/* ============================================================
   行知 · TripSense
   简约主题：白底 + 中性灰 + 单一蓝色强调，细边框、轻阴影、圆角。
   零依赖、无第三方 UI 框架。
   ============================================================ */

:root {
  --paper: #ffffff;
  --paper-2: #f6f7f9;
  --sheet: #ffffff;
  --sheet-2: #fafbfc;
  --ink: #171a1f;
  --ink-soft: #4d545c;
  --muted: #8a929b;
  --rule: #e8eaed;
  --rule-strong: #d5d9de;
  --accent: #2f6fed;
  --accent-dark: #1f57c9;
  --accent-soft: #eef3fe;
  --moss: #2e7d5b;
  --gold: #a1741f;
  --bad: #c0392b;
  --good: #2e7d5b;
  --mid: #a1741f;
  --low: #c0392b;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 10px 28px rgba(16, 24, 40, .06);
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  /* 简约模式：标题也用无衬线，不再用宋体 */
  --serif: var(--font);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  font-size: 14px;
}
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }

/* ---------------------------------------------------------- topbar */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: var(--sheet);
  border-bottom: 1px solid var(--rule);
}
.topbar-inner { height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--accent); color: #fff; font-size: 17px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-family: var(--font); font-size: 17px; font-weight: 700; letter-spacing: .02em; color: var(--ink); }
.brand-text span { font-size: 10.5px; color: var(--muted); letter-spacing: .02em; }
.topbar-meta { display: flex; align-items: center; gap: 12px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11.5px; color: var(--ink-soft);
  background: var(--paper-2); border: 1px solid var(--rule);
  padding: 6px 11px; border-radius: 999px;
}
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.status-pill.live i { background: var(--good); }

/* ---------------------------------------------------------- buttons */
.btn-primary, .btn-outline, .btn-ghost {
  border-radius: 8px; border: 1px solid var(--rule-strong);
  transition: .15s ease; font-weight: 600;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); padding: 11px 20px; box-shadow: none; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); box-shadow: 0 4px 12px rgba(47, 111, 237, .28); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.btn-primary span { margin-left: 6px; }
.btn-outline { background: var(--sheet); color: var(--ink-soft); border-color: var(--rule-strong); padding: 10px 16px; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn-ghost { background: transparent; color: var(--ink-soft); border-color: var(--rule); padding: 7px 13px; }
.btn-ghost:hover { background: var(--paper-2); border-color: var(--rule-strong); }
.topbar .btn-ghost { color: var(--ink-soft); border-color: var(--rule-strong); }
.topbar .btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.sm { padding: 6px 12px; font-size: 12px; }
.full { width: 100%; }
.icon-btn { border: 0; background: transparent; color: var(--muted); font-size: 17px; padding: 4px 8px; border-radius: 0; }
.icon-btn:hover { background: var(--paper-2); color: var(--ink); }

/* ---------------------------------------------------------- hero */
.hero {
  padding: 42px 0 26px; display: flex; justify-content: space-between;
  align-items: flex-end; gap: 40px; flex-wrap: wrap;
  border-bottom: 1px solid var(--rule); margin-bottom: 24px;
}
.hero-text { max-width: 700px; }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--accent); margin-bottom: 10px; }
.hero h1 { margin: 0 0 12px; font-family: var(--serif); font-size: clamp(28px, 3.6vw, 44px); line-height: 1.24; letter-spacing: .02em; }
.hero p { margin: 0; color: var(--ink-soft); font-size: 14px; max-width: 660px; }
.stepper { list-style: none; display: flex; gap: 9px; margin: 0; padding: 0; }
.stepper li {
  display: flex; align-items: center; gap: 8px; position: relative;
  padding: 7px 13px 7px 8px; border: 1px solid var(--rule-strong);
  background: var(--sheet); color: var(--muted); font-family: var(--mono); font-size: 11.5px;
  transition: .18s ease; border-radius: 0;
}
.stepper li + li::before { content: ''; position: absolute; left: -10px; top: 50%; width: 9px; height: 1px; background: var(--rule-strong); }
.stepper li b { width: 20px; height: 20px; display: grid; place-items: center; background: var(--paper-2); font-size: 10px; color: var(--ink-soft); }
.stepper li.active { background: var(--ink); border-color: var(--ink); color: #fbf8f0; font-weight: 600; }
.stepper li.active b { background: var(--accent); color: #fff; }
.stepper li.done { color: var(--moss); border-color: #a9bda3; }

/* ---------------------------------------------------------- cards */
.card {
  background: var(--sheet); border: 1px solid var(--rule-strong);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 26px 28px; margin-bottom: 22px;
}
.step-panel { display: none; }
.step-panel.active { display: block; animation: fadeUp .35s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.card-head { margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--rule); }
.card-head.row { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.card-head h2 { margin: 0 0 6px; font-family: var(--serif); font-size: 21px; letter-spacing: .01em; }
.card-head h2 .num { color: var(--accent); margin-right: 6px; font-family: var(--mono); }
.card-head p { margin: 0; color: var(--muted); font-size: 13px; }
.head-actions { display: flex; gap: 9px; }

/* ---------------------------------------------------------- form */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 22px; }
.field.span2 { grid-column: 1 / -1; }
.field label { display: block; font-weight: 600; font-size: 12.5px; margin-bottom: 8px; }
.field label em { font-style: normal; color: var(--accent); font-weight: 600; margin-left: 6px; font-size: 12px; }
.label-note { font-weight: 400; color: var(--muted); font-size: 12px; margin-left: 6px; }
.field input[type="text"], .field input[type="date"], .field select, .field textarea, .modal-box input {
  width: 100%; padding: 10px 13px; border: 1px solid var(--rule-strong);
  border-radius: var(--radius); background: #fffdf7; outline: none; transition: .15s;
}
.field input:focus, .field select:focus, .field textarea:focus, .modal-box input:focus {
  border-color: var(--accent); box-shadow: 0 0 0 2px rgba(176, 74, 43, .14);
}
.field textarea { resize: vertical; min-height: 170px; line-height: 1.7; }
.origin-row { display: flex; gap: 10px; }
.origin-row input { flex: 1; }
.origin-row .btn-outline { white-space: nowrap; }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
/* 定位在非安全上下文不可用时的提示，用赭橙提醒但不至于像报错 */
.hint-warn { color: var(--accent); border-left: 3px solid var(--accent); padding-left: 9px; line-height: 1.6; }
/* 分析结果缓存提示条：告知"这是缓存"并给一个强刷出口 */
.cache-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 9px 13px; margin: 10px 0;
  background: var(--accent-soft); border: 1px solid #cdddfa; border-radius: var(--radius);
  font-size: 12.5px; color: var(--accent-dark);
}
.cache-bar .link-btn {
  border: 0; background: none; padding: 0; cursor: pointer;
  color: var(--accent); font: inherit; font-weight: 700;
  text-decoration: underline; text-underline-offset: 3px;
}
.cache-bar .link-btn:hover { color: var(--accent-dark); }
.btn-outline.geo-off { opacity: .5; border-style: dashed; cursor: not-allowed; }
.btn-outline.geo-off:hover { opacity: .5; border-color: var(--rule-strong); color: var(--ink-soft); }
.window-hint {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 9px 13px; background: var(--accent-soft); border: 1px solid #dcbfa9;
  border-radius: var(--radius); font-family: var(--mono); font-size: 12px; color: var(--accent-dark);
}
.window-hint b { font-weight: 700; }
.window-hint button { border: 1px solid var(--accent); background: var(--sheet); color: var(--accent); border-radius: 0; padding: 3px 10px; font-family: var(--mono); font-size: 11px; font-weight: 600; }
.window-hint button:hover { background: var(--accent); color: #fff; }
/* 定位参照物：不设 relative 的话，联想下拉的 100% 会按更外层容器算，右边缘溢出卡片 */
.origin-field { position: relative; }
.suggest {
  position: absolute; z-index: 20; margin-top: 4px; left: 0; right: 0; width: auto;
  background: var(--sheet); border: 1px solid var(--ink); border-radius: 0;
  box-shadow: 5px 5px 0 rgba(32, 44, 41, .16); overflow: hidden;
}
.suggest-item { padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--rule); display: flex; justify-content: space-between; gap: 10px; }
.suggest-item:last-child { border-bottom: 0; }
.suggest-item:hover { background: var(--accent-soft); }
.suggest-item small { color: var(--muted); font-family: var(--mono); }
/* 查不到时的明确反馈，替代过去的静默隐藏 */
.suggest-empty { padding: 12px 14px; font-size: 12px; color: var(--muted); line-height: 1.65; }
.suggest-note { padding: 8px 14px; font-family: var(--mono); font-size: 10.5px; color: var(--accent); background: var(--accent-soft); border-bottom: 1px solid var(--rule); }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.range-scale { display: flex; justify-content: space-between; color: var(--muted); font-family: var(--mono); font-size: 11px; margin-top: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  padding: 6px 13px; border: 1px solid var(--rule-strong); border-radius: 0;
  background: var(--sheet); color: var(--ink-soft); font-family: var(--mono); font-size: 12px; transition: .14s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.on { background: var(--ink); border-color: var(--ink); color: #fbf8f0; font-weight: 600; }
.form-actions { margin-top: 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

/* ---------------------------------------------------------- progress */
.progress-wrap { margin-top: 22px; padding: 16px 18px; background: var(--sheet-2); border: 1px solid var(--rule-strong); border-radius: var(--radius); }
.progress-head { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 12px; margin-bottom: 9px; }
.progress-head span { color: var(--ink-soft); }
.progress-head b { color: var(--accent); }
.progress-bar { height: 8px; background: var(--paper-2); border: 1px solid var(--rule); overflow: hidden; }
.progress-bar i { display: block; height: 100%; width: 0; background: repeating-linear-gradient(90deg, var(--accent) 0 10px, var(--accent-dark) 10px 12px); transition: width .35s ease; }
.progress-stages { display: flex; flex-wrap: wrap; gap: 7px 16px; margin-top: 12px; }
.progress-stages span { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.progress-stages span.done { color: var(--moss); }
.progress-stages span.now { color: var(--accent); font-weight: 600; }

/* ---------------------------------------------------------- alert */
.alert { padding: 11px 15px; border: 1px solid; border-left: 4px solid; border-radius: 0; margin-bottom: 18px; font-size: 12.5px; }
.alert.warn { background: #f8ecdc; border-color: #d9b98e; border-left-color: var(--gold); color: #7d4d1c; }
.alert.info { background: #e9eee4; border-color: #a9bda3; border-left-color: var(--moss); color: #3f5a41; }

/* ---------------------------------------------------------- result top */
.result-top { display: grid; grid-template-columns: 400px 1fr; gap: 22px; margin-bottom: 22px; }
.compass-panel, .summary-panel { background: var(--sheet-2); border: 1px solid var(--rule-strong); border-radius: var(--radius); padding: 18px; }
.compass-panel h3 { margin: 0 0 6px; font-family: var(--serif); font-size: 14px; }
.compass-panel h3 span { font-weight: 400; color: var(--muted); font-size: 11px; margin-left: 6px; font-family: var(--mono); }
#compass svg { width: 100%; height: auto; display: block; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 8px; font-family: var(--mono); font-size: 10.5px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.lg { width: 9px; height: 9px; display: inline-block; }
.lg.good { background: var(--good); } .lg.mid { background: var(--mid); } .lg.low { background: var(--low); }
.legend-note { margin-left: auto; }
.summary-panel { display: flex; flex-direction: column; justify-content: center; }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat { padding: 12px 14px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 0; }
.stat .k { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.stat .v { font-family: var(--serif); font-size: 26px; font-weight: 700; color: var(--accent); line-height: 1.3; }
.stat .v small { font-family: var(--mono); font-size: 11px; font-weight: 500; color: var(--muted); margin-left: 3px; }
.stat .d { font-size: 11px; color: var(--muted); margin-top: 2px; }
.summary-lines { margin-top: 14px; display: flex; flex-direction: column; gap: 5px; }
.summary-lines div { font-size: 12px; color: var(--ink-soft); }
.summary-lines b { color: var(--ink); font-family: var(--mono); font-size: 11px; margin-right: 6px; }

/* ---------------------------------------------------------- toolbar */
.toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding-bottom: 14px; border-bottom: 1px solid var(--rule); margin-bottom: 18px; }
.seg { display: inline-flex; background: var(--paper-2); border: 1px solid var(--rule-strong); border-radius: 0; padding: 2px; gap: 2px; }
.seg button { border: 0; background: transparent; padding: 6px 12px; border-radius: 0; font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft); }
.seg button.active { background: var(--ink); color: #fbf8f0; font-weight: 600; }
.check { font-size: 12px; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.check input { accent-color: var(--accent); }
/* 「排除同城」这一行：整行浅底，说明文字另起一行，避免和后面的 chip 混在一起 */
.inline-check {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 10px 13px; border: 1px solid var(--rule); background: var(--sheet-2);
  font-size: 12.5px; margin-bottom: 0;
}
.inline-check input { margin: 0; }
.inline-check .label-note { flex-basis: 100%; margin-left: 22px; font-size: 11px; line-height: 1.6; }
.selected-count { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--accent); font-weight: 600; }
.preselect-hint { font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin: -6px 0 14px; padding-left: 10px; border-left: 3px solid var(--rule-strong); }

/* ---------------------------------------------------------- compare */
.compare-panel { border: 1px solid var(--rule-strong); border-left: 4px solid var(--accent); background: var(--sheet-2); border-radius: 0; padding: 16px 18px; margin-bottom: 18px; box-shadow: var(--shadow-sm); }
.compare-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.compare-head h4 { margin: 0; font-family: var(--serif); font-size: 15px; }
.compare-head span { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.compare-scroll { overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.compare-table th, .compare-table td { border: 1px solid var(--rule); padding: 8px 10px; text-align: left; white-space: nowrap; }
.compare-table thead th { background: var(--ink); color: #fbf8f0; font-family: var(--mono); font-weight: 600; }
.compare-table tbody th { background: var(--paper-2); font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--ink-soft); }
.compare-empty { font-size: 12.5px; color: var(--muted); }

/* ---------------------------------------------------------- dest cards */
/* align-items:start 是关键：一张卡片展开逐日天气时，不应把同一行另一张卡片拉高 */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }
.dest-card {
  border: 1px solid var(--rule-strong); border-left: 4px solid var(--rule-strong);
  border-radius: 0; background: var(--sheet);
  padding: 16px 18px; box-shadow: var(--shadow-sm);
  transition: .16s ease; scroll-margin-top: 80px;
}
.dest-card:hover { border-color: var(--ink); }
.dest-card.picked { border-left-color: var(--accent); background: linear-gradient(180deg, #fdf3ea, var(--sheet) 90px); }
.dest-card.flash { animation: flash 1.2s ease; }
@keyframes flash { 0%, 100% { box-shadow: var(--shadow-sm); } 30% { box-shadow: 0 0 0 4px rgba(176, 74, 43, .24); } }
.card-top { display: flex; align-items: center; gap: 7px; margin-bottom: 10px; }
.rank { font-family: var(--mono); font-size: 11px; font-weight: 700; color: var(--ink-soft); background: var(--paper-2); padding: 3px 8px; border: 1px solid var(--rule); }
.verdict { font-family: var(--mono); font-size: 10.5px; font-weight: 600; padding: 3px 8px; border: 1px solid; }
.verdict.v1 { background: #e3ead9; color: var(--moss); border-color: #b3c5a6; }
.verdict.v2 { background: #e8eee1; color: #41603f; border-color: #b9c9ae; }
.verdict.v3 { background: #f6ecd7; color: #8a6a20; border-color: #ddc79a; }
.verdict.v4 { background: #f6e2df; color: var(--bad); border-color: #dcb7b2; }
.niche-badge { font-family: var(--mono); font-size: 10px; padding: 3px 7px; border: 1px solid var(--accent); color: var(--accent); background: var(--accent-soft); }
.pick-btn { margin-left: auto; border: 1px solid var(--rule-strong); background: var(--sheet); border-radius: 0; padding: 5px 11px; font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft); }
.pick-btn:hover { border-color: var(--accent); color: var(--accent); }
.pick-btn.on { background: var(--ink); border-color: var(--ink); color: #fbf8f0; }
.card-title h4 { margin: 0; font-family: var(--serif); font-size: 18px; letter-spacing: .01em; }
.card-title .sub { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 3px; }
.card-body { display: flex; gap: 16px; margin: 14px 0 12px; align-items: center; }
.score-ring { flex: 0 0 78px; text-align: center; }
.score-ring svg { width: 72px; height: 72px; }
.score-ring .score-num { font-family: var(--serif); font-size: 21px; font-weight: 800; fill: var(--ink); }
.score-ring .score-cap { font-family: var(--mono); font-size: 8px; fill: var(--muted); }
.metrics { flex: 1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px 12px; }
.metric { min-width: 0; }
.metric .k { display: block; font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: .03em; }
.metric .v { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric .s { display: block; font-size: 10.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric .s.est { color: var(--accent); }
.reasons { list-style: none; margin: 0 0 10px; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.reasons li { font-size: 12px; color: var(--ink-soft); padding-left: 15px; position: relative; }
.reasons li::before { content: "✓"; position: absolute; left: 0; color: var(--moss); font-size: 11px; }
.warnings { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.warnings span { font-family: var(--mono); font-size: 10.5px; background: #f8ecdc; color: #8a5f1c; border: 1px solid #ddc79a; padding: 3px 8px; }
.empty-mini { font-family: var(--mono); font-size: 12px; color: var(--muted); padding: 20px 0; text-align: center; }

/* 逐日天气：自定义展开箭头 + 明确展开态 + 窄卡片内横向滚动 */
.daily { border-top: 1px solid var(--rule); margin-top: 10px; padding-top: 9px; }
.daily summary {
  font-family: var(--mono); font-size: 11.5px; color: var(--accent); cursor: pointer;
  list-style: none; display: flex; align-items: center; gap: 7px;
  padding: 2px 0; user-select: none;
}
.daily summary::-webkit-details-marker { display: none; }
.daily summary::before { content: '▸'; display: inline-block; font-size: 10px; transition: transform .18s ease; }
.daily[open] summary::before { transform: rotate(90deg); }
.daily[open] summary { color: var(--ink); font-weight: 600; }
.daily table {
  width: 100%; border-collapse: collapse; margin-top: 9px; font-family: var(--mono); font-size: 10.5px;
  display: block; overflow-x: auto; white-space: nowrap;
}
.daily th, .daily td { padding: 5px 7px; border-bottom: 1px solid var(--rule); text-align: left; }
.daily th { color: var(--muted); font-weight: 500; background: var(--sheet-2); }

/* ---------------------------------------------------------- notes */
.notes { margin-top: 20px; padding: 14px 16px; background: var(--sheet-2); border: 1px solid var(--rule); border-left: 4px solid var(--rule-strong); }
.notes h4 { margin: 0 0 8px; font-family: var(--serif); font-size: 13px; }
.notes ul { margin: 0; padding-left: 18px; }
.notes li { font-size: 11.5px; color: var(--muted); margin-bottom: 3px; }

/* ---------------------------------------------------------- plan */
.plan-grid { display: grid; grid-template-columns: 380px 1fr; gap: 22px; }
.plan-left label { display: block; font-weight: 600; font-size: 12.5px; margin: 0 0 8px; }
.plan-left label:not(:first-child) { margin-top: 20px; }
.selected-chips { display: flex; flex-wrap: wrap; gap: 7px; min-height: 34px; }
.sel-chip { font-family: var(--mono); font-size: 11.5px; padding: 5px 10px; background: var(--accent-soft); color: var(--accent-dark); border: 1px solid #dcbfa9; }
.quick-needs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.quick-needs button { font-family: var(--mono); font-size: 11px; padding: 5px 10px; border: 1px solid var(--rule-strong); background: var(--sheet); border-radius: 0; color: var(--ink-soft); }
.quick-needs button:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.ai-inline { margin: 16px 0; padding: 10px 12px; border-left: 3px solid var(--accent); background: var(--sheet-2); border-radius: 0; font-size: 11.5px; color: var(--ink-soft); line-height: 1.7; }
.ai-inline b { color: var(--accent); }
.plan-right { border: 1px solid var(--rule-strong); border-radius: 0; overflow: hidden; display: flex; flex-direction: column; background: var(--sheet); min-height: 560px; }
.output-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 9px 14px; background: var(--paper-2); border-bottom: 1px solid var(--rule); font-size: 11.5px; color: var(--ink-soft); }
.output-head > div { display: flex; gap: 7px; }
.output-head .btn-ghost { color: var(--ink-soft); border-color: var(--rule-strong); background: var(--sheet); }
.output-head .btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.markdown { padding: 22px 26px; flex: 1; overflow-y: auto; max-height: 760px; font-size: 13.5px; line-height: 1.85; }

/* 生成之后的「继续调整」区：贴在输出框底部，像对话的输入条 */
.followup {
  border-top: 1px dashed var(--rule-strong);
  padding: 12px 14px 13px;
  background: var(--sheet-2);
  flex: 0 0 auto;
}
.followup-row { display: flex; gap: 9px; }
.followup-row input {
  flex: 1; min-width: 0; padding: 9px 12px; border: 1px solid var(--rule-strong);
  background: var(--sheet); font-family: inherit; font-size: 12.5px; border-radius: 0; color: var(--ink);
}
.followup-row input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.followup-hint {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-top: 8px; font-family: var(--mono); font-size: 10.5px; color: var(--muted);
}
.followup-hint .btn-ghost { padding: 3px 8px; font-size: 10.5px; }
.markdown.empty { display: flex; align-items: center; justify-content: center; }
.empty-state { text-align: center; color: var(--muted); max-width: 320px; }
.empty-icon { font-size: 32px; color: var(--accent); opacity: .5; margin-bottom: 8px; }
.empty-state h4 { margin: 0 0 6px; color: var(--ink-soft); font-family: var(--serif); font-size: 16px; }
.empty-state p { font-size: 12.5px; }

/* markdown output */
.markdown h1, .markdown h2, .markdown h3, .markdown h4 { font-family: var(--serif); line-height: 1.4; margin: 22px 0 10px; }
.markdown h1 { font-size: 22px; }
.markdown h2 { font-size: 18px; color: var(--ink); border-bottom: 2px solid var(--ink); padding-bottom: 6px; }
.markdown h3 { font-size: 15px; } .markdown h4 { font-size: 14px; }
.markdown p { margin: 9px 0; }
.markdown ul, .markdown ol { padding-left: 22px; margin: 9px 0; }
.markdown li { margin: 4px 0; }
.markdown blockquote { margin: 12px 0; padding: 10px 14px; background: var(--accent-soft); border-left: 4px solid var(--accent); border-radius: 0; color: #7d4d1c; font-size: 12.5px; }
.markdown blockquote p { margin: 0; }
.markdown table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 12.5px; display: block; overflow-x: auto; }
.markdown th, .markdown td { border: 1px solid var(--rule); padding: 7px 10px; text-align: left; white-space: nowrap; }
.markdown th { background: var(--paper-2); font-weight: 600; }
.markdown tr:nth-child(even) td { background: var(--sheet-2); }
.markdown code { background: var(--paper-2); padding: 1px 5px; border-radius: 0; font-family: var(--mono); font-size: 11.5px; }
.markdown pre { background: var(--ink); color: #e8e4d8; padding: 14px; border-radius: 0; overflow-x: auto; font-size: 12px; }
.markdown pre code { background: transparent; color: inherit; padding: 0; }
.markdown hr { border: 0; border-top: 1px solid var(--rule-strong); margin: 20px 0; }
.markdown strong { color: var(--ink); }
.markdown a { word-break: break-all; }
.cursor { color: var(--accent); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------------------------------------------------------- footer */
.footer { padding: 18px 0 40px; color: var(--muted); font-family: var(--mono); font-size: 10.5px; line-height: 1.9; border-top: 1px solid var(--rule-strong); }
.footer strong { color: var(--ink-soft); }
.footer .disclaimer { margin-top: 6px; color: #93988c; }

/* ---------------------------------------------------------- modal */
.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; }
.modal.hidden, .hidden { display: none !important; }
.modal-mask { position: absolute; inset: 0; background: rgba(32, 44, 41, .58); }
.modal-box {
  position: relative; width: min(560px, calc(100vw - 32px)); max-height: 88vh; overflow-y: auto;
  background: var(--sheet); border: 1px solid var(--ink); border-radius: 0; padding: 24px 26px;
  box-shadow: 8px 8px 0 rgba(32, 44, 41, .2);
}
.modal-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--rule); padding-bottom: 12px; }
.modal-head h3 { margin: 0; font-family: var(--serif); font-size: 18px; }
.modal-head h3 span { font-family: var(--mono); font-size: 10.5px; color: var(--muted); font-weight: 400; margin-left: 6px; }
.modal-desc { font-size: 12px; color: var(--muted); margin: 12px 0 20px; line-height: 1.75; }
.modal-desc code { background: var(--paper-2); padding: 1px 5px; font-family: var(--mono); font-size: 11px; }
.modal-box label { display: block; font-size: 12px; font-weight: 600; margin: 14px 0 7px; }

/* 数据源增强区块：与 AI 接口分开，避免用户以为只能配模型 */
.modal-divider { display: flex; align-items: center; gap: 10px; margin: 22px 0 4px; }
.modal-divider::before, .modal-divider::after { content: ''; height: 1px; background: var(--rule); flex: 1; }
.modal-divider span { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--muted); white-space: nowrap; }
.field-link { font-family: var(--mono); font-size: 10.5px; font-weight: 400; color: var(--accent); margin-left: 6px; text-decoration: none; border-bottom: 1px solid currentColor; }
.field-link:hover { color: var(--accent-dark); }
.field-hint { font-size: 11px; color: var(--muted); line-height: 1.65; margin: 7px 0 0; }
.field-row-inline { display: flex; align-items: center; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.field-hint.inline { margin: 0; }
.field-hint.good { color: var(--moss); font-weight: 600; }
.field-hint.bad { color: var(--accent); font-weight: 600; }
.alert-link { font: inherit; font-weight: 600; color: inherit; background: none; border: 0; padding: 0; margin: 0 2px; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.alert-link:hover { color: var(--accent-dark); }
.alert-link[disabled] { opacity: .5; cursor: default; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.presets button { font-family: var(--mono); font-size: 11px; padding: 5px 10px; border: 1px solid var(--rule-strong); background: var(--sheet); border-radius: 0; color: var(--ink-soft); }
.presets button:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.prompt-details { margin-top: 18px; border: 1px solid var(--rule-strong); border-radius: 0; padding: 10px 13px; }
.prompt-details summary { font-family: var(--mono); font-size: 12px; color: var(--accent); cursor: pointer; font-weight: 600; }
.prompt-actions { margin: 10px 0 8px; }
.prompt-details pre { max-height: 230px; overflow: auto; background: var(--sheet-2); padding: 12px; border: 1px solid var(--rule); font-family: var(--mono); font-size: 11px; line-height: 1.65; white-space: pre-wrap; color: var(--ink-soft); }
.modal-actions { display: flex; gap: 10px; margin-top: 22px; }

/* ---------------------------------------------------------- toast */
.toast {
  position: fixed; z-index: 80; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: var(--ink); color: #fbf8f0; padding: 11px 18px; border: 1px solid var(--accent);
  font-family: var(--mono); font-size: 12.5px; box-shadow: 5px 5px 0 rgba(32, 44, 41, .22); animation: toastIn .25s ease;
}
.toast.err { background: var(--bad); border-color: #7d2a24; }
.toast.ok { background: var(--moss); border-color: #35513a; }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 10px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ---------------------------------------------------------- responsive */
@media (max-width: 980px) {
  .result-top, .plan-grid { grid-template-columns: 1fr; }
  .compass-panel { max-width: 420px; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 14px; }
  .card { padding: 20px 16px; }
  .form-grid, .cards { grid-template-columns: 1fr; }
  .field.span2 { grid-column: auto; }
  .hero { padding-top: 28px; }
  .stepper { width: 100%; overflow-x: auto; }
  /* 保持横向排列：一旦变成纵向，联想下拉会被推到定位按钮下方，
     手机键盘弹出时正好落在视口外，用户会以为"没有联想" */
  .origin-row { flex-direction: row; align-items: stretch; }
  .origin-row .btn-outline {
    flex: 0 0 auto; min-width: 48px; padding: 0 12px; font-size: 0;
  }
  .origin-row .btn-outline::before { content: '📍'; font-size: 16px; }
  /* 下拉限高 + 可滚动，保证在手机视口内能看到、能选 */
  .suggest { max-height: 46vh; overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .head-actions { width: 100%; }
  .selected-count { margin-left: 0; }
}

/* ============================================================
   简约化收尾：圆角、需求框、chips
   ============================================================ */

.card, .dest-card, .compass-panel, .plan-right, .modal-box, .stat {
  border-radius: var(--radius);
}
.card { box-shadow: var(--shadow-sm); }

.field input[type="text"], .field input[type="date"], .field select,
.field textarea, .modal-box input, .followup-row input {
  border-radius: 8px;
  border-color: var(--rule-strong);
  background: var(--sheet);
}

/* 「你的具体需求」之前不在 .field 里，完全没吃到输入框样式，所以又小又没边界 */
.plan-left textarea {
  display: block; width: 100%; min-height: 200px;
  padding: 12px 14px; line-height: 1.7; font-size: 13px;
  color: var(--ink); background: var(--sheet);
  border: 1px solid var(--rule-strong); border-radius: 8px;
  resize: vertical; transition: border-color .15s, box-shadow .15s;
}
.plan-left textarea::placeholder { color: var(--muted); }
.plan-left textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.chip, .quick-needs button, .presets button, .stepper li { border-radius: 999px; }
.chip { padding: 6px 14px; }
.sel-chip { border-radius: 999px; border-color: var(--rule-strong); background: var(--accent-soft); color: var(--accent-dark); }

.output-head { border-radius: var(--radius) var(--radius) 0 0; }
.followup { border-radius: 0 0 var(--radius) var(--radius); }
.alert { border-radius: 8px; }

/* ------------------------------ 版本切换 / 对比 */
.head-tools { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; justify-content: flex-end; }
.version-select {
  font-size: 11.5px; padding: 5px 8px; border: 1px solid var(--rule-strong);
  border-radius: 6px; background: var(--sheet); color: var(--ink);
  max-width: 200px; cursor: pointer;
}
.version-select:focus { outline: none; border-color: var(--accent); }

.compare-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--rule); flex: 1; min-height: 0; overflow: hidden;
}
.compare-col { display: flex; flex-direction: column; background: var(--sheet); min-width: 0; }
.compare-col-head {
  padding: 8px 14px; font-size: 11.5px; font-weight: 600; color: var(--ink-soft);
  background: var(--sheet-2); border-bottom: 1px solid var(--rule);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.compare-col .markdown { max-height: none; padding: 16px 18px; font-size: 12.5px; }

@media (max-width: 900px) {
  .compare-wrap { grid-template-columns: 1fr; }
  .version-select { max-width: 150px; }
}

/* ------------------------------ 周边住宿参考 */
.hotel-box { margin-top: 14px; }
.hotel-hint { font-size: 11.5px; color: var(--muted); line-height: 1.6; }
.hotel-details { border: 1px solid var(--rule); border-radius: 8px; background: var(--sheet-2); overflow: hidden; }
.hotel-details summary {
  padding: 8px 11px; font-size: 11.5px; font-weight: 600; color: var(--ink-soft);
  cursor: pointer; list-style: none; display: flex; align-items: center; gap: 6px;
}
.hotel-details summary::-webkit-details-marker { display: none; }
.hotel-details summary::before { content: '▸'; font-size: 9px; color: var(--muted); transition: transform .16s; }
.hotel-details[open] summary::before { transform: rotate(90deg); }
.hotel-details summary span { font-weight: 400; color: var(--muted); margin-left: auto; }
.hotel-list { list-style: none; margin: 0; padding: 0 11px 8px; max-height: 200px; overflow-y: auto; }
.hotel-list li {
  display: flex; justify-content: space-between; gap: 10px; padding: 6px 0;
  border-top: 1px dashed var(--rule); font-size: 11.5px;
}
.hotel-list .hn { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hotel-list .hm { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.hotel-note { padding: 0 11px 9px; font-size: 10.5px; color: var(--muted); line-height: 1.55; }

/* ------------------------------ 强调色统一为蓝色，去掉散落的黑块 */
.stepper li.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.seg button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pick-btn.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.compare-table thead th { background: var(--paper-2); color: var(--ink-soft); }

/* 输出头按钮多，允许换行，否则会把右侧按钮挤出容器 */
.output-head { flex-wrap: wrap; row-gap: 7px; }
.head-tools { flex-wrap: wrap; row-gap: 6px; }
.version-select { max-width: 160px; }
.output-head .btn-ghost { padding: 5px 10px; }

/* ------------------------------ 住宿价位选择 */
.lodging-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.lodging-label { font-size: 12px; font-weight: 600; color: var(--ink-soft); }
.lodging-row .chips .chip { font-size: 11.5px; padding: 5px 11px; }

/* ------------------------------ 路线图 + 住宿（方案定稿后出现） */
.plan-extra { display: grid; grid-template-columns: 1.15fr 1fr; gap: 18px; margin-top: 20px; }
.extra-card {
  border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet);
  box-shadow: var(--shadow-sm); overflow: hidden;
}
.extra-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 14px; border-bottom: 1px solid var(--rule); background: var(--sheet-2);
  font-size: 12.5px; font-weight: 600; color: var(--ink-soft);
}
.extra-note { font-weight: 400; font-size: 11px; color: var(--muted); }

.route-wrap { padding: 10px 12px 12px; }
.route-svg { width: 100%; height: auto; display: block; }
.rm-scale { font-size: 9px; fill: #b6bec8; }
.rm-compass { font-size: 10px; fill: var(--muted); font-weight: 700; letter-spacing: .06em; }
.rm-idx { font-size: 8.5px; fill: #fff; font-weight: 700; }
.rm-name { font-size: 11.5px; fill: var(--ink); font-weight: 600; }
.rm-dist { font-size: 9.5px; fill: var(--muted); }
.rm-origin { font-size: 10.5px; fill: var(--ink-soft); font-weight: 600; }
.route-legend {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 6px 2px 0; font-size: 10.5px; color: var(--muted);
}
.route-legend .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; }
.route-legend .dot.origin { background: #171a1f; }
.route-legend .dot.dest { background: var(--accent); }
.route-provider { margin-left: auto; }

/* 行程点清单：地图上最多画 9 个点，方案里的地点通常更多，
   完整清单让用户能看到「每个安排的地点」是哪些、按什么顺序 */
.route-stops {
  list-style: none; margin: 10px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 4px 10px;
}
.route-stops li {
  display: flex; align-items: baseline; gap: 6px;
  font-size: 11.5px; color: var(--ink-soft); line-height: 1.5;
}
.route-stops li b {
  flex: 0 0 auto; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: 9.5px; font-weight: 600; text-align: center; line-height: 16px;
}
.route-stops li .sn { flex: 1 1 auto; }
.route-stops li em {
  flex: 0 0 auto; font-style: normal; font-size: 10px; color: var(--muted);
}

.hotel-box { padding: 12px 14px; margin-top: 0; }
.extra-card .hotel-list { padding: 0 0 6px; }
.extra-card .hotel-note { padding: 0; }
.stay-range { font-size: 11px; color: var(--muted); margin-bottom: 8px; }
.stay-range b { color: var(--ink-soft); }

/* ------------------------------------------------- 住宿自定义价位 */
.lodging-custom { display: flex; align-items: center; gap: 7px; margin-top: 9px; flex-wrap: wrap; }
.lodging-custom .cny, .lodging-custom .to { font-size: 12px; color: var(--muted); }
.lodging-custom input {
  width: 96px; padding: 7px 9px; font-size: 12.5px;
  border: 1px solid var(--rule-strong); border-radius: 7px; background: #fff; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.lodging-custom input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47, 111, 237, .12); }
.lodging-custom .unit { font-size: 11px; color: var(--muted); }
.lodging-tip { margin: 7px 0 0; font-size: 11px; color: var(--muted); line-height: 1.5; }

/* ------------------------------------------------- 住宿价格缺失与外部核对 */
.hotel-list .hn { flex: 1; min-width: 0; }
.hotel-list .hm-link {
  font-size: 10.5px; color: var(--accent); text-decoration: none;
  border-bottom: 1px solid transparent; white-space: nowrap;
}
.hotel-list .hm-link:hover { border-bottom-color: var(--accent); }
.price-warn {
  font-size: 10.5px; line-height: 1.65; color: #8a5a00;
  background: #fff8e6; border: 1px solid #f0dcae; border-radius: 7px;
  padding: 8px 10px; margin: 0 0 8px;
}
.price-warn code { font-family: var(--mono); font-size: 10px; background: #fff; padding: 0 3px; border-radius: 3px; }

/* ------------------------------------------------- 真实地图图层 */
.map-layer {
  position: relative; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--rule); background: var(--paper-2);
}
.map-layer img { display: block; width: 100%; height: auto; }
/* 标记与连线是前端叠加的 SVG，跟底图同 viewBox，自动对齐 */
.map-overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.map-name {
  font-size: 11px; fill: #171a1f; font-weight: 600;
  paint-order: stroke; stroke: rgba(255, 255, 255, .95); stroke-width: 3.5px; stroke-linejoin: round;
}
.map-legend {
  position: absolute; left: 8px; bottom: 8px;
  font-size: 10px; color: #fff; background: rgba(23, 26, 31, .62);
  padding: 3px 8px; border-radius: 4px;
}
.route-fallback .route-svg { border-radius: 8px; background: #fbfcfd; border: 1px solid var(--rule); }
.map-hint { font-size: 10.5px; color: var(--muted); margin-top: 7px; line-height: 1.6; }

/* 两张卡内容长度差很多，按 start 对齐，别互相拉伸 */
.plan-extra { align-items: start; }

@media (max-width: 900px) {
  .plan-extra { grid-template-columns: 1fr; }
}