/* Мобильная вёрстка первична (ТЗ, «Интерфейс»). */
:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #2563eb;
  --ok-bg: #dcfce7; --ok-ink: #166534;
  --warn-bg: #fef3c7; --warn-ink: #92400e;
  --info-bg: #dbeafe; --info-ink: #1e40af;
  --err: #b91c1c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

main { max-width: 900px; margin: 0 auto; padding: 16px; }

.topbar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  padding: 12px 16px; background: var(--ink); color: #fff;
}
.topbar .brand { font-weight: 600; color: #fff; text-decoration: none; }
.topbar nav { display: flex; gap: 14px; flex: 1; }
.topbar nav a { color: #cbd5e1; text-decoration: none; }
.topbar nav a:hover { color: #fff; }
.topbar .logout button {
  background: transparent; border: 1px solid #475569; color: #cbd5e1;
  padding: 4px 10px; border-radius: 6px; cursor: pointer;
}

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; margin-bottom: 16px;
}

h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 17px; margin: 16px 0 8px; }

.row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.row > label { display: flex; flex-direction: column; gap: 4px; flex: 1 1 140px; font-size: 13px; color: var(--muted); }
.row.checks { gap: 16px; }
label.check { flex-direction: row; align-items: center; gap: 6px; color: var(--ink); }

input, select {
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; background: #fff; color: var(--ink); width: 100%;
}
input[type="checkbox"] { width: auto; }

button {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 10px 18px; font-size: 15px; cursor: pointer;
}
button:disabled { opacity: .6; cursor: progress; }

.login-wrap { display: flex; justify-content: center; padding-top: 12vh; }
.login { width: min(360px, 100%); }
.login label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.login button { width: 100%; }

.error { color: var(--err); font-size: 14px; }
.muted { color: var(--muted); }

.status { padding: 12px; border-radius: 8px; background: var(--info-bg); color: var(--info-ink); margin-bottom: 12px; }
.status.error { background: #fee2e2; color: var(--err); }

.tabs { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.tab { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.meta { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.meta a { margin-left: 8px; color: var(--accent); }

.itinerary .price-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.price-rub { font-size: 22px; font-weight: 700; }
.price-usd { color: var(--muted); }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }

.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--line); color: var(--ink); }
.badge.ok { background: var(--ok-bg); color: var(--ok-ink); }
.badge.warn { background: var(--warn-bg); color: var(--warn-ink); }
.badge.info { background: var(--info-bg); color: var(--info-ink); }

.legs { margin: 0; padding-left: 20px; }
.legs li { margin-bottom: 8px; }
.leg-price { font-weight: 600; }
.leg-airline { color: var(--muted); }
.buy { display: inline-block; margin-left: 8px; color: var(--accent); }
.layover { font-size: 13px; color: var(--muted); padding: 2px 0 0 2px; }

.risk-line { font-size: 13px; margin: 10px 0 6px; }
.risk-low { color: var(--ok-ink); }
.risk-medium { color: var(--warn-ink); }
.risk-high { color: var(--err); }

.prep summary { cursor: pointer; color: var(--accent); font-size: 14px; }
.prep-body { font-size: 14px; padding-top: 8px; }

.save-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin: 20px 0; }
.save-row label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }

.saved-head { display: flex; align-items: center; gap: 12px; }
.saved-head h2 { flex: 1; margin: 0; }
.delete-search { background: transparent; color: var(--err); border: 1px solid var(--line); padding: 4px 10px; }

.rule { border-bottom: 1px solid var(--line); padding: 8px 0; }
.rule summary { cursor: pointer; }
.rule dl { font-size: 14px; }
.rule dt { color: var(--muted); margin-top: 8px; font-size: 13px; }
.rule dd { margin: 2px 0 0; }

footer {
  max-width: 900px; margin: 0 auto; padding: 24px 16px 40px;
  font-size: 12px; color: var(--muted);
}

@media (max-width: 600px) {
  .badges { margin-left: 0; width: 100%; }
  .topbar { gap: 8px; }
}

/* --- Автодополнение --- */
.ac-field { position: relative; }
.ac-list {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 20;
  margin: 2px 0 0; padding: 0; list-style: none; max-height: 280px; overflow-y: auto;
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 6px 20px rgba(15, 23, 42, .12);
}
.ac-item { padding: 8px 10px; cursor: pointer; font-size: 14px; }
.ac-item:hover, .ac-item.active { background: var(--info-bg); }
.ac-city { font-weight: 600; }
.ac-rest { color: var(--muted); font-size: 13px; }
.hint { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }

/* --- Подсказки ⓘ --- */
.tip {
  display: inline-block; cursor: help; color: var(--accent);
  font-size: 13px; margin-left: 2px; position: relative;
}
.tip::after {
  content: attr(data-tip);
  position: absolute; left: 0; top: 130%; z-index: 30;
  width: min(280px, 70vw); padding: 8px 10px;
  background: var(--ink); color: #fff; border-radius: 8px;
  font-size: 12px; line-height: 1.45; font-weight: 400;
  opacity: 0; visibility: hidden; transition: opacity .12s;
  pointer-events: none;
}
.tip:hover::after, .tip:focus::after { opacity: 1; visibility: visible; }

/* --- Пассажиры --- */
.pax { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 12px; }
.pax legend { font-size: 13px; color: var(--muted); padding: 0 4px; }

/* --- Итог поиска --- */
.outcome h2 { margin-top: 0; }
#outcome-summary.nothing { color: var(--warn-ink); font-weight: 600; }
.source-list, .note-list { margin: 8px 0 0; padding-left: 18px; font-size: 14px; }
.source-list li { margin-bottom: 4px; }
.src.ok { color: var(--ok-ink); }
.src.warn { color: var(--warn-ink); }
.src.bad { color: var(--err); }
.note-list { color: var(--muted); margin-top: 10px; }

/* --- Разбор по хабам --- */
.hub-breakdown { margin-top: 12px; font-size: 14px; }
.hub-breakdown summary { cursor: pointer; color: var(--accent); }
.table-scroll { overflow-x: auto; margin-top: 8px; }
.hub-breakdown table { min-width: 520px; }

.caveat { color: var(--muted); font-size: 13px; }