:root {
  color-scheme: light;
  --brand: #07589f;
  --brand-dark: #063f77;
  --brand-soft: #e8f1fa;
  --ink: #172231;
  --muted: #5a6878;
  --surface: #ffffff;
  --surface-alt: #f2f5f8;
  --canvas: #f7f9fc;
  --border: #cbd5df;
  --border-strong: #9aabbc;
  --success: #1e6d48;
  --success-soft: #e7f5ed;
  --warning: #8b5b00;
  --warning-soft: #fff4d6;
  --danger: #a1262e;
  --danger-dark: #7d1720;
  --danger-soft: #fae9eb;
  --focus: #0077cc;
  --shadow: 0 12px 35px rgb(24 49 78 / 10%);
  --radius-sm: 0.55rem;
  --radius: 0.85rem;
  --radius-lg: 1.1rem;
  --max-width: 58rem;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  font-synthesis: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, rgb(7 88 159 / 10%), transparent 28rem),
    var(--canvas);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.5;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}

.skip-link:focus {
  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;
}

.app-header {
  padding: max(0.75rem, env(safe-area-inset-top)) 1rem 0.75rem;
  background: rgb(255 255 255 / 94%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 18px rgb(24 49 78 / 6%);
  backdrop-filter: blur(14px);
}

.brand-row,
.status-strip,
.section-nav,
main {
  width: min(100%, var(--max-width));
  margin-inline: auto;
}

.brand-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 0.65rem;
  align-items: center;
}

.brand-home-link {
  display: inline-flex;
  border-radius: var(--radius-sm);
}

.brand-home-link:hover .brand-logo {
  opacity: 0.82;
}

.brand-logo {
  width: 4.7rem;
  height: auto;
  object-fit: contain;
  transition: opacity 160ms ease;
}

.brand-title {
  min-width: 0;
}

.brand-title h1,
.section-heading h2,
dialog h2 {
  margin: 0;
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.eyebrow {
  margin: 0 0 0.15rem;
  color: var(--brand-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.flag {
  width: 1.55rem;
  height: 2.1rem;
  object-fit: contain;
}

.icon-button {
  display: inline-grid;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink);
  font-size: 1.35rem;
}

.icon-button:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.status-badge {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.status-badge.is-online,
.status-badge.is-ready {
  border-color: #a6d4bb;
  background: var(--success-soft);
  color: var(--success);
}

.status-badge.is-offline,
.status-badge.is-warning {
  border-color: #e8cc83;
  background: var(--warning-soft);
  color: var(--warning);
}

.status-badge.is-error {
  border-color: #e0a9ae;
  background: var(--danger-soft);
  color: var(--danger);
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: currentColor;
}

.section-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 0.7rem 1rem;
  background: rgb(247 249 252 / 95%);
  backdrop-filter: blur(12px);
}

.section-link {
  display: flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.section-link:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.section-link:last-child {
  border-left: 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.section-link.is-active {
  border-color: var(--brand);
  background: var(--brand);
  color: white;
}

.nav-count {
  display: inline-grid;
  min-width: 1.5rem;
  height: 1.5rem;
  place-items: center;
  padding-inline: 0.3rem;
  border-radius: 999px;
  background: rgb(255 255 255 / 22%);
  font-size: 0.75rem;
}

main {
  padding: 0.7rem 1rem calc(6rem + env(safe-area-inset-bottom));
}

.view {
  scroll-margin-top: 5rem;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: flex-start;
  justify-content: space-between;
  margin: 0.9rem 0 1rem;
}

fieldset,
.history-tools,
.history-card,
.empty-state {
  margin: 0 0 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

fieldset {
  min-width: 0;
}

legend {
  padding: 0 0.55rem;
  color: var(--brand-dark);
  font-size: 0.93rem;
  font-weight: 850;
  letter-spacing: 0.025em;
}

.field-grid {
  display: grid;
  gap: 0.85rem;
}

.field {
  min-width: 0;
}

.field label,
.search-field > span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 750;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.65rem 0.75rem;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
}

textarea {
  min-height: 6rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #6b7785;
  opacity: 1;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--brand);
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--danger);
  background: #fffafb;
}

.field-hint {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.field-hint.is-warning {
  color: var(--warning);
  font-weight: 750;
}

.primary-button,
.secondary-button,
.danger-button,
.location-button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 800;
  text-decoration: none;
}

.primary-button {
  background: var(--brand-dark);
  color: white;
}

.primary-button:hover {
  background: #032f5b;
}

.secondary-button,
.location-button {
  border-color: var(--brand);
  background: var(--surface);
  color: var(--brand-dark);
}

.secondary-button:hover,
.location-button:hover {
  background: var(--brand-soft);
}

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

.danger-button:hover {
  background: var(--danger-dark);
}

.text-button {
  min-height: 2.75rem;
  padding: 0.4rem 0.55rem;
  border: 0;
  border-radius: 0.4rem;
  background: transparent;
  color: var(--brand-dark);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

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

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

.location-button {
  width: 100%;
  margin-top: 0.9rem;
}

.inline-status {
  min-height: 1.25rem;
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.calculation-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.75rem;
  align-items: baseline;
  margin-top: 0.85rem;
  padding: 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-weight: 750;
}

.calculation-row output {
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
}

.calculation-row .field-hint {
  grid-column: 1 / -1;
}

.checkbox-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.check-control {
  display: flex;
  min-height: 3rem;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.75rem;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-weight: 750;
  cursor: pointer;
}

.check-control:has(input:checked) {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.check-control input {
  width: 1.25rem;
  min-height: 1.25rem;
  margin: 0;
  accent-color: var(--brand-dark);
}

.form-actions {
  position: sticky;
  bottom: 0;
  z-index: 10;
  display: grid;
  gap: 0.55rem;
  margin: 1rem -0.25rem 0;
  padding: 0.8rem 0.25rem max(0.8rem, env(safe-area-inset-bottom));
  background: linear-gradient(transparent, var(--canvas) 18%, var(--canvas));
}

.save-status {
  min-height: 1.4rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.83rem;
  text-align: center;
}

.save-status.is-success {
  color: var(--success);
  font-weight: 750;
}

.save-status.is-error {
  color: var(--danger);
  font-weight: 750;
}

.error-summary {
  margin-bottom: 1rem;
  padding: 1rem;
  border: 2px solid var(--danger);
  border-radius: var(--radius);
  background: var(--danger-soft);
  color: var(--danger-dark);
}

.error-summary h3 {
  margin: 0 0 0.5rem;
}

.error-summary ul {
  margin: 0;
  padding-left: 1.25rem;
}

.error-summary a {
  color: inherit;
  font-weight: 750;
}

.history-heading .primary-button {
  width: 100%;
}

.history-tools {
  display: grid;
  gap: 0.75rem;
}

.history-tools p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.empty-state {
  padding: 2rem 1rem;
  text-align: center;
}

.empty-state h3 {
  margin: 0.4rem 0;
}

.empty-state p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.empty-icon {
  display: inline-grid;
  width: 3.2rem;
  height: 3.2rem;
  place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 1.5rem;
}

.history-list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.history-card {
  margin: 0;
}

.history-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.history-date {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.history-route {
  margin: 0.15rem 0 0;
  color: var(--brand-dark);
  font-size: 1.35rem;
  letter-spacing: 0.025em;
}

.pf-badge {
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 0.72rem;
  font-weight: 900;
}

.history-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin: 0.9rem 0;
}

.history-details div {
  padding: 0.55rem;
  border-radius: 0.5rem;
  background: var(--surface-alt);
}

.history-details dt {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.history-details dd {
  margin: 0.1rem 0 0;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
}

.history-crew,
.history-notes {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.history-notes {
  padding-top: 0.55rem;
  border-top: 1px solid var(--border);
  white-space: pre-wrap;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  z-index: 80;
  width: min(26rem, calc(100vw - 2rem));
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: var(--ink);
  box-shadow: 0 12px 32px rgb(0 0 0 / 25%);
  color: white;
  font-weight: 700;
}

dialog {
  width: min(92vw, 34rem);
  max-height: calc(100dvh - 2rem);
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 24px 70px rgb(12 30 50 / 30%);
  color: var(--ink);
}

dialog::backdrop {
  background: rgb(12 30 50 / 52%);
  backdrop-filter: blur(3px);
}

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

.dialog-actions {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.dialog-actions-stack {
  flex-direction: column;
}

.settings-stack {
  display: grid;
  gap: 1rem;
}

.settings-section {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.settings-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.settings-section h3 {
  margin: 0 0 0.7rem;
  color: var(--brand-dark);
}

.settings-section p {
  margin: 0.4rem 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.settings-section .field + .field,
.settings-section .field + button {
  margin-top: 0.75rem;
}

.inline-add {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
}

.crew-list {
  display: grid;
  gap: 0.35rem;
  margin: 0.75rem 0;
  padding: 0;
  list-style: none;
}

.crew-list li {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.35rem 0.4rem 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
}

.crew-list button {
  min-height: 2.3rem;
}

.button-stack {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.notice,
.export-summary {
  margin-top: 1rem;
  padding: 0.85rem;
  border: 1px solid #e2c26d;
  border-radius: var(--radius-sm);
  background: var(--warning-soft);
  color: #6b4700;
}

.export-summary {
  border-color: var(--border);
  background: var(--surface-alt);
  color: var(--ink);
}

.export-summary dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 0.75rem;
  margin: 0;
}

.export-summary dt {
  color: var(--muted);
}

.export-summary dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 750;
}

@media (min-width: 40rem) {
  .app-header {
    padding-inline: 1.5rem;
  }

  .brand-logo {
    width: 6.5rem;
  }

  .flag {
    width: 1.9rem;
    height: 2.55rem;
  }

  .section-nav {
    padding-inline: 1.5rem;
  }

  main {
    padding-inline: 1.5rem;
  }

  .section-heading {
    flex-direction: row;
    align-items: center;
  }

  .field-grid {
    grid-template-columns: 1fr 1fr;
  }

  .field-span {
    grid-column: 1 / -1;
  }

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

  .form-actions {
    grid-template-columns: minmax(10rem, 1fr) auto;
    align-items: center;
  }

  .save-status {
    grid-column: 1 / -1;
  }

  .history-heading .primary-button {
    width: auto;
  }

  .history-tools {
    grid-template-columns: minmax(15rem, 1fr) auto;
    align-items: end;
  }

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

  .dialog-actions {
    flex-direction: row;
    justify-content: flex-end;
  }

  .dialog-actions-stack {
    flex-direction: column;
  }
}

@media (min-width: 56rem) {
  .brand-row {
    gap: 1rem;
  }

  .brand-logo {
    width: 8rem;
  }

  main {
    padding-top: 1rem;
  }

  fieldset {
    padding: 1.25rem;
  }

  .approach-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@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;
  }
}

@media (forced-colors: active) {
  .status-dot {
    forced-color-adjust: none;
  }

  .section-link.is-active,
  .primary-button,
  .danger-button {
    border-color: ButtonText;
  }
}

@media print {
  .app-header,
  .section-nav,
  .form-actions,
  .history-tools,
  .card-actions {
    display: none !important;
  }

  body,
  .history-card {
    background: white;
    box-shadow: none;
  }

  main {
    width: 100%;
    padding: 0;
  }

  #history {
    display: block !important;
  }
}