:root {
  --bg: #f4efe6;
  --panel: rgba(255, 252, 247, 0.88);
  --text: #1c2b2d;
  --muted: #607174;
  --line: rgba(28, 43, 45, 0.12);
  --brand: #0d7a6f;
  --accent: #d18b47;
  --danger: #bf4c3f;
  --shadow: 0 20px 40px rgba(70, 58, 41, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(209, 139, 71, 0.22), transparent 28%),
    radial-gradient(circle at right, rgba(13, 122, 111, 0.18), transparent 30%),
    linear-gradient(180deg, #f9f4ea, #f1ebdf);
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}
.hidden { display: none !important; }
.login-shell, .app-shell { min-height: 100vh; }
.login-shell { display: grid; place-items: center; padding: 24px; }
.login-card, .panel, .hero, .sidebar, .table-wrap table, .room-item {
  background: var(--panel);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.login-card {
  width: min(520px, 100%);
  padding: 32px;
  border-radius: 28px;
}
.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(13, 122, 111, 0.1);
  color: var(--brand);
  font-size: 13px;
  margin-bottom: 10px;
}
h1, h2, h3 { margin: 0 0 12px; }
.muted { color: var(--muted); }
label { display: block; margin: 14px 0 8px; font-weight: 600; }
input, select, textarea, button {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font: inherit;
}
textarea { min-height: 100px; resize: vertical; }
button {
  cursor: pointer;
  background: linear-gradient(135deg, var(--brand), #0c5a53);
  color: #fff;
  border: none;
  margin-top: 16px;
}
.demo-users { margin-top: 16px; display: grid; gap: 6px; color: var(--muted); font-size: 14px; }
.error { color: var(--danger); margin-top: 12px; }
.message { margin-top: 12px; color: var(--brand); }
.app-shell { display: grid; grid-template-columns: 280px 1fr; }
.sidebar {
  margin: 18px;
  padding: 20px;
  border-radius: 24px;
  height: calc(100vh - 36px);
  position: sticky;
  top: 18px;
}
.brand { font-size: 24px; font-weight: 800; margin-bottom: 16px; }
.current-user { margin-bottom: 18px; color: var(--muted); line-height: 1.7; }
.nav {
  text-align: left;
  margin-top: 10px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.nav.active { background: linear-gradient(135deg, rgba(13, 122, 111, 0.18), rgba(209, 139, 71, 0.18)); }
.logout { background: linear-gradient(135deg, #74503a, #4f3627); }
.main { padding: 26px 26px 26px 0; }
.hero, .panel {
  border-radius: 28px;
  padding: 24px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 18px;
  align-items: stretch;
}
.hero-side {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,0.78), rgba(238, 230, 214, 0.9));
  border: 1px solid var(--line);
}
.hero-tip {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}
.alert-list {
  display: grid;
  gap: 10px;
}
.alert-chip {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(209, 139, 71, 0.12);
  border: 1px solid rgba(209, 139, 71, 0.2);
  line-height: 1.6;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}
.mini-list {
  display: grid;
  gap: 10px;
}
.mini-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(13, 122, 111, 0.08);
}
.insight-box {
  line-height: 1.8;
}
.card {
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,0.72), rgba(246,238,225,0.9));
  border: 1px solid var(--line);
}
.num { font-size: 34px; font-weight: 800; }
.label { margin-top: 6px; color: var(--muted); }
.page-head { margin-bottom: 18px; }
.layout-two {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: 18px;
}
.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.room-item {
  border-radius: 22px;
  padding: 18px;
}
.action-row {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}
.status {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  margin-right: 8px;
}
.high {
  background: rgba(191, 76, 63, 0.14);
  color: #b24034;
}
.available { background: rgba(13, 122, 111, 0.14); color: #0d7a6f; }
.occupied { background: rgba(209, 139, 71, 0.16); color: #8b561f; }
.reserved { background: rgba(69, 100, 202, 0.14); color: #3553b7; }
.dirty, .cancelled { background: rgba(191, 76, 63, 0.14); color: #b24034; }
.maintenance { background: rgba(75, 66, 58, 0.18); color: #594d44; }
.checked_in { background: rgba(209, 139, 71, 0.16); color: #8b561f; }
.checked_out { background: rgba(13, 122, 111, 0.14); color: #0d7a6f; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; border-radius: 18px; overflow: hidden; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.ai-box {
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(13, 122, 111, 0.08);
  border: 1px solid rgba(13, 122, 111, 0.14);
  line-height: 1.7;
}
.cleaning-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.clean-card {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,0.74), rgba(247, 239, 228, 0.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.clean-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { height: auto; position: static; margin: 18px 18px 0; }
  .main { padding: 18px; }
  .layout-two { grid-template-columns: 1fr; }
  .hero-grid, .grid-two { grid-template-columns: 1fr; }
}