/* Shared calm application layer.
   Loaded after each screen-specific stylesheet so the product keeps its
   established interaction model while sharing one semantic visual system. */
:root {
  --calm-font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --calm-canvas: #f5f7fa;
  --calm-surface: #ffffff;
  --calm-surface-subtle: #f8fafc;
  --calm-surface-selected: #edf4fb;
  --calm-surface-success: #edf7f1;
  --calm-surface-warning: #fff8e8;
  --calm-surface-danger: #fff0ef;
  --calm-text: #17212b;
  --calm-text-secondary: #526171;
  --calm-border: #d7dee7;
  --calm-border-strong: #aeb9c6;
  --calm-accent: #245f96;
  --calm-accent-hover: #194f82;
  --calm-accent-contrast: #ffffff;
  --calm-success: #24704c;
  --calm-warning: #855c08;
  --calm-danger: #a33a34;
  --calm-focus: #0874d8;
  --calm-space-1: 4px;
  --calm-space-2: 8px;
  --calm-space-3: 12px;
  --calm-space-4: 16px;
  --calm-space-5: 20px;
  --calm-space-6: 24px;
  --calm-radius-small: 7px;
  --calm-radius-control: 10px;
  --calm-radius-panel: 14px;
  --calm-radius-overlay: 18px;
  --calm-control-height: 44px;
  --calm-shadow-overlay: 0 22px 60px rgb(23 33 43 / 18%);

  /* Map the older page-specific token names to the shared roles. */
  --font-body: var(--calm-font);
  --font: var(--calm-font);
  --text-primary: var(--calm-text);
  --text-secondary: var(--calm-text-secondary);
  --text: var(--calm-text);
  --muted: var(--calm-text-secondary);
  --surface-canvas: var(--calm-canvas);
  --canvas: var(--calm-canvas);
  --surface-primary: var(--calm-surface);
  --surface: var(--calm-surface);
  --surface-raised: var(--calm-surface);
  --surface-secondary: var(--calm-surface-subtle);
  --surface-2: var(--calm-surface-subtle);
  --subtle: var(--calm-surface-subtle);
  --surface-selected: var(--calm-surface-selected);
  --selected: var(--calm-surface-selected);
  --surface-accent: var(--calm-surface-selected);
  --surface-success: var(--calm-surface-success);
  --surface-warning: var(--calm-surface-warning);
  --surface-danger: var(--calm-surface-danger);
  --danger-bg: var(--calm-surface-danger);
  --border-subtle: var(--calm-border);
  --border-strong: var(--calm-border-strong);
  --border: var(--calm-border);
  --accent: var(--calm-accent);
  --accent-hover: var(--calm-accent-hover);
  --accent-contrast: var(--calm-accent-contrast);
  --accent-text: var(--calm-accent-contrast);
  --success: var(--calm-success);
  --warning: var(--calm-warning);
  --danger: var(--calm-danger);
  --focus: var(--calm-focus);
  --radius-small: var(--calm-radius-small);
  --radius-badge: var(--calm-radius-small);
  --radius-control: var(--calm-radius-control);
  --radius-card: var(--calm-radius-panel);
  --radius-panel: var(--calm-radius-panel);
  --control-height: var(--calm-control-height);
  --shadow-float: var(--calm-shadow-overlay);
}

@media (prefers-color-scheme: dark) {
  :root {
    --calm-canvas: #111820;
    --calm-surface: #18212b;
    --calm-surface-subtle: #202a35;
    --calm-surface-selected: #203b55;
    --calm-surface-success: #173a2a;
    --calm-surface-warning: #3a2d17;
    --calm-surface-danger: #402322;
    --calm-text: #edf2f7;
    --calm-text-secondary: #b2becb;
    --calm-border: #3a4654;
    --calm-border-strong: #708093;
    --calm-accent: #7eb4e6;
    --calm-accent-hover: #9ac6ee;
    --calm-accent-contrast: #10273b;
    --calm-success: #78cda9;
    --calm-warning: #efc66f;
    --calm-danger: #f0948d;
    --calm-focus: #74b8f5;
    --calm-shadow-overlay: 0 26px 70px rgb(0 0 0 / 42%);
  }
}

html { background: var(--calm-canvas); }
body { color: var(--calm-text); background: var(--calm-canvas); font-family: var(--calm-font); }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; }

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible,
[draggable="true"]:focus-visible {
  outline: 3px solid var(--calm-focus);
  outline-offset: 2px;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  color: var(--calm-text);
  background: var(--calm-surface);
  border-color: var(--calm-border);
  border-radius: var(--calm-radius-control);
}

input:not([type="checkbox"]):not([type="radio"]):hover,
select:hover,
textarea:hover { border-color: var(--calm-border-strong); }

input:not([type="checkbox"]):not([type="radio"]):focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--calm-accent);
  box-shadow: 0 0 0 1px var(--calm-accent);
}

input::placeholder, textarea::placeholder { color: var(--calm-text-secondary); opacity: .78; }

.skip-link { border: 1px solid var(--calm-border-strong); box-shadow: var(--calm-shadow-overlay); }

/* Application bars use separation rather than a decorative accent stripe. */
.topbar,
.manage-topbar,
.rules-topbar,
.integration-topbar,
.audit-header {
  box-shadow: none;
  border-bottom-color: var(--calm-border);
}

.eyebrow,
.manage-title p,
.list-toolbar p,
.record-inspector header p,
.rules-title p,
.rule-catalog header p,
.editor-header p,
.impact-section header p,
dialog header p,
.page-identity p,
.section-header p {
  color: var(--calm-text-secondary);
  letter-spacing: .045em;
}

/* Planning workspace: quiet chrome and a strong, readable work plane. */
.worksheet { --surface-request-header: #eef3f8; --surface-request-footer: var(--calm-surface); }
.worksheet .topbar { min-height: 72px; padding-block: 10px; }
.worksheet .brand-block { border-inline-end-color: var(--calm-border); }
.worksheet .icon-button,
.worksheet .quiet-button,
.worksheet .task-button,
.worksheet .primary-button,
.worksheet .view-button,
.worksheet .filter-button,
.worksheet .resource-actions button,
.worksheet .request-status,
.worksheet .roster-chip,
.worksheet .type-badge,
.worksheet .status-badge,
.worksheet .selection-bar,
.worksheet .toast { border-radius: var(--calm-radius-control); }
.worksheet .icon-button { background: transparent; }
.worksheet .quiet-button,
.worksheet .task-button { background: var(--calm-surface); }
.worksheet .primary-button { box-shadow: 0 1px 2px rgb(18 33 48 / 12%); }
.worksheet .desktop-workspace { height: calc(100dvh - var(--topbar-height, 72px)); }
.worksheet .planning-panel,
.worksheet .addresses-panel,
.worksheet .resources-panel { background: var(--calm-surface); }
.worksheet .planning-panel { border-inline: 1px solid var(--calm-border); }
.worksheet .planning-panel > .panel-heading { min-height: 58px; border-bottom: 1px solid var(--calm-border); }
.worksheet .view-switcher,
.worksheet .filter-group { gap: 2px; padding: 3px; border: 1px solid var(--calm-border); border-radius: var(--calm-radius-control); background: var(--calm-surface-subtle); }
.worksheet .view-button,
.worksheet .filter-button { min-height: 34px; border: 0; border-radius: calc(var(--calm-radius-control) - 3px); box-shadow: none; }
.worksheet .view-button.is-active,
.worksheet .filter-button.is-active { color: var(--calm-text); background: var(--calm-surface); box-shadow: 0 1px 2px rgb(18 33 48 / 10%); }
.worksheet .board-summary { padding-block: 10px; border-bottom: 1px solid var(--calm-border); }
.worksheet .board-summary strong { font-variant-numeric: tabular-nums; }
.worksheet .customer-heading { color: var(--calm-text); background: #eef3f8; border-color: var(--calm-border); }
.worksheet .customer-heading h3,
.worksheet .request-header h3 { letter-spacing: 0; text-transform: none; }
.worksheet .request-header { background: var(--calm-surface-subtle); border-color: var(--calm-border); }
.worksheet .request-card { border-color: var(--calm-border); }
.worksheet .plan-columns { color: var(--calm-text-secondary); background: #f7f9fb; }
.worksheet .plan-row { background: var(--calm-surface); border-color: var(--calm-border); }
.worksheet .plan-row:hover { background: var(--calm-surface-subtle); }
.worksheet .plan-row.is-provisional,
.worksheet .request-card.is-provisional .plan-row { background: var(--calm-surface-warning); }
.worksheet .plan-row.is-provisional:hover,
.worksheet .request-card.is-provisional .plan-row:hover { background: color-mix(in srgb, var(--calm-surface-warning) 72%, var(--calm-surface)); }
.worksheet .request-footer { border-bottom: 1px solid var(--calm-border); }
.worksheet .resources-panel { border-inline-start: 1px solid var(--calm-border); }
.worksheet .driver-roster h3,
.worksheet .roster-heading { letter-spacing: .025em; border-color: var(--calm-border-strong); }
.worksheet .roster-chip { background: var(--calm-surface-subtle); border-color: var(--calm-border-strong); }
.worksheet .roster-chip.is-available { color: var(--calm-success); background: var(--calm-surface-success); border-color: color-mix(in srgb, var(--calm-success) 62%, var(--calm-border)); }
.worksheet .roster-chip.is-planned { color: var(--calm-text-secondary); background: var(--calm-surface-subtle); }
.worksheet .workspace-splitter::before { background: var(--calm-border); }

@media (prefers-color-scheme: dark) {
  .worksheet { --surface-request-header: #202c38; }
  .worksheet .customer-heading { background: #203142; }
  .worksheet .plan-columns { background: #1c2732; }
}

/* Native dialogs remain compact tasks with stable title and action zones. */
dialog,
.request-dialog,
.conflict-dialog {
  width: min(640px, calc(100vw - 32px));
  max-height: min(860px, calc(100dvh - 32px));
  padding: 0;
  overflow: auto;
  color: var(--calm-text);
  background: var(--calm-surface);
  border: 1px solid var(--calm-border-strong);
  border-radius: var(--calm-radius-overlay);
  box-shadow: var(--calm-shadow-overlay);
}

dialog::backdrop,
.request-dialog::backdrop,
.conflict-dialog::backdrop { background: rgb(17 24 32 / 54%); backdrop-filter: none; }

dialog form,
.request-dialog form,
.conflict-dialog form { display: grid; gap: var(--calm-space-4); margin: 0; padding: var(--calm-space-6); }

.dialog-heading,
dialog form > header {
  align-items: flex-start;
  padding-bottom: var(--calm-space-4);
  border-bottom: 1px solid var(--calm-border);
}

.dialog-heading h2,
dialog form > header h2 { margin: 0; font-size: 1.2rem; letter-spacing: -.015em; }

.dialog-heading .icon-button,
dialog form > header button[value="cancel"] {
  flex: 0 0 auto;
  width: 40px;
  min-height: 40px;
  height: 40px;
  padding: 0;
  color: var(--calm-text-secondary);
  background: transparent;
  border: 0;
  border-radius: 50%;
  font-size: 1.4rem;
}

.dialog-heading .icon-button:hover,
dialog form > header button[value="cancel"]:hover { color: var(--calm-text); background: var(--calm-surface-subtle); }

.dialog-intro { margin: -4px 0 0; color: var(--calm-text-secondary); }
.request-dialog label,
dialog label { gap: 6px; color: var(--calm-text); font-weight: 650; }
.request-dialog label > span,
dialog label > span { color: var(--calm-text-secondary); font-size: .8rem; font-weight: 700; }
.request-dialog input,
.request-dialog select,
dialog input,
dialog select { min-height: var(--calm-control-height); background: var(--calm-surface); }
.request-dialog textarea,
dialog textarea { padding: 10px 12px; }
.request-dialog fieldset {
  padding: var(--calm-space-4);
  background: var(--calm-surface-subtle);
  border-color: var(--calm-border);
  border-radius: var(--calm-radius-panel);
}
.request-dialog legend { padding-inline: 6px; font-size: .84rem; }
.dialog-error,
.form-message {
  border: 1px solid color-mix(in srgb, var(--calm-danger) 34%, var(--calm-border));
  border-inline-start: 4px solid var(--calm-danger);
  border-radius: var(--calm-radius-small);
}
.dialog-actions,
dialog form > footer {
  justify-content: flex-end;
  gap: var(--calm-space-2);
  padding-top: var(--calm-space-4);
  border-top: 1px solid var(--calm-border);
}
.request-dialog .dialog-actions {
  position: sticky;
  z-index: 2;
  bottom: calc(-1 * var(--calm-space-6));
  margin: 0 calc(-1 * var(--calm-space-6)) calc(-1 * var(--calm-space-6));
  padding: var(--calm-space-4) var(--calm-space-6) var(--calm-space-6);
  background: var(--calm-surface);
}
.conflict-versions { overflow: hidden; border-color: var(--calm-border); border-radius: var(--calm-radius-control); }
.conflict-recovery { border-radius: var(--calm-radius-small); }

/* Authentication is an intentionally focused entry screen. */
.login-shell { padding: max(24px, env(safe-area-inset-top)) 24px max(24px, env(safe-area-inset-bottom)); }
.login-panel {
  width: min(100%, 430px);
  padding: 32px;
  background: var(--calm-surface);
  border: 1px solid var(--calm-border);
  border-radius: var(--calm-radius-overlay);
  box-shadow: 0 18px 52px rgb(23 33 43 / 12%);
}
.login-panel header { padding-bottom: 20px; border-bottom: 1px solid var(--calm-border); }
.login-panel .entry-kicker { margin: 0 0 6px; color: var(--calm-text-secondary); font-size: .76rem; font-weight: 750; letter-spacing: .045em; text-transform: uppercase; }
.login-panel .entry-intro { margin: 8px 0 0; color: var(--calm-text-secondary); }
.login-panel form { gap: 16px; margin-top: 20px; }
.login-panel label { gap: 6px; color: var(--calm-text-secondary); font-size: .82rem; }
.login-panel input { min-height: 44px; padding-inline: 12px; }
.login-panel button { margin-top: 4px; border-radius: var(--calm-radius-control); transition: background 140ms ease; }
.login-panel button:hover { background: var(--calm-accent-hover); }

/* Management entry inspector: form hierarchy before containers. */
.manage-layout { grid-template-columns: 188px minmax(520px, 1fr) minmax(440px, 500px); }
.manage-navigation { background: var(--calm-surface-subtle); border-inline-end: 1px solid var(--calm-border); }
.manage-navigation button,
.manage-navigation .navigation-link { border-radius: var(--calm-radius-control); }
.manage-navigation button.is-active { color: var(--calm-text); background: var(--calm-surface-selected); box-shadow: inset 3px 0 var(--calm-accent); }
.manage-list { background: var(--calm-surface); }
.list-toolbar { min-height: 76px; }
.record-inspector { background: var(--calm-surface-subtle); border-inline-start: 1px solid var(--calm-border); }
.record-inspector > header { min-height: 68px; background: var(--calm-surface-subtle); }
#record-form { padding: 18px; }
#form-fields { gap: 14px 16px; }
#record-form label { gap: 6px; font-size: .8rem; }
#record-form input:not([type="checkbox"]),
#record-form select,
#record-form textarea { min-height: var(--calm-control-height); padding: 8px 10px; background: var(--calm-surface); border-radius: var(--calm-radius-control); }
#record-form textarea { min-height: 84px; }
#record-form .checkbox-field { padding: 10px 12px; background: var(--calm-surface); border-radius: var(--calm-radius-control); }
#record-form footer { margin: 18px -18px -18px; padding: 14px 18px max(14px, env(safe-area-inset-bottom)); background: var(--calm-surface-subtle); }
.data-table tbody tr.is-selected { background: var(--calm-surface-selected); }

/* Rule forms use the same field and overlay anatomy. */
.rule-catalog { background: var(--calm-surface-subtle); border-inline-end: 1px solid var(--calm-border); }
.rule-list button.is-selected { color: var(--calm-text); }
.rule-editor { background: var(--calm-surface); }
.editor-fields { gap: 18px; padding: 20px; }
.editor-fields label { gap: 6px; }
.editor-fields input,
.editor-fields select,
.editor-fields textarea,
#simulation-form input,
#simulation-form select { background: var(--calm-surface); }
.editor-fields textarea[name="expression"] { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; line-height: 1.5; }
.editor-actions { padding: 16px 20px; background: var(--calm-surface-subtle); }
.rule-impact { background: var(--calm-surface-subtle); }
.impact-section { border-color: var(--calm-border); border-radius: var(--calm-radius-panel); }

/* Integration and audit retain dense, scan-friendly data surfaces. */
.integration-layout { background: var(--calm-border); }
.integration-layout > section { background: var(--calm-surface); }
.integration-layout > .status-panel { align-self: stretch; }
.queue-filter { padding: 3px; background: var(--calm-surface-subtle); border: 1px solid var(--calm-border); border-radius: var(--calm-radius-control); }
.queue-filter button { border-radius: calc(var(--calm-radius-control) - 3px); }
.audit-page main { max-width: 1600px; margin-inline: auto; }
.table-scroll { overflow: auto; border-radius: var(--calm-radius-panel); }
.audit-change { border-radius: var(--calm-radius-panel); box-shadow: var(--calm-shadow-overlay); }

@media (max-width: 700px) {
  dialog,
  .request-dialog,
  .conflict-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); border-radius: var(--calm-radius-panel); }
  dialog form,
  .request-dialog form,
  .conflict-dialog form { padding: var(--calm-space-4); }
  .request-dialog .dialog-actions {
    bottom: calc(-1 * var(--calm-space-4));
    margin: 0 calc(-1 * var(--calm-space-4)) calc(-1 * var(--calm-space-4));
    padding: var(--calm-space-4);
  }
  .field-grid.two-columns,
  .hire-driver-fields,
  [data-hire-vehicle-fields],
  .hire-new-driver-fields { grid-template-columns: 1fr; }
  .dialog-actions > button,
  dialog form > footer > button { flex: 1 1 0; }
  .login-panel { padding: 24px 20px; border-radius: var(--calm-radius-panel); }
}

@media (prefers-contrast: more) {
  :root { --calm-border: var(--calm-border-strong); }
  .worksheet .view-button.is-active,
  .worksheet .filter-button.is-active,
  .manage-navigation button.is-active,
  .rule-list button.is-selected { outline: 2px solid var(--calm-accent); outline-offset: -2px; }
}

@media (pointer: coarse) {
  button,
  summary,
  .worksheet .view-button,
  .worksheet .filter-button,
  .worksheet .roster-chip { min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media (forced-colors: active) {
  dialog,
  .request-dialog,
  .conflict-dialog,
  .login-panel,
  .record-inspector,
  .worksheet .roster-chip { border: 1px solid CanvasText; }
}