/* TEOS Hours — dark utilitarian UI */
:root {
  --ground: #0e1116;
  --surface: #161b22;
  --surface-2: #1c232d;
  --border: #2a333f;
  --border-soft: #212934;
  --text: #e6edf3;
  --text-mid: #9da7b3;
  --text-dim: #6b7684;
  --accent: #4c9be8;
  --accent-ink: #08121c;
  --billable: #3fb950;
  --internal: #b0813f;
  --external: #a371f7;
  --danger: #e5534b;
  --font: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--ground);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }

/* ---------- shell ---------- */
.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: baseline; gap: 8px; font-weight: 600; letter-spacing: .2px; }
.brand b { color: var(--accent); }
.brand span { color: var(--text-dim); font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 1px; }
.tabs { display: flex; gap: 4px; }
.tabs button {
  background: transparent; border: 1px solid transparent; color: var(--text-mid);
  padding: 6px 14px; border-radius: 6px;
}
.tabs button:hover { color: var(--text); background: var(--surface-2); }
.tabs button[aria-selected="true"] { color: var(--text); background: var(--surface-2); border-color: var(--border); }
.who { margin-left: auto; color: var(--text-dim); font: 500 12px/1 var(--mono); text-align: right; }
.who b { color: var(--text-mid); font-weight: 500; }
.who .warn { color: var(--internal); }

main { max-width: 1220px; margin: 0 auto; padding: 24px 20px 80px; }
.panel { display: none; }
.panel.active { display: block; }

h2 { font-size: 15px; font-weight: 600; margin: 0 0 14px; }
h3 { font-size: 13px; font-weight: 600; color: var(--text-mid); margin: 26px 0 10px;
  text-transform: uppercase; letter-spacing: .6px; }
.hint { color: var(--text-dim); font-size: 12px; margin: 6px 0 0; }

/* ---------- cards / form ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
}
.form-grid {
  display: grid; gap: 14px 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .8px; color: var(--text-dim); }
.field input[type="text"], .field input[type="date"], .field input[type="number"], .field select, .field textarea {
  background: var(--ground); border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 10px; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent);
}
.field.check { flex-direction: row; align-items: center; gap: 8px; align-self: end; padding-bottom: 8px; }
.field.check label { text-transform: none; font-family: var(--font); font-size: 13px; letter-spacing: 0; color: var(--text-mid); }
.field.wide { grid-column: 1 / -1; }

.actions { display: flex; gap: 10px; margin-top: 16px; align-items: center; }
.btn {
  background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent);
  font-weight: 600; padding: 8px 18px; border-radius: 6px;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text-mid); border-color: var(--border); }
.btn.ghost:hover { color: var(--text); background: var(--surface-2); }
.btn.sm { padding: 4px 10px; font-size: 12px; font-weight: 500; }
.btn.danger { background: transparent; color: var(--danger); border-color: transparent; }
.btn.danger:hover { background: rgba(229, 83, 75, .12); }

.msg { font-size: 13px; }
.msg.ok { color: var(--billable); }
.msg.err { color: var(--danger); }

/* ---------- filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 16px; }
.filters .field { min-width: 140px; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
thead th {
  background: var(--surface-2); color: var(--text-dim);
  font: 500 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .6px;
  position: sticky; top: 0;
}
tbody tr:hover { background: var(--surface); }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
td.task { white-space: normal; min-width: 220px; color: var(--text-mid); }
tfoot td { border-top: 2px solid var(--border); font-weight: 600; background: var(--surface-2); }

td input, td select { background: var(--ground); border: 1px solid var(--border); border-radius: 4px; padding: 4px 6px; width: 100%; min-width: 90px; }

.pill {
  display: inline-block; padding: 1px 7px; border-radius: 999px;
  font: 500 11px/1.6 var(--mono); border: 1px solid transparent;
}
.pill.bill { color: var(--billable); border-color: rgba(63, 185, 80, .35); background: rgba(63, 185, 80, .1); }
.pill.int { color: var(--internal); border-color: rgba(176, 129, 63, .35); background: rgba(176, 129, 63, .1); }
.pill.ext { color: var(--external); border-color: rgba(163, 113, 247, .35); background: rgba(163, 113, 247, .1); }
.pill.mo { color: var(--text-dim); border-color: var(--border); }

/* ---------- KPIs ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 8px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.kpi .v { font: 600 24px/1.1 var(--mono); font-variant-numeric: tabular-nums; }
.kpi .l { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

/* ---------- bar list ---------- */
.bars { display: flex; flex-direction: column; gap: 6px; }
.bar-row { display: grid; grid-template-columns: 160px 1fr 64px; align-items: center; gap: 10px; font-size: 13px; }
.bar-row .name { color: var(--text-mid); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { background: var(--surface-2); border-radius: 4px; height: 18px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); opacity: .8; }
.bar-fill.int { background: var(--internal); }
.bar-fill.ext { background: var(--external); }
.bar-row .val { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--text); }

.empty { color: var(--text-dim); padding: 24px; text-align: center; font-size: 13px; }
.loading { color: var(--text-dim); padding: 24px; font-size: 13px; }

/* ---------- login ---------- */
.login-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: var(--ground);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.login-overlay[hidden] { display: none; }
.login-card {
  width: 100%; max-width: 340px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; display: flex; flex-direction: column; gap: 14px;
}
.login-card .brand { font-size: 16px; }
.login-card .hint { margin: 0; }
.login-card .btn { margin-top: 4px; }
.login-card .msg { min-height: 16px; }

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; gap: 10px; }
  .who { width: 100%; text-align: left; margin-left: 0; }
  .bar-row { grid-template-columns: 110px 1fr 56px; }
}