:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --fg: #1a1d23;
  --fg-dim: #6b7280;
  --border: #e5e7eb;
  --accent: #4ad8c7;
  --healthy: #22c55e;
  --warn: #f59e0b;
  --crit: #ef4444;
  --t-365: #4a9eff;
  --t-370: #4ad8c7;
  --t-380: #ffb347;
  --t-390: #ff7a45;
  --t-400: #ff4757;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }

#admin[data-state="login"]     .state-dashboard { display: none; }
#admin[data-state="dashboard"] .state-login     { display: none; }

/* Login */
.state-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  width: 100%;
  max-width: 360px;
  text-align: center;
}
.login-card h1 { margin: 0 0 0.5rem; font-size: 1.6rem; color: var(--accent); display: flex; align-items: center; gap: 0.5rem; justify-content: center; }
.login-card .muted { margin: 0 0 1.5rem; }
.login-card input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  margin-bottom: 0.75rem;
}
.login-card .primary { width: 100%; }
.login-card .error { color: var(--crit); margin: 0.75rem 0 0; font-size: 0.9rem; }

/* Topbar */
.topbar {
  display: flex;
  flex-direction: column;
  padding: 0.9rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  gap: 0.6rem;
}
.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.topbar-row-end {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.icon-btn {
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
}
#refreshBtn.refreshing { animation: spin 0.6s linear; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.topbar h1 { margin: 0; font-size: 1.2rem; font-weight: 600; color: var(--accent); display: flex; align-items: center; gap: 0.5rem; }
.logo {
  width: 1.6rem;
  height: 1.6rem;
  display: inline-block;
  vertical-align: middle;
  color: var(--accent);
}
.login-card .logo { width: 2rem; height: 2rem; }
.topbar-actions { display: flex; gap: 0.5rem; align-items: center; }
.auto-status {
  font-size: 0.8rem;
  color: var(--fg-dim);
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  white-space: nowrap;
}
.auto-status.sent { color: var(--healthy); border-color: color-mix(in srgb, var(--healthy) 40%, var(--border)); }

button {
  font: inherit;
  cursor: pointer;
  border-radius: 10px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  background: var(--card);
}
button.primary { background: var(--fg); color: var(--card); border-color: var(--fg); font-weight: 600; }
button.ghost   { background: transparent; }

/* Dashboard */
.dashboard {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}
.dashboard .card { grid-column: span 2; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
}
.card h2 { font-size: 1rem; margin: 0 0 1rem; color: var(--fg-dim); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }

.overview { display: grid; gap: 1.25rem; grid-template-columns: repeat(3, 1fr); }
.metric { display: flex; flex-direction: column; gap: 0.25rem; }
.metric .label { font-size: 0.8rem; color: var(--fg-dim); }
.metric .value { font-size: 2.25rem; font-weight: 700; letter-spacing: -0.02em; }
.metric.small .value { font-size: 1rem; font-weight: 500; }
.metric .status { font-size: 0.85rem; color: var(--fg-dim); }

/* Departments */
.dept-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.dept {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}
.dept strong { font-size: 0.95rem; }
.dept-temp { font-size: 1.75rem; font-weight: 700; margin-top: 0.25rem; }
.dept-rate { font-size: 0.85rem; color: var(--fg-dim); margin-top: 0.25rem; }
.dept-cap-row { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--border); }
.dept-cap-current { font-size: 0.8rem; color: var(--fg-dim); display: block; margin-bottom: 0.5rem; }
.dept-cap-edit { display: flex; gap: 0.4rem; }
.dept-cap-edit input {
  width: 100%;
  min-width: 0;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 0.9rem;
}
.dept-cap-edit button { padding: 0.4rem 0.8rem; font-size: 0.85rem; }

/* Department filter pills */
.dept-filter { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.dept-filter-btn {
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  color: var(--fg-dim);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.dept-filter-btn:hover { color: var(--fg); }
.dept-filter-btn.active {
  background: var(--fg);
  color: var(--card);
  border-color: var(--fg);
}

/* Distribution bars */
.bars { display: flex; flex-direction: column; gap: 0.5rem; }
.bar-row { display: grid; grid-template-columns: 56px 1fr 90px; gap: 0.75rem; align-items: center; }
.bar-label { font-weight: 600; }
.bar-track { height: 24px; background: var(--bg); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; transition: width 0.3s ease; }
.bar-fill.t-365 { background: var(--t-365); }
.bar-fill.t-370 { background: var(--t-370); }
.bar-fill.t-380 { background: var(--t-380); }
.bar-fill.t-390 { background: var(--t-390); }
.bar-fill.t-400 { background: var(--t-400); }
.bar-pct { font-size: 0.85rem; color: var(--fg-dim); text-align: right; }

.chart { min-height: 200px; }

/* Timeline */
.timeline-chart {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 0.5rem;
  align-items: end;
  padding: 0.5rem 0;
}
.tl-bar { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; min-width: 0; }
.tl-temp { font-size: 0.8rem; font-weight: 600; height: 1.1rem; }
.tl-track {
  width: 100%;
  height: 140px;
  background: var(--bg);
  border-radius: 6px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.tl-fill { width: 100%; transition: height 0.3s ease; min-height: 2px; }
.tl-fill.t-365 { background: var(--t-365); }
.tl-fill.t-370 { background: var(--t-370); }
.tl-fill.t-380 { background: var(--t-380); }
.tl-fill.t-390 { background: var(--t-390); }
.tl-fill.t-400 { background: var(--t-400); }
.tl-day { font-size: 0.75rem; color: var(--fg-dim); margin-top: 0.25rem; text-align: center; white-space: nowrap; }
.tl-count { font-size: 0.7rem; color: var(--fg-dim); }
.muted { color: var(--fg-dim); font-style: italic; }

/* Danger zone */
.danger-zone { border-color: color-mix(in srgb, var(--crit) 40%, var(--border)); }
.danger-zone .muted { font-style: normal; margin: 0 0 1rem; }
.danger-btn {
  background: var(--crit);
  color: var(--card);
  border-color: var(--crit);
  font-weight: 600;
}
.danger-btn:hover:not(:disabled) { filter: brightness(1.05); }
.danger-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.reset-confirm {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.reset-confirm .hint { margin: 0 0 0.6rem; font-size: 0.9rem; color: var(--fg-dim); font-style: normal; }
.reset-confirm input {
  width: 100%;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
}
.reset-actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; justify-content: flex-end; }