panel-hi: #1c2230;
    --text: #c9d1d9;
    --muted: #8b949e;
    --green: #3fb950;
    --red: #f85149;
    --blue: #58a6ff;
    --border: #21262d;
    --accent: #1f6feb;
    --accent-soft: rgba(88, 166, 255, 0.05);
    --accent-glow: rgba(88, 166, 255, 0.18);
    --green-soft: rgba(63, 185, 80, 0.10);
    --red-soft: rgba(248, 81, 73, 0.10);
    --grid: #1b222c;

    --topbar-h: 40px;
    --sidebar-w: 240px;

    --font-display: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.875rem;
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app {
    display: grid;
    grid-template-rows: var(--topbar-h) 1fr;
    height: 100vh;
    width: 100vw;
}

/* ------------ Top Summary Bar ------------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--topbar-h);
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 0 1rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    user-select: none;
}

.topbar-brand {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.brand-mark {
    color: var(--blue);
    font-size: 0.95rem;
}

.brand-sub {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 400;
}

.topbar-metrics {
    display: flex;
    align-items: center;
    gap: 1.6rem;
    overflow: hidden;
}

.metric {
    display: flex;
    align-items: baseline;
    gap: 0.45rem;
    white-space: nowrap;
}

.metric-label {
    color: var(--muted);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
}

.metric-value {
    color: var(--text);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.metric-delta {
    font-size: 0.72rem;
    font-variant-numeric: tabular-nums;
    padding: 1px 4px;
    border-radius: 3px;
}

.metric-delta.up {
    color: var(--green);
    background: var(--green-soft);
}

.metric-delta.down {
    color: var(--red);
    background: var(--red-soft);
}

.metric-clock {
    border-left: 1px solid var(--border);
    padding-left: 1rem;
    margin-left: 0.4rem;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px rgba(63, 185, 80, 0.7);
    display: inline-block;
}

.status-dot.idle {
    background: var(--muted);
    box-shadow: none;
}

/* ------------ Layout grid ------------- */
.layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    height: calc(100vh - var(--topbar-h));
    overflow: hidden;
}

/* ------------ Sidebar ------------- */
.sidebar {
    background: var(--bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 0.85rem 0.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-title {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
    letter-spacing: 0.12em;
}

.sidebar-count {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text);
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 3px;
}

.sidebar-search {
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-search input {
    width: 100%;
    background: var(--panel);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 0.35rem 0.55rem;
    border-radius: 4px;
    outline: none;
}

.sidebar-search input::placeholder {
    color: var(--muted);
}

.sidebar-search input:focus {
    border-color: var(--accent);
    background: var(--panel-hi);
}

.sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    padding: 0.4rem 0.5rem;
    gap: 0.3rem;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.25rem 0;
    border-radius: 3px;
    cursor: pointer;
    letter-spacing: 0.04em;
}

.tab-btn:hover {
    color: var(--text);
    border-color: var(--accent);
}

.tab-btn.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--blue);
}

.market-list {
    list-style: none;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.market-list::-webkit-scrollbar { width: 6px; }
.market-list::-webkit-scrollbar-track { background: transparent; }
.market-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.market-item {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    column-gap: 0.5rem;
    row-gap: 0.15rem;
    padding: 0.55rem 0.85rem 0.55rem 0.7rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    border-left: 3px solid transparent;
    align-items: center;
}

.market-item:hover {
    background: rgba(88, 166, 255, 0.03);
}

.market-item.active {
    background: var(--accent-soft);
    border-left: 3px solid var(--blue);
}

.mi-symbol {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text);
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mi-spark {
    grid-column: 2 / 3;
    grid-row: 1 / 3;
    align-self: center;
}

.mi-spark svg {
    display: block;
}

.mi-row2 {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.mi-price {
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.mi-change {
    font-variant-numeric: tabular-nums;
}

.mi-change.up { color: var(--green); }
.mi-change.down { color: var(--red); }

.sidebar-footer {
    border-top: 1px solid var(--border);
    padding: 0.5rem 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
}

.footer-value {
    color: var(--green);
}

/* ------------ Dashboard ------------- */
.dashboard {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--bg);
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.dashboard::-webkit-scrollbar { width: 8px; }
.dashboard::-webkit-scrollbar-track { background: transparent; }
.dashboard::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    gap: 1rem;
    flex-wrap: wrap;
}

.dh-left {
    display: flex;
    align-items: baseline;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.dh-symbol {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.02em;
}

.dh-name {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text);
}

.dh-region {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 3px;
}

.dh-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.dh-price {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    font-family: var(--font-mono);
}

.dh-price-value {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    transition: color 120ms ease;
}

.dh-price-value.tick-up { color: var(--green); }
.dh-price-value.tick-down { color: var(--red); }

.dh-price-currency {
    font-size: 0.78rem;
    color: var(--muted);
}

.dh-change {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-variant-numeric: tabular-nums;
}

.dh-change-abs { color: var(--text); }
.dh-change-pct {
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 0.78rem;
}
.dh-change-pct.up { color: var(--green); background: var(--green-soft); }
.dh-change-pct.down { color: var(--red); background: var(--red-soft); }

.dh-actions {
    display: flex;
    gap: 0.3rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px;
    background: var(--panel);
}

.action-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.3rem 0.7rem;
    border-radius: 3px;
    cursor: pointer;
    letter-spacing: 0.04em;
}

.action-btn:hover { color: var(--text); }

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

/* Range bar */
.range-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
    gap: 1rem;
    flex-wrap: wrap;
}

.range-group {
    display: flex;
    gap: 0.25rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.range-btn {
    background: transparent;
    border: none;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 0.3rem 0.7rem;
    cursor: pointer;
    border-right: 1px solid var(--border);
    letter-spacing: 0.04em;
}

.range-btn:last-child { border-right: none; }

.range-btn:hover { color: var(--text); background: var(--panel-hi); }

.range-btn.active {
    background: var(--accent-soft);
    color: var(--blue);
}

.range-stats {
    display: flex;
    gap: 1.1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    flex-wrap: wrap;
}

.stat {
    display: inline-flex;
    align-items: baseline;
    gap: 0.35rem;
}

.stat label {
    color: var(--muted);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
}

.stat b {
    color: var(--text);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.stat b.up { color: var(--green); }
.stat b.down { color: var(--red); }

/* ------------ Chart wrap ------------- */
.chart-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem 1.25rem;
}

.chart-wrap.compare {
    grid-template-columns: 1fr 1fr;
}

.chart-wrap.grid-mode { display: none; }
.chart-wrap.grid-mode + .chart-grid { display: grid; }

.chart-grid {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.85rem;
    padding: 0 1.25rem 1rem;
}

.chart-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.chart-panel-compare { display: none; }

.chart-wrap.compare .chart-panel-compare { display: flex; }

.panel-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}

.panel-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: 0.02em;
}

.panel-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 3px;
}

.panel-chart {
    width: 100%;
    height: 320px;
    display: block;
    flex: 1;
}

.chart-grid .panel-chart {
    height: 110px;
}

.panel-foot {
    display: flex;
    gap: 1rem;
    margin-top: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
}

.foot-item b {
    color: var(--text);
    font-weight: 500;
}

/* SVG chart styling */
.panel-chart .axis,
.panel-chart .grid-line {
    stroke: var(--grid);
    stroke-width: 0.5;
    fill: none;
}

.panel-chart .axis-label {
    fill: var(--muted);
    font-family: var(--font-mono);
    font-size: 9px;
}

.panel-chart .area {
    fill: var(--accent-glow);
}

.panel-chart .line {
    fill: none;
    stroke: var(--blue);
    stroke-width: 1.5;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.panel-chart .line.up { stroke: var(--green); }
.panel-chart .line.down { stroke: var(--red); }
.panel-chart .area.up { fill: rgba(63, 185, 80, 0.10); }
.panel-chart .area.down { fill: rgba(248, 81, 73, 0.10); }

.panel-chart .last-dot {
    fill: var(--blue);
}

.panel-chart .crosshair {
    stroke: var(--muted);
    stroke-width: 0.5;
    stroke-dasharray: 2 2;
    opacity: 0;
}

.panel-chart .crosshair.show { opacity: 0.7; }

.panel-chart .ohlc-bar {
    fill: var(--muted);
    opacity: 0.4;
}

.panel-chart .ohlc-bar.up { fill: var(--green); }
.panel-chart .ohlc-bar.down { fill: var(--red); }

/* ------------ Data row (DOM, trades, corr) ------------- */
.data-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    padding: 0 1.25rem 1.25rem;
}

.data-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.85rem 1rem;
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

/* DOM grid */
.dom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    flex: 1;
}

.dom-col {
    display: flex;
    flex-direction: column;
}

.dom-header {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--muted);
    letter-spacing: 0.06em;
    padding: 0.25rem 0.4rem;
    border-bottom: 1px solid var(--border);
}

.dom-col ul {
    list-style: none;
    flex: 1;
}

.dom-col li {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    padding: 0.18rem 0.4rem;
    font-variant-numeric: tabular-nums;
    position: relative;
    z-index: 0;
}

.dom-col li::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: var(--depth, 0%);
    z-index: -1;
}

.dom-bids li::before {
    right: 0;
    background: var(--green-soft);
}

.dom-asks li::before {
    left: 0;
    background: var(--red-soft);
}

.dom-bids li b { color: var(--green); }
.dom-asks li b { color: var(--red); }

.dom-col li span { color: var(--muted); }
.dom-col li b { font-weight: 500; }

/* Trades */
.trades-head {
    display: grid;
    grid-template-columns: 70px 1fr 70px 50px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--muted);
    letter-spacing: 0.06em;
    padding: 0.3rem 0.4rem;
    border-bottom: 1px solid var(--border);
}

.trades-list {
    list-style: none;
    overflow-y: auto;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.trades-list::-webkit-scrollbar { width: 4px; }
.trades-list::-webkit-scrollbar-thumb { background: var(--border); }

.trades-list li {
    display: grid;
    grid-template-columns: 70px 1fr 70px 50px;
    padding: 0.18rem 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-variant-numeric: tabular-nums;
    border-bottom: 1px dashed transparent;
}

.trades-list li:hover {
    background: var(--panel-hi);
}

.trades-list .t-time { color: var(--muted); }
.trades-list .t-price.up { color: var(--green); }
.trades-list .t-price.down { color: var(--red); }
.trades-list .t-size { color: var(--text); }
.trades-list .t-side { letter-spacing: 0.04em; font-weight: 500; }
.trades-list .t-side.buy { color: var(--green); }
.trades-list .t-side.sell { color: var(--red); }

/* Correlation matrix */
.corr-wrap {
    flex: 1;
    overflow: auto;
}

.corr-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.corr-table th, .corr-table td {
    padding: 0.32rem 0.5rem;
    text-align: center;
    border: 1px solid var(--border);
    font-variant-numeric: tabular-nums;
}

.corr-table th {
    color: var(--muted);
    background: var(--bg);
    font-weight: 500;
    letter-spacing: 0.04em;
}

.corr-table td {
    color: var(--text);
}

/* ------------ Responsive ------------- */
@media (max-width: 1100px) {
    .data-row { grid-template-columns: 1fr 1fr; }
    .data-row .data-panel:nth-child(3) { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
    :root { --sidebar-w: 200px; }
    .data-row { grid-template-columns: 1fr; }
    .chart-wrap.compare { grid-template-columns: 1fr; }
    .topbar-metrics { gap: 1rem; }
    .metric-clock { display: none; }
}

@media (max-width: 640px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .topbar-metrics .metric:nth-child(n+4) { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}