:root {
  --vh-porcelain: #f5f7fa;
  --vh-paper: #ffffff;
  --vh-ink: #172033;
  --vh-ink-soft: #344056;
  --vh-muted: #778196;
  --vh-line: #dce2ea;
  --vh-line-strong: #c9d1dc;
  --vh-cobalt: #1d5bff;
  --vh-cobalt-dark: #1548cf;
  --vh-cobalt-soft: #edf3ff;
  --vh-brass: #b99146;
  --vh-brass-soft: #f8f2e6;
  --vh-jade: #158466;
  --vh-jade-soft: #e8f6f1;
  --vh-coral: #e45a5a;
  --vh-coral-soft: #fff0ef;
  --vh-amber: #b87818;
  --vh-amber-soft: #fff5df;
  --vh-rail: #18263a;
  --vh-rail-deep: #101b2b;
  --vh-display: "Songti SC", "STSong", "SimSun", serif;
  --vh-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --vh-data: "SFMono-Regular", "Roboto Mono", "Cascadia Mono", "Menlo", monospace;
  --blue: var(--vh-cobalt);
  --blue-strong: var(--vh-cobalt-dark);
  --blue-soft: var(--vh-cobalt-soft);
  --text: var(--vh-ink);
  --muted: var(--vh-muted);
  --line: var(--vh-line);
  --bg: var(--vh-porcelain);
  --panel: var(--vh-paper);
  --green: var(--vh-jade);
  --red: var(--vh-coral);
  --yellow: var(--vh-brass);
  --orange: #d99748;
  --rail: var(--vh-rail);
  --rail-deep: var(--vh-rail-deep);
  --surface-muted: #f8fafc;
  --shadow: 0 1px 2px rgba(23, 32, 51, 0.06);
}

html {
  background: var(--vh-porcelain);
  color-scheme: light;
}

body {
  background: var(--vh-porcelain);
  color: var(--vh-ink);
  font-family: var(--vh-body);
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font-family: var(--vh-body);
  letter-spacing: 0;
}

::selection {
  background: #ccdaff;
  color: var(--vh-ink);
}

button,
input,
select,
textarea,
.quick-item,
.stay-booking,
.sidebar-item,
.stay-side-item,
.stay-rail-item {
  transition:
    background-color 150ms ease,
    border-color 150ms ease,
    box-shadow 150ms ease,
    color 150ms ease,
    opacity 150ms ease,
    transform 150ms ease;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--vh-cobalt);
  outline-offset: 2px;
}

input,
select,
textarea {
  background: var(--vh-paper);
  border-color: var(--vh-line-strong);
  border-radius: 4px;
  color: var(--vh-ink);
}

input:hover,
select:hover,
textarea:hover {
  border-color: #9eabbc;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--vh-cobalt);
  box-shadow: 0 0 0 3px rgba(29, 91, 255, 0.11);
}

input:disabled,
select:disabled,
textarea:disabled {
  background: #f1f3f6;
  color: #8b94a4;
  opacity: 1;
}

/* Login: quiet hospitality, not a marketing hero. */
.login-gate {
  background: var(--vh-porcelain);
  overflow: hidden;
  position: relative;
}

.login-gate::before {
  background: var(--vh-brass);
  content: "";
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 5px;
}

.login-gate.active {
  gap: 56px;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 420px);
}

.login-gate-brand {
  border-left: 1px solid var(--vh-line-strong);
  padding: 18px 0 18px 28px;
}

.login-gate-brand .brand-mark {
  border-radius: 6px;
  box-shadow: 0 10px 24px rgba(29, 91, 255, 0.18);
}

.login-gate-brand strong {
  color: var(--vh-ink);
  font-family: var(--vh-display);
  font-size: 36px;
  font-weight: 700;
}

.login-gate-brand span {
  color: var(--vh-muted);
  font-size: 14px;
  font-weight: 650;
}

.login-gate-panel {
  border: 1px solid var(--vh-line);
  border-radius: 6px;
  box-shadow: 0 22px 55px rgba(23, 32, 51, 0.1);
  overflow: hidden;
  padding: 30px;
  position: relative;
}

.login-gate-panel::before {
  background: var(--vh-cobalt);
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  top: 0;
  width: 72px;
}

.login-gate-head .eyebrow,
.eyebrow {
  color: var(--vh-brass);
  font-size: 11px;
  font-weight: 800;
  text-transform: none;
}

.login-gate-head h1 {
  color: var(--vh-ink);
  font-family: var(--vh-display);
  font-size: 27px;
}

.permission-summary {
  background: #f6f8fb;
  border-color: #e8ebf0;
  color: #657084;
}

/* Global frame */
.topbar {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--vh-line);
  box-shadow: 0 1px 0 rgba(23, 32, 51, 0.02);
  gap: 16px;
  grid-template-columns: minmax(240px, auto) minmax(400px, 1fr) auto;
  min-height: 58px;
  padding: 0 18px;
  position: sticky;
  top: 0;
  z-index: 60;
}

.brand {
  gap: 9px;
  min-width: 0;
}

.brand-mark {
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(29, 91, 255, 0.18);
  height: 36px;
  width: 36px;
}

.brand-name {
  color: var(--vh-ink);
  font-family: var(--vh-display);
  font-size: 20px;
  font-weight: 700;
  white-space: nowrap;
}

.badge {
  background: var(--vh-brass-soft);
  border: 1px solid #ead9b7;
  border-radius: 3px;
  color: #88631f;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 8px;
}

.auth-mode-badge {
  background: var(--vh-jade-soft);
  border: 1px solid #cfe8df;
  border-radius: 3px;
  color: var(--vh-jade);
  font-size: 11px;
  padding: 5px 8px;
}

.nav-tabs {
  align-self: stretch;
  gap: 6px;
  justify-content: center;
}

.nav-tab {
  color: #3e485a;
  font-size: 14px;
  font-weight: 700;
  height: 58px;
  padding: 0 18px;
  position: relative;
}

.nav-tab:hover {
  background: #f7f9fc;
  color: var(--vh-cobalt);
}

.nav-tab.active {
  color: var(--vh-cobalt);
}

.nav-tab.active::after {
  background: var(--vh-cobalt);
  bottom: 0;
  height: 3px;
  left: 18px;
  right: 18px;
}

.nav-tab.active::before {
  background: var(--vh-brass);
  bottom: 6px;
  content: "";
  height: 4px;
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  width: 4px;
}

.top-actions {
  gap: 8px;
}

.icon-button,
.settings-shortcut {
  border-radius: 4px;
}

.settings-shortcut {
  border-color: var(--vh-line);
  color: #526077;
}

.settings-shortcut:hover,
.settings-shortcut.active {
  background: var(--vh-cobalt-soft);
  border-color: #b8caff;
  color: var(--vh-cobalt);
}

.primary-action,
.ghost-action,
.text-button {
  border-radius: 4px;
  font-weight: 750;
}

.primary-action {
  background: var(--vh-cobalt);
  border-color: var(--vh-cobalt);
  box-shadow: 0 1px 2px rgba(29, 91, 255, 0.14);
}

.primary-action:hover {
  background: var(--vh-cobalt-dark);
  border-color: var(--vh-cobalt-dark);
  box-shadow: 0 5px 14px rgba(29, 91, 255, 0.18);
  transform: translateY(-1px);
}

.primary-action:active {
  box-shadow: none;
  transform: translateY(0);
}

.ghost-action {
  background: var(--vh-paper);
  border-color: var(--vh-line-strong);
  color: var(--vh-ink-soft);
}

.ghost-action:hover {
  background: #f7f9fc;
  border-color: #9fabbc;
  color: var(--vh-ink);
}

.workspace {
  background: var(--vh-porcelain);
  padding: 14px 16px 24px;
}

.page.active {
  animation: vh-page-enter 170ms ease-out both;
}

.panel,
.page-header,
.order-filter-panel,
.settings-card,
.operations-section,
.operations-page-head {
  background: var(--vh-paper);
  border: 1px solid var(--vh-line);
  border-radius: 6px;
  box-shadow: none;
}

.section-title-row h1,
.section-title-row h2,
.page-header h1,
.operations-page-head h1,
.stats-section-head h1 {
  color: var(--vh-ink);
  font-family: var(--vh-display);
  font-weight: 700;
}

.page-header {
  border-left: 3px solid var(--vh-brass);
  padding: 15px 18px;
}

/* Home: continuous operational surfaces instead of a card wall. */
.quick-panel {
  border-left: 3px solid var(--vh-brass);
  padding: 15px 16px 16px;
}

.quick-panel .section-title-row {
  margin-bottom: 12px;
}

.quick-panel .section-title-row h1 {
  font-size: 18px;
}

.text-button {
  color: #69758a;
}

.text-button:hover {
  color: var(--vh-cobalt);
}

.quick-grid {
  gap: 8px;
}

.quick-item {
  background: #fbfcfe;
  border: 1px solid var(--vh-line);
  border-radius: 5px;
  min-height: 60px;
  padding: 10px 12px;
}

.quick-item:hover {
  background: var(--vh-cobalt-soft);
  border-color: #b9caff;
  box-shadow: 0 5px 16px rgba(23, 32, 51, 0.07);
  transform: translateY(-1px);
}

.quick-icon {
  border-radius: 4px;
}

.quick-label {
  color: var(--vh-ink-soft);
  font-size: 13px;
}

.kpi-grid {
  background: var(--vh-line);
  border: 1px solid var(--vh-line);
  border-radius: 6px;
  gap: 1px;
  overflow: hidden;
}

.kpi-card {
  background: var(--vh-paper);
  border: 0;
  border-radius: 0;
  min-height: 82px;
  padding: 12px;
}

.kpi-card .label {
  color: var(--vh-muted);
  font-size: 11px;
  font-weight: 700;
}

.kpi-card strong {
  color: var(--vh-ink);
  font-family: var(--vh-data);
  font-size: 19px;
  font-variant-numeric: tabular-nums;
}

.overview-panel {
  overflow: hidden;
}

.overview-grid {
  background: var(--vh-line);
  gap: 1px;
}

.revenue-card,
.metric-column {
  background: var(--vh-paper);
}

.revenue-card {
  border-top: 2px solid var(--vh-brass);
}

.revenue-card strong,
.metric-row strong,
.finance-kpi-grid strong,
.stats-kpi-card strong {
  font-family: var(--vh-data);
  font-variant-numeric: tabular-nums;
}

.chart-card {
  border-top: 2px solid #dfe5ee;
}

.chart-card h2 {
  color: var(--vh-ink);
  font-family: var(--vh-display);
  font-size: 17px;
}

.donut {
  filter: saturate(0.88);
}

/* Room status: the signature electronic-doorplate workspace. */
#page-stay.active {
  margin: -14px -16px -24px;
}

.stay-layout {
  background: var(--vh-paper);
  grid-template-columns: 58px 168px minmax(0, 1fr);
  min-height: calc(100vh - 58px);
}

.stay-rail {
  background: var(--vh-rail);
  border-right: 1px solid var(--vh-rail-deep);
  padding: 8px 6px;
}

.stay-rail-item {
  border-radius: 4px;
  color: #c8d0dd;
  height: 58px;
}

.stay-rail-item:hover {
  background: #223650;
  color: #fff;
}

.stay-rail-item.active {
  background: var(--vh-paper);
  box-shadow: inset 3px 0 0 var(--vh-brass);
  color: var(--vh-cobalt);
}

.stay-rail-item svg {
  height: 18px;
  width: 18px;
}

.stay-sidebar {
  background: #f9fafc;
  border-right: 1px solid var(--vh-line);
  padding: 12px 10px;
}

.stay-sidebar-head {
  color: var(--vh-ink);
  font-family: var(--vh-display);
  font-size: 14px;
  padding: 4px 8px 12px;
}

.stay-side-group-title {
  color: #919aaa;
  font-size: 10px;
  padding: 14px 9px 6px;
  text-transform: none;
}

.stay-side-item {
  border-left: 2px solid transparent;
  border-radius: 4px;
  color: #566176;
  height: 36px;
}

.stay-side-item:hover {
  background: #f0f3f8;
  color: var(--vh-ink);
}

.stay-side-item.active {
  background: var(--vh-cobalt-soft);
  border-left-color: var(--vh-cobalt);
  color: var(--vh-cobalt);
}

.stay-main {
  background: var(--vh-paper);
  min-width: 0;
}

.stay-toolbar {
  background: var(--vh-paper);
  border-bottom: 1px solid var(--vh-line);
  gap: 10px;
  min-height: 58px;
  padding: 10px 12px;
}

.stay-view-tabs {
  border-color: var(--vh-line-strong);
  border-radius: 4px;
}

.stay-view-tabs button {
  color: #566176;
  font-weight: 750;
}

.stay-view-tabs button.active {
  background: var(--vh-cobalt-soft);
  color: var(--vh-cobalt);
}

.stay-search {
  background: #f9fafc;
  border-color: var(--vh-line-strong);
  border-radius: 4px;
}

.stay-search:focus-within {
  background: var(--vh-paper);
  border-color: var(--vh-cobalt);
  box-shadow: 0 0 0 3px rgba(29, 91, 255, 0.09);
}

.stay-search svg {
  color: var(--vh-brass);
}

.stay-command-list button,
.stay-command-menu summary {
  background: var(--vh-paper);
  border-color: var(--vh-line-strong);
  border-radius: 4px;
  color: var(--vh-ink-soft);
}

.stay-command-list button:hover,
.stay-command-menu summary:hover {
  background: var(--vh-cobalt-soft);
  border-color: #b8caff;
  color: var(--vh-cobalt);
}

.calendar-board {
  border: 1px solid var(--vh-line);
  scrollbar-color: #aab5c4 #f3f5f8;
}

.calendar-head,
.calendar-subhead {
  box-shadow: 0 1px 0 var(--vh-line);
}

.date-master {
  background: #f9fafc;
  border-right-color: var(--vh-line-strong);
}

.date-master strong,
.date-cell .date-label {
  color: var(--vh-ink);
  font-family: var(--vh-data);
  font-variant-numeric: tabular-nums;
}

.stay-date-navigation button {
  border-color: var(--vh-line-strong);
  color: #566176;
}

.stay-date-navigation button:hover {
  background: var(--vh-cobalt-soft);
  color: var(--vh-cobalt);
}

.date-cell.today {
  background: var(--vh-cobalt-soft);
  box-shadow: inset 0 3px 0 var(--vh-cobalt);
}

.date-cell.weekend:not(.today) .date-label {
  color: var(--vh-coral);
}

.calendar-subhead > div {
  background: #f8fafc;
  color: #69758a;
}

.calendar-subhead > div:not(:first-child):not(:nth-child(2)) {
  font-family: var(--vh-data);
}

.calendar-row {
  min-height: 48px;
}

.room-type-cell {
  background: #fbfcfe;
  border-right-color: var(--vh-line-strong);
  color: var(--vh-ink-soft);
}

.room-number-cell {
  background: #f4f6f9;
  border-right: 1px solid var(--vh-line-strong);
  color: var(--vh-ink);
  font-family: var(--vh-data);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.room-number-cell::before {
  background: var(--vh-brass);
  content: "";
  height: 16px;
  left: 0;
  opacity: 0.65;
  position: absolute;
  width: 2px;
}

.room-number-cell svg {
  color: #78859a;
}

.calendar-cell {
  background: var(--vh-paper);
}

.calendar-row:nth-child(even) .calendar-cell {
  background: #fbfcfe;
}

.calendar-row:nth-child(even) .room-type-cell {
  background: #f8fafc;
}

.calendar-row:nth-child(even) .room-number-cell {
  background: #f0f3f7;
}

.calendar-cell:hover {
  background: #f2f6ff;
  box-shadow: inset 0 0 0 1px #afc3ff;
}

.stay-booking {
  background: #dceafe;
  border: 1px solid #b9d3f7;
  border-left: 4px solid var(--vh-cobalt);
  border-radius: 3px;
  box-shadow: 0 1px 1px rgba(23, 32, 51, 0.05);
  color: var(--vh-ink);
}

.stay-booking:hover {
  border-color: #91b8ef;
  box-shadow: 0 6px 14px rgba(23, 32, 51, 0.13);
  transform: translateY(-1px);
  z-index: 6;
}

.stay-booking.gray {
  background: #e8ebef;
  border-color: #d1d6dd;
  border-left-color: #8a94a3;
}

.stay-booking.orange {
  background: #fae9d4;
  border-color: #eccda7;
  border-left-color: var(--vh-brass);
}

.stay-booking.purple {
  background: #e9e6f5;
  border-color: #d7d0ea;
  border-left-color: #7567ad;
}

.stay-booking strong {
  color: var(--vh-ink);
}

.stay-booking span {
  color: #505d72;
}

.debt-mark {
  background: var(--vh-coral);
  border-radius: 2px;
}

.stay-booking.dragging {
  box-shadow: 0 12px 28px rgba(23, 32, 51, 0.2);
  transform: rotate(0.4deg) scale(1.01);
}

.calendar-cell.drop-target {
  background: #e7efff;
  box-shadow: inset 0 0 0 2px var(--vh-cobalt);
}

.stay-pagination {
  background: #f9fafc;
  border-color: var(--vh-line);
}

.stay-order-drawer {
  border-left: 1px solid var(--vh-line-strong);
  box-shadow: -18px 0 46px rgba(23, 32, 51, 0.14);
}

.stay-drawer-header {
  border-bottom-color: var(--vh-line);
}

.stay-drawer-header button.active {
  color: var(--vh-cobalt);
}

.stay-drawer-header button.active::after {
  background: var(--vh-cobalt);
}

.stay-drawer-metrics {
  background: var(--vh-ink);
  border-radius: 5px;
  color: #fff;
}

.stay-drawer-metrics span,
.stay-drawer-metrics small {
  color: #c8d1de;
}

.stay-drawer-metrics strong {
  color: #fff;
  font-family: var(--vh-data);
}

.stay-cell-popover {
  border-color: var(--vh-line-strong);
  border-radius: 6px;
  box-shadow: 0 18px 45px rgba(23, 32, 51, 0.2);
}

.stay-cell-popover-head {
  border-bottom: 1px solid var(--vh-line);
  margin: -2px -2px 10px;
  padding: 2px 2px 10px;
}

.stay-cell-popover-head strong {
  color: var(--vh-ink);
  font-family: var(--vh-display);
}

.stay-cell-primary {
  background: var(--vh-cobalt);
  border-radius: 4px;
}

.stay-cell-primary:hover {
  background: var(--vh-cobalt-dark);
}

.stay-cell-actions button,
.stay-cell-back {
  border-color: var(--vh-line-strong);
  border-radius: 4px;
}

/* Orders and data tables */
.segmented {
  background: #f4f6f9;
  border: 1px solid var(--vh-line);
  border-radius: 4px;
}

.segmented button {
  border-radius: 3px;
  color: #5d687c;
}

.segmented button.active {
  background: var(--vh-paper);
  box-shadow: 0 1px 3px rgba(23, 32, 51, 0.08);
  color: var(--vh-cobalt);
}

.order-filter-panel {
  border-top: 2px solid var(--vh-brass);
}

.order-search-field {
  background: #f9fafc;
  border-color: var(--vh-line-strong);
  border-radius: 4px;
}

.order-search-field:focus-within {
  background: var(--vh-paper);
  border-color: var(--vh-cobalt);
  box-shadow: 0 0 0 3px rgba(29, 91, 255, 0.09);
}

.table-wrap,
.stats-detail-table-wrap,
.single-day-table-wrap {
  background: var(--vh-paper);
  border-color: var(--vh-line);
  border-radius: 6px;
}

table {
  color: var(--vh-ink-soft);
}

table th {
  background: #f4f6f9;
  border-color: var(--vh-line);
  color: #647086;
  font-size: 11px;
  font-weight: 800;
}

table td {
  border-color: #e9edf2;
}

table tbody tr:hover td {
  background: #f6f9ff;
}

.order-id,
.amount,
.money,
td[data-label="金额"],
td[data-label="收款"] {
  font-family: var(--vh-data);
  font-variant-numeric: tabular-nums;
}

.order-detail-panel {
  border-color: var(--vh-line);
  border-radius: 6px;
}

.status-pill {
  border-radius: 3px;
  font-weight: 800;
}

.status-pill.connected,
.operation-status.status-confirmed,
.status-toggle.on {
  background: var(--vh-jade-soft);
  border-color: #c9e5db;
  color: var(--vh-jade);
}

.status-pill.warning,
.operation-status.status-submitted {
  background: var(--vh-amber-soft);
  border-color: #ead7aa;
  color: var(--vh-amber);
}

/* Finance and operations */
.operations-page-head {
  border-left: 3px solid var(--vh-brass);
  padding: 15px 18px;
}

.operations-page-head h1 {
  font-size: 22px;
}

.finance-kpi-grid {
  background: var(--vh-line);
  border: 1px solid var(--vh-line);
  border-radius: 6px;
  gap: 1px;
  overflow: hidden;
}

.finance-kpi-grid article {
  border: 0;
  border-radius: 0;
  min-height: 100px;
}

.finance-kpi-grid article:first-child {
  box-shadow: inset 0 3px 0 var(--vh-brass);
}

.finance-kpi-grid span {
  color: var(--vh-muted);
}

.finance-data-boundary {
  background: #edf6f3;
  border-color: #cfe5de;
  color: #356f5e;
}

.operations-section {
  padding: 15px;
}

.operations-section-head {
  border-bottom: 1px solid #edf0f4;
  margin-bottom: 13px;
  padding-bottom: 10px;
}

.operations-section-head h2 {
  color: var(--vh-ink);
  font-family: var(--vh-display);
}

.operations-form label,
.meter-reading label,
.consumable-entry label,
.operations-textarea-label {
  color: #657187;
}

.finance-ledger-head {
  background: #f4f6f9;
  color: #647086;
}

.finance-ledger-row {
  border-color: #e9edf2;
}

.finance-ledger-row:hover {
  background: #f7f9fc;
}

.finance-ledger-row > strong {
  font-family: var(--vh-data);
}

.fixed-cost-row {
  border-color: #e9edf2;
}

.operation-room-checklist label {
  background: #f8fafc;
  border-color: var(--vh-line);
  border-radius: 4px;
}

.operation-room-checklist label:hover {
  background: #f3f6fb;
  border-color: #b9c5d5;
}

.operation-room-checklist label.selected {
  background: var(--vh-cobalt-soft);
  border-color: #9db8ff;
  box-shadow: inset 3px 0 0 var(--vh-cobalt);
}

.operation-room-checklist strong {
  color: var(--vh-ink);
  font-family: var(--vh-data);
}

.consumable-entry,
.meter-reading {
  background: #f8fafc;
  border-color: var(--vh-line);
  border-radius: 5px;
}

.meter-reading {
  border-top: 2px solid var(--vh-brass);
}

.meter-reading > strong {
  color: var(--vh-ink);
  font-family: var(--vh-data);
  font-size: 15px;
}

.operation-energy-summary article {
  background: #f8fafc;
  border-left-color: var(--vh-cobalt);
}

.operation-energy-summary strong {
  color: var(--vh-ink);
  font-family: var(--vh-data);
}

.operation-submit-bar {
  border-color: var(--vh-line-strong);
  box-shadow: 0 -8px 24px rgba(23, 32, 51, 0.07);
}

.operation-history button {
  background: var(--vh-paper);
  border-color: var(--vh-line);
}

.operation-history button:hover {
  background: #f7f9fc;
  border-color: #b5c0cf;
}

/* Statistics */
#page-stats {
  --stats-border: var(--vh-line);
  --stats-ink: var(--vh-ink);
  --stats-muted: var(--vh-muted);
  --stats-panel: var(--vh-paper);
  --stats-blue: var(--vh-cobalt);
}

#page-stats .stats-layout {
  background: var(--vh-porcelain);
}

#page-stats .stats-sidebar {
  background: #f9fafc;
  border-color: var(--vh-line);
}

#page-stats .sidebar-title {
  color: #919aaa;
}

#page-stats .sidebar-item {
  border-left-color: transparent;
  color: #576277;
}

#page-stats .sidebar-item:hover {
  background: #f0f3f8;
  color: var(--vh-ink);
}

#page-stats .sidebar-item.active {
  background: var(--vh-cobalt-soft);
  border-left-color: var(--vh-cobalt);
  color: var(--vh-cobalt);
}

#page-stats .stats-filter-row {
  border-color: var(--vh-line);
}

#page-stats .stats-preset-buttons,
#page-stats .stats-segments,
#page-stats .stats-comparison {
  border-color: var(--vh-line-strong);
}

#page-stats .stats-preset-buttons button.active,
#page-stats .stats-segments button.active {
  background: var(--vh-cobalt-soft);
  color: var(--vh-cobalt);
}

#page-stats .stats-section-head {
  border-left: 3px solid var(--vh-brass);
  padding-left: 13px;
}

#page-stats .revenue-summary-grid,
.stats-kpi-grid {
  background: var(--vh-line);
  border: 1px solid var(--vh-line);
  border-radius: 6px;
  gap: 1px;
}

#page-stats .stats-kpi-card {
  border: 0;
  border-radius: 0;
}

#page-stats .stats-kpi-card strong {
  color: var(--vh-ink);
}

#page-stats .stats-kpi-card:first-child {
  box-shadow: inset 0 3px 0 var(--vh-brass);
}

#page-stats .stats-panel {
  border-color: var(--vh-line);
  border-radius: 6px;
  box-shadow: none;
}

.stats-floor-energy-list article {
  border-color: var(--vh-line);
}

.stats-floor-energy-bar {
  background: #e9edf3;
}

.stats-floor-energy-bar i {
  background: var(--vh-cobalt);
}

.stats-finance-summary > div {
  border-color: var(--vh-line);
}

.stats-finance-summary strong {
  color: var(--vh-ink);
  font-family: var(--vh-data);
}

/* Settings and feedback */
.settings-layout {
  background: var(--vh-porcelain);
  max-width: 1500px;
}

.settings-header {
  background: var(--vh-paper);
  border: 1px solid var(--vh-line);
  border-left: 3px solid var(--vh-brass);
  border-radius: 6px;
  padding: 16px 18px;
}

.settings-header h1 {
  color: var(--vh-ink);
  font-family: var(--vh-display);
  font-size: 22px;
}

.settings-alert {
  background: var(--vh-brass-soft);
  border-color: #e6d4ae;
  color: #755922;
  font-size: 13px;
  line-height: 1.6;
}

.settings-card {
  border-top: 2px solid #e1e6ed;
  scrollbar-color: #aab5c4 #f3f5f8;
}

.settings-card h2,
.settings-card-head h2 {
  color: var(--vh-ink);
  font-family: var(--vh-display);
}

.setup-card {
  border-top-color: var(--vh-brass);
}

.setup-progress {
  background: #e9edf3;
  border-radius: 2px;
}

.setup-progress span {
  background: var(--vh-cobalt);
}

.setup-stepper button {
  background: #f7f9fc;
  border-color: var(--vh-line);
  border-radius: 4px;
  color: #667187;
}

.setup-stepper button:hover {
  background: var(--vh-cobalt-soft);
  border-color: #b8caff;
  color: var(--vh-cobalt);
}

.setup-stepper button.active {
  background: var(--vh-cobalt-soft);
  border-color: var(--vh-cobalt);
  color: var(--vh-cobalt);
}

.setup-guide,
.setup-step,
.setup-finish-grid div,
.finance-item,
.empty-note {
  background: #f8fafc;
  border-color: var(--vh-line);
}

.setup-guide {
  border-radius: 5px;
}

.setup-guide button {
  background: var(--vh-cobalt);
  border-radius: 4px;
}

.setup-guide-checks span {
  border-color: var(--vh-line);
  border-radius: 3px;
}

.roomtype-card {
  border: 1px solid var(--vh-line);
  border-radius: 6px;
}

.roomtype-image {
  border-radius: 4px;
}

.inventory-state {
  background: var(--vh-cobalt-soft);
  color: var(--vh-cobalt);
}

.mapping-table,
.channel-config-head,
.channel-config-row,
.room-manage-row,
.config-row {
  border-color: var(--vh-line);
}

.channel-template-group {
  background: var(--vh-cobalt-soft);
  border-left-color: var(--vh-cobalt);
  color: #355798;
}

.ota-config-row,
.room-closure-panel,
.server-sync-panel {
  background: #f8fafc;
  border-color: var(--vh-line);
}

.toast {
  background: var(--vh-ink);
  border: 1px solid #26334a;
  border-radius: 5px;
  box-shadow: 0 12px 30px rgba(23, 32, 51, 0.22);
  font-size: 12px;
}

.empty-note {
  color: #818b9d;
}

@keyframes vh-page-enter {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .topbar {
    grid-template-columns: minmax(210px, auto) minmax(360px, 1fr) auto;
    padding: 0 12px;
  }

  .nav-tab {
    padding: 0 12px;
  }

  .nav-tab.active::after {
    left: 12px;
    right: 12px;
  }

  .auth-mode-badge {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .stay-layout {
    grid-template-columns: 58px 150px minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .login-gate.active {
    align-content: center;
    gap: 24px;
    grid-template-columns: minmax(0, 1fr);
  }

  .login-gate-brand {
    border-left: 0;
    padding: 0;
  }

  .login-gate-brand strong {
    font-size: 28px;
  }

  .login-gate-panel {
    padding: 22px;
  }

  .topbar {
    gap: 4px;
    grid-template-columns: minmax(0, 1fr);
    padding: 8px 12px 0;
    position: sticky;
  }

  .brand {
    min-height: 38px;
  }

  .nav-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    width: 100%;
  }

  .nav-tab {
    height: 40px;
    padding: 0 12px;
  }

  .top-actions {
    border-top: 1px solid #eef1f5;
    padding: 6px 0 8px;
  }

  .workspace {
    padding: 10px;
  }

  #page-stay.active,
  #page-stats.active {
    margin: -10px;
  }

  .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi-card {
    min-height: 80px;
  }

  .overview-grid,
  .chart-grid {
    grid-template-columns: 1fr;
  }

  .stay-layout,
  .stay-layout.stay-collapsed {
    grid-template-columns: minmax(0, 1fr);
  }

  .stay-toolbar {
    padding: 9px 10px;
  }

  .calendar-board {
    border-left: 0;
    border-right: 0;
  }

  .operations-page-head {
    align-items: flex-start;
  }

  .settings-layout {
    max-width: 100%;
    padding: 10px;
  }

  .settings-two-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .settings-card-head,
  .settings-header {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
  }

  .inline-actions,
  .server-sync-panel > div {
    flex-wrap: wrap;
  }

  .finance-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .finance-operations-layout,
  .operations-report-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .consumable-entry-grid,
  .meter-reading-grid,
  .operation-energy-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  #page-stats .stats-sidebar {
    background: var(--vh-paper);
    border-bottom: 1px solid var(--vh-line);
  }

  #page-stats .sidebar-item {
    border-bottom: 2px solid transparent;
    border-left: 0;
  }

  #page-stats .sidebar-item.active {
    border-bottom-color: var(--vh-cobalt);
  }
}

@media (max-width: 620px) {
  .login-gate {
    padding: 18px;
  }

  .login-gate-brand {
    gap: 12px;
  }

  .login-gate-brand .brand-mark {
    height: 52px;
    width: 52px;
  }

  .login-gate-brand strong {
    font-size: 25px;
  }

  .login-gate-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .login-gate-actions button {
    min-width: 0;
    width: 100%;
  }

  .brand-name {
    font-size: 18px;
  }

  .badge {
    padding: 4px 6px;
  }

  .auth-mode-badge {
    max-width: 165px;
  }

  .quick-panel,
  .overview-panel,
  .chart-card,
  .operations-section,
  .operations-page-head {
    padding: 14px;
  }

  .quick-item {
    min-height: 58px;
  }

  .page-header {
    padding: 14px;
  }

  .page-header h1,
  .operations-page-head h1 {
    font-size: 21px;
  }

  .operations-page-actions {
    width: 100%;
  }

  .operations-page-actions label,
  .operations-page-actions input {
    min-width: 0;
    width: 100%;
  }

  .operations-form,
  .fixed-cost-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .operations-form-wide {
    grid-column: auto;
  }

  .operation-submit-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .operation-submit-bar > div {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .operation-submit-bar button {
    justify-content: center;
  }

  .setup-card {
    overflow-x: hidden;
    padding: 14px;
  }

  .setup-stepper {
    grid-auto-columns: minmax(116px, max-content);
    grid-auto-flow: column;
    grid-template-columns: none;
    overflow-x: auto;
    padding-bottom: 5px;
    scroll-snap-type: x proximity;
  }

  .setup-stepper button {
    scroll-snap-align: start;
    white-space: nowrap;
  }

  .setup-guide {
    align-items: stretch;
    grid-template-columns: minmax(0, 1fr);
  }

  .setup-guide em {
    grid-column: auto;
  }

  .setup-grid,
  .hotel-profile,
  .settings-two-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hotel-profile .config-field:first-child {
    grid-column: auto;
  }

  .setup-wizard-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .setup-wizard-actions button {
    min-width: 0;
  }

  .setup-finish-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .setup-quality div {
    grid-template-columns: minmax(0, 1fr);
  }

  .settings-card-head .inline-actions,
  .settings-card-head .log-filter-row {
    width: 100%;
  }

  .log-filter-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .settings-header > .primary-action,
  .settings-card-head .inline-actions > button,
  .settings-card-head .inline-actions > label {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}