:root {
  --bg: #f4f6f4;
  --card: #ffffff;
  --text: #1a2420;
  --muted: #5d6b64;
  --line: #dde3df;
  --brand: #14532d;
  --open: #15803d;
  --open-bg: #dcfce7;
  --close: #b45309;
  --close-bg: #fef3c7;
  --bad: #b91c1c;
  --bad-bg: #fee2e2;
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1412;
    --card: #18201c;
    --text: #e6ece8;
    --muted: #98a69f;
    --line: #2a3530;
    --brand: #4ade80;
    --open: #22c55e;
    --open-bg: #12301e;
    --close: #f59e0b;
    --close-bg: #3a2a0a;
    --bad: #f87171;
    --bad-bg: #3a1414;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.app { max-width: 640px; margin: 0 auto; padding: 0 16px 48px; }

.top { padding: 16px 0 8px; }
.top h1, .login h1 { margin: 0 0 12px; font-size: 1.5rem; color: var(--brand); }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; padding-bottom: 4px; }
.tab {
  flex: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
}
.tab.active { background: var(--brand); border-color: var(--brand); color: var(--bg); }

body:not(.is-admin) .admin-only { display: none !important; }

.view { padding-top: 12px; }

.status {
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  margin-bottom: 16px;
}
.status.good { background: var(--open-bg); border-color: transparent; }
.status.warn { background: var(--close-bg); border-color: transparent; }
.status.bad { background: var(--bad-bg); border-color: transparent; }

.gate-buttons { display: grid; gap: 14px; }
.big {
  border: 0;
  border-radius: 20px;
  padding: 34px 16px;
  font: 700 1.6rem/1 system-ui, sans-serif;
  color: #fff;
  cursor: pointer;
  transition: transform 0.08s, opacity 0.2s;
}
.big:active { transform: scale(0.98); }
.big:disabled { opacity: 0.55; cursor: wait; }
.big.open { background: var(--open); }
.big.close { background: var(--close); }
.big.flash { outline: 4px solid var(--brand); outline-offset: 3px; }

.hint { color: var(--muted); font-size: 0.9rem; }
.msg { min-height: 1.4em; color: var(--bad); }
.msg.ok { color: var(--open); }
.small { color: var(--muted); font-size: 0.85rem; }
.bad-text { color: var(--bad); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 16px 0;
}
.card h2 { margin: 0 0 12px; font-size: 1.1rem; }

label { display: block; margin-bottom: 12px; font-size: 0.9rem; color: var(--muted); }
label.inline { display: flex; align-items: center; gap: 8px; color: var(--text); }
input:not([type=checkbox]), select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--brand); }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.days { border: 0; padding: 0; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.days legend { font-size: 0.9rem; color: var(--muted); margin-bottom: 6px; padding: 0; }
.days label {
  display: flex; align-items: center; gap: 6px; margin: 0;
  padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--text);
}

.actions { display: flex; gap: 8px; flex-wrap: wrap; }
button.primary, button.ghost {
  font: inherit;
  border-radius: 10px;
  padding: 10px 16px;
  cursor: pointer;
}
button.primary { border: 0; background: var(--brand); color: var(--bg); font-weight: 600; }
button.ghost { border: 1px solid var(--line); background: transparent; color: var(--text); }
button.ghost.danger { color: var(--bad); }
.small-btn { margin-top: 8px; padding: 6px 12px; }

.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.item.off { opacity: 0.6; }
.item.fail { border-color: var(--bad); }
.item-main { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.item-actions { display: flex; gap: 6px; }
.item-actions button { padding: 6px 10px; font-size: 0.9rem; }
.log .item { justify-content: flex-start; }
.ts { min-width: 7.5em; }
.time { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.empty { color: var(--muted); padding: 12px 0; }

.badge { font-size: 0.8rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.badge.open { background: var(--open-bg); color: var(--open); }
.badge.close { background: var(--close-bg); color: var(--close); }

.login { max-width: 360px; margin: 12vh auto 0; padding: 0 16px; }
.login button { width: 100%; padding: 12px; }
.setup { margin-top: 6px; }
.setup code { display: block; margin-top: 4px; word-break: break-all; user-select: all; }