/* ===========================================================
   TravelBuddy — 移动端 app 布局为默认，桌面端升级为 web 布局
   =========================================================== */
:root {
  --brand: #ff7043;
  --brand-2: #ffb45c;
  --brand-soft: #fff1e8;
  --accent: #0e9f95;
  --accent-soft: #e6f7f5;
  --ink: #131f2b;
  --ink-2: #35475c;
  --muted: #7b8a9c;
  --line: #e9edf4;
  --card: #ffffff;
  --bg: #f4f6fa;
  --ok: #22a06b;
  --warn: #f59e0b;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 8px rgba(19, 31, 43, 0.06);
  --shadow: 0 12px 32px rgba(19, 31, 43, 0.1);
  --shadow-lg: 0 24px 60px rgba(19, 31, 43, 0.16);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --bar-h: 58px;
  --rail-w: 244px;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body { margin: 0; height: 100%; }

body {
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.55;
}

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: 14px; color: var(--ink); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #cfd8e3; border-radius: 99px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------------- 骨架：移动端 app ---------------- */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg);
}

.rail { display: none; }

.workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 10px;
  background: rgba(244, 246, 250, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(233, 237, 244, 0.9);
  z-index: 5;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.02em;
}
.topbar__brand span.logo {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 6px 14px rgba(255, 112, 67, 0.32);
  font-size: 16px;
}
.topbar__title { display: none; }
.topbar__actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.icon-btn {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 15px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.icon-btn:active { transform: scale(.94); }

.mode-pill {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 12px; color: var(--muted); font-weight: 600;
}
.mode-pill b { color: var(--ink); font-weight: 700; }
.mode-pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 159, 149, 0.16);
}

.main {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: calc(14px + var(--safe-b));
  scroll-behavior: smooth;
}

.view { display: none; animation: fade-up .34s ease both; }
.view.is-active { display: block; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 底部标签栏 */
.tabbar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 2px;
  padding: 6px 6px calc(6px + var(--safe-b));
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  border-top: 1px solid var(--line);
  z-index: 6;
}
.tab-item {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 6px 0 4px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  transition: color .2s ease;
}
.tab-item .ico { font-size: 19px; line-height: 1; filter: grayscale(.35); transition: transform .2s ease, filter .2s ease; }
.tab-item.is-active { color: var(--brand); }
.tab-item.is-active .ico { transform: translateY(-1px) scale(1.08); filter: none; }
.tab-item:active .ico { transform: scale(.94); }

/* ---------------- 通用组件 ---------------- */
.pad { padding: 0 16px; }
.section { padding: 18px 16px 0; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 10px; margin-bottom: 12px;
}
.section-head h2 { font-size: 17px; }
.section-head p { color: var(--muted); font-size: 12px; }
.link-more { font-size: 12px; color: var(--accent); font-weight: 700; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.chip {
  display: inline-flex; align-items: center; gap: 5px;
  height: 32px; padding: 0 12px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font-size: 12.5px; font-weight: 600;
  white-space: nowrap;
  transition: all .18s ease;
}
.chip:active { transform: scale(.96); }
.chip.is-active {
  background: var(--brand-soft);
  border-color: #ffcbb8;
  color: #d84a1b;
  box-shadow: 0 4px 12px rgba(255, 112, 67, 0.14);
}
.chip--soft { background: #f4f7fb; border-color: transparent; color: var(--ink-2); }
.chip-line { display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 4px; scrollbar-width: none; }
.chip-line::-webkit-scrollbar { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 44px; padding: 0 18px;
  border-radius: 14px;
  background: #eef2f8;
  color: var(--ink);
  font-size: 14px; font-weight: 700;
  transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease;
}
.btn:active { transform: scale(.97); }
.btn--primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  box-shadow: 0 10px 24px rgba(255, 112, 67, 0.32);
}
.btn--primary:disabled { opacity: .6; box-shadow: none; }
.btn--ghost { background: #fff; border: 1px solid var(--line); color: var(--ink-2); }
.btn--sm { height: 32px; padding: 0 12px; font-size: 12px; border-radius: 10px; }
.btn--block { width: 100%; }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px;
  border-radius: 99px;
  background: #f1f5fa;
  color: var(--muted);
  font-size: 11px; font-weight: 600;
}
.badge--ok { background: #e8f6ef; color: var(--ok); }
.badge--brand { background: var(--brand-soft); color: #d84a1b; }
.badge--accent { background: var(--accent-soft); color: #0b7d75; }

/* ---------------- 探索页 ---------------- */
.hero {
  position: relative;
  margin: 10px 16px 0;
  padding: 22px 20px 20px;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, #1b2a3d 0%, #24425f 55%, #2f7c7a 100%);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(21, 44, 66, 0.26);
}
.hero::after {
  content: "";
  position: absolute; right: -50px; top: -60px;
  width: 190px; height: 190px;
  background: radial-gradient(circle, rgba(255, 176, 92, 0.55), transparent 68%);
  filter: blur(4px);
}
.hero__tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  margin-bottom: 12px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 11.5px; font-weight: 600; letter-spacing: .04em;
}
.hero h1 { font-size: 24px; line-height: 1.28; margin-bottom: 8px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #ffd7a1, #ff9a62);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p { color: rgba(255, 255, 255, 0.76); font-size: 12.5px; line-height: 1.6; }
.hero .search { margin-top: 16px; }

.search {
  display: flex; align-items: center; gap: 10px;
  height: 46px; padding: 0 14px;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.search input {
  flex: 1; min-width: 0; border: none; outline: none; background: none;
  font-size: 13.5px;
}
.search input::placeholder { color: #9aa8b8; }

.hero__stats {
  display: flex; gap: 18px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.hero__stats div { display: flex; flex-direction: column; gap: 2px; }
.hero__stats b { font-size: 18px; font-weight: 800; letter-spacing: -0.02em; }
.hero__stats span { font-size: 11px; color: rgba(255, 255, 255, 0.62); }

.city-grid { display: grid; gap: 12px; padding: 0 16px; }

.city-card {
  position: relative;
  padding: 15px 16px;
  display: flex; gap: 14px; align-items: flex-start;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  text-align: left;
  transition: transform .2s ease, box-shadow .2s ease;
}
.city-card:active { transform: scale(.985); }
.city-card__emoji {
  flex: none;
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 16px;
  font-size: 26px;
  background: linear-gradient(150deg, #fff3e8, #ffe4d3);
  box-shadow: inset 0 0 0 1px rgba(255, 154, 98, 0.18);
}
.city-card h3 { font-size: 16px; margin-bottom: 2px; display: flex; align-items: center; gap: 7px; }
.city-card h3 span { font-size: 11px; font-weight: 600; color: var(--muted); }
.city-card p { color: var(--muted); font-size: 12.5px; line-height: 1.5; }
.city-card__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.city-card__arrow {
  position: absolute; right: 14px; bottom: 14px;
  width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: #d84a1b; font-size: 14px; font-weight: 700;
}
.city-card__rating {
  position: absolute; right: 14px; top: 14px;
  font-size: 11.5px; font-weight: 700; color: var(--warn);
}

/* ---------------- 规划表单 ---------------- */
.form-card { margin: 12px 16px 0; padding: 18px 16px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.field { margin-bottom: 16px; }
.field--split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field:last-child { margin-bottom: 0; }
.field__label {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 9px;
  font-size: 12.5px; font-weight: 700; color: var(--ink-2);
}
.field__label small { font-weight: 500; color: var(--muted); font-size: 11.5px; }

.city-picker { display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 6px; scrollbar-width: none; }
.city-picker::-webkit-scrollbar { display: none; }
.city-pick {
  flex: none;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  width: 72px; padding: 10px 6px 8px;
  border-radius: 14px;
  background: #f6f8fb;
  border: 1px solid transparent;
  font-size: 12px; font-weight: 700;
  color: var(--ink-2);
  transition: all .18s ease;
}
.city-pick b { font-size: 22px; font-weight: 400; line-height: 1.1; }
.city-pick small { font-size: 10px; font-weight: 500; color: var(--muted); }
.city-pick.is-active {
  background: #fff;
  border-color: rgba(255, 112, 67, 0.5);
  color: #d84a1b;
  box-shadow: 0 8px 20px rgba(255, 112, 67, 0.16);
}

.stepper { display: flex; align-items: center; gap: 14px; }
.stepper__btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: #f4f7fb;
  border: 1px solid var(--line);
  font-size: 17px; font-weight: 700; color: var(--ink-2);
}
.stepper__btn:disabled { opacity: .4; }
.stepper__value { display: flex; align-items: baseline; gap: 4px; font-size: 22px; font-weight: 800; }
.stepper__value small { font-size: 12px; font-weight: 600; color: var(--muted); }

.segmented {
  display: flex; gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: #f1f4f9;
}
.seg {
  flex: 1;
  padding: 8px 4px;
  border-radius: 9px;
  font-size: 12.5px; font-weight: 600;
  color: var(--muted);
  text-align: center;
  transition: all .18s ease;
}
.seg.is-active { background: #fff; color: var(--ink); box-shadow: var(--shadow-sm); }

.form-actions { display: flex; gap: 10px; margin-top: 4px; }

.quick-line {
  display: flex; align-items: center; gap: 8px;
  margin: 10px 16px 0; padding: 10px 12px;
  border-radius: 14px;
  background: #fff;
  border: 1px dashed #e2e8f2;
  color: var(--muted); font-size: 12px;
}
.quick-line b { color: var(--accent); }

/* ---------------- 行程结果 ---------------- */
.plan-head { margin: 14px 16px 0; padding: 18px 16px; border-radius: 20px; color: #fff; background: linear-gradient(135deg, #16324a, #245c6b 70%, #2f8d7f); box-shadow: 0 16px 36px rgba(21, 44, 66, 0.22); }
.plan-head__top { display: flex; align-items: center; gap: 12px; }
.plan-head__emoji { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; font-size: 23px; background: rgba(255, 255, 255, 0.14); border: 1px solid rgba(255, 255, 255, 0.2); }
.plan-head h2 { font-size: 20px; letter-spacing: -0.02em; }
.plan-head p { font-size: 12px; color: rgba(255, 255, 255, 0.7); margin-top: 3px; }
.plan-head__actions { display: flex; gap: 6px; margin-left: auto; }
.plan-head .btn--sm { background: rgba(255, 255, 255, 0.16); color: #fff; border: 1px solid rgba(255, 255, 255, 0.22); padding: 0 10px; gap: 4px; }
@media (max-width: 899px) {
  .plan-head .btn__label { display: none; }
  .plan-head .btn--sm { min-width: 32px; padding: 0 8px; }
  .plan-head h2 { font-size: 18px; }
}
.plan-head__stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 6px; margin-top: 16px; padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.plan-head__stats div { display: flex; flex-direction: column; gap: 1px; }
.plan-head__stats b { font-size: 15px; }
.plan-head__stats span { font-size: 10.5px; color: rgba(255, 255, 255, 0.6); }

.weather-strip { display: flex; gap: 8px; overflow-x: auto; padding: 12px 16px 2px; scrollbar-width: none; }
.weather-strip::-webkit-scrollbar { display: none; }
.weather {
  flex: none;
  min-width: 108px;
  padding: 9px 12px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.weather b { display: block; font-size: 12px; }
.weather .wx-icon { font-size: 18px; }
.weather small { color: var(--muted); font-size: 11px; }

.day-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 14px 16px 4px; scrollbar-width: none; }
.day-tabs::-webkit-scrollbar { display: none; }
.day-tab {
  flex: none;
  padding: 9px 15px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 12.5px; font-weight: 700;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
  transition: all .18s ease;
}
.day-tab small { display: block; font-size: 10px; font-weight: 500; color: var(--muted); }
.day-tab.is-active { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; border-color: transparent; box-shadow: 0 10px 22px rgba(255, 112, 67, 0.3); }
.day-tab.is-active small { color: rgba(255, 255, 255, 0.8); }

.plan-body { padding: 14px 16px 0; }
.plan-body__side { display: grid; gap: 14px; margin-top: 4px; }

.event__actions button:disabled { opacity: .38; }
.event__actions button:disabled:active { background: #f4f7fb; }

.day-panel-head { display: flex; align-items: flex-start; gap: 10px; margin: 4px 0 12px; }
.day-panel-head h3 { font-size: 15px; }
.day-panel-head p { font-size: 11.5px; color: var(--muted); }
.day-panel-head .wx { margin-left: auto; text-align: right; font-size: 11.5px; color: var(--muted); white-space: nowrap; }

.timeline { position: relative; padding-left: 0; }
.event { display: flex; gap: 10px; }
.event__rail { position: relative; flex: none; width: 54px; padding-top: 3px; }
.event__time { font-size: 12px; font-weight: 700; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.event__dot {
  position: absolute; left: 6px; top: 24px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(255, 112, 67, 0.16);
}
.event__line { position: absolute; left: 10px; top: 33px; bottom: -6px; width: 1px; background: rgba(255, 112, 67, 0.24); }
.event:last-child .event__line { display: none; }
.event__card {
  flex: 1; min-width: 0;
  margin-bottom: 10px;
  padding: 12px 13px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}
.event__card.is-focus { box-shadow: 0 0 0 2px rgba(255, 112, 67, 0.35), var(--shadow); }
.event__head { display: flex; align-items: center; gap: 8px; }
.event__head h4 { font-size: 14.5px; }
.event__meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; color: var(--muted); font-size: 11.5px; }
.event__meta span { display: inline-flex; align-items: center; gap: 3px; }
.event__desc { margin-top: 6px; font-size: 12px; color: var(--ink-2); line-height: 1.55; }
.event__actions { display: flex; gap: 6px; margin-top: 9px; }
.event__actions button {
  padding: 5px 10px;
  border-radius: 9px;
  background: #f4f7fb;
  color: var(--ink-2);
  font-size: 11.5px; font-weight: 600;
}
.event__actions button:active { background: #e9eef6; }
.event__actions button.danger { color: #d9534f; }

.event--meal .event__card { background: linear-gradient(135deg, #fffaf5, #fff4ec); border-color: #ffe3d2; box-shadow: none; }
.event--meal .event__dot { background: var(--warn); box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.14); }
.event--meal .event__card h4 { font-size: 13px; }
.event--meal .event__desc { color: #95681f; }

.event--free .event__card { background: #f7fafc; border-color: #e6eef6; box-shadow: none; }
.event--free .event__dot { background: #8fa6bd; box-shadow: 0 0 0 3px rgba(143, 166, 189, 0.16); }
.event--free .event__card h4 { font-size: 13px; color: var(--ink-2); }
.event--free .event__desc { color: var(--muted); }

.event--transfer .event__card { background: #f2f7ff; border-color: #dfe9fb; box-shadow: none; }
.event--transfer .event__dot { background: #5b7cf7; box-shadow: 0 0 0 3px rgba(91, 124, 247, 0.16); }
.event--transfer .event__card h4 { font-size: 13px; color: #2b4a8f; }
.event--transfer .event__desc { color: #456; }

.travel {
  display: flex; align-items: center; gap: 8px;
  margin: -4px 0 10px 54px;
  padding: 4px 0;
  color: var(--muted); font-size: 11px;
}
.travel::before {
  content: ""; width: 18px; height: 1px; background: #dfe6f0;
}
.travel b { color: var(--accent); font-weight: 700; }

/* 地图卡片 */
.map-card { padding: 14px; }
.map-card__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.map-card__head h4 { font-size: 14px; }
.map-card__head small { font-size: 11px; color: var(--muted); }
.map-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(160deg, #eaf3fb, #f7fbf9 60%, #fff5ee);
  border: 1px solid #e3ecf5;
  height: 260px;
}
.map-svg { width: 100%; height: 100%; display: block; }
.map-pin { cursor: pointer; }
.map-pin circle { transition: transform .18s ease; }
.map-pin.is-focus circle { stroke: #ff7043; stroke-width: 3px; }
.map-legend { display: flex; gap: 10px; margin-top: 10px; font-size: 11px; color: var(--muted); }
.map-legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 4px; }

/* 预算 */
.budget { padding: 14px; }
.budget__top { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.budget__top b { font-size: 26px; font-weight: 800; letter-spacing: -0.03em; }
.budget__top small { font-size: 12px; color: var(--muted); }
.budget__sub { display: flex; gap: 14px; margin-bottom: 14px; font-size: 11.5px; color: var(--muted); }
.budget__sub strong { color: var(--ink-2); font-weight: 700; }
.budget-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 12px; }
.budget-row span:first-child { width: 52px; color: var(--muted); }
.bar { flex: 1; height: 7px; border-radius: 99px; background: #f0f4f9; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 99px; transition: width .5s ease; }
.budget-row strong { width: 62px; text-align: right; font-variant-numeric: tabular-nums; }

/* 小贴士 */
.tips { padding: 14px; }
.tips ul { margin: 8px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 12.5px; }
.tips li { margin-bottom: 6px; line-height: 1.55; }

/* 候选点位 */
.cand-list { display: flex; gap: 10px; overflow-x: auto; padding: 2px 16px 6px; scrollbar-width: none; }
.cand-list::-webkit-scrollbar { display: none; }
.cand-card {
  flex: none; width: 200px;
  padding: 13px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  text-align: left;
}
.cand-card h4 { font-size: 13.5px; margin-bottom: 4px; }
.cand-card p { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.cand-card .cand-meta { display: flex; gap: 8px; margin-top: 9px; font-size: 11px; color: var(--muted); }
.cand-card .btn { width: 100%; margin-top: 10px; }

/* ---------------- 我的行程 ---------------- */
.trip-grid { display: grid; gap: 12px; padding: 12px 16px 0; }
.trip-card {
  position: relative;
  padding: 15px 16px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  text-align: left;
  display: flex; gap: 12px;
}
.trip-card__emoji {
  flex: none; width: 48px; height: 48px;
  border-radius: 14px; display: grid; place-items: center;
  font-size: 23px;
  background: linear-gradient(150deg, #eef4fb, #e7f6f4);
}
.trip-card h4 { font-size: 14.5px; margin-bottom: 3px; }
.trip-card p { font-size: 11.5px; color: var(--muted); }
.trip-card__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.trip-card__del {
  position: absolute; right: 10px; top: 10px;
  width: 26px; height: 26px; border-radius: 50%;
  background: #f7f9fc;
  color: var(--muted); font-size: 12px;
}
.empty {
  padding: 46px 20px;
  text-align: center;
  color: var(--muted);
}
.empty b { display: block; font-size: 44px; margin-bottom: 10px; }
.empty h3 { font-size: 15px; color: var(--ink-2); margin-bottom: 6px; }
.empty p { font-size: 12.5px; }

/* ---------------- 智能体 ---------------- */
.view.is-active[data-view="agent"] {
  display: flex;
  flex-direction: column;
  min-height: calc(100dvh - 140px);
}
.view.is-active[data-view="agent"] .chat-view { flex: 1; }
.chat-view { display: flex; flex-direction: column; gap: 12px; padding: 14px 16px 0; }
.chat-hero {
  display: flex; align-items: center; gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: linear-gradient(135deg, #fff, #f2f9f8);
  border: 1px solid #e0eeec;
}
.chat-hero .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 22px;
  background: linear-gradient(140deg, #d9f2ef, #b9e7e2);
}
.chat-hero h4 { font-size: 14px; display: flex; align-items: center; gap: 6px; }
.chat-hero p { font-size: 11.5px; color: var(--muted); }

/* AI 状态徽标 / 消息来源标签 */
.ai-badge {
  display: inline-flex; align-items: center;
  padding: 1px 7px;
  font-size: 10px; font-weight: 700; letter-spacing: .04em;
  color: #0a6b64;
  background: linear-gradient(135deg, #c8f0eb, #a8e6de);
  border-radius: 999px;
  border: 1px solid #96ded4;
}
.ai-badge[hidden] { display: none; }
.bubble__tag {
  align-self: flex-start;
  margin: 0 0 3px 4px;
  padding: 1px 6px;
  font-size: 9.5px; letter-spacing: .03em;
  color: #0a6b64;
  background: #e8f7f4;
  border: 1px solid #cdece6;
  border-radius: 6px;
}

.msg { display: flex; gap: 8px; align-items: flex-end; max-width: 100%; }
.msg .bubble {
  max-width: 82%;
  padding: 11px 13px;
  border-radius: 16px 16px 16px 4px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 13px; line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.msg .bubble strong { color: #d84a1b; }
.msg--user { justify-content: flex-end; }
.msg--user .bubble {
  background: linear-gradient(135deg, #ff8a5c, #ffb45c);
  color: #fff; border-color: transparent;
  border-radius: 16px 16px 4px 16px;
  box-shadow: 0 10px 24px rgba(255, 112, 67, 0.24);
}
.msg--user .bubble strong { color: #fff; }
.msg__stack {
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  flex: 1; min-width: 0; max-width: 100%;
}
.msg__stack .bubble { max-width: 82%; }
.plan-mini {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  width: 100%; max-width: 420px;
  padding: 10px 12px;
  border-radius: 14px;
  background: linear-gradient(150deg, #ffffff, #f6fbfa);
  border: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(19, 31, 43, 0.07);
  white-space: normal;
  word-break: normal;
}
.plan-mini__main { display: flex; align-items: center; gap: 10px; flex: 1 1 160px; min-width: 0; }
.plan-mini__emoji {
  flex: none; width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 11px; background: var(--brand-soft);
  font-size: 19px;
}
.plan-mini__body { min-width: 0; }
.plan-mini__title {
  font-size: 13px; font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.plan-mini__meta {
  font-size: 11px; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.plan-mini__cta { flex: 0 0 auto; margin-left: auto; white-space: nowrap; }
.suggestions { display: flex; gap: 8px; overflow-x: auto; padding: 4px 16px 8px; scrollbar-width: none; }
.suggestions::-webkit-scrollbar { display: none; }
.suggestions .chip { flex: none; }

.chat-compose {
  position: sticky;
  bottom: 8px;
  display: flex; align-items: center; gap: 8px;
  margin: auto 12px 10px;
  padding: 8px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  z-index: 20;
}
.chat-compose input {
  flex: 1; min-width: 0;
  height: 38px; padding: 0 12px;
  border-radius: 11px;
  border: 1px solid #eef2f8;
  background: #f7f9fc;
  outline: none;
  font-size: 13px;
}
.chat-compose input:focus { border-color: #ffc4ae; background: #fff; }
.send-btn {
  flex: none;
  width: 40px; height: 38px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; font-size: 16px;
  box-shadow: 0 8px 18px rgba(255, 112, 67, 0.3);
}
.send-btn:active { transform: scale(.95); }

.typing { display: inline-flex; gap: 4px; }
.typing i {
  width: 6px; height: 6px; border-radius: 50%;
  background: #c9d4e0;
  animation: blink 1.2s infinite;
}
.typing i:nth-child(2) { animation-delay: .2s; }
.typing i:nth-child(3) { animation-delay: .4s; }
.typing__hint { margin-left: 8px; font-size: 11px; color: var(--muted); }
@keyframes blink { 0%, 60%, 100% { opacity: .3; } 30% { opacity: 1; } }

/* ---------------- 弹层 ---------------- */
.modal {
  position: fixed; inset: 0;
  display: none;
  align-items: flex-end;
  justify-content: center;
  background: rgba(17, 28, 40, 0.44);
  backdrop-filter: blur(3px);
  z-index: 40;
  padding: 0;
}
.modal.is-open { display: flex; animation: fade-in .2s ease; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal__panel {
  width: 100%;
  max-height: 82%;
  overflow-y: auto;
  padding: 18px 16px calc(18px + var(--safe-b));
  border-radius: 22px 22px 0 0;
  background: #fff;
  box-shadow: var(--shadow-lg);
  animation: sheet-up .28s cubic-bezier(.22, .86, .34, 1);
}
@keyframes sheet-up { from { transform: translateY(28px); opacity: .6; } to { transform: translateY(0); opacity: 1; } }
.modal__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.modal__head h3 { font-size: 16px; }
.modal__close { width: 30px; height: 30px; border-radius: 50%; background: #f4f7fb; color: var(--muted); }
.opt-list { display: grid; gap: 9px; }
.opt-item {
  display: flex; gap: 11px; align-items: flex-start;
  padding: 12px;
  border-radius: 14px;
  background: #f8fafd;
  border: 1px solid #eef2f8;
  text-align: left;
}
.opt-item:active { background: #f1f5fb; }
.opt-item b { font-size: 13.5px; }
.opt-item small { display: block; color: var(--muted); font-size: 11.5px; margin-top: 2px; }
.opt-item .pri { margin-left: auto; text-align: right; font-size: 11px; color: var(--muted); white-space: nowrap; }

.toast {
  position: fixed;
  left: 50%; bottom: calc(84px + var(--safe-b));
  transform: translate(-50%, 12px);
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(19, 31, 43, 0.92);
  color: #fff; font-size: 12.5px;
  opacity: 0; pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
  z-index: 60;
  max-width: 80vw;
  text-align: center;
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

.btn-icon-label { display: inline-flex; gap: 4px; align-items: center; }

/* ---------------- 桌面 web 布局 ---------------- */
@media (min-width: 900px) {
  body:not(.preview-app) {
    background: radial-gradient(1200px 600px at 12% -10%, #e9f1ff 0%, transparent 60%),
                radial-gradient(900px 500px at 100% 0%, #fff0e4 0%, transparent 55%),
                var(--bg);
  }

  body:not(.preview-app) .app-shell {
    flex-direction: row;
    max-width: 1440px;
    height: 100dvh;
    margin: 0 auto;
    padding: 0;
    background: transparent;
  }

  body:not(.preview-app) .rail {
    display: flex;
    flex-direction: column;
    flex: none;
    width: var(--rail-w);
    padding: 26px 18px 20px;
    gap: 20px;
    border-right: 1px solid rgba(224, 231, 241, 0.8);
    background: rgba(255, 255, 255, 0.62);
    backdrop-filter: blur(18px);
  }

  .rail__brand { display: flex; align-items: center; gap: 10px; padding: 0 6px; }
  .rail__brand .logo {
    width: 40px; height: 40px; border-radius: 13px;
    display: grid; place-items: center;
    font-size: 20px;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 10px 22px rgba(255, 112, 67, 0.3);
  }
  .rail__brand b { font-size: 17px; letter-spacing: -0.03em; display: block; line-height: 1.2; }
  .rail__brand small { font-size: 10.5px; color: var(--muted); letter-spacing: .06em; }

  .rail__nav { display: grid; gap: 4px; }
  .rail__nav .nav-item {
    display: flex; align-items: center; gap: 11px;
    padding: 11px 12px;
    border-radius: 12px;
    color: var(--muted); font-size: 13px; font-weight: 600;
    text-align: left;
    transition: all .18s ease;
  }
  .rail__nav .nav-item .ico { font-size: 17px; filter: grayscale(.4); transition: filter .2s ease; }
  .rail__nav .nav-item:hover { background: rgba(255, 112, 67, 0.08); color: var(--ink); }
  .rail__nav .nav-item.is-active {
    background: #fff;
    color: #d84a1b;
    box-shadow: 0 8px 20px rgba(19, 31, 43, 0.08);
  }
  .rail__nav .nav-item.is-active .ico { filter: none; }

  .rail__foot { margin-top: auto; display: grid; gap: 12px; }
  .rail__card {
    padding: 13px;
    border-radius: 16px;
    background: linear-gradient(150deg, #ffffff, #f5faff);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
  }
  .rail__card p { font-size: 11.5px; color: var(--muted); line-height: 1.5; margin-bottom: 8px; }
  .rail__card b { font-size: 12.5px; display: block; margin-bottom: 4px; }

  body:not(.preview-app) .workspace { flex: 1; min-width: 0; }

  body:not(.preview-app) .topbar {
    padding: 18px 30px 12px;
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
  }
  body:not(.preview-app) .topbar__brand { display: none; }
  body:not(.preview-app) .topbar__title {
    display: block;
    font-size: 21px; font-weight: 800; letter-spacing: -0.03em;
  }
  body:not(.preview-app) .topbar__title small {
    display: block;
    font-size: 12px; font-weight: 500; color: var(--muted);
    letter-spacing: 0; margin-top: 3px;
  }
  body:not(.preview-app) .topbar { align-items: flex-start; }
  body:not(.preview-app) .topbar__actions { padding-top: 2px; }

  body:not(.preview-app) .main {
    padding: 0 30px 30px;
    max-width: 1160px;
    width: 100%;
    margin: 0 auto;
  }
  body:not(.preview-app) .tabbar { display: none; }

  body:not(.preview-app) .hero { margin: 8px 0 0; padding: 34px 36px; border-radius: 26px; }
  body:not(.preview-app) .hero h1 { font-size: 34px; max-width: 620px; }
  body:not(.preview-app) .hero p { font-size: 14px; max-width: 540px; }
  body:not(.preview-app) .hero .search { max-width: 420px; height: 50px; }
  body:not(.preview-app) .hero__stats { gap: 40px; }

  body:not(.preview-app) .section { padding: 26px 0 0; }
  body:not(.preview-app) .section-head h2 { font-size: 19px; }
  body:not(.preview-app) .city-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 0; }
  body:not(.preview-app) .city-card { padding: 18px; }
  body:not(.preview-app) .city-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

  body:not(.preview-app) .form-card { margin: 14px 0 0; padding: 26px 28px; }
  body:not(.preview-app) .field--split { grid-template-columns: repeat(2, minmax(130px, 200px)); gap: 28px; }
  body:not(.preview-app) .quick-line { margin: 12px 0 0; }
  body:not(.preview-app) .chip-line { flex-wrap: wrap; overflow: visible; }

  body:not(.preview-app) .plan-head,
  body:not(.preview-app) .weather-strip,
  body:not(.preview-app) .day-tabs,
  body:not(.preview-app) .cand-list { margin-left: 0; margin-right: 0; }
  body:not(.preview-app) .plan-head { margin: 14px 0 0; padding: 26px 28px; }
  body:not(.preview-app) .weather-strip { padding: 14px 0 0; }
  body:not(.preview-app) .day-tabs { padding: 16px 0 4px; }
  body:not(.preview-app) .plan-body { padding: 16px 0 0; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr); gap: 18px; align-items: start; }
  body:not(.preview-app) .plan-body__side { display: grid; gap: 14px; position: sticky; top: 12px; }
  body:not(.preview-app) .event__card { padding: 14px 16px; }
  body:not(.preview-app) .cand-list { flex-wrap: wrap; overflow: visible; }
  body:not(.preview-app) .cand-card { width: calc((100% - 30px) / 3); }
  body:not(.preview-app) .map-wrap { height: 320px; }

  body:not(.preview-app) .trip-grid { grid-template-columns: repeat(2, 1fr); padding: 14px 0 0; }

  body:not(.preview-app) .chat-view { max-width: 860px; margin: 0 auto; }
  body:not(.preview-app) .chat-compose { max-width: 860px; margin: auto auto 14px; }
  body:not(.preview-app) .suggestions { max-width: 860px; margin: 0 auto; }
  body:not(.preview-app) .view.is-active[data-view="agent"] { min-height: calc(100dvh - 150px); }

  body:not(.preview-app) .modal { align-items: center; }
  body:not(.preview-app) .modal__panel { max-width: 540px; border-radius: 20px; max-height: 76%; padding: 22px 22px 24px; }

  body:not(.preview-app) .toast { bottom: 32px; }
}

/* ---------------- 桌面「手机预览」模式 ---------------- */
body.preview-app {
  background: radial-gradient(900px 500px at 20% 0%, #22364c 0%, #0d1622 70%);
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  padding: 18px;
}
body.preview-app .app-shell {
  width: 420px;
  height: min(880px, calc(100vh - 36px));
  border-radius: 34px;
  overflow: hidden;
  box-shadow: 0 0 0 8px #0b121c, 0 0 0 10px #2a3a4d, 0 40px 90px rgba(0, 0, 0, 0.5);
  border: none;
}
body.preview-app .main { padding-bottom: calc(10px + var(--safe-b)); }

@media (max-width: 899px) {
  #deviceToggle { display: none; }
  .mode-pill { height: 32px; padding: 0 10px; font-size: 11.5px; }
}

/* 小屏微调 */
@media (max-width: 380px) {
  .hero h1 { font-size: 21px; }
  .plan-head__stats b { font-size: 14px; }
  .city-card__emoji { width: 48px; height: 48px; font-size: 23px; }
}