/* AirBook Web — theme on top of Pure CSS */

:root {
  --ab-bg: #070d18;
  --ab-bg-elevated: #0f1a2e;
  --ab-bg-card: #152238;
  --ab-border: rgba(255, 255, 255, 0.08);
  --ab-text: #e8eef7;
  --ab-muted: #8b9cb3;
  --ab-accent: #c9a227;
  --ab-accent-dim: rgba(201, 162, 39, 0.25);
  --ab-success: #3dd68c;
  --ab-danger: #ff6b6b;
  --ab-roster-flight: #1e4d8c;
  --ab-roster-off: #2a3544;
  --ab-radius: 12px;
  --ab-font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --ab-bg: #f4f6fa;
    --ab-bg-elevated: #ffffff;
    --ab-bg-card: #ffffff;
    --ab-border: rgba(0, 0, 0, 0.08);
    --ab-text: #0f172a;
    --ab-muted: #64748b;
    --ab-accent: #9a7b1a;
    --ab-accent-dim: rgba(154, 123, 26, 0.15);
  }
}

* { box-sizing: border-box; }

.ab-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ab-font);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, #1a3055 0%, var(--ab-bg) 55%);
  color: var(--ab-text);
}

.ab-logo {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.75rem;
  margin: 0;
  background: linear-gradient(135deg, var(--ab-accent), #f0e6c8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ab-logo--compact { font-size: 1.25rem; }

.ab-muted { color: var(--ab-muted); }
.ab-premium-active { color: #2d6a4f; font-weight: 600; }

.ab-premium-modal-lead { font-size: 1rem; line-height: 1.45; margin: 0 0 1rem; }
.ab-premium-feature {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}
.ab-premium-feature-icon {
  font-size: 1.5rem;
  color: var(--ab-gold, #c9a227);
  line-height: 1;
}
.ab-premium-cta { width: 100%; margin-bottom: 0.5rem; }
.ab-premium-foot { font-size: 0.85rem; margin-top: 0.75rem; }
.ab-error { color: var(--ab-danger); font-size: 0.9rem; }

.ab-auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.ab-auth-card {
  max-width: 420px;
  width: 100%;
  padding: 2rem;
  background: var(--ab-bg-elevated);
  border: 1px solid var(--ab-border);
  border-radius: var(--ab-radius);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.ab-sign-in-mount {
  min-height: 44px;
  margin: 1.25rem auto;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.ab-sign-in-mount iframe {
  margin: 0 auto;
}

.ab-sign-in-mount > div {
  display: inline-flex;
  justify-content: center;
}

.ab-footnote { font-size: 0.8rem; margin-top: 1.5rem; }

.ab-shell {
  max-width: 1200px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ab-shell--wide {
  max-width: 1440px;
}

.ab-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--ab-border);
  background: color-mix(in srgb, var(--ab-bg-elevated) 85%, transparent);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.ab-tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
  align-items: center;
}

.ab-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--ab-muted);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.ab-tab-btn:hover { color: var(--ab-text); background: var(--ab-accent-dim); }
.ab-tab-btn.is-active {
  color: var(--ab-text);
  border-color: var(--ab-accent);
  background: var(--ab-accent-dim);
}

.ab-sync-banner {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  background: var(--ab-accent-dim);
  color: var(--ab-text);
  text-align: center;
}

.ab-main {
  flex: 1;
  padding: 1rem;
}

.pure-button {
  border-radius: 8px;
  background: var(--ab-bg-card);
  color: var(--ab-text);
  border: 1px solid var(--ab-border);
}

.pure-button-primary,
.ab-btn-primary {
  background: linear-gradient(135deg, var(--ab-accent), #a8841a);
  color: #0a0a0a;
  border: none;
  font-weight: 600;
}

.ab-card {
  background: var(--ab-bg-card);
  border: 1px solid var(--ab-border);
  border-radius: var(--ab-radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.ab-card h2, .ab-card h3 { margin-top: 0; }

.ab-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.ab-stat-hero {
  text-align: center;
  padding: 1.25rem;
}

.ab-stat-hero .value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--ab-accent);
}

.ab-stat-hero .label { font-size: 0.85rem; color: var(--ab-muted); }

.ab-flight-list { list-style: none; padding: 0; margin: 0; }

.ab-flight-row {
  display: flex;
  align-items: stretch;
  min-height: 72px;
  border-bottom: 1px solid var(--ab-border);
  cursor: pointer;
  transition: background 0.12s;
}

.ab-flight-row:hover { background: var(--ab-accent-dim); }

.ab-flight-date-strip {
  flex: 0 0 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.5rem 0.35rem;
  color: #fff;
  position: relative;
  border-right: 3px solid #ffc900;
}

.ab-flight-date-strip--completedReal { background: #06264f; }
.ab-flight-date-strip--completedSim { background: rgb(64, 105, 224); }
.ab-flight-date-strip--incomplete { background: #6b7280; }

.ab-flight-date-day {
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1;
}

.ab-flight-date-month {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.85;
  text-align: center;
  line-height: 1.2;
}

.ab-flight-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.65rem 0.75rem;
}

.ab-flight-line1 {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.ab-flight-callsign {
  font-weight: 600;
  font-size: 1rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ab-flight-hours {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  flex-shrink: 0;
}

.ab-flight-line2 {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0;
  font-size: 0.8rem;
  color: var(--ab-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ab-flight-sep { flex-shrink: 0; }

.ab-flight-dn {
  margin-left: auto;
  display: inline-flex;
  gap: 0.35rem;
  flex-shrink: 0;
}

.ab-dn-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.625rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.ab-dn-chip--day::before,
.ab-dn-chip--night::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ab-dn-chip--day::before { background: #facc15; }
.ab-dn-chip--night::before { background: #06264f; }

@media (prefers-color-scheme: light) {
  .ab-dn-chip--night::before { background: #2563eb; }
}

.ab-badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ab-badge--draft { background: #4a5568; color: #fff; }
.ab-badge--planned { background: #2b6cb0; color: #fff; }
.ab-badge--completed { background: #276749; color: #fff; }
.ab-badge--sim { background: #6b46c1; color: #fff; }

.ab-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  align-items: center;
}

.ab-toolbar input[type="search"],
.ab-toolbar input[type="text"],
.ab-toolbar select,
.ab-form input,
.ab-form select,
.ab-form textarea {
  background: var(--ab-bg);
  border: 1px solid var(--ab-border);
  color: var(--ab-text);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font: inherit;
}

.ab-form label {
  display: block;
  font-size: 0.8rem;
  color: var(--ab-muted);
  margin-bottom: 0.25rem;
}

.ab-form .field { margin-bottom: 0.85rem; }

.ab-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.ab-chart-bar {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 120px;
  margin-top: 0.5rem;
}

.ab-chart-bar .bar {
  flex: 1;
  min-width: 8px;
  background: linear-gradient(to top, var(--ab-accent), var(--ab-accent-dim));
  border-radius: 4px 4px 0 0;
  position: relative;
}

.ab-chart-bar .bar span {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  white-space: nowrap;
  color: var(--ab-muted);
}

.ab-roster-day {
  margin-bottom: 1.5rem;
}

.ab-roster-day h3 {
  font-size: 0.95rem;
  color: var(--ab-accent);
  border-bottom: 1px solid var(--ab-border);
  padding-bottom: 0.35rem;
}

.ab-roster-card {
  padding: 0.65rem 0.85rem;
  margin: 0.35rem 0;
  border-radius: 8px;
  border-left: 4px solid var(--ab-roster-off);
  background: var(--ab-bg);
  font-size: 0.9rem;
}

.ab-roster-card.is-flight { border-left-color: var(--ab-accent); background: color-mix(in srgb, var(--ab-roster-flight) 40%, var(--ab-bg)); }

.ab-roster-card .times {
  font-variant-numeric: tabular-nums;
  color: var(--ab-muted);
  font-size: 0.8rem;
}

.ab-settings-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ab-settings-list li { border-bottom: 1px solid var(--ab-border); }

.ab-settings-list a,
.ab-settings-list button.ab-link {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.85rem 0;
  color: var(--ab-text);
  text-decoration: none;
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
}

.ab-settings-list a:hover,
.ab-settings-list button.ab-link:hover { color: var(--ab-accent); }

.ab-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--ab-muted);
}

.ab-chart-bar--tall { height: 160px; }

.ab-chart-bar .bar--stack {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(to top, var(--ab-accent-dim), transparent);
}

.ab-chart-bar .bar-fly {
  width: 100%;
  background: var(--ab-accent);
  border-radius: 4px 4px 0 0;
}

.ab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.ab-table th, .ab-table td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--ab-border);
  text-align: left;
}

.ab-duty-canvas {
  width: 100%;
  height: 280px;
  display: block;
  background: var(--ab-bg);
  border-radius: 8px;
}

.ab-milestone { margin: 0.75rem 0; }
.ab-milestone-head { display: flex; justify-content: space-between; font-size: 0.9rem; }
.ab-milestone-bar {
  height: 6px;
  background: var(--ab-border);
  border-radius: 3px;
  margin-top: 0.35rem;
  overflow: hidden;
}
.ab-milestone-bar div {
  height: 100%;
  background: var(--ab-accent);
}

.ab-entity-list { list-style: none; padding: 0; margin: 0.5rem 0 0; }
.ab-entity-list li { border-bottom: 1px solid var(--ab-border); }

.ab-recency-group {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--ab-border);
}

.ab-map-legend { font-size: 0.8rem; margin-top: 0.5rem; }

.ab-form textarea {
  width: 100%;
  min-height: 4rem;
  background: var(--ab-bg);
  border: 1px solid var(--ab-border);
  color: var(--ab-text);
  border-radius: 8px;
  padding: 0.5rem;
  font: inherit;
}

.ab-detail-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.ab-notam-textarea {
  width: 100%;
  min-height: 160px;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
}

.ab-notam-block {
  border-left: 3px solid var(--ab-border);
  padding: 0.5rem 0 0.5rem 0.75rem;
  margin: 0.5rem 0;
  font-size: 0.85rem;
}

.ab-chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ab-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--ab-accent-dim);
  color: var(--ab-text);
  font-size: 0.85rem;
}

.ab-route-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.ab-section h3 { margin-top: 0; }

.ab-checklist {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0.75rem;
}

.ab-checklist li {
  padding: 0.2rem 0;
}

.ab-checklist label {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  cursor: pointer;
}

.ab-specialist-row,
.ab-custom-row,
.ab-inst-row,
.ab-vis-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--ab-border);
}

.ab-entity-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}

.ab-entity-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--ab-border);
}

/* —— Logbook master–detail —— */
.ab-logbook-split {
  display: grid;
  grid-template-columns: minmax(300px, 340px) 1fr;
  gap: 0;
  padding: 0;
  min-height: calc(100vh - 120px);
  align-items: stretch;
}

.ab-logbook-list-pane {
  border-right: 1px solid var(--ab-border);
  padding: 0.75rem;
  overflow-y: auto;
  max-height: calc(100vh - 120px);
}

.ab-logbook-detail-pane {
  padding: 0.75rem 1rem;
  overflow-y: auto;
  max-height: calc(100vh - 120px);
  min-width: 0;
}

.ab-main--flight {
  padding: 0.75rem 1rem;
}

.ab-flight-row.is-selected {
  background: color-mix(in srgb, var(--ab-text) 8%, transparent);
}

.ab-flight-row.is-selected .ab-flight-date-strip {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.35);
}

.ab-card--flush {
  padding: 0;
  overflow: hidden;
}

.ab-detail-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  text-align: center;
  color: var(--ab-muted);
  padding: 2rem;
}

.ab-detail-placeholder-icon {
  font-size: 3rem;
  opacity: 0.35;
  margin-bottom: 0.75rem;
}

.ab-detail-placeholder h2 {
  margin: 0 0 0.5rem;
  color: var(--ab-text);
}

/* —— Flight editor —— */
.ab-flight-editor {
  min-width: 0;
}

.ab-detail-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--ab-border);
}

.ab-detail-header-titles {
  flex: 1;
  min-width: 140px;
}

.ab-detail-header-titles h2 {
  margin: 0 0 0.15rem;
  font-size: 1.15rem;
}

.ab-detail-header-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.ab-btn-danger {
  color: var(--ab-danger) !important;
  border-color: color-mix(in srgb, var(--ab-danger) 40%, transparent) !important;
}

.ab-form-grid--flight {
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.65rem 0.75rem;
}

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

.ab-form .field input,
.ab-form .field select,
.ab-form .field textarea {
  width: 100%;
  max-width: 100%;
}

.ab-flight-editor-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ab-border);
}

.ab-flight-editor-back { flex: 0 0 auto; }

.ab-flight-editor-hero {
  flex: 1;
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ab-flight-editor-hero-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--ab-accent), color-mix(in srgb, var(--ab-accent) 55%, #fff));
  font-size: 1.25rem;
}

.ab-flight-editor-hero-text h2 {
  margin: 0 0 0.1rem;
  font-size: 1.2rem;
}

.ab-flight-editor-hero-text p { margin: 0; font-size: 0.85rem; }

.ab-flight-editor-status {
  align-self: center;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--ab-accent-dim);
  color: var(--ab-accent);
}

.ab-flight-editor-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.ab-editor-section { margin-bottom: 1rem; }

.ab-editor-section-title {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ab-muted);
}

.ab-editor-subsection {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ab-border);
}

.ab-editor-subsection-title {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.ab-editor-hint { margin: 0.5rem 0 0; font-size: 0.8rem; }

.ab-field-route-arrow {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.5rem;
  font-size: 1.1rem;
  color: var(--ab-accent);
  font-weight: 600;
}

.ab-field-picker-host { position: relative; }

.ab-picker-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--ab-muted);
}

.ab-search-picker,
.ab-search-multi-picker {
  position: relative;
  width: 100%;
}

.ab-search-picker-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--ab-bg);
  border: 1px solid var(--ab-border);
  border-radius: 10px;
  padding: 0 0.35rem 0 0.5rem;
}

.ab-search-picker-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--ab-text);
  font: inherit;
  padding: 0.55rem 0;
  min-width: 0;
}

.ab-search-picker-input:focus { outline: none; }

.ab-search-picker-clear {
  border: none;
  background: transparent;
  color: var(--ab-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.25rem;
}

.ab-search-picker-results {
  position: absolute;
  z-index: 40;
  left: 0;
  right: 0;
  margin: 0.25rem 0 0;
  padding: 0.25rem 0;
  list-style: none;
  max-height: 220px;
  overflow-y: auto;
  background: var(--ab-bg-elevated);
  border: 1px solid var(--ab-border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.ab-search-picker-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
}

.ab-search-picker-option:hover {
  background: color-mix(in srgb, var(--ab-text) 8%, transparent);
}

.ab-search-picker-option-label { font-weight: 600; font-size: 0.9rem; }

.ab-search-picker-option-sub {
  font-size: 0.75rem;
  color: var(--ab-muted);
}

.ab-search-picker-empty {
  padding: 0.65rem 0.75rem;
  color: var(--ab-muted);
  font-size: 0.85rem;
}

.ab-search-multi-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.4rem;
}

.ab-chip--crew {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.45rem 0.2rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ab-accent) 18%, transparent);
  font-size: 0.8rem;
}

.ab-chip-remove {
  border: none;
  background: transparent;
  color: var(--ab-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.1rem;
}

.ab-tools-menu {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ab-tools-menu-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  padding: 0.85rem 1rem;
  border: 1px solid var(--ab-border);
  border-radius: 12px;
  background: var(--ab-bg);
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.ab-tools-menu-btn:hover:not(:disabled) {
  background: color-mix(in srgb, var(--ab-text) 6%, transparent);
}

.ab-tools-menu-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ab-tools-menu-btn strong { display: block; }

.ab-tools-menu-sub {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  margin-top: 0.1rem;
}

.ab-tools-menu-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--ab-text) 8%, transparent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.ab-toolbar--sticky {
  position: sticky;
  bottom: 0;
  background: color-mix(in srgb, var(--ab-bg-card) 92%, transparent);
  padding: 0.75rem 0;
  margin-top: 0.5rem;
  border-top: 1px solid var(--ab-border);
}

/* —— Modal —— */
.ab-modal-open { overflow: hidden; }

.ab-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 200;
}

.ab-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 201;
  width: min(520px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  overflow: auto;
  background: var(--ab-bg-card);
  border: 1px solid var(--ab-border);
  border-radius: var(--ab-radius);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.ab-modal--wide { width: min(720px, calc(100vw - 2rem)); }

.ab-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--ab-border);
}

.ab-modal-header h2 { margin: 0; font-size: 1.1rem; }

.ab-modal-close {
  background: none;
  border: none;
  color: var(--ab-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
}

.ab-modal-body { padding: 1rem 1.25rem 1.25rem; }

/* —— Stats —— */
.ab-stats-page { max-width: 100%; }

.ab-stats-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ab-stats-header h1 { margin: 0; font-size: 1.5rem; }

.ab-stats-hero {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.ab-stats-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .ab-stats-chart-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ab-stats-card {
  background: var(--ab-bg-card);
  border: 1px solid var(--ab-border);
  border-radius: var(--ab-radius);
  padding: 1rem;
  height: 100%;
}

.ab-stats-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.ab-stats-card h3 { margin: 0; font-size: 0.95rem; }

.ab-stats-card-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.75rem;
}

.ab-stats-card-head--stacked {
  align-items: flex-start;
  gap: 0.5rem;
}

.ab-stats-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
}

.ab-stats-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.ab-stats-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

.ab-stats-empty--inline { margin: 0.5rem 0 0; }

.ab-hbar-chart { display: flex; flex-direction: column; gap: 0.5rem; }

.ab-hbar-row {
  display: grid;
  grid-template-columns: minmax(64px, 28%) 1fr auto;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.85rem;
}

.ab-hbar-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ab-muted);
}

.ab-hbar-track {
  height: 8px;
  background: var(--ab-border);
  border-radius: 4px;
  overflow: hidden;
}

.ab-hbar-fill {
  height: 100%;
  border-radius: 4px;
  min-width: 2px;
}

.ab-hbar-value {
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
}

.ab-stats-show-all {
  margin-top: 0.65rem;
  background: var(--ab-accent-dim);
  border: none;
  color: var(--ab-accent);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.ab-vbar-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 136px;
  margin-top: 0.5rem;
}

.ab-vbar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  min-width: 6px;
}

.ab-vbar-stack {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 4px;
}

.ab-vbar-fly {
  background: linear-gradient(180deg, rgb(51, 115, 250), rgba(51, 115, 250, 0.72));
  border-radius: 4px 4px 0 0;
  width: 100%;
  min-height: 2px;
}

.ab-vbar-duty {
  background: linear-gradient(180deg, rgb(140, 51, 217), rgba(140, 51, 217, 0.62));
  border-radius: 4px 4px 0 0;
  width: 100%;
  min-height: 2px;
}

.ab-vbar-label {
  font-size: 0.6rem;
  color: var(--ab-muted);
  margin-top: 0.25rem;
  text-align: center;
  line-height: 1.1;
  white-space: pre-line;
  min-height: 1.5em;
}

.ab-vbar-label--hidden { visibility: hidden; }

.ab-route-map-card { margin-bottom: 1rem; }

.ab-route-map-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.ab-route-map-head h3 { margin: 0; }

.ab-route-map-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ab-route-map-canvas {
  height: min(380px, 50vh);
  min-height: 280px;
  border-radius: 8px;
  overflow: hidden;
}

.ab-map-freq-legend {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--ab-muted);
}

.ab-map-freq-gradient {
  width: 72px;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, rgb(30,90,200), rgb(60,180,120), rgb(240,220,60), rgb(240,140,40), rgb(220,50,50));
}

.ab-select-compact {
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  border-radius: 8px;
  background: var(--ab-bg);
  border: 1px solid var(--ab-border);
  color: var(--ab-text);
}

/* —— Duty —— */
.ab-duty-page h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }

.ab-duty-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ab-card-head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.ab-card-head-row h3 { margin: 0; }

.ab-card-head-actions { flex-shrink: 0; }

.ab-duty-canvas {
  width: 100%;
  height: min(300px, 40vh);
  min-height: 220px;
}

.ab-duty-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.8rem;
  margin-top: 0.5rem;
  color: var(--ab-muted);
}

.ab-swatch {
  display: inline-block;
  width: 12px;
  height: 3px;
  vertical-align: middle;
  margin-right: 0.25rem;
}

.ab-swatch--fly { background: #3dd68c; }
.ab-swatch--duty { background: #5b9fd4; }

.ab-duty-disclaimer { font-size: 0.8rem; margin-top: 1rem; }

.ab-duty-rolling-today {
  font-variant-numeric: tabular-nums;
  margin-top: 0.25rem;
}

/* —— Settings catalog lists (iOS-style rows) —— */
.ab-catalog-back { margin-bottom: 0.75rem; }

.ab-catalog-page { max-width: 720px; }

.ab-catalog-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.ab-catalog-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
}

.ab-catalog-add { flex-shrink: 0; }

.ab-catalog-card {
  background: var(--ab-bg-elevated);
  border: 1px solid var(--ab-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.ab-catalog-banner {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--ab-border);
}

.ab-catalog-banner--warning {
  background: color-mix(in srgb, #facc15 18%, transparent);
  color: var(--ab-text);
}

.ab-catalog-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ab-catalog-list li {
  border-bottom: 1px solid var(--ab-border);
}

.ab-catalog-list li:last-child { border-bottom: none; }

.ab-catalog-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.7rem 1rem;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s;
}

.ab-catalog-row:hover:not(.ab-catalog-row--static) {
  background: color-mix(in srgb, var(--ab-text) 6%, transparent);
}

.ab-catalog-row--static { cursor: default; }

.ab-catalog-row-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: color-mix(in srgb, var(--ab-text) 8%, transparent);
  color: var(--catalog-icon-color, var(--ab-muted));
}

.ab-catalog-row-icon svg {
  width: 22px;
  height: 22px;
}

.ab-catalog-row-icon--avatar {
  border-radius: 50%;
  background: color-mix(in srgb, var(--ab-accent) 22%, var(--ab-bg-card));
  color: var(--ab-accent);
  font-weight: 700;
  font-size: 0.85rem;
}

.ab-catalog-row-icon--aircraft {
  border-radius: 8px;
  background: color-mix(in srgb, var(--ab-text) 10%, transparent);
  color: var(--ab-muted);
}

.ab-catalog-row-icon--tint {
  color: #fff;
  background: var(--catalog-icon-color, var(--ab-accent));
}

.ab-catalog-row-icon--muted {
  background: color-mix(in srgb, var(--ab-text) 8%, transparent);
  color: var(--ab-muted);
}

.ab-catalog-avatar { line-height: 1; }

.ab-catalog-row-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.ab-catalog-row-title-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.ab-catalog-row-title {
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.ab-catalog-row-subtitle {
  font-size: 0.8rem;
  color: var(--ab-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ab-catalog-chip {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.ab-catalog-chip--muted {
  background: color-mix(in srgb, var(--ab-text) 12%, transparent);
  color: var(--ab-muted);
}

.ab-catalog-chip--accent {
  background: color-mix(in srgb, var(--ab-accent) 20%, transparent);
  color: var(--ab-accent);
}

.ab-catalog-chip--purple {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
}

.ab-catalog-warning {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  font-size: 0.65rem;
  font-weight: 800;
  flex-shrink: 0;
}

.ab-catalog-warning--yellow {
  background: #facc15;
  color: #422006;
}

.ab-catalog-row-trailing {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 0.25rem;
}

.ab-catalog-row-meta {
  font-size: 0.8rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ab-muted);
  white-space: nowrap;
}

.ab-catalog-row-meta--success { color: var(--ab-success); }

.ab-catalog-row-trail-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.ab-catalog-row-trail-icon--check {
  border-radius: 50%;
  background: color-mix(in srgb, var(--ab-success) 18%, transparent);
  position: relative;
}

.ab-catalog-row-trail-icon--check::after {
  content: '';
  position: absolute;
  left: 0.42rem;
  top: 0.28rem;
  width: 0.35rem;
  height: 0.6rem;
  border: solid var(--ab-success);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.ab-catalog-row-trail-icon--pending {
  border: 2px dashed color-mix(in srgb, var(--ab-muted) 55%, transparent);
  border-radius: 50%;
}

.ab-catalog-row-chevron {
  color: var(--ab-muted);
  font-size: 1.25rem;
  line-height: 1;
  opacity: 0.55;
}

.ab-catalog-empty {
  padding: 2.5rem 1.25rem;
  text-align: center;
}

.ab-catalog-empty-title {
  margin: 0.5rem 0 0;
  font-weight: 600;
}

.ab-catalog-empty-hint {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
}

.ab-catalog-footnote {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  max-width: 720px;
}

/* —— Settings split —— */
.ab-settings-split {
  display: grid;
  grid-template-columns: minmax(220px, 260px) 1fr;
  gap: 0;
  padding: 0;
  min-height: calc(100vh - 120px);
}

.ab-settings-nav {
  border-right: 1px solid var(--ab-border);
  padding: 1rem 0.75rem;
  overflow-y: auto;
}

.ab-settings-nav-title {
  margin: 0 0 0.75rem 0.5rem;
  font-size: 1.1rem;
}

.ab-settings-nav-section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ab-muted);
  padding: 0.75rem 0.5rem 0.25rem;
}

.ab-settings-nav-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.65rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--ab-text);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.ab-settings-nav-btn:hover { background: var(--ab-accent-dim); }

.ab-settings-nav-btn--sign-out {
  color: var(--ab-danger);
  margin-top: 0.5rem;
}

.ab-settings-nav-btn--sign-out:hover {
  background: color-mix(in srgb, var(--ab-danger) 12%, transparent);
  color: var(--ab-danger);
}

.ab-link--danger {
  color: var(--ab-danger);
}

.ab-link--danger:hover { color: var(--ab-danger); opacity: 0.85; }

.ab-settings-nav-btn.is-active {
  background: var(--ab-accent-dim);
  color: var(--ab-accent);
  font-weight: 600;
}

.ab-settings-content {
  padding: 1rem 1.25rem;
  overflow-y: auto;
  max-height: calc(100vh - 120px);
  min-width: 0;
}

.ab-settings-form .field { max-width: 480px; }

.ab-settings-overview h2 { margin-top: 0; }

@media (max-width: 899px) {
  .ab-logbook-split {
    grid-template-columns: 1fr;
  }
  .ab-logbook-detail-pane[hidden] { display: none; }
  .ab-settings-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ab-tab-nav { justify-content: center; margin-top: 0.5rem; }
  .ab-header .pure-u-md-1-3,
  .ab-header .pure-u-md-2-3 { width: 100%; text-align: center; }
  .ab-form-grid--flight {
    grid-template-columns: 1fr;
  }
}