:root {
    color-scheme: light dark;

    --bg: #ffffff;
    --fg: #1b1b1b;
    --muted: #6a6a6a;
    --line: #e2e2e2;
    --panel: #f7f7f8;
    --accent: #1a56db;
    --danger: #b3261e;
    --ok: #146c2e;
    --warn: #8a5300;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #16181c;
        --fg: #e8e8e8;
        --muted: #9aa0a6;
        --line: #2c2f36;
        --panel: #1d2026;
        --accent: #7aa2f7;
        --danger: #f2837a;
        --ok: #7ec98f;
        --warn: #e0b25f;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 14px/1.55 -apple-system, "Segoe UI", system-ui, sans-serif;
}

.shell { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }

.sidebar {
    border-right: 1px solid var(--line);
    padding: 18px 0;
    background: var(--panel);
    display: flex;
    flex-direction: column;
}

.brand { font-weight: 650; padding: 0 18px 16px; letter-spacing: -.01em; }

a.nav {
    display: block;
    padding: 8px 18px;
    color: var(--fg);
    text-decoration: none;
    border-left: 3px solid transparent;
}
a.nav:hover { background: rgba(128,128,128,.10); }
a.nav.active { border-left-color: var(--accent); color: var(--accent); font-weight: 600; }

.signout { margin-top: auto; padding: 12px 18px 0; }

main { padding: 26px 32px 60px; max-width: 1100px; }

h1 { font-size: 20px; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 26px 0 10px; }
p.lede { color: var(--muted); margin: 0 0 22px; }

/* ---------- tables ---------- */

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:hover td { background: rgba(128,128,128,.05); }

/* ---------- cards ---------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 22px; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; background: var(--panel); }
.card .value { font-size: 22px; font-weight: 620; font-variant-numeric: tabular-nums; }
.card .label { color: var(--muted); font-size: 12px; }

/* ---------- forms ---------- */

label { display: block; font-weight: 600; margin: 14px 0 4px; }
input, textarea, select {
    width: 100%;
    padding: 8px 10px;
    font: inherit;
    color: inherit;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 6px;
}
textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
.hint { color: var(--muted); font-size: 12px; margin-top: 3px; }

button, .btn {
    font: inherit;
    padding: 7px 13px;
    border-radius: 6px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: inherit;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
button.link { border: none; background: none; color: var(--accent); padding: 0; }
button:disabled { opacity: .5; cursor: default; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.actions { margin-top: 18px; display: flex; gap: 8px; }

/* ---------- badges ---------- */

.badge {
    display: inline-block;
    padding: 1px 7px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid currentColor;
    white-space: nowrap;
}
.badge.ok { color: var(--ok); }
.badge.warn { color: var(--warn); }
.badge.bad { color: var(--danger); }
.badge.mute { color: var(--muted); }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; }

/* ---------- notices ---------- */

.notice { border-left: 3px solid var(--accent); background: rgba(128,128,128,.08); padding: 10px 14px; border-radius: 0 6px 6px 0; margin: 14px 0; }
.notice.warn { border-left-color: var(--warn); }
.notice.bad { border-left-color: var(--danger); }

/* ---------- review queue ---------- */

.draft {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 14px;
    background: var(--panel);
}
.draft header { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; margin-bottom: 8px; }
.draft .who { font-weight: 620; }
.draft .rationale { color: var(--muted); font-size: 12px; font-style: italic; margin-bottom: 8px; }
.draft textarea { background: var(--bg); }

/* ---------- login ---------- */

.centred { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login { width: 340px; border: 1px solid var(--line); border-radius: 10px; padding: 24px; background: var(--panel); }
.login h1 { margin-bottom: 16px; }

.error { color: var(--danger); margin-top: 10px; }