:root {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --accent: #d97706;
  --accent-text: #ffffff;
  --bar: #1f2937;
  --bar-text: #f9fafb;
  --border: #e5e7eb;
  --ok: #16a34a;
  --warn: #ca8a04;
  --error: #b91c1c;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827;
    --surface: #1f2937;
    --text: #f9fafb;
    --muted: #9ca3af;
    --bar: #030712;
    --border: #374151;
    --error: #f87171;
  }
}

* { box-sizing: border-box; }
/* `hidden` must win over the display of a class (.app, .auth, .nav are grids). */
[hidden] { display: none !important; }

body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bar);
  color: var(--bar-text);
}
.brand { font-weight: 600; }
.bar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.who { font-size: 0.875rem; opacity: 0.85; }
.menu { min-height: 36px; padding: 0 10px; background: transparent; color: var(--bar-text); border: 1px solid #4b5563; }

h1 { font-size: 1.5rem; margin: 0 0 12px; }
h2 { font-size: 1.125rem; margin: 24px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }

button {
  font: inherit;
  font-weight: 600;
  min-height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.light { color: var(--bar-text); border-color: #4b5563; }
button.small { min-height: 32px; padding: 0 10px; font-size: 0.875rem; }
button.danger { background: var(--error); color: #fff; }
button:disabled { opacity: 0.5; cursor: default; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

input, select, textarea {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}
label { display: grid; gap: 4px; font-weight: 500; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 400; }

.auth { min-height: calc(100vh - 56px); display: grid; place-items: center; padding: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; display: grid; gap: 14px; width: min(420px, 100%); }
.code { font-family: ui-monospace, monospace; font-size: 1.1rem; letter-spacing: 0.1em; word-break: break-all; background: var(--bg); padding: 10px; border-radius: 8px; }

.app { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 56px); }
.nav { background: var(--surface); border-right: 1px solid var(--border); padding: 12px 8px; display: grid; align-content: start; gap: 2px; }
.nav a { color: var(--text); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 500; }
.nav a:hover { background: var(--bg); }
.nav a.active { background: color-mix(in srgb, var(--accent) 15%, var(--surface)); color: var(--accent); }
.view { padding: 20px; min-width: 0; }

@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .nav { position: fixed; inset: 56px auto 0 0; width: 240px; z-index: 5; box-shadow: 0 8px 24px rgb(0 0 0 / 0.2); }
  .nav[hidden] { display: none; }
  .view { padding: 16px; }
}

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 16px; }
.filters label { font-size: 0.875rem; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tab { background: var(--surface); color: var(--text); border: 1px solid var(--border); font-weight: 500; }
.tab.active { border-color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent); }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.stat small { color: var(--muted); display: block; }
.stat strong { font-size: 1.35rem; font-variant-numeric: tabular-nums; }

.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; position: sticky; top: 0; background: var(--surface); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td input { width: 100%; min-width: 80px; }
td .detail { color: var(--muted); font-size: 0.8rem; max-width: 420px; overflow-wrap: anywhere; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.8rem; font-weight: 600; background: var(--bg); }
.badge.ok { background: color-mix(in srgb, var(--ok) 18%, var(--surface)); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 20%, var(--surface)); color: var(--warn); }
.badge.bad { background: color-mix(in srgb, var(--error) 18%, var(--surface)); color: var(--error); }

.bars { display: grid; gap: 4px; }
.barrow { display: grid; grid-template-columns: 140px 1fr 110px; gap: 8px; align-items: center; font-size: 0.85rem; }
.barrow .fill { height: 14px; background: var(--accent); border-radius: 4px; min-width: 2px; }
.barrow span:last-child { text-align: right; font-variant-numeric: tabular-nums; }

.heat { display: grid; grid-template-columns: 44px repeat(24, minmax(18px, 1fr)); gap: 2px; font-size: 0.7rem; overflow-x: auto; }
.heat div { text-align: center; padding: 4px 0; border-radius: 3px; }
.heat .cell { background: color-mix(in srgb, var(--accent) var(--p), var(--surface)); }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; align-items: end; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px; margin-bottom: 16px; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 14px; }

.message { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); max-width: min(560px, 90vw); background: var(--bar); color: var(--bar-text); padding: 10px 16px; border-radius: 10px; z-index: 20; }
.message.error { background: var(--error); color: #fff; }

dialog { width: min(520px, calc(100vw - 32px)); border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text); padding: 16px; }
dialog::backdrop { background: rgb(0 0 0 / 0.5); }
dialog h2 { margin-top: 0; }
#dialog-body { display: grid; gap: 10px; }
.small-input { width: 80px; text-align: right; }
.detail { margin: 8px 0; }