/* Metro do Porto — planeador de viagens, mobile-first */
:root {
  --ink: #1c1c1e;
  --muted: #6b6b70;
  --bg: #f4f4f6;
  --card: #ffffff;
  --line: #e3e3e8;
  --accent: #1c1c1e;
  --ok: #0a7a3d;
  --warn-bg: #fff4d6;
  --warn-ink: #7a5c00;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

main, .app-header, .app-footer {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Cabeçalho */
.app-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-top: 20px;
  padding-bottom: 12px;
}
.logo-badge {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-header h1 { font-size: 17px; margin: 0; white-space: nowrap; }
.date-line {
  flex-basis: 100%;
  margin: 0;
  padding-left: 56px;
  color: var(--muted);
  font-size: 14px;
}
.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
}
.header-link {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  white-space: nowrap;
}

/* Alternador de idioma PT|EN */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.lang-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .02em;
  padding: 6px 10px;
  min-height: 34px;
  cursor: pointer;
}
.lang-btn.active { background: var(--accent); color: var(--card); cursor: default; }

/* Etiqueta "beta" */
.beta-tag {
  display: inline-block;
  vertical-align: middle;
  margin-left: 4px;
  padding: 1px 7px;
  border-radius: 999px;
  background: #d59b00;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.bus-beta-note {
  margin: 10px 0 0;
  padding: 10px 12px;
  border: 1px solid rgba(122, 92, 0, .28);
  border-left: 5px solid #d59b00;
  border-radius: 12px;
  background: var(--warn-bg);
  color: var(--warn-ink);
  font-size: 14px;
  line-height: 1.4;
}
.bus-beta-note .beta-tag { margin: 0 6px 0 0; }

/* Banner de consentimento de cookies */
.consent-banner {
  position: fixed;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 24px);
  max-width: 560px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 16px;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .22);
  font-size: 14px;
  line-height: 1.4;
}
.consent-text { margin: 0; flex: 1 1 240px; }
.consent-actions { display: flex; gap: 8px; margin-left: auto; }
.consent-btn {
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--line);
}
.consent-reject { background: transparent; color: var(--ink); }
.consent-reject:active { background: var(--bg); }
.consent-accept { background: var(--accent); color: var(--card); border-color: var(--accent); }

/* Data da viagem */
.date-card { padding: 12px 16px; }
.date-card > label {
  font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em;
}
.date-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-top: 6px; }
.date-row input[type="date"] {
  flex: 1 1 160px;
  min-height: 44px;
  font-size: 17px;
  font-weight: 700;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  padding: 8px 10px;
  font-family: inherit;
}
.daytype-chip {
  flex: 0 1 auto;
  max-width: 100%;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--line);
  font-size: 13px;
  font-weight: 700;
}
.daytype-chip.holiday { background: var(--warn-bg); color: var(--warn-ink); }

/* Separador de modos */
.mode-tabs {
  display: flex;
  background: var(--line);
  border-radius: 12px;
  padding: 3px;
  margin-bottom: 14px;
}
.mode-tab {
  flex: 1;
  min-height: 40px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
a.mode-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.mode-tab.active { background: var(--card); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.12); }

/* Cartões */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 14px;
}

/* Pesquisa (modo planear) */
#mode-plan { display: grid; grid-template-columns: 1fr auto; gap: 8px 10px; align-items: end; }
.search-row { display: flex; flex-direction: column; gap: 4px; }
.search-row label, .field-label, .select-row label {
  font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em;
}
.field-label { margin: 0 0 8px; }
.search-box { position: relative; }
.search-box input {
  width: 100%;
  min-height: 44px;
  font-size: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  padding: 8px 36px 8px 10px;
}
.clear-btn {
  position: absolute;
  right: 4px; top: 50%;
  transform: translateY(-50%);
  width: 30px; height: 30px;
  border: none; border-radius: 50%;
  background: var(--line);
  color: var(--muted);
  font-size: 16px;
  cursor: pointer;
}
.suggestions {
  position: absolute;
  z-index: 20;
  left: 0; right: 0; top: calc(100% + 4px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,.14);
  overflow: hidden;
}
.suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 12px;
  cursor: pointer;
}
.suggestion:hover { background: var(--bg); }
.suggestion + .suggestion { border-top: 1px solid var(--line); }
.sug-name { font-size: 15px; }
.sug-lines { display: inline-flex; gap: 4px; flex: none; }

.swap-btn {
  grid-row: 1 / 3;
  grid-column: 2;
  align-self: center;
  width: 44px; height: 44px;
  font-size: 20px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}
.swap-btn:active { background: var(--bg); }

/* Modo por linha */
.line-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.line-chip {
  --line-color: #888;
  border: 2px solid var(--line-color);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.line-chip.active { background: var(--line-color); color: #fff; }
.line-chip.demo-line::after {
  content: "temp.";
  margin-left: 6px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .03em;
  opacity: .82;
}
.line-chip.estimated-line::after {
  content: "est.";
  margin-left: 6px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .03em;
  opacity: .82;
}
.line-selects { display: grid; gap: 10px; }
.select-row { display: flex; flex-direction: column; gap: 4px; }
select {
  width: 100%;
  min-height: 44px;
  font-size: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  padding: 8px 10px;
}

/* Distintivos de linha */
.line-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  flex: none;
}

/* Resultado: viagem */
.journey.next-card { border-left: 5px solid var(--accent); }
.journey-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.journey-times { font-size: 30px; font-weight: 800; margin: 0; font-variant-numeric: tabular-nums; }
.journey-meta { margin: 0; color: var(--muted); font-size: 14px; }
.next-wait { font-size: 17px; color: var(--ok); font-weight: 600; margin: 6px 0 2px; }
.next-wait.now { color: #c2261b; }

.leg { display: flex; gap: 10px; align-items: flex-start; margin-top: 10px; }
.leg-text { min-width: 0; }
.leg-route { margin: 0; font-size: 15px; font-weight: 600; }
.leg-times { margin: 2px 0 0; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.transfer-row { margin: 10px 0 0; padding-left: 4px; color: var(--muted); font-size: 14px; }

.price-row {
  margin: 12px 0 0;
  padding: 11px 12px;
  border-top: 1px dashed var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--warn-bg) 44%, transparent);
  font-size: 14px;
}
.price-row p { margin: 0; }
.price-main {
  font-weight: 800;
  color: var(--ink);
}
.price-note {
  margin-top: 3px !important;
  color: var(--warn-ink);
  line-height: 1.35;
}
.muted { color: var(--muted); }

/* Partilhar viagem */
.share-row { margin: 12px 0 0; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.share-btn:active { background: var(--bg); }
.share-btn.copied { color: var(--ok); border-color: var(--ok); }

.badge {
  display: inline-block;
  vertical-align: middle;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: var(--ink);
  color: #fff;
}
.badge.bx { background: #b3161b; }
.badge.demo { background: var(--warn-bg); color: var(--warn-ink); margin: 10px 0 0; }
.badge.estimated { background: var(--warn-bg); color: var(--warn-ink); margin: 10px 0 0; }

/* Lista de opções seguintes */
.list-title { font-size: 13px; color: var(--muted); margin: 0 0 6px; text-transform: uppercase; letter-spacing: .04em; }
.dep-list { list-style: none; margin: 0; padding: 0; }
.dep-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 2px;
  border-top: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
.dep-list li:first-child { border-top: none; }
.dep-time { font-size: 16px; font-weight: 700; }
.dep-arr { color: var(--muted); font-size: 14px; margin-left: auto; }

/* Mensagens e avisos */
.state-msg p { margin: 6px 0; }
.banner { border-radius: 12px; padding: 10px 14px; margin-bottom: 14px; font-size: 14px; }
.banner.warn { background: var(--warn-bg); color: var(--warn-ink); }
.hidden,
.card.hidden,
#mode-plan.hidden,
#mode-line.hidden,
[hidden] {
  display: none !important;
}

.fare-warning {
  margin: 10px 0 14px;
  padding: 12px 14px;
  border: 1px solid rgba(122, 92, 0, .28);
  border-left: 5px solid #d59b00;
  border-radius: 14px;
  background: var(--warn-bg);
  color: var(--warn-ink);
  font-size: 14px;
  line-height: 1.35;
}
.fare-warning strong {
  display: block;
  color: inherit;
  font-size: 15px;
  margin-bottom: 2px;
}

/* Autocarros */
.bus-page main,
.bus-page .app-header,
.bus-page .app-footer {
  max-width: 720px;
}

.page-tabs {
  max-width: 520px;
}

.bus-hero {
  margin: 4px 0 16px;
}

.bus-kicker {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.bus-hero h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.05;
}

.bus-hero p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
}

.bus-layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.bus-sidebar {
  min-width: 0;
}

.bus-controls {
  display: grid;
  gap: 12px;
}

.bus-list-card {
  padding: 0;
  overflow: hidden;
}

.bus-list-head {
  padding: 13px 14px 8px;
  border-bottom: 1px solid var(--line);
}

.bus-lines {
  max-height: 68vh;
  overflow: auto;
}

.bus-line {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.bus-line:hover,
.bus-line.active {
  background: var(--bg);
}

.bus-line.active {
  box-shadow: inset 4px 0 0 var(--accent);
}

.bus-line-code {
  flex: none;
  min-width: 52px;
  border-radius: 7px;
  background: var(--accent);
  color: var(--card);
  padding: 5px 8px;
  font-size: 14px;
  font-weight: 900;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.bus-line-text {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.bus-line-name {
  font-size: 14px;
  font-weight: 800;
  line-height: 1.3;
}

.bus-line-municipality {
  color: var(--muted);
  font-size: 13px;
}

.bus-empty {
  margin: 0;
  padding: 14px;
}

.bus-viewer {
  min-width: 0;
}

.bus-viewer-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.bus-viewer h2 {
  margin: 4px 0 0;
  font-size: 20px;
  line-height: 1.2;
}

.bus-actions {
  display: flex;
  gap: 8px;
  flex: none;
}

.bus-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  padding: 0 13px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.bus-action.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--card);
}

.bus-pdf {
  display: block;
  width: 100%;
  height: 72vh;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
}

.bus-source {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.bus-source a {
  color: var(--ink);
  font-weight: 800;
}

.bus-plan-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 10px;
  align-items: end;
}

.bus-sug-lines {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
  max-width: 160px;
}

.bus-mini-code {
  border-radius: 6px;
  background: var(--line);
  color: var(--ink);
  padding: 2px 5px;
  font-size: 11px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.bus-journey .journey-head {
  margin-bottom: 10px;
}

.bus-result-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.bus-result-text {
  min-width: 0;
}

.bus-result-name {
  margin: 0;
  font-size: 15px;
  font-weight: 850;
}

.bus-result-text .muted {
  margin: 2px 0 0;
  font-size: 13px;
}

.bus-route-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.bus-compact-journey {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.bus-compact-journey .bus-line-code {
  min-width: 48px;
}

.bus-compact-name {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Rodapé */
.app-footer { padding-top: 6px; padding-bottom: 32px; color: var(--muted); font-size: 13px; }
.app-footer p { margin: 4px 0; overflow-wrap: anywhere; }
.app-footer a { color: var(--ink); font-weight: 700; }
.independent-line {
  margin-top: 10px !important;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

code { background: var(--line); padding: 1px 5px; border-radius: 5px; font-size: .9em; }

/* Desktop: duas colunas leves para a pesquisa */
@media (min-width: 720px) {
  main, .app-header, .app-footer { max-width: 640px; }
}

@media (max-width: 899px) {
  .bus-layout {
    grid-template-columns: 1fr;
  }
  .bus-lines {
    max-height: none;
  }
  .bus-viewer-head {
    flex-direction: column;
  }
  .bus-actions {
    width: 100%;
  }
  .bus-action {
    flex: 1;
  }
  .bus-pdf {
    height: 66vh;
    min-height: 430px;
  }
}

@media (max-width: 520px) {
  .bus-page .app-header {
    align-items: flex-start;
  }
  .header-link {
    margin-top: 4px;
  }
  .bus-hero h2 {
    font-size: 28px;
  }
  .bus-plan-card {
    grid-template-columns: 1fr auto;
  }
  .bus-compact-journey {
    grid-template-columns: auto 1fr auto;
  }
  .bus-compact-name {
    grid-column: 2 / 4;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f2f4;
    --muted: #9d9da4;
    --bg: #121214;
    --card: #1d1d20;
    --line: #323236;
    --accent: #f2f2f4;
    --ok: #4cc97a;
    --warn-bg: #3a3110;
    --warn-ink: #ecd57c;
  }
  .logo-badge { background: #fff; color: #121214; }
  .journey.next-card { border-left-color: #fff; }
  .badge { background: #f2f2f4; color: #121214; }
  .badge.bx { background: #e2453a; color: #fff; }
}