:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e2229;
  --border: #2a2f3a;
  --text: #e8eaed;
  --muted: #9aa4b2;
  --accent: #4f8cff;
  --red: #e05a5a;
  --amber: #e8b13a;
  --green: #33c46a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5f7;
    --panel: #ffffff;
    --panel-2: #f0f1f4;
    --border: #dde1e6;
    --text: #1b1f27;
    --muted: #5b6472;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  padding: 16px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 4px;
}

h1 { font-size: 1.3rem; margin: 0; }
.updated { color: var(--muted); font-size: 0.8rem; }

.day-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  margin-bottom: 16px;
}

.day-tab {
  flex: 0 0 auto;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.8rem;
  text-align: center;
  cursor: pointer;
  line-height: 1.3;
}

.day-tab .day-name { display: block; font-weight: 600; }
.day-tab .day-date { display: block; color: var(--muted); font-size: 0.72rem; }

.day-tab.active {
  background: var(--accent, #4f8cff);
  border-color: var(--accent, #4f8cff);
  color: #fff;
}
.day-tab.active .day-date { color: rgba(255,255,255,0.85); }

.offline-banner {
  background: rgba(224,90,90,0.15);
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  text-align: center;
}

.summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.sum-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 10px;
  text-align: center;
}

.sum-value { font-size: 2.2rem; font-weight: 800; line-height: 1; }
.sum-label { color: var(--muted); font-size: 0.82rem; margin-top: 6px; }

.sum-urgent .sum-value { color: var(--red); }
.sum-general .sum-value { color: var(--amber); }
.sum-tidy .sum-value { color: var(--green); }
.sum-total .sum-value { color: var(--text); }

.room-section { margin-bottom: 28px; }

.section-title {
  font-size: 1.05rem;
  margin: 0 0 12px;
}

.urgent-title { color: var(--red); }
.general-title { color: var(--amber); }
.tidy-title { color: var(--green); }

.room-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.room-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 5px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}

.room-card.card-urgent { border-left-color: var(--red); }
.room-card.card-general { border-left-color: var(--amber); }
.room-card.card-tidy { border-left-color: var(--green); }

.room-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.room-number { font-size: 1.3rem; font-weight: 700; }

.room-badge {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.badge-urgent { background: rgba(224,90,90,0.15); color: var(--red); }

.room-details {
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
}

.empty-note {
  color: var(--muted);
  font-size: 0.9rem;
  font-style: italic;
  margin: 0;
}

@media (min-width: 480px) {
  .summary { grid-template-columns: repeat(4, 1fr); }
}