/* ── CBA Reference — shared design tokens & base styles ── */

:root {
    /* Dark chrome (navbar, sidebar) */
    --chrome-high: #38383d;
    --chrome-low: #2e2e32;
    --chrome-border: #44444a;
    --chrome-text: #aaa;
    --chrome-text-bright: #f0f0f6;
    --chrome-text-mid: #c4c4d4;
    --chrome-text-dim: #686878;

    /* Light content surfaces */
    --surface-page: #efefef;
    --surface: #ffffff;
    --surface-raised: #f5f5f5;
    --surface-sunken: #ebebeb;
    --border: #ddd;
    --border-subtle: #eee;

    /* Text scale */
    --text: #1a1a1a;
    --text-2: #333;
    --text-3: #666;
    --text-muted: #888;
    --text-faint: #999;

    /* Accent green */
    --accent: #2a7a2a;
    --accent-hover: #1a5a1a;
    --accent-light: #6ab86a;
    --accent-light-hover: #8edd8e;
    --accent-btn: #1a7f3c;
    --accent-btn-hover: #166a32;
    --success: #4caf50;
}

/* ── Reset ── */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        sans-serif;
}

/* ── Brand bar ── */

.brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem 0.75rem;
    background: var(--chrome-high);
    border-bottom: 1px solid var(--chrome-border);
}

.brand-left {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.brand-icon {
    width: 14px;
    height: 14px;
    opacity: 0.6;
}

.brand-name {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--chrome-text);
}

/* ── Clocks ── */

.clock {
    padding: 0.4rem 0.6rem;
    border-bottom: 1px solid var(--chrome-border);
}

.clock[data-tz="UTC"] {
    background: #35353a;
}
.clock[data-tz="America/Los_Angeles"] {
    background: #3a2e2e;
}
.clock[data-tz="America/Phoenix"] {
    background: #3a3228;
}
.clock[data-tz="America/Denver"] {
    background: #2e382e;
}
.clock[data-tz="America/Chicago"] {
    background: #2e3838;
}
.clock[data-tz="America/New_York"] {
    background: #2e3040;
}
.clock[data-tz="America/Puerto_Rico"] {
    background: #352e3e;
}

.clock-tz {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--chrome-text-bright);
    padding: 0.25rem 0.6rem;
    margin: -0.4rem -0.6rem 0.35rem -0.63rem;
}

.clock[data-tz="UTC"] .clock-tz {
    background: #505060;
}
.clock[data-tz="America/Los_Angeles"] .clock-tz {
    background: #8a2828;
}
.clock[data-tz="America/Phoenix"] .clock-tz {
    background: #7e4a10;
}
.clock[data-tz="America/Denver"] .clock-tz {
    background: #255a25;
}
.clock[data-tz="America/Chicago"] .clock-tz {
    background: #185c5c;
}
.clock[data-tz="America/New_York"] .clock-tz {
    background: #253888;
}
.clock[data-tz="America/Puerto_Rico"] .clock-tz {
    background: #4e1e80;
}

.clock-offset {
    font-size: 0.6rem;
    font-weight: 400;
    font-family: monospace;
    color: var(--chrome-text-bright);
}

.clock-time {
    font-size: 1.4rem;
    font-family: monospace;
    font-weight: bold;
    line-height: 1.1;
    color: var(--chrome-text-bright);
    letter-spacing: 0.03em;
}

.clock-seconds {
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--chrome-text-dim);
}

.clock-date {
    font-size: 0.63rem;
    color: var(--chrome-text-dim);
    margin-bottom: 0.1rem;
    font-family: monospace;
}

.clock-bases {
    font-size: 0.68rem;
    margin-top: 0.15rem;
    line-height: 1.5;
}

.base-code {
    color: var(--chrome-text-mid);
    font-weight: 600;
    font-family: monospace;
}

.base-id {
    color: var(--chrome-text-dim);
    font-family: monospace;
}