/* Mobile-first, plain CSS. No framework, no build step. */

:root {
  --bg: #fbfaf7;
  --fg: #1d1c1a;
  --muted: #5f5b53;
  --line: #e4e0d8;
  --accent: #b4381f;
  --accent-fg: #ffffff;
  --danger: #b3261e;
  --surface: #ffffff;
  --radius: 10px;
  --gap: 16px;
  --tap: 44px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --fg: #eeebe4;
    --muted: #a9a398;
    --line: #34312c;
    --accent: #ef7a5f;
    --accent-fg: #171614;
    --danger: #f2877f;
    --surface: #211f1c;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--accent);
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: var(--gap);
  top: var(--gap);
  background: var(--surface);
  padding: 8px 12px;
  z-index: 10;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: 0 var(--gap);
  border-bottom: 1px solid var(--line);
  min-height: 56px;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--fg);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}
.nav > a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  padding: 0 4px;
}

.lang {
  display: flex;
  gap: 4px;
  font-size: 0.9rem;
}
.lang a,
.lang span {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  padding: 0 8px;
}
.lang span {
  color: var(--muted);
}

main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--gap);
}

h1 {
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 8px 0 12px;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--gap);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}
.site-footer p {
  max-width: 720px;
  margin: 0 auto;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 var(--gap);
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
}

h2 {
  font-size: 1.15rem;
  margin: 0;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.stack > * {
  margin: 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--gap);
}
.card.danger {
  border-color: var(--danger);
}

label {
  font-weight: 600;
}
label.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  min-height: var(--tap);
}

input:not([type="checkbox"]),
select {
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  min-height: var(--tap);
  width: 100%;
}
input[type="checkbox"] {
  width: 20px;
  height: 20px;
}
input[aria-invalid="true"] {
  border-color: var(--danger);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 0 20px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.button.secondary {
  background: transparent;
  color: var(--accent);
  align-self: flex-start;
}
.button.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
  align-self: flex-start;
}

.error {
  color: var(--danger);
}
.notice {
  background: var(--surface);
  border-left: 4px solid var(--accent);
  padding: 8px 12px;
}

@media (min-width: 720px) {
  h1 {
    font-size: 2rem;
  }
}

/* Forms (TB-020) */
textarea {
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
  resize: vertical;
}
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--danger);
}
fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}
legend {
  font-weight: 600;
  padding: 0;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.field > p {
  margin: 0;
}
.row {
  display: grid;
  gap: 12px;
}
.small {
  font-size: 0.875rem;
}
.error-box {
  border-left-color: var(--danger);
}
.error-box p {
  margin: 0;
}

/* Search and trips (TB-020) */
.hero {
  margin-bottom: var(--gap);
}
.hero > * {
  margin: 0;
}
.search {
  display: grid;
  gap: 12px;
  margin-bottom: var(--gap);
}
.search .button {
  align-self: end;
}
.results h2 {
  margin-top: 8px;
}
.trip-card > * {
  margin: 0 0 4px;
}
.trip-card h2 a {
  color: var(--fg);
  text-decoration: none;
}
.trip-card h2 a:hover {
  text-decoration: underline;
}
.traveller .muted {
  font-size: 0.9rem;
}
.pager {
  display: flex;
  justify-content: space-between;
  gap: var(--gap);
}
.pager a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
}
.pager a[rel="next"] {
  margin-left: auto;
}
.lead {
  font-size: 1.1rem;
  margin: 0;
}
.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 16px;
  margin: 0;
}
.facts dt {
  font-weight: 600;
}
.facts dd {
  margin: 0;
}
.note {
  white-space: pre-line;
}

@media (min-width: 560px) {
  .row {
    grid-template-columns: 1fr 1fr;
  }
  .search {
    grid-template-columns: 2fr 1fr 1fr;
  }
  .search .button {
    grid-column: 1 / -1;
    justify-self: start;
  }
}

.table-scroll {
  overflow-x: auto;
}
.gate-green {
  background: #d9f2df;
  color: #14532d;
  font-weight: 600;
}
.gate-red {
  background: #fbdcdc;
  color: #7f1d1d;
  font-weight: 600;
}
.gate-none {
  color: #6b7280;
}

/* Tap targets (TB-051): standalone links get a >= 44px hit area; links inside running prose are exempt. */
.trip-card h2 a,
.request-card h2 a,
.link-line > a,
.link-list li > a,
a[href^="/reports/new"],
.traveller a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
}
.link-list {
  padding-left: 0;
  list-style: none;
  margin: 0;
}
.link-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0.25em;
  min-height: var(--tap);
}
.traveller {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0.25em;
}
.poster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0.4em;
}
.poster a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
}