/* Hub UI: bounded theme tokens, independent semantic colors and personal density. */
body {
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: var(--font-body);
  --canvas: #f4f6f8; --surface: #fff; --surface-subtle: #f7f9fa;
  --ink: #243746; --muted: #526573; --border: #dce3e7; --border-strong: #a4b1bb;
  --brand: #205e62; --brand-hover: #16454a; --brand-soft: #e7f2f1;
  --success: #256346; --success-soft: #eaf4ed;
  --warning: #795616; --warning-soft: #fff4db;
  --danger: #a3352d; --danger-soft: #fff0ed;
  --info: #365e72; --info-soft: #edf4f7; --focus: #93601b;
  --on-action: #fff; --radius-sm: .45rem; --radius: .75rem; --radius-lg: 1rem;
  --shadow: 0 1px 3px rgb(23 43 54 / 4%); --shadow-popover: 0 8px 24px rgb(23 43 54 / 12%);
  --card-padding: 1.25rem; --row-padding: .85rem; --section-gap: 1.5rem;
  --control-height: 2.875rem; --body-size: 1rem; --heading-weight: 720;
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.5rem; --space-6: 2rem; --space-7: 3rem;
  color: var(--ink); background: var(--canvas); font: var(--body-size)/1.55 var(--font-body);
  accent-color: var(--brand); color-scheme: light;
}
body[data-ui-theme="warm"] {
  --canvas: #f5f3ef; --surface: #fffefa; --surface-subtle: #f8f5ef;
  --ink: #353c37; --muted: #60695f; --border: #e3e0d6; --border-strong: #aaa99d;
  --brand: #386357; --brand-hover: #25483f; --brand-soft: #eaf1e9;
  --radius-sm: .65rem; --radius: 1rem; --radius-lg: 1.4rem;
  --shadow: 0 2px 7px rgb(67 62 46 / 4%);
}
body[data-ui-theme="elegant"] {
  --canvas: #f5f5f6; --surface-subtle: #faf9fc; --ink: #343345; --muted: #626171;
  --brand: #56516f; --brand-hover: #3d3855; --brand-soft: #f0edf5; --border: #e2dfe7;
  --font-heading: Georgia, "Times New Roman", serif; --heading-weight: 500;
  --radius-sm: .25rem; --radius: .4rem; --radius-lg: .7rem; --shadow: none;
}
body[data-ui-theme="minimal"] {
  --canvas: #fff; --surface-subtle: #f5f7f7; --border: #e4e8e8; --brand: #354f57;
  --brand-hover: #203940; --brand-soft: #f0f4f4; --radius-sm: .25rem; --radius: .3rem;
  --radius-lg: .4rem; --shadow: none; --shadow-popover: 0 5px 16px rgb(23 43 54 / 10%);
}
body[data-ui-appearance="dark"] {
  --canvas: #151d24; --surface: #202b34; --surface-subtle: #27343e;
  --ink: #edf2f5; --muted: #bac9d3; --border: #3c4e5b; --border-strong: #7a8f9e;
  --brand: #94d8cf; --brand-hover: #b6ede6; --brand-soft: #273f40; --on-action: #122a28;
  --success: #a0ddb7; --success-soft: #223c2e; --warning: #f4d18a; --warning-soft: #423824;
  --danger: #ffb9af; --danger-soft: #492e30; --info: #b3d9ef; --info-soft: #273e50;
  --focus: #f5d48e; --shadow: none; --shadow-popover: 0 8px 26px rgb(0 0 0 / 24%);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  body[data-ui-appearance="system"] {
    --canvas: #151d24; --surface: #202b34; --surface-subtle: #27343e;
    --ink: #edf2f5; --muted: #bac9d3; --border: #3c4e5b; --border-strong: #7a8f9e;
    --brand: #94d8cf; --brand-hover: #b6ede6; --brand-soft: #273f40; --on-action: #122a28;
    --success: #a0ddb7; --success-soft: #223c2e; --warning: #f4d18a; --warning-soft: #423824;
    --danger: #ffb9af; --danger-soft: #492e30; --info: #b3d9ef; --info-soft: #273e50;
    --focus: #f5d48e; --shadow: none; --shadow-popover: 0 8px 26px rgb(0 0 0 / 24%);
    color-scheme: dark;
  }
}
body.ui-density-compact { --card-padding: .9rem; --row-padding: .55rem; --section-gap: 1rem; --control-height: 2.5rem; --space-5: 1rem; --space-6: 1.5rem; --space-7: 2rem; }
body.ui-density-touch, body.ui-touch-comfort { --control-height: 3.25rem; }
body.ui-density-touch { --body-size: 1.0625rem; --card-padding: 1.6rem; --row-padding: 1.15rem; --section-gap: 1.8rem; }
body.terrain-shell { --control-height: 3.25rem; }
h1, h2, h3 { font-family: var(--font-heading); font-weight: var(--heading-weight); }
h1 { font-size: clamp(1.65rem, 2.5vw, 2.2rem); }
.muted, .helptext, .eyebrow { color: var(--muted); }
.card, .ui-density-compact main .card { padding: var(--card-padding); }
.card { box-shadow: var(--shadow); }
button, .button, input, select { min-height: var(--control-height); }
button, .button { background: var(--brand); color: var(--on-action); }
button.secondary, .button.secondary, .secondary { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
button.danger, .button.danger { background: var(--danger-soft); color: var(--danger); border-color: var(--danger); }
.text-button { background: transparent; color: var(--brand); }
input[type=checkbox], input[type=radio] { min-height: 1.25rem; }
.terrain-shell label:has(input[type=checkbox]), .ui-density-touch label:has(input[type=checkbox]) { min-height: 44px; padding-block: .5rem; }
.terrain-shell p:has(> input[type=checkbox]) > label, .ui-density-touch p:has(> input[type=checkbox]) > label { min-height: 44px; display: flex; align-items: center; }
input[type=color] { width: 7rem; padding: .3rem; }
input, textarea, select { background: var(--surface); color: var(--ink); }
input[type=file] { padding: .6rem; }
input[type=file]::file-selector-button { border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface-subtle); color: var(--ink); padding: .35rem .7rem; margin-right: .5rem; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
details > summary { cursor: pointer; min-height: 2.75rem; }
dialog { color: var(--ink); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-popover); max-width: min(32rem, calc(100vw - 2rem)); }
dialog::backdrop { background: rgb(14 24 30 / 40%); }
th, td { padding-block: var(--row-padding); border-color: var(--border); }
thead, th { background: var(--surface-subtle); color: var(--ink); }
tr:nth-child(even) { background: var(--surface-subtle); }
.responsive-table-region { max-width: 100%; overflow: auto; border-radius: var(--radius-sm); }
.pilot-form, .form-page { max-width: 48rem; }
.pilot-form > p, .pilot-form details > p { margin-block: 1rem; }
.pilot-form details { padding: var(--row-padding); border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-subtle); }
.pilot-form fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: var(--card-padding); }
.page-heading { display: flex; flex-direction: column; align-items: flex-start; gap: .25rem; margin-bottom: var(--section-gap); }
.page-heading h1, .page-heading p { margin: 0; }
.backbar:empty { display: none; }
.breadcrumbs { font-size: .85rem; color: var(--muted); margin-bottom: .7rem; }
main nav.breadcrumbs { background: transparent; border: 0; padding: 0; border-radius: 0; display: flex; align-items: center; gap: .35rem; }
main nav.breadcrumbs a { padding: 0; }
main nav.planning-shortcuts { background: transparent; border: 0; padding: 0; }
.organization-feature, .organization-requirement { border-color: var(--border-strong); }
.organization-feature:focus-within { outline-color: var(--focus); }
.app-header { background: var(--surface); box-shadow: none; border-bottom: 1px solid var(--border); }
.header-inner { padding-block: .85rem; gap: 1rem; }
.brand-name { font-size: 1.12rem; letter-spacing: -.02em; }
.brand-subtitle { font-size: .75rem; letter-spacing: .02em; color: var(--muted); }
.brand-icon { width: 36px; height: 36px; object-fit: contain; border-radius: .35rem; background: #fff; }
body[data-ui-theme] main { background: transparent; color: inherit; }
body[data-ui-theme] .card { box-shadow: var(--shadow); }
.organization-branded .brand { border-radius: var(--radius-sm); }
.organization-branded .app-header { border-bottom: 2px solid var(--organization-accent); }
.app-context { background: var(--surface); }
.organization-context { display: flex; align-items: center; flex-wrap: wrap; gap: .6rem 1rem; padding-top: .5rem; padding-bottom: .5rem; }
.organization-context > strong { font-size: .8rem; font-weight: 600; }
.organization-context form { margin: 0; }
.organization-context select { max-width: 19rem; }
.local-context { padding-block: .4rem; }
.nav-shell { box-shadow: none; }
.app-nav { gap: .25rem; padding-block: .45rem; }
.navigation-links { min-width: 15rem; max-width: min(24rem, calc(100vw - 2rem)); box-shadow: var(--shadow-popover); }
.app-nav > a, .navigation-more > summary { border-radius: var(--radius-sm); min-height: 2.75rem; }
.mode-switch [aria-pressed=true] { color: var(--on-action); }
.dashboard-topline { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.dashboard-customize { font-size: .85rem; margin: .3rem 0 1rem; }
.operational-grid { gap: var(--section-gap); align-items: start; }
.operational-grid > .card { margin: 0; }
.operational-widget { position: relative; display: grid; gap: .5rem; }
.operational-widget h2 { font-size: 1rem; margin: 0; }
.operational-widget p { margin: 0; }
.operational-widget .widget-count { font-size: 2rem; line-height: 1.1; font-weight: 720; font-variant-numeric: tabular-nums; }
.operational-widget .widget-detail { color: var(--muted); font-size: .88rem; }
.operational-widget[data-widget=stays] { border-top: 3px solid var(--info); }
.operational-widget[data-widget=missions] { border-top: 3px solid var(--brand); }
.operational-widget[data-widget=signals]:has(.widget-count), .operational-widget[data-widget=quality]:has(.widget-count) { border-left: 3px solid var(--warning); }
.operational-widget.widget-compact { display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem .8rem; background: var(--surface-subtle); box-shadow: none; }
.operational-widget.widget-compact .widget-detail { flex-basis: 100%; }
.operational-widget.widget-large { min-height: 10rem; }
.operational-widget.widget-compact { min-height: 0; }
.dashboard-config { gap: 1rem; }
.dashboard-config fieldset { background: var(--surface); border-color: var(--border); }
.widget-order-controls { display: flex; gap: .4rem; }
.widget-order-controls button { padding: .35rem .7rem; }
.policy-summary { font-size: 1.1rem; line-height: 1.6; max-width: 60rem; }
.policy-facts > div, .copy-diff > div { border-color: var(--border); padding-block: var(--row-padding); }
.policy-facts dt { font-size: .85rem; color: var(--muted); }
.policy-facts dd { font-weight: 600; }
.policy-facts small { color: var(--muted); font-weight: 400; }
.impact-preview { background: var(--info-soft); border-color: var(--info); border-radius: var(--radius-sm); color: var(--ink); }
.planning-intro { max-width: 60rem; color: var(--muted); font-size: .9rem; }
.planning-shortcuts a { background: var(--surface); border: 1px solid var(--border); padding: .55rem .85rem; min-height: 2.75rem; text-decoration: none; }
.planning-shortcuts a[aria-current=page] { color: var(--brand); background: var(--brand-soft); border-color: var(--brand); font-weight: 650; }
.week-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); overflow: visible; align-items: start; gap: .55rem; }
.week-grid .day-column { margin: 0; padding: .65rem; }
.day-column h2 { margin: 0 0 .7rem; font-family: var(--font-body); font-size: .88rem; font-weight: 700; }
.day-column h2 a { color: inherit; }
.stay-row { padding-block: .9rem; border-color: var(--border); }
.stay-row h3 { font-family: var(--font-body); font-size: .95rem; margin-bottom: .7rem; }
.rotation-flow { display: grid; gap: .6rem; }
.rotation-step { padding-left: .65rem; border-left: 2px solid var(--border-strong); min-width: 0; }
.rotation-step h4 { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 .25rem; }
.rotation-step p { margin: .25rem 0; font-size: .82rem; }
.rotation-step.cleaning-step { border-left-color: var(--info); }
.readiness-red { border-color: var(--danger); color: var(--danger); }
.readiness-orange { border-color: var(--warning); color: var(--warning); }
.readiness { background: transparent; }
.planning-day { grid-template-columns: 1fr; max-width: 76rem; margin-inline: auto; }
.planning-day .rotation-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.planning-day .stay-row { padding: var(--card-padding); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 1rem; }
.planning-day .rotation-step p { font-size: .95rem; }
.appearance-layout { display: grid; grid-template-columns: minmax(0, 27rem) minmax(0, 1fr); gap: var(--section-gap); align-items: start; max-width: 70rem; }
.appearance-preview { position: sticky; top: 1rem; padding: var(--card-padding); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.appearance-preview .preview-identity { display: flex; align-items: center; gap: .7rem; font-weight: 650; margin-bottom: 1.25rem; }
.appearance-preview .preview-identity img { width: 36px; height: 36px; object-fit: contain; background: #fff; border-radius: .4rem; }
.appearance-feedback { min-height: 1.5rem; color: var(--muted); font-size: .85rem; }
.brand-preview { padding: 1rem; border-radius: var(--radius); background: var(--organization-primary, #174a3b); color: var(--organization-text, #fff); }
.brand-preview p { color: inherit; }
.brand-accent-sample { display: inline-block; padding: .5rem .75rem; background: var(--organization-accent, #b86929); color: var(--organization-accent-text, #000); border-radius: var(--radius-sm); }
.ui-status { display: inline-flex; align-items: center; gap: .4rem; padding: .25rem .6rem; border-radius: var(--radius-sm); font-size: .82rem; line-height: 1.4; }
.ui-status.success { color: var(--success); background: var(--success-soft); }
.ui-status.warning { color: var(--warning); background: var(--warning-soft); }
.ui-status.danger { color: var(--danger); background: var(--danger-soft); }
.ui-status.neutral, .ui-status.unknown { color: var(--muted); background: var(--surface-subtle); border: 1px solid var(--border); }
.offline-readiness { color: var(--success); }
[data-offline-state=warning] { color: var(--warning); }
.dashboard-tasks .priority-blue { background: var(--info-soft); }
.dashboard-tasks .priority-sand, .help-panel, .field-actions .tile-sand { background: var(--warning-soft); color: var(--warning); border-color: var(--border); }
.dashboard-tasks .priority-green, .field-actions .field-tile { background: var(--brand-soft); color: var(--brand); }
.dashboard-tasks .priority-red, .field-actions .tile-alert { background: var(--danger-soft); color: var(--danger); }
.help-panel .icon-tile, .dashboard-tasks .icon-tile { background: var(--surface); color: inherit; }
.field-tile .tile-arrow { color: var(--on-action); }
.empty-state { padding: var(--card-padding); background: var(--surface-subtle); }
@media (max-width: 64rem) {
  .week-grid:not(.planning-day) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .header-inner { align-items: flex-start; }
}
@media (max-width: 48rem) {
  .appearance-layout { grid-template-columns: 1fr; }
  .appearance-preview { position: static; }
  .header-inner { padding: .7rem 1rem; }
  .header-controls { gap: .5rem; }
  .identity { gap: .5rem; }
  .organization-context form { flex-basis: 100%; }
}
@media (max-width: 40rem) {
  body { --control-height: 2.875rem; }
  body.terrain-shell, body.ui-density-touch, body.ui-touch-comfort { --control-height: 3.25rem; }
  main { padding: 1.2rem 1rem 2rem; }
  .header-inner { flex-direction: column; }
  .brand { max-width: 100%; }
  .brand-copy { min-width: 0; }
  .brand-name { overflow-wrap: anywhere; }
  .header-controls { display: flex; flex-direction: column; align-items: stretch; width: 100%; }
  .identity { width: 100%; justify-content: space-between; flex-direction: row; align-items: center; flex-wrap: wrap; margin-left: 0; }
  .identity-name { max-width: 8rem; }
  .identity .secondary { padding-inline: .65rem; }
  .app-nav { display: flex; flex-wrap: wrap; align-items: stretch; padding: .5rem; gap: .25rem; }
  .app-nav > a, .navigation-more > summary { flex-direction: row; text-align: left; font-size: .85rem; padding: .6rem; }
  .navigation-more summary > span:last-child { display: inline; }
  .app-nav > a, .app-nav > details { flex: 1 1 45%; }
  .navigation-links { left: 0; right: auto; min-width: min(16rem, calc(100vw - 2rem)); }
  .app-nav > details:nth-child(even) .navigation-links { right: 0; left: auto; }
  .operational-grid, .dashboard-config { grid-template-columns: 1fr; }
  .week-grid:not(.planning-day), .planning-day .rotation-flow { grid-template-columns: 1fr; }
  .week-grid { display: grid; }
  .week-grid .day-column { padding: var(--card-padding); }
  .rotation-step p { font-size: .92rem; }
  .organization-context select { width: 100%; max-width: 100%; }
  .organization-context form { width: 100%; }
  .organization-context form label { flex-basis: 100%; }
  .organization-context form select { flex: 1 1 12rem; }
  .responsive-stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .responsive-stack, .responsive-stack tbody, .responsive-stack tr, .responsive-stack td { display: block; width: 100%; min-width: 0; }
  .responsive-stack tr { padding: .5rem 0; border-bottom: 1px solid var(--border); }
  .responsive-stack td { display: flex; flex-wrap: wrap; gap: .5rem; border: 0; padding: .4rem .7rem; overflow-wrap: anywhere; }
  .responsive-stack td::before { content: attr(data-label); flex: 0 0 38%; color: var(--muted); font-size: .82rem; }
}
@media (prefers-reduced-motion: no-preference) { button, .button, a.card { transition: background-color 120ms, border-color 120ms; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }