/* ============================================================
 * 出行协助 · 国际机票比价   flights.css
 * ------------------------------------------------------------
 * 仅被 flights.html / tours.html / car.html 引用（页面级样式表）。
 * 颜色一律取自 public/css/ui.css 的设计令牌（--brand / --gold / --ink…），
 * 不新增颜色常量；布局全部用类名 + 媒体查询，禁止内联样式写网格。
 * ============================================================ */

/* ---------------- 概览统计条 ---------------- */
.fl-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.fl-stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.fl-stat span { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.fl-stat b { font-size: 20px; color: var(--brand); font-weight: 700; letter-spacing: .2px; }

/* ---------------- 推荐三卡 ---------------- */
.fl-recs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.fl-rec {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.fl-rec:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--gold); }
.fl-rec--cheapest { border-top: 3px solid var(--gold); }
.fl-rec--fastest  { border-top: 3px solid var(--brand-400); }
.fl-rec--value    { border-top: 3px solid var(--ok); }

.fl-rec__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.fl-rec__badge {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--gold-100);
  color: var(--gold-600);
  border: 1px solid rgba(200, 164, 93, .35);
}
.fl-rec--fastest .fl-rec__badge { background: var(--brand-100); color: var(--brand-600); border-color: var(--line-blue); }
.fl-rec--value .fl-rec__badge { background: #eaf5eb; color: var(--ok); border-color: rgba(46, 125, 50, .25); }
.fl-rec__hint { font-size: 12px; color: var(--muted); }

.fl-rec__air { display: flex; align-items: center; gap: 10px; }
.fl-logo {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .3px;
}
.fl-rec__name b { display: block; font-size: 15px; color: var(--brand); font-weight: 700; line-height: 1.3; }
.fl-rec__name small { display: block; font-size: 12.5px; color: var(--muted); }

.fl-rec__path { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; }
.fl-rec__t { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); line-height: 1.4; }
.fl-rec__t b { font-size: 21px; color: var(--ink); font-weight: 700; }
.fl-rec__t--r { text-align: right; align-items: flex-end; }
.fl-rec__leg { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.fl-rec__leg em { font-size: 12px; color: var(--ink-2); font-style: normal; white-space: nowrap; }
.fl-rec__leg i { display: block; width: 100%; height: 1px; background: var(--line-blue); }
.fl-rec__leg i:first-child { background: transparent; }

.fl-rec__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); }
.fl-rec__meta > span:first-child { display: inline-flex; align-items: center; gap: 4px; }
.fl-rec__meta .bi { color: var(--brand-300); }

.fl-rec__foot {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.fl-rec__price { font-size: 26px; font-weight: 700; color: var(--gold-600); letter-spacing: .5px; }
.fl-rec__price small { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 6px; }
.fl-rec__why { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.fl-rec__also {
  display: block;
  font-size: 12px;
  color: var(--brand-600);
  background: var(--brand-050);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
}

/* ---------------- 工具条 ---------------- */
.fl-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.fl-tool { display: flex; align-items: center; gap: 10px; }
.fl-tool--air { flex: 1 1 100%; align-items: flex-start; }
.fl-tool--reset { margin-left: auto; }
.fl-tool__label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}
.fl-tool__label .bi { color: var(--brand-300); }

.fl-seg { display: inline-flex; border: 1px solid var(--line-blue); border-radius: var(--radius-sm); overflow: hidden; }
.fl-seg__b {
  border: 0;
  background: var(--card);
  color: var(--ink-2);
  font-size: 13px;
  padding: 6px 14px;
  cursor: pointer;
  border-right: 1px solid var(--line-blue);
  transition: background .16s ease, color .16s ease;
}
.fl-seg__b:last-child { border-right: 0; }
.fl-seg__b:hover { background: var(--brand-050); color: var(--brand-600); }
.fl-seg__b.is-on { background: var(--brand); color: #fff; }
/* 分段按钮上的数量角标（如「直飞 1」「转机 29」） */
.fl-seg__n {
  display: inline-block;
  margin-left: 5px;
  padding: 0 5px;
  border-radius: 8px;
  background: var(--brand-050);
  color: var(--brand-600);
  font-size: 11px;
  line-height: 16px;
  vertical-align: 1px;
}
.fl-seg__b.is-on .fl-seg__n { background: rgba(255, 255, 255, .22); color: #fff; }

.fl-select { min-width: 158px; width: auto; font-size: 13px; }

.fl-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.fl-chip {
  border: 1px solid var(--line-blue);
  background: var(--card);
  color: var(--ink-2);
  font-size: 13px;
  padding: 5px 13px;
  border-radius: 20px;
  cursor: pointer;
  transition: all .16s ease;
}
.fl-chip:hover { border-color: var(--brand-300); color: var(--brand-600); background: var(--brand-050); }
.fl-chip.is-on { background: var(--brand); border-color: var(--brand); color: #fff; }
.fl-chip--other { border-style: dashed; }

/* ---------------- 结果计数 ---------------- */
.fl-countbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--muted);
}
.fl-countbar b { color: var(--brand); font-size: 15px; }

/* ---------------- 列表 ---------------- */
.fl-list { display: flex; flex-direction: column; gap: 10px; }
.fl-row {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr) 150px 132px 104px;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 16px;
  box-shadow: var(--shadow-sm);
  transition: border-color .16s ease, box-shadow .16s ease;
}
.fl-row:hover { border-color: var(--brand-300); box-shadow: var(--shadow); }

.fl-row__air { display: flex; align-items: center; gap: 10px; min-width: 0; }
.fl-row__air .fl-logo { width: 34px; height: 34px; border-radius: 8px; font-size: 12px; }
.fl-row__air b { display: block; font-size: 14px; color: var(--brand); font-weight: 700; line-height: 1.3; }
.fl-row__air small { display: block; font-size: 12px; color: var(--muted); }

.fl-row__path { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; min-width: 0; }
.fl-node { display: flex; flex-direction: column; line-height: 1.35; }
.fl-node b { font-size: 17px; color: var(--ink); font-weight: 700; }
.fl-node span { font-size: 12px; color: var(--muted); white-space: nowrap; }
.fl-node--r { align-items: flex-end; text-align: right; }

.fl-leg { display: flex; flex-direction: column; align-items: center; gap: 2px; min-width: 0; }
.fl-leg__dur { font-size: 12px; color: var(--ink-2); white-space: nowrap; }
.fl-leg__line { display: block; width: 100%; height: 1px; background: var(--line-blue); position: relative; }
.fl-leg__line i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  background: var(--brand-300);
}
.fl-leg__stop { font-size: 11.5px; color: var(--muted); white-space: nowrap; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }

.fl-row__tags { display: flex; flex-wrap: wrap; gap: 5px; }
.fl-tag {
  display: inline-block;
  font-size: 11.5px;
  line-height: 1.6;
  padding: 1px 8px;
  border-radius: 12px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.fl-tag--direct { background: var(--brand-100); color: var(--brand-600); border-color: var(--line-blue); }
.fl-tag--stop   { background: var(--bg); color: var(--muted); border-color: var(--line); }
.fl-tag--low    { background: var(--gold-100); color: var(--gold-600); border-color: rgba(200, 164, 93, .4); }
.fl-tag--fast   { background: #eaf5eb; color: var(--ok); border-color: rgba(46, 125, 50, .25); }
.fl-tag--live   { background: #eef7f0; color: var(--ok); border-color: rgba(46, 125, 50, .22); }
.fl-tag--ref    { background: #fdf3e7; color: var(--warn); border-color: rgba(180, 83, 9, .24); }

.fl-row__price { text-align: right; }
.fl-row__price b { display: block; font-size: 20px; font-weight: 700; color: var(--gold-600); letter-spacing: .3px; }
.fl-row__price small { font-size: 11.5px; color: var(--muted); white-space: nowrap; }

.fl-row__act { text-align: right; }
.fl-row__site { white-space: nowrap; }

.fl-plus { font-size: 11px; color: var(--warn); margin-left: 1px; vertical-align: super; }

/* ---------------- 数据说明 ---------------- */
.fl-note {
  background: var(--brand-050);
  border: 1px dashed var(--line-blue);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-2);
}
.fl-note h3 { font-size: 14px; color: var(--brand); font-weight: 700; margin: 0 0 6px; display: flex; align-items: center; gap: 6px; }
.fl-note ol { margin: 0; padding-left: 20px; }
.fl-note li { margin-bottom: 3px; }

/* ---------------- 内嵌精简版（tours.html / car.html） ---------------- */
.fl-widget { display: flex; flex-direction: column; gap: 14px; }
.fl-widget__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.fl-widget__bar b { color: var(--brand); }
.fl-widget__cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.fl-widget__cards .fl-rec { padding: 16px; }
.fl-widget__cards .fl-rec__t b { font-size: 19px; }
.fl-widget__cards .fl-rec__price { font-size: 23px; }
.fl-widget__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1100px) {
  .fl-row { grid-template-columns: 150px minmax(0, 1fr) 132px 104px; }
  .fl-row__tags { grid-column: 2 / -1; }
}
@media (max-width: 900px) {
  .fl-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fl-recs, .fl-widget__cards { grid-template-columns: 1fr; }
  .fl-tool--reset { margin-left: 0; }
  .fl-row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "air price"
      "path path"
      "tags act";
    gap: 10px 12px;
  }
  .fl-row__air { grid-area: air; }
  .fl-row__path { grid-area: path; }
  .fl-row__tags { grid-area: tags; grid-column: auto; }
  .fl-row__price { grid-area: price; }
  .fl-row__act { grid-area: act; }
}
@media (max-width: 600px) {
  .fl-rec__t b { font-size: 19px; }
  .fl-rec__price { font-size: 23px; }
  .fl-tool--air { flex-direction: column; align-items: stretch; gap: 8px; }
  .fl-node b { font-size: 15.5px; }
  .fl-row__price b { font-size: 18px; }
  .fl-stats { gap: 10px; }
  .fl-stat { padding: 12px; }
  .fl-stat b { font-size: 17px; }
}

/* ---------- Hero 免责声明（合规） ---------- */
.fl-disclaimer {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}
.fl-disclaimer i { color: rgba(255, 255, 255, 0.9); }

/* ---------- 实时查询面板（单程/往返 + 日历 + 机场） ---------- */
.fl-search {
  background: #fff;
  border: 1px solid var(--line, #e5e0d5);
  border-radius: 14px;
  padding: 18px 18px 12px;
  margin-bottom: 22px;
  box-shadow: 0 2px 10px rgba(30, 40, 60, 0.05);
}
.fl-search__row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: flex-end;
}
.fl-search .fl-tool { display: flex; flex-direction: column; gap: 6px; }
.fl-search .fl-tool__label { font-size: 13px; color: var(--muted, #6b7280); }
.fl-search .fl-date { min-width: 148px; }
.fl-search .fl-select { min-width: 150px; }
.fl-search .fl-tool--go { margin-left: auto; }
.fl-search .fl-tool--go .btn { white-space: nowrap; }
.fl-search__hint {
  margin: 12px 0 0;
  font-size: 13.5px;
  color: var(--muted, #6b7280);
}
.fl-search__hint.is-err { color: #b42318; }

/* ---------- 往返行：去 / 返两段行程 ---------- */
.fl-row--rt .fl-row__path { flex-direction: column; align-items: stretch; gap: 6px; }
.fl-leg-line { display: flex; align-items: center; gap: 10px; }
.fl-leg-line__tag {
  flex: none;
  font-size: 12px;
  font-weight: 600;
  color: #8a6d1f;
  background: rgba(196, 164, 96, 0.14);
  border-radius: 6px;
  padding: 2px 8px;
}
@media (max-width: 760px) {
  .fl-search .fl-tool--go { margin-left: 0; }
  .fl-search .fl-date, .fl-search .fl-select { min-width: 128px; }
}

/* 往返行：右侧信息改为纵向（标签上 / 价格中 / 按钮下），避免与两段行程挤压 */
@media (min-width: 761px) {
  .fl-row--rt {
    grid-template-columns: 168px minmax(0, 1fr) 150px;
    grid-template-areas: "air path tags" "air path price" "air path act";
    row-gap: 8px;
  }
  .fl-row--rt .fl-row__tags { display: flex; flex-wrap: wrap; gap: 6px; align-content: center; }
  .fl-row--rt .fl-row__price { margin-top: -2px; }
  .fl-row--rt .fl-row__act { margin-top: -2px; }
}

/* 移动端：leg-line 允许换行，时长线单独占一行，避免横向溢出 */
@media (max-width: 760px) {
  .fl-leg-line { flex-wrap: wrap; row-gap: 2px; }
  .fl-leg-line .fl-leg { flex: 1 1 100%; order: 3; }
  .fl-leg-line .fl-node { max-width: 46%; }
  .fl-leg-line .fl-node--r { margin-left: auto; text-align: right; }
  .fl-leg-line__tag { display: none; }
}

/* ---------- 移动端往返行专属布局：航司 / 行程 / 标签 / 价格+按钮 各占一行 ---------- */
@media (max-width: 760px) {
  .fl-row--rt {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "air air"
      "path path"
      "tags tags"
      "price act";
    row-gap: 9px;
  }
  .fl-row--rt .fl-row__air { align-items: center; }
  .fl-row--rt .fl-row__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
  }
  .fl-row--rt .fl-row__price { align-self: end; }
  .fl-row--rt .fl-row__act { justify-self: end; align-self: end; }
  /* 行程段：出发/到达同一行，时长+中转整行在下 */
  .fl-leg-line { flex-wrap: wrap; row-gap: 1px; }
  .fl-leg-line .fl-leg { flex: 1 1 100%; order: 3; flex-direction: row; align-items: center; gap: 8px; }
  .fl-leg-line .fl-leg .fl-leg__dur { white-space: nowrap; }
  .fl-leg-line .fl-leg .fl-leg__line { flex: 1; }
  .fl-leg-line .fl-leg .fl-leg__stop { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 55%; }
  .fl-leg-line .fl-node { max-width: 44%; }
  .fl-leg-line .fl-node--r { margin-left: auto; text-align: right; }
  .fl-leg-line__tag { display: none; }
}

/* 往返行的 path 必须纵向单列（覆盖单程用的三列 grid，否则去/返两段会挤进相邻列） */
.fl-row--rt .fl-row__path {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
}