:root {
  color-scheme: light;
  --bg: #faf9f7;
  --surface: #ffffff;
  --ink: #201d1b;
  --ink-2: #6b6560;
  --line: #e8e4df;
  --accent: #c22e2b;        /* Bilbao-rood */
  --accent-ink: #ffffff;
  --direct: #0f766e;
  /* sequentiële teal-ramp: goedkoop (donker) -> duur (licht) */
  --ramp-1: #134e4a;
  --ramp-2: #0f766e;
  --ramp-3: #14b8a6;
  --ramp-4: #7ce4d4;
  --ramp-5: #cdf5ee;
  --radius: 10px;
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1, h2 { margin: 0; font-weight: 700; }
.muted { color: var(--ink-2); font-weight: 400; }

/* ---------- header ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar-inner {
  max-width: 860px; margin: 0 auto; padding: 20px 16px 0;
  display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; justify-content: space-between;
}
.topbar h1 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; }
.topbar .sub { margin: 2px 0 12px; color: var(--ink-2); font-size: 0.9rem; }

.direction-tabs { display: flex; gap: 4px; }
.direction-tabs .tab {
  appearance: none; border: none; background: none; cursor: pointer;
  font: inherit; font-weight: 600; color: var(--ink-2);
  padding: 10px 14px 12px; border-bottom: 3px solid transparent;
}
.direction-tabs .tab .tab-detail { font-weight: 400; color: var(--ink-2); font-size: 0.85em; }
.direction-tabs .tab.active { color: var(--ink); border-bottom-color: var(--accent); }

main { max-width: 860px; margin: 0 auto; padding: 16px; }

/* ---------- origin chips ---------- */
.origins { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  appearance: none; cursor: pointer; font: inherit;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  border-radius: 999px; padding: 7px 14px; font-weight: 500;
}
.chip small { color: var(--ink-2); font-weight: 600; margin-left: 4px; }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip.active small { color: #cfcac5; }

/* ---------- deals ---------- */
.deals { margin-bottom: 16px; }
.deals h2 { font-size: 1rem; margin-bottom: 8px; }
.deal-cards { display: flex; flex-wrap: wrap; gap: 8px; }
.deal-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 14px; cursor: pointer; min-width: 150px;
}
.deal-card:hover { border-color: var(--ink-2); }
.deal-card .deal-label { font-size: 0.75rem; color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; }
.deal-card .deal-price { font-size: 1.25rem; font-weight: 700; }
.deal-card .deal-date { font-size: 0.85rem; color: var(--ink-2); }

/* ---------- kalender ---------- */
.calendar-wrap {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 14px 10px; margin-bottom: 16px;
}
.calendar-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.calendar-head h2 { font-size: 1.1rem; text-transform: capitalize; }
.nav-btn {
  appearance: none; cursor: pointer; font-size: 1.3rem; line-height: 1;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  border-radius: 8px; width: 36px; height: 36px;
}
.nav-btn:disabled { opacity: 0.3; cursor: default; }

.calendar-legend {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 0.78rem; color: var(--ink-2); margin-bottom: 10px;
}
.legend-ramp {
  width: 72px; height: 10px; border-radius: 5px;
  background: linear-gradient(to right, var(--ramp-1), var(--ramp-3), var(--ramp-5));
}
.legend-sep { width: 1px; height: 14px; background: var(--line); }
.direct-dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--direct); vertical-align: middle;
}

.weekdays, .calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.weekdays span { text-align: center; font-size: 0.72rem; color: var(--ink-2); font-weight: 600; padding-bottom: 4px; }

.day-cell {
  position: relative; border-radius: 8px; border: 1px solid transparent;
  min-height: 58px; padding: 5px 4px 4px; text-align: center;
  background: var(--bg); cursor: default;
}
.day-cell .dnum { font-size: 0.72rem; color: var(--ink-2); font-weight: 600; }
.day-cell .dprice { font-size: 0.82rem; font-weight: 700; margin-top: 2px; }
.day-cell .ddot { position: absolute; left: 50%; transform: translateX(-50%); bottom: 4px; width: 6px; height: 6px; border-radius: 50%; background: var(--direct); }
.day-cell.has-price { cursor: pointer; }
.day-cell.has-price:hover { border-color: var(--ink); }
.day-cell.selected { outline: 2px solid var(--accent); outline-offset: -1px; }
.day-cell.past, .day-cell.empty { background: transparent; }
.day-cell.past .dnum { color: #c9c4bf; }
.day-cell.no-flight .dprice { color: #c9c4bf; font-weight: 500; }
.day-cell.loading .dprice { color: var(--ink-2); font-weight: 400; }
/* prijsklassen: tekstkleur per stap zodat het leesbaar blijft */
.day-cell.p1 { background: var(--ramp-1); } .day-cell.p1 .dprice, .day-cell.p1 .dnum { color: #fff; }
.day-cell.p2 { background: var(--ramp-2); } .day-cell.p2 .dprice, .day-cell.p2 .dnum { color: #fff; }
.day-cell.p3 { background: var(--ramp-3); } .day-cell.p3 .dprice, .day-cell.p3 .dnum { color: #063f38; }
.day-cell.p4 { background: var(--ramp-4); } .day-cell.p4 .dprice, .day-cell.p4 .dnum { color: #063f38; }
.day-cell.p5 { background: var(--ramp-5); } .day-cell.p5 .dprice, .day-cell.p5 .dnum { color: #0b4f47; }
.day-cell.p1 .ddot, .day-cell.p2 .ddot { background: #99f6e4; }

.calendar-note { font-size: 0.78rem; color: var(--ink-2); margin: 10px 2px 2px; }

/* retour-modus in de kalender */
.day-cell.disabled { opacity: 0.35; pointer-events: none; }
.day-cell.retour-a { outline: 2px dashed var(--accent); outline-offset: -1px; }

/* ---------- retourplanner ---------- */
.retour-panel .day-panel-head h2 { text-transform: none; }
.retour-steps { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 12px; }
.step-chip {
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px;
  font-size: 0.85rem; background: var(--bg); color: var(--ink-2);
}
.step-chip strong { color: var(--ink); font-weight: 700; }
.step-chip.active { border-color: var(--accent); background: #fdf1f0; color: var(--accent); }
.step-chip.active strong { color: var(--accent); }
.retour-total { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; margin: 2px 0 12px; }
.retour-total .amount { font-size: 1.6rem; font-weight: 800; }
.retour-total .muted { font-size: 0.85rem; }
.retour-legs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.retour-leg h3 { margin: 0 0 8px; font-size: 0.9rem; }
.retour-leg h3 .muted { font-size: 0.8rem; font-weight: 500; }
.retour-leg .flight-card { margin-bottom: 8px; }
.deal-card.deal-loading { color: var(--ink-2); font-size: 0.85rem; cursor: default; display: flex; align-items: center; }
@media (max-width: 640px) { .retour-legs { grid-template-columns: 1fr; } }

/* ---------- dagpaneel ---------- */
.day-panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px;
}
.day-panel-head { display: flex; justify-content: space-between; align-items: flex-start; }
.day-panel-head h2 { font-size: 1.1rem; text-transform: capitalize; }
.close-btn {
  appearance: none; border: none; background: none; cursor: pointer;
  font-size: 1.6rem; line-height: 1; color: var(--ink-2); padding: 0 4px;
}
.day-filters { display: flex; flex-wrap: wrap; gap: 16px; margin: 10px 0 12px; }
.toggle { display: flex; align-items: center; gap: 6px; font-size: 0.88rem; cursor: pointer; }
.toggle input { accent-color: var(--accent); width: 16px; height: 16px; }

.book-links { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.book-btn {
  display: inline-block; text-decoration: none; font-weight: 600; font-size: 0.88rem;
  border-radius: 8px; padding: 8px 14px;
}
.book-btn.primary { background: var(--accent); color: var(--accent-ink); }
.book-btn.secondary { border: 1px solid var(--line); color: var(--ink); background: var(--surface); }
.book-btn.secondary:hover { border-color: var(--ink-2); }

.flight-list { display: flex; flex-direction: column; gap: 8px; }
.flight-card {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px;
}
.flight-times { font-weight: 700; font-size: 1.02rem; }
.flight-meta { font-size: 0.82rem; color: var(--ink-2); }
.flight-price { font-weight: 800; font-size: 1.1rem; text-align: right; }
.flight-price small { display: block; font-weight: 500; color: var(--ink-2); font-size: 0.72rem; }
.pill {
  display: inline-block; font-size: 0.72rem; font-weight: 700; border-radius: 999px;
  padding: 2px 9px; vertical-align: middle;
}
.pill.direct { background: #d9f2ee; color: #0b5d55; }
.pill.stops { background: #f3efe9; color: #6b6560; }
.pill.slow { background: #fbe9e7; color: #a33025; }
.flight-empty { color: var(--ink-2); font-size: 0.9rem; padding: 8px 2px; }

/* ---------- setup & status ---------- */
.setup-card {
  background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px;
}
.setup-card h2 { font-size: 1.05rem; margin-bottom: 6px; }
.setup-card ol { margin: 10px 0 0; padding-left: 20px; }
.setup-card li { margin-bottom: 4px; }

.state-msg {
  background: #fff7f0; border: 1px solid #f0dcc8; border-radius: var(--radius);
  padding: 12px 16px; font-size: 0.9rem; margin-bottom: 16px;
}

.statusbar {
  max-width: 860px; margin: 0 auto; padding: 4px 16px 28px;
  font-size: 0.76rem; color: var(--ink-2);
}

@media (max-width: 560px) {
  .day-cell { min-height: 50px; }
  .day-cell .dprice { font-size: 0.72rem; }
  .topbar-inner { padding-top: 14px; }
}