/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   BNTI v2.0 — Layout & Grid
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

body {
    font-family: var(--sans);
    color: var(--text-primary);
    background: var(--bg);
}

/* Scanline grid overlay */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 102, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 102, 0, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.app-shell {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ── Top Bar (Bloomberg header) ── */
.topbar {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr) auto 260px;
    gap: 12px;
    align-items: center;
    padding: 6px 12px;
    border-bottom: 2px solid var(--accent);
    background: var(--bg);
    flex-shrink: 0;
}

/* ── Main Grid ── */
.grid {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr) 300px;
    gap: 6px;
    padding: 6px 8px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ── Footer ── */
.footer {
    padding: 4px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 9px;
    font-family: var(--mono);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    background: var(--bg);
    flex-shrink: 0;
}

.footer a {
    color: var(--accent);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 1200px) {
    .topbar {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .status-block {
        align-items: flex-start;
    }

    .grid {
        display: flex;
        flex-direction: column;
        overflow: visible;
    }

    .map-panel {
        order: 1;
    }

    .metric-panel {
        order: 2;
    }

    .feed-panel {
        order: 3;
    }

    html,
    body,
    .app-shell {
        height: auto;
        overflow: auto;
    }

    .utc-clock {
        display: none;
    }
}

@media (min-width: 1201px) {
    .app-shell {
        height: 100vh;
        overflow: hidden;
    }
}

@media (min-width: 1201px) and (max-height: 920px) {
    .metric-panel {
        overflow-y: auto;
        scrollbar-width: thin;
        scrollbar-color: var(--border-strong) var(--bg);
    }

    .metric-panel::-webkit-scrollbar {
        width: 4px;
    }

    .metric-panel::-webkit-scrollbar-track {
        background: var(--bg);
    }

    .metric-panel::-webkit-scrollbar-thumb {
        background: var(--border-strong);
    }

    .metric-card {
        padding: 7px 9px 5px;
    }

    .panel-block {
        padding: 5px 7px 7px;
    }

    .chart-wrap {
        height: 84px;
    }

    .weight-row {
        padding: 2px 6px;
    }

    .summary-block {
        min-height: 180px;
    }

    .briefing-card {
        gap: 6px;
    }
}

@media (max-width: 720px) {
    .topbar {
        padding: 8px;
    }

    .grid {
        padding: 6px;
    }

    .footer {
        padding: 6px 8px;
        flex-direction: column;
        gap: 4px;
    }
}