:root {
  --bg: #f5f7f4;
  --surface: #ffffff;
  --surface-2: #eef4f0;
  --ink: #1e2723;
  --muted: #66746e;
  --line: #dce4df;
  --accent: #176b5b;
  --accent-2: #0f9f8e;
  --warn: #b86b00;
  --danger: #b84242;
  --ok: #23834a;
  --shadow: 0 16px 40px rgba(26, 40, 34, 0.09);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  display: grid;
  grid-template-columns: 248px 1fr;
}

body.locked {
  overflow: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.sidebar {
  background: #182520;
  color: #f7fbf8;
  min-height: 100vh;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #30b99e;
  color: #10201c;
  font-weight: 800;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  color: #a8bbb3;
  font-size: 12px;
  margin-top: 3px;
}

.nav {
  display: grid;
  gap: 7px;
}

.system-nav {
  display: grid;
  gap: 7px;
  border-top: 1px dashed rgba(255, 255, 255, 0.2);
  padding-top: 16px;
}

.nav-section-title {
  color: #93aaa1;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  padding: 0 14px 4px;
}

.nav-item,
.ghost-button,
.primary-button,
.secondary-button,
.icon-button {
  border: 0;
  border-radius: 8px;
}

.nav-item {
  color: #dbe8e3;
  background: transparent;
  padding: 12px 14px;
  text-align: left;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.sidebar .ghost-button {
  margin-top: auto;
  color: #e5f3ef;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.app-shell {
  min-width: 0;
  padding: 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 28px;
}

h2 {
  font-size: 17px;
  margin-bottom: 0;
}

.topbar-actions {
  display: flex;
  align-items: end;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

.search-box {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.search-box input,
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 8px;
  padding: 11px 12px;
  outline: 0;
}

.search-box input {
  width: min(36vw, 360px);
}

.search-box input:focus,
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(15, 159, 142, 0.12);
}

.primary-button {
  background: var(--accent);
  color: #ffffff;
  padding: 11px 16px;
  font-weight: 700;
}

.secondary-button,
.ghost-button {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 10px 14px;
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.row-actions button:hover,
.icon-button:hover {
  border-color: rgba(23, 107, 91, 0.35);
  box-shadow: 0 6px 18px rgba(26, 40, 34, 0.08);
}

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(245, 247, 244, 0.96);
}

.login-overlay.hidden {
  display: none;
}

.login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-card h1 {
  font-size: 24px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card,
.panel,
.table-wrap,
.room-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 18px;
}

.metric-card span {
  color: var(--muted);
  font-size: 13px;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
}

.summary-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.6fr) minmax(360px, 1.4fr);
  gap: 18px;
  margin-bottom: 18px;
}

.summary-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.summary-list {
  display: grid;
  gap: 10px;
}

.summary-row {
  display: grid;
  grid-template-columns: minmax(100px, 1fr) auto;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.summary-row strong {
  font-size: 20px;
}

.summary-row span,
.summary-row small {
  color: var(--muted);
}

.panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 18px;
}

.panel {
  padding: 18px;
}

.panel-head,
.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-head span {
  color: var(--muted);
  font-size: 13px;
}

.room-map,
.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.room-map {
  display: block;
}

.room-groups {
  display: grid;
  gap: 14px;
}

.room-stats-layout {
  display: block;
}

.room-stats-layout .room-groups {
  display: grid;
  gap: 18px;
}

.room-stats-layout .room-group {
  width: 100%;
}

.room-stats-layout .room-group-grid {
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}

.room-group {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 12px;
  background: rgba(238, 244, 240, 0.45);
}

.room-group-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  border-bottom: 1px solid rgba(220, 228, 223, 0.78);
  padding-bottom: 10px;
}

.room-group-head strong {
  color: var(--ink);
  font-size: 15px;
}

.room-group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.room-card {
  padding: 14px;
}

.room-card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.room-card h3 {
  margin: 0;
  font-size: 18px;
}

.beds {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.bed {
  min-height: 34px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
  padding: 4px;
  text-align: center;
}

.bed.busy {
  background: rgba(23, 107, 91, 0.12);
  color: var(--accent);
  font-weight: 700;
}

.occupancy-bar {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-2);
  margin-bottom: 12px;
}

.occupancy-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent-2);
}

.task-list {
  display: grid;
  gap: 10px;
}

.task-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 5px;
}

.task-item span {
  color: var(--muted);
  font-size: 13px;
}

.segmented {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
}

.segmented button {
  border: 0;
  background: transparent;
  border-radius: 6px;
  padding: 8px 13px;
  color: var(--muted);
}

.segmented button.active {
  background: var(--accent);
  color: #ffffff;
}

.table-wrap {
  overflow: auto;
  max-height: calc(100vh - 190px);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1180px;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  background: #f9fbfa;
}

tr:last-child td {
  border-bottom: 0;
}

.muted {
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  background: var(--surface-2);
  color: var(--muted);
  white-space: nowrap;
}

.tag.ok {
  color: var(--ok);
  background: rgba(35, 131, 74, 0.12);
}

.tag.warn {
  color: var(--warn);
  background: rgba(184, 107, 0, 0.12);
}

.tag.danger {
  color: var(--danger);
  background: rgba(184, 66, 66, 0.12);
}

.row-actions {
  display: flex;
  gap: 8px;
}

.row-actions button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  padding: 7px 10px;
}

dialog {
  border: 0;
  padding: 0;
  background: transparent;
  width: min(720px, calc(100vw - 28px));
}

dialog::backdrop {
  background: rgba(9, 19, 15, 0.48);
}

.dialog-card {
  background: var(--surface);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
  padding: 20px;
}

.dialog-head,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dialog-head {
  margin-bottom: 16px;
}

.dialog-actions {
  margin-top: 18px;
}

.icon-button {
  width: 36px;
  height: 36px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.inline-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr)) auto;
  align-items: end;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.field.wide {
  grid-column: 1 / -1;
}

.field textarea {
  min-height: 90px;
  resize: vertical;
}

.empty-state {
  padding: 28px;
  color: var(--muted);
  text-align: center;
}

.system-nav.hidden,
.admin-only.hidden,
.nav-item.hidden {
  display: none;
}

@media (max-width: 920px) {
  body {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
    position: sticky;
    top: 0;
    z-index: 4;
    padding: 14px;
  }

  .brand {
    display: none;
  }

  .nav {
    display: flex;
    overflow-x: auto;
  }

  .nav-item {
    white-space: nowrap;
  }

  .sidebar .ghost-button {
    display: none;
  }

  .app-shell {
    padding: 18px;
  }

  .topbar,
  .topbar-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions {
    gap: 9px;
  }

  .topbar-actions button,
  .topbar-actions .search-box {
    width: 100%;
  }

  .search-box input {
    width: 100%;
  }

  .table-wrap {
    max-height: none;
  }

  .metric-grid,
  .summary-grid,
  .panel-grid {
    grid-template-columns: 1fr;
  }

  .room-group-grid,
  .room-grid,
  .room-stats-layout .room-group-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .inline-form {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 921px) {
  .topbar-actions .secondary-button,
  .topbar-actions .primary-button {
    white-space: nowrap;
  }
}