:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #667085;
  --line: #d9e0e8;
  --surface: #ffffff;
  --soft: #f5f7fa;
  --soft-2: #eef3f8;
  --brand: #001d4c;
  --brand-strong: #002b6d;
  --brand-secondary: #1baaa0;
  --brand-warm: #fcb900;
  --accent: #1baaa0;
  --danger: #b42318;
  --success: #027a48;
  --shadow: 0 16px 40px rgba(0, 29, 76, 0.14);
  --shadow-soft: 0 8px 22px rgba(0, 29, 76, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(0, 29, 76, 0.06), rgba(255, 255, 255, 0) 280px),
    #eef2f5;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
}

.admin-auth-pending {
  min-height: 100vh;
  background:
    linear-gradient(160deg, rgba(0, 29, 76, 0.12), rgba(27, 170, 160, 0.08) 42%, rgba(252, 185, 0, 0.08)),
    #eef2f5;
}

.admin-auth-pending .skip-link,
.admin-auth-pending .app-shell,
.admin-auth-pending .toast-region,
.admin-auth-pending .app-footer {
  display: none !important;
}

.admin-auth-gate {
  display: none;
}

.admin-auth-pending .admin-auth-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--brand);
  font-weight: 800;
}

body:not(.admin-auth-pending) .admin-auth-gate {
  display: none;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  background: #ffffff;
  color: #111827;
  border: 2px solid var(--accent);
  padding: 10px 14px;
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

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

button {
  cursor: pointer;
}

a {
  color: var(--brand-strong);
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.app-shell {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  color: #f9fafb;
  background:
    linear-gradient(180deg, rgba(27, 170, 160, 0.16), rgba(252, 185, 0, 0.08) 48%, transparent),
    var(--brand);
  overflow-y: auto;
}

.mobile-nav-toggle {
  display: none;
  min-height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 7px;
  padding: 8px 11px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  font-weight: 800;
}

.mobile-nav-toggle span:first-child {
  font-size: 1.15rem;
  line-height: 1;
}

.mobile-nav-toggle img,
.button-icon {
  width: 18px;
  height: 18px;
}

.mobile-nav-toggle img,
.sidebar .button-icon {
  filter: brightness(0) invert(1);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(0, 29, 76, 0.12);
  font-weight: 800;
}

.brand-logo {
  overflow: hidden;
  background: #ffffff;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

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

.brand span {
  color: #bac4d0;
  font-size: 0.85rem;
}

.sidebar-brand-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.client-brand-logo {
  display: block;
  width: min(168px, 100%);
  height: auto;
}

.sidebar-brand-card strong {
  color: #ffffff;
}

.sidebar-brand-card p {
  margin: 0;
  color: #d7e0e8;
  font-size: 0.84rem;
}

.sidebar-brand-card a {
  color: var(--brand-warm);
  font-size: 0.83rem;
  font-weight: 800;
  text-decoration: none;
}

.sidebar-brand-card a:hover {
  text-decoration: underline;
}

.nav-tabs {
  display: grid;
  gap: 6px;
}

.nav-tab,
.primary-action,
.ghost-button,
.danger-button,
.icon-button {
  min-height: 40px;
  border: 0;
  border-radius: 7px;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  color: #dce3ea;
  background: transparent;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.nav-tab:hover,
.nav-tab.active {
  background: rgba(255, 255, 255, 0.11);
  color: #ffffff;
}

.nav-tab.active {
  box-shadow: inset 3px 0 0 var(--brand-warm);
}

.icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  filter: brightness(0) saturate(100%) invert(86%) sepia(29%) saturate(678%) hue-rotate(126deg) brightness(94%);
}

.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  color: #ffffff;
  background: var(--brand-secondary);
  font-weight: 700;
}

.primary-action:hover {
  background: #138980;
}

.primary-action:focus-visible,
.ghost-button:focus-visible,
.danger-button:focus-visible,
.icon-button:focus-visible,
.nav-tab:focus-visible,
.segment:focus-visible {
  outline: 3px solid rgba(27, 170, 160, 0.3);
  outline-offset: 2px;
}

.primary-action.inline {
  width: auto;
}

.sidebar-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.workspace {
  min-width: 0;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0) 240px),
    #eef2f5;
}

.topbar,
.section-heading,
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 8;
  margin: -28px -28px 24px;
  padding: 22px 28px;
  border-bottom: 1px solid rgba(217, 224, 232, 0.8);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97), rgba(239, 251, 250, 0.94) 56%, rgba(255, 249, 229, 0.9)),
    rgba(238, 242, 245, 0.92);
  backdrop-filter: blur(10px);
}

.topbar-copy {
  min-width: 0;
}

.view-instruction {
  max-width: 760px;
  margin: 8px 0 0;
  color: #475467;
  font-size: 0.95rem;
}

.quick-guidance {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.quick-guidance span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid rgba(27, 170, 160, 0.28);
  border-radius: 999px;
  color: var(--brand);
  background: #f3fbfa;
  font-size: 0.78rem;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  margin-bottom: 0;
  line-height: 1.1;
}

h1 {
  font-size: clamp(1.7rem, 2.3vw, 2.4rem);
}

h2 {
  font-size: 1.5rem;
}

h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

.search-wrap {
  display: grid;
  gap: 6px;
  width: min(100%, 390px);
}

label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-size: 0.85rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px 11px;
  color: var(--ink);
  background: #ffffff;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(27, 170, 160, 0.18);
  border-color: var(--brand-secondary);
}

input::placeholder,
textarea::placeholder {
  color: #98a2b3;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric,
.metric-card,
.panel,
.table-shell {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

.table-pagination {
  display: flex;
  align-items: end;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.table-pagination label {
  display: grid;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 700;
}

.table-pagination select {
  min-height: 38px;
}

.table-pagination span {
  align-self: center;
  min-width: 170px;
  text-align: center;
}

.metric,
.metric-card {
  padding: 16px;
}

.metric:hover,
.metric-card:hover,
.panel:hover,
.table-shell:hover {
  border-color: #c8d2dc;
  box-shadow: var(--shadow-soft);
}

.metric span,
.metric-card span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric strong,
.metric-card strong {
  display: block;
  margin-top: 7px;
  font-size: 1.85rem;
  line-height: 1;
}

.dashboard-grid,
.settings-grid,
.chart-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 18px;
}

.admin-tools-grid {
  align-items: start;
}

.admin-group-heading {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.admin-group-heading:first-child {
  margin-top: 0;
}

.admin-group-heading::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

.admin-tools-grid > .panel {
  box-shadow: none;
}

.admin-tools-grid > .settings-panel {
  grid-column: 1 / -1;
}

.admin-feature-panel {
  border-color: rgba(27, 170, 160, 0.3);
  background: #f7fbfa;
}

.chart-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.bar-list {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(90px, 1fr) minmax(120px, 2fr) auto;
  gap: 8px;
  align-items: center;
  font-size: 0.84rem;
}

.bar-row div {
  height: 9px;
  border-radius: 999px;
  background: var(--soft-2);
  overflow: hidden;
}

.bar-row i {
  display: block;
  height: 100%;
  background: var(--brand-secondary);
}

.panel {
  padding: 18px;
}

.panel > h3,
.panel-heading {
  margin-bottom: 12px;
}

.panel-heading.compact-heading {
  margin-bottom: 0;
}

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

.settings-panel {
  display: grid;
  gap: 14px;
}

.branding-studio {
  gap: 14px;
}

.branding-preview {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 88px;
  padding: 14px;
  border: 1px solid rgba(0, 29, 76, 0.16);
  border-left: 6px solid var(--brand);
  border-radius: 8px;
  background: #ffffff;
}

.branding-preview-logo {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.branding-preview-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.branding-preview strong,
.branding-preview span {
  display: block;
}

.branding-preview span {
  color: var(--muted);
  font-size: 0.8rem;
}

.branding-preview-action {
  min-height: 38px;
  border: 0;
  border-radius: 7px;
  padding: 8px 12px;
  color: #ffffff;
  background: var(--brand-secondary);
  font-weight: 800;
  pointer-events: none;
}

.branding-logo-controls,
.branding-colour-grid {
  display: grid;
  gap: 10px;
  align-items: end;
}

.branding-logo-controls {
  grid-template-columns: minmax(0, 1fr) auto;
}

.branding-colour-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.branding-colour-grid input[type="color"] {
  min-height: 44px;
  padding: 4px;
}

.field-help {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.settings-section,
.installer-section {
  display: grid;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.settings-section:first-of-type,
.installer-section:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.settings-section h4,
.installer-section h2 {
  margin: 0;
  color: #344054;
  font-size: 0.86rem;
  font-weight: 900;
  text-transform: uppercase;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.tour-field-editor {
  display: grid;
  gap: 10px;
}

.application-page-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tour-builder-panel {
  gap: 16px;
}

.tour-builder-topbar {
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.tour-builder-topbar h3 {
  margin: 2px 0 0;
}

.tour-builder-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.38fr);
  gap: 16px;
  align-items: start;
}

.tour-builder-canvas,
.tour-builder-settings {
  display: grid;
  gap: 12px;
}

.tour-builder-canvas {
  min-height: 360px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.tour-builder-settings {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.tour-field-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.tour-field-card[draggable="true"] {
  cursor: grab;
}

.tour-field-card.dragging {
  opacity: 0.55;
}

.tour-field-card.drag-over {
  border-color: var(--brand-secondary);
  box-shadow: 0 0 0 2px rgba(27, 170, 160, 0.16);
}

.tour-field-handle {
  display: grid;
  place-items: center;
  width: 32px;
  min-height: 32px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
  font-weight: 900;
}

.tour-field-body {
  display: grid;
  gap: 10px;
}

.tour-field-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tour-field-title strong {
  font-size: 0.94rem;
}

.tour-field-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.tour-field-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.record-card .table-actions {
  margin-top: 10px;
}

.list-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.record-card {
  display: grid;
  gap: 8px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.record-card:hover {
  border-color: #c8d2dc;
  background: #ffffff;
  box-shadow: 0 6px 14px rgba(16, 24, 40, 0.06);
}

.record-card.duplicate,
.record-card.muted-card,
.duplicate-row {
  background: #fffaf0;
}

.setup-summary {
  border-color: rgba(27, 170, 160, 0.3);
  background: #effaf7;
}

.setup-check strong {
  display: flex;
  align-items: center;
  gap: 8px;
}

.setup-check.ok {
  background: #f6fbf9;
}

.setup-check.warning {
  background: #fffaf0;
}

.record-card header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.record-card strong,
.student-cell strong {
  overflow-wrap: anywhere;
}

.record-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
  font-size: 0.82rem;
}

.quick-actions,
.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.quick-actions .ghost-button,
.table-actions .ghost-button {
  min-height: 32px;
  padding: 6px 9px;
  font-size: 0.78rem;
}

.tour-availability-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.tour-calendar-panel {
  grid-column: 1 / -1;
}

.tour-slot-list {
  gap: 14px;
}

.tour-calendar-panel .panel-heading,
.tour-slots-panel .panel-heading,
.tour-slot-editor-panel .panel-heading {
  align-items: start;
}

.tour-calendar-panel .panel-heading p,
.tour-slots-panel .panel-heading p,
.tour-slot-editor-panel .panel-heading p {
  max-width: 760px;
  margin: 4px 0 0;
}

.tour-slot-card {
  gap: 12px;
  padding: 16px;
  background: #ffffff;
}

.tour-slot-card + .tour-slot-card {
  margin-top: 4px;
}

.tour-slot-card header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.tour-slot-card header span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.84rem;
}

.slot-date-block {
  min-width: 94px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  text-align: center;
}

.slot-date-block strong {
  display: block;
  font-size: 1.15rem;
}

.slot-date-block span {
  margin-top: 2px;
  font-size: 0.75rem;
}

.slot-card-body {
  display: grid;
  gap: 9px;
}

.slot-capacity-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.slot-capacity-row span {
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
  font-size: 0.8rem;
}

.slot-capacity-row strong {
  display: block;
  color: var(--ink);
  font-size: 1rem;
}

.slot-progress {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: #dbe3eb;
}

.slot-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--brand-secondary);
}

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

.calendar-day {
  display: grid;
  grid-template-columns: minmax(120px, 0.25fr) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.calendar-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.calendar-slot {
  display: inline-flex;
  border-radius: 999px;
  padding: 5px 10px;
  background: #ffffff;
  border: 1px solid var(--line);
  font-size: 0.82rem;
  font-weight: 700;
}

.calendar-slot.full {
  background: #fff2df;
  color: #7a2e0e;
}

.calendar-slot.disabled {
  background: #f2f4f7;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  max-width: 100%;
  border-radius: 999px;
  padding: 3px 9px;
  color: #344054;
  background: var(--soft-2);
  font-size: 0.78rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.badge.hot {
  color: #7a2e0e;
  background: #fff2df;
}

.badge.warning {
  width: max-content;
  color: #854d0e;
  background: #fef3c7;
}

.badge.success {
  color: #05603a;
  background: #d1fadf;
}

.badge.danger {
  color: #912018;
  background: #fee4e2;
}

.ghost-button,
.danger-button {
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  font-weight: 800;
}

.ghost-button:hover {
  background: var(--soft);
}

.danger-button {
  color: var(--danger);
}

.danger-button:hover {
  background: #fff3f2;
}

.section-heading {
  margin-bottom: 16px;
}

.filter-grid,
.bulk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.filter-grid {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.filter-grid select,
.bulk-actions select,
.bulk-actions input {
  width: auto;
  min-width: 180px;
}

.bulk-actions span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.bulk-actions {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.saved-view-actions {
  border-style: dashed;
}

.bulk-edit-actions {
  border-left: 4px solid var(--brand-secondary);
}

.bulk-edit-actions .danger-button {
  margin-left: auto;
}

.section-heading select {
  max-width: 260px;
}

.kanban {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 1fr);
  gap: 14px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  scroll-snap-type: x proximity;
}

.kanban-column {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
  scroll-snap-align: start;
}

.kanban-heading {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  padding: 13px;
  border-bottom: 1px solid var(--line);
  border-radius: 8px 8px 0 0;
  background: #ffffff;
}

.kanban-list {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 12px;
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.segment {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 7px 10px;
  background: #ffffff;
  color: #344054;
  font-size: 0.85rem;
  font-weight: 800;
}

.segment.active {
  color: #ffffff;
  background: var(--brand);
  border-color: var(--brand);
}

.table-shell {
  overflow-x: auto;
  max-width: 100%;
}

table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--muted);
  background: #f8fafc;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

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

tbody tr:hover {
  background: #fbfcfd;
}

td:first-child,
th:first-child {
  width: 44px;
}

.student-cell span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

dialog {
  width: min(980px, calc(100vw - 28px));
  max-height: calc(100vh - 28px);
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: var(--shadow);
  overflow: auto;
}

dialog[open] {
  animation: dialog-in 140ms ease-out;
}

dialog::backdrop {
  background: rgba(15, 23, 42, 0.55);
}

.lead-form {
  padding: 22px;
}

.application-dialog {
  width: min(1120px, calc(100vw - 28px));
  height: min(860px, calc(100vh - 28px));
}

.application-dialog-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
  padding: 18px;
}

.application-dialog iframe {
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.modal-heading,
.modal-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.modal-actions {
  grid-template-columns: auto 1fr auto auto;
  margin-top: 18px;
}

.modal-actions.simple {
  grid-template-columns: 1fr auto auto;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  background: var(--soft);
  color: var(--ink);
  font-size: 1.45rem;
  line-height: 1;
}

.icon-button:hover {
  background: #e8edf3;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.application-detail {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.application-detail-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.application-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.application-detail-group {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.application-detail-group:hover,
.timeline-item:hover {
  border-color: #c8d2dc;
  background: #ffffff;
}

.application-detail-group h4 {
  margin: 0 0 10px;
  font-size: 0.92rem;
}

.application-detail-group dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.application-detail-group div {
  display: grid;
  gap: 2px;
}

.application-detail-group dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.application-detail-group dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.timeline {
  display: grid;
  gap: 8px;
}

.timeline-item {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.timeline-item span {
  color: var(--muted);
  font-size: 0.82rem;
}

.diff-table {
  display: grid;
  gap: 6px;
  margin-top: 6px;
}

.diff-table div {
  display: grid;
  grid-template-columns: minmax(110px, 0.7fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
}

.diff-table span {
  overflow-wrap: anywhere;
}

.compact-table table {
  min-width: 520px;
}

.file-list {
  display: grid;
  gap: 8px;
}

.file-list div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.duplicate-tools {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

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

.file-drop {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 44px;
  border: 1px dashed var(--brand-secondary);
  border-radius: 7px;
  padding: 11px 13px;
  color: var(--brand);
  background: #ecfdf9;
}

#importFile {
  margin-top: 10px;
}

.empty-state {
  display: grid;
  gap: 4px;
  justify-items: center;
  min-height: 120px;
  align-content: center;
  padding: 28px 12px;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  background: rgba(248, 250, 252, 0.7);
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  color: var(--ink);
}

.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  background:
    linear-gradient(160deg, rgba(0, 29, 76, 0.12), rgba(27, 170, 160, 0.08) 42%, rgba(252, 185, 0, 0.08)),
    #eef2f5;
}

.login-shell {
  width: min(100%, 420px);
  padding: 18px;
}

.installer-shell {
  width: min(100%, 760px);
  align-self: start;
  padding-top: 48px;
  padding-bottom: 48px;
}

.login-panel {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.login-panel .brand {
  color: var(--ink);
}

.form-divider {
  height: 1px;
  background: var(--line);
  margin: 4px 0;
}

.form-message {
  min-height: 20px;
  margin: 0;
  color: var(--danger);
  font-weight: 800;
}

.toast-region {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  display: grid;
  gap: 10px;
  width: min(420px, calc(100vw - 36px));
  pointer-events: none;
}

.toast {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
  pointer-events: auto;
  animation: toast-in 160ms ease-out;
}

.toast strong {
  font-size: 0.92rem;
}

.toast span {
  color: var(--muted);
  font-size: 0.84rem;
}

.toast.success {
  border-left-color: var(--success);
}

.toast.error {
  border-left-color: var(--danger);
}

.toast.warning {
  border-left-color: var(--accent);
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.99);
  }

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

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    height: auto;
    z-index: 10;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    padding: 14px;
    flex-wrap: wrap;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .sidebar-brand-card {
    display: none;
  }

  .topbar {
    position: static;
    margin: -14px -14px 20px;
    padding: 18px 14px;
  }

  .nav-tabs {
    display: none;
    order: 10;
    width: 100%;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .sidebar.menu-open .nav-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(150px, 1fr));
  }

  .sidebar > .primary-action,
  .sidebar > .sidebar-button {
    display: none;
  }

  .sidebar.menu-open > .primary-action,
  .sidebar.menu-open > .sidebar-button {
    display: inline-flex;
    order: 11;
  }

  .nav-tab,
  .primary-action {
    width: auto;
    white-space: nowrap;
  }

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

  .dashboard-grid,
  .settings-grid,
  .chart-grid,
  .tour-builder-layout,
  .tour-availability-grid {
    grid-template-columns: 1fr;
  }

  .workspace {
    padding: 14px;
  }
}

@media (max-width: 720px) {
  .workspace {
    padding: 18px 14px;
  }

  .sidebar {
    gap: 10px;
  }

  .brand {
    min-width: 0;
    flex: 1;
  }

  .nav-tab {
    min-height: 38px;
    padding: 8px 10px;
  }

  .topbar {
    margin: -18px -14px 20px;
  }

  .sidebar-brand-card {
    display: none;
  }

  .sidebar.menu-open .nav-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .view-instruction {
    font-size: 0.88rem;
  }

  .quick-guidance span {
    min-height: 26px;
    padding: 4px 8px;
  }

  .topbar,
  .section-heading,
  .panel-heading,
  .application-detail-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .metric-grid,
  .form-grid,
  .form-grid.compact,
  .branding-colour-grid,
  .branding-logo-controls,
  .application-detail-grid,
  .workflow-grid,
  .slot-capacity-row {
    grid-template-columns: 1fr;
  }

  .branding-preview {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .branding-preview-action {
    grid-column: 1 / -1;
  }

  .tour-slot-card header {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .slot-date-block {
    text-align: left;
  }

  .modal-actions {
    grid-template-columns: 1fr;
  }

  .modal-actions span {
    display: none;
  }

  .modal-actions button,
  .modal-actions .primary-action {
    width: 100%;
  }

  .filter-grid select,
  .bulk-actions select,
  .bulk-actions input {
    width: 100%;
  }

  .filter-grid,
  .bulk-actions {
    align-items: stretch;
  }

  .bulk-edit-actions .danger-button {
    margin-left: 0;
  }

  .segmented {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .segment {
    width: 100%;
  }

  .kanban {
    grid-auto-columns: minmax(82vw, 1fr);
  }

  .calendar-day,
  .diff-table div {
    grid-template-columns: 1fr;
  }

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

  .toast-region {
    right: 12px;
    bottom: 12px;
    width: calc(100vw - 24px);
  }
}

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