/* 航线地图 styles.css — v3.2 界面 */
:root{
  --ink:#111a2b;--ink-2:#2b3649;--muted:#5b6679;--dim:#8a94a6;
  --bg:#f3f5f8;--panel:#fff;--panel-2:#f6f8fb;--panel-3:#eef2f7;
  --line:#e3e8ef;--line-strong:#cdd5e0;
  --accent:#b45f06;--accent-hover:#944d04;--accent-soft:#fdf1e4;--accent-ink:#8a4700;
  --route:#c56800;--teal:#0b7b85;--teal-soft:#e6f4f5;
  --danger:#b4232f;--danger-soft:#fdecee;--success:#12795a;--success-soft:#e5f5ef;
  --radius-lg:18px;--radius:12px;--radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(17,26,43,.06),0 1px 1px rgba(17,26,43,.04);
  --shadow:0 1px 2px rgba(17,26,43,.05),0 8px 24px rgba(17,26,43,.07);
  --shadow-float:0 2px 6px rgba(17,26,43,.08),0 12px 32px rgba(17,26,43,.14);
  --focus:0 0 0 3px rgba(11,123,133,.28);
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --topbar-h:60px;
}
*{box-sizing:border-box}
html{color-scheme:light;-webkit-text-size-adjust:100%}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;-webkit-font-smoothing:antialiased}
body{background:radial-gradient(1200px 400px at 10% -120px,rgba(180,95,6,.07),transparent 70%),radial-gradient(900px 380px at 95% -160px,rgba(11,123,133,.07),transparent 70%),var(--bg)}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.45}
:focus-visible{outline:0;box-shadow:var(--focus)}
svg{width:18px;height:18px;flex:none}
[hidden]{display:none!important}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:12px;top:8px;z-index:9999;padding:9px 12px;border-radius:8px;background:var(--panel);color:var(--ink);transform:translateY(-160%)}
.skip-link:focus{transform:none}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶栏 ---------- */
.topbar{position:sticky;top:0;z-index:1100;height:var(--topbar-h);padding:0 clamp(14px,2.4vw,32px);display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid rgba(205,213,224,.7);background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px)}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;min-width:0}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(145deg,#c96d0c,#9a4d02);color:#fff;box-shadow:0 4px 10px rgba(180,95,6,.3),inset 0 1px 0 rgba(255,255,255,.25)}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{font-size:15px;font-weight:750;letter-spacing:-.01em}
.brand-text small{color:var(--muted);font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-actions{display:flex;align-items:center;gap:6px}
.ghost-button{display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:0 12px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--ink-2);font-size:13px;font-weight:600;transition:background .15s,border-color .15s}
.ghost-button:hover:not(:disabled){background:var(--panel-3);border-color:var(--line)}
.ghost-button svg{width:17px;height:17px;color:var(--muted)}
.ghost-button.small{min-height:32px;padding:0 10px;font-size:12.5px}
.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border:0;border-radius:var(--radius);background:linear-gradient(180deg,#c26a0b,var(--accent));color:#fff;font-weight:700;letter-spacing:.01em;box-shadow:0 1px 0 rgba(255,255,255,.2) inset,0 6px 16px rgba(180,95,6,.24);transition:transform .12s,box-shadow .15s,background .15s}
.primary-button:hover:not(:disabled){background:linear-gradient(180deg,#b15f07,var(--accent-hover));box-shadow:0 1px 0 rgba(255,255,255,.2) inset,0 8px 20px rgba(180,95,6,.3)}
.primary-button:active:not(:disabled){transform:translateY(1px)}
.primary-button.compact{min-height:38px;padding:0 14px;font-size:13px;border-radius:var(--radius-sm)}
.primary-button svg{width:17px;height:17px}

/* ---------- 布局 ---------- */
.app-shell{max-width:1640px;margin:0 auto;padding:18px clamp(14px,2.4vw,32px) max(20px,env(safe-area-inset-bottom))}
.query-card,.map-panel,.side-panel{border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow)}

/* ---------- 查询 ---------- */
.query-card{position:relative;z-index:20;margin-bottom:14px;padding:10px;border-radius:var(--radius-lg)}
.query-line{display:flex;gap:10px}
.query-input-wrap{position:relative;display:flex;align-items:center;flex:1;min-width:0;border:1.5px solid var(--line);border-radius:var(--radius);background:var(--panel-2);transition:border-color .15s,box-shadow .15s,background .15s}
.query-input-wrap:hover{border-color:var(--line-strong)}
.query-input-wrap:focus-within{border-color:var(--teal);background:#fff;box-shadow:var(--focus)}
.query-icon{margin-left:15px;color:var(--accent);width:19px;height:19px}
.query-input-wrap input{width:100%;min-width:0;height:48px;padding:0 12px;border:0;outline:0;background:transparent;color:var(--ink);font:600 16px/1 var(--mono);letter-spacing:.02em;text-transform:uppercase}
.query-input-wrap input:focus{box-shadow:none}
.query-input-wrap input::placeholder{color:var(--dim);font-weight:500;text-transform:none;letter-spacing:0}
.query-input-wrap input[aria-invalid="true"]{color:var(--danger)}
.query-input-wrap:has(input[aria-invalid="true"]){border-color:rgba(180,35,47,.55)}
.query-kbd{margin-right:12px;min-width:22px;height:22px;display:grid;place-items:center;border:1px solid var(--line-strong);border-bottom-width:2px;border-radius:6px;background:#fff;color:var(--muted);font:600 11px var(--mono)}
.query-input-wrap:focus-within .query-kbd{display:none}
.clear-button{width:32px;height:32px;margin-right:8px;display:grid;place-items:center;border:0;border-radius:8px;background:transparent;color:var(--muted)}
.clear-button:hover{background:var(--panel-3);color:var(--ink)}
.clear-button svg{width:16px;height:16px}
.clear-button:not([hidden])~.query-kbd,.query-input-wrap:has(.clear-button:not([hidden])) .query-kbd{display:none}
.draw-button{min-width:132px}
.query-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 4px 1px;color:var(--muted);font-size:12.5px}
#queryHint{display:flex;align-items:center;flex-wrap:wrap;gap:6px}
.inline-example{min-height:26px;padding:0 9px;border:1px solid var(--line);border-radius:999px;background:var(--panel-2);color:var(--ink-2);font:600 12px var(--mono);transition:border-color .15s,background .15s,color .15s}
.inline-example:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink)}
#queryStatus{display:inline-flex;align-items:center;gap:6px;min-height:26px;padding:0 10px;border-radius:999px;background:var(--panel-3);color:var(--muted);font-weight:600;white-space:nowrap;max-width:60%;overflow:hidden;text-overflow:ellipsis}
#queryStatus::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.55;flex:none}
#queryStatus.error{background:var(--danger-soft);color:var(--danger)}
#queryStatus.success{background:var(--success-soft);color:var(--success)}
.suggestions{position:absolute;left:10px;right:152px;top:66px;z-index:1200;max-height:360px;overflow:auto;padding:6px;border:1px solid var(--line);border-radius:14px;background:var(--panel);box-shadow:var(--shadow-float)}
.suggestion{display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:12px;padding:9px 10px;border-radius:9px;cursor:pointer}
.suggestion:hover,.suggestion[aria-selected="true"]{background:var(--panel-3)}
.suggestion[aria-selected="true"]{box-shadow:inset 3px 0 0 var(--accent)}
.sg-code{display:grid;place-items:center;height:30px;border-radius:7px;background:var(--accent-soft);color:var(--accent-ink);font:750 13px var(--mono);letter-spacing:.03em}
.sg-main{min-width:0;display:flex;flex-direction:column;gap:2px}
.sg-city{color:var(--ink);font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sg-name{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sg-country{color:var(--muted);font-size:12px;white-space:nowrap}
.flag{font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif;font-size:1.05em;line-height:1}
.suggestion mark{background:rgba(180,95,6,.14);color:inherit;border-radius:3px;padding:0 1px}

/* ---------- 工作区 ---------- */
.workspace-grid{--work-h:clamp(560px,calc(100vh - var(--topbar-h) - 170px),940px);display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:14px}
.map-panel,.side-panel{position:relative;overflow:hidden;border-radius:var(--radius-lg)}
.map-panel{height:var(--work-h)}
.map-wrap{position:absolute;inset:0;background:#dfe5ea}
#map{position:absolute;inset:0}
.map-stats,.map-hud,.map-legend,.map-interaction-toggle{position:absolute;z-index:5;border:1px solid rgba(205,213,224,.9);background:rgba(255,255,255,.94);box-shadow:var(--shadow-float);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.map-stats{left:12px;top:12px;max-width:calc(100% - 210px);min-height:38px;padding:0 13px;display:flex;align-items:center;gap:8px;border-radius:999px;color:var(--ink-2);font-size:12.5px;font-weight:600}
.map-stats span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.map-stats-dot{width:8px;height:8px;border-radius:50%;background:var(--dim);flex:none}
.map-stats.active .map-stats-dot{background:var(--route);box-shadow:0 0 0 3px color-mix(in srgb,var(--route) 22%,transparent)}
.map-hud{right:12px;top:12px;display:flex;align-items:center;padding:3px;border-radius:12px}
.map-hud button{width:36px;height:36px;display:grid;place-items:center;border:0;border-radius:9px;background:transparent;color:var(--ink-2)}
.map-hud button:hover{background:var(--panel-3);color:var(--accent)}
.hud-sep{width:1px;height:20px;margin:0 3px;background:var(--line)}
.map-legend{right:12px;bottom:30px;display:flex;align-items:center;gap:14px;min-height:34px;padding:0 12px;border-radius:10px;color:var(--ink-2);font-size:12px}
.map-legend>span{display:inline-flex;align-items:center;gap:7px}
.legend-line{width:20px;height:0;border-top:3px solid var(--route);border-radius:2px;box-shadow:0 0 0 1.5px #fff}
.legend-ring{width:12px;height:12px;border:2px dashed var(--teal);border-radius:50%}
.map-interaction-toggle{left:50%;bottom:20px;transform:translateX(-50%);display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 16px;border-radius:999px;color:var(--ink);font-weight:700;font-size:13px}
.map-interaction-toggle[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- 侧栏 ---------- */
.side-panel{display:flex;flex-direction:column;height:var(--work-h)}
.side-tabs{flex:none;display:flex;gap:4px;padding:6px;margin:10px 10px 0;border-radius:12px;background:var(--panel-3)}
.tab{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:0 8px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:13px;font-weight:650;transition:background .15s,color .15s}
.tab svg{width:16px;height:16px}
.tab:hover{color:var(--ink)}
.tab.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.tab.active svg{color:var(--accent)}
.tab-count{min-width:20px;height:20px;padding:0 6px;display:inline-grid;place-items:center;border-radius:999px;background:rgba(17,26,43,.07);color:var(--muted);font:700 11px var(--mono)}
.tab.active .tab-count{background:var(--accent-soft);color:var(--accent-ink)}
.tab-count:empty,.tab-count[data-zero]{display:none}
.tab-content{flex:1;min-height:0;overflow:auto;padding:12px;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}

/* 空状态 */
.empty-state{padding:22px 8px 8px;text-align:center;color:var(--muted)}
.empty-illus{width:68px;height:68px;margin:0 auto 14px;display:grid;place-items:center;border-radius:20px;background:linear-gradient(145deg,var(--accent-soft),#fff);border:1px solid #f4dcc2;color:var(--accent)}
.empty-illus svg{width:34px;height:34px}
.empty-state strong{display:block;color:var(--ink);font-size:16px;font-weight:700}
.empty-state p{max-width:300px;margin:8px auto 0;font-size:13px;line-height:1.6}
.example-list{display:grid;gap:8px;margin-top:20px;text-align:left}
.example-card{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:12px;width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;text-align:left;transition:border-color .15s,box-shadow .15s,transform .15s}
.example-card:hover{border-color:#efc9a1;box-shadow:var(--shadow);transform:translateY(-1px)}
.example-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--panel-3);color:var(--accent)}
.example-card.ring .example-icon{color:var(--teal);background:var(--teal-soft)}
.example-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.example-code{color:var(--ink);font:700 13.5px var(--mono)}
.example-desc{color:var(--muted);font-size:12px}
.example-go{color:var(--dim)}
.example-card:hover .example-go{color:var(--accent)}
.syntax-help{margin-top:18px;padding:12px 14px;border-radius:12px;background:var(--panel-2);text-align:left;font-size:12px;line-height:1.75}
.syntax-help b{color:var(--ink-2)}
.syntax-help code{padding:1px 5px;border-radius:5px;background:#fff;border:1px solid var(--line);color:var(--ink);font:600 11.5px var(--mono)}

/* 汇总 */
.summary{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:8px;margin-bottom:12px}
.stat{padding:11px 12px;border-radius:12px;background:var(--panel-2);border:1px solid var(--line)}
.stat-main{background:linear-gradient(145deg,#fff7ee,#fdeedd);border-color:#f3d7b8}
.stat-label{display:block;color:var(--muted);font-size:11.5px;font-weight:600}
.stat-value{display:block;margin-top:3px;color:var(--ink);font:750 20px/1.15 var(--sans);font-variant-numeric:tabular-nums;letter-spacing:-.02em;white-space:nowrap}
.stat-main .stat-value{color:var(--accent-ink)}
.stat-value small{font-size:12px;font-weight:650;color:var(--muted);margin-left:2px}
.stat-alt{display:block;margin-top:2px;color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}

/* 航线卡片 + 行程时间线 */
.route-card{margin-bottom:12px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
.route-card-head{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px 12px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.route-title{display:flex;align-items:center;gap:7px;font:750 15px var(--mono);letter-spacing:.02em}
.route-title svg{width:14px;height:14px;color:var(--dim)}
.route-meta{grid-column:1;color:var(--muted);font-size:12px}
.route-total{grid-row:1/3;grid-column:2;color:var(--accent-ink);font:750 16px var(--sans);font-variant-numeric:tabular-nums;white-space:nowrap}
.itinerary{list-style:none;margin:0;padding:6px 14px 10px}
.stop{position:relative;display:flex;align-items:center;gap:12px;min-height:40px}
.stop-dot{position:relative;z-index:1;width:14px;height:14px;margin-left:3px;border-radius:50%;background:#fff;border:3px solid var(--route);flex:none}
.stop.endpoint .stop-dot{background:var(--route)}
.stop-button{flex:1;min-width:0;display:flex;align-items:baseline;gap:9px;padding:6px 8px;margin-left:-6px;border:0;border-radius:8px;background:transparent;text-align:left}
.stop-button:hover{background:var(--panel-3)}
.stop-code{font:750 14px var(--mono);color:var(--ink);letter-spacing:.02em}
.stop-city{min-width:0;color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.leg{position:relative;padding:2px 0 2px 32px}
.leg::before{content:"";position:absolute;left:9px;top:-12px;bottom:-12px;border-left:2px dashed color-mix(in srgb,var(--route) 55%,#fff)}
.leg-button{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 10px;padding:9px 10px;border:1px solid var(--line);border-radius:10px;background:var(--panel-2);text-align:left;transition:border-color .15s,background .15s}
.leg-button:hover{border-color:var(--line-strong);background:#fff}
.leg-dist{color:var(--ink);font:700 13.5px var(--sans);font-variant-numeric:tabular-nums}
.leg-dist small{color:var(--muted);font-weight:600;margin-left:6px}
.leg-bearing{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap}
.leg-bearing svg{width:14px;height:14px;color:var(--teal);transition:transform .2s}
.leg-bar{grid-column:1/-1;height:4px;border-radius:4px;background:var(--panel-3);overflow:hidden}
.leg-bar i{display:block;height:100%;border-radius:4px;background:color-mix(in srgb,var(--route) 75%,#fff)}
.ring-card{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:12px;margin-bottom:12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff}
.ring-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:11px;background:var(--teal-soft);color:var(--teal)}
.ring-icon svg{width:22px;height:22px}
.ring-title{font-weight:700;font-size:14px}
.ring-sub{color:var(--muted);font-size:12px;margin-top:2px}
.ring-radius{color:var(--teal);font:750 15px var(--sans);font-variant-numeric:tabular-nums;white-space:nowrap}

/* 机场卡片 */
.airport-card{width:100%;display:block;margin-bottom:10px;padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;text-align:left;transition:border-color .15s,box-shadow .15s}
.airport-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.ap-head{display:flex;align-items:center;gap:10px}
.ap-code{min-width:52px;height:30px;padding:0 8px;display:grid;place-items:center;border-radius:8px;background:var(--accent-soft);color:var(--accent-ink);font:750 14px var(--mono);letter-spacing:.03em}
.ap-city{min-width:0;flex:1;font-weight:700;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ap-name{margin:7px 0 10px;color:var(--muted);font-size:12.5px;line-height:1.45}
.ap-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;margin:0}
.ap-meta div{min-width:0}
.ap-meta dt{color:var(--dim);font-size:11px;font-weight:600}
.ap-meta dd{margin:1px 0 0;color:var(--ink-2);font-size:12.5px;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 设置 */
.settings-pane{padding:16px}
.settings-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.settings-heading h2{margin:0;font-size:15px}
.setting{display:flex;flex-direction:column;gap:10px;margin-bottom:12px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff}
.setting-row{display:flex;align-items:center;justify-content:space-between}
.setting-label{color:var(--ink-2);font-size:13px;font-weight:650}
.setting output{color:var(--muted);font:650 12px var(--mono)}
.segmented{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:10px;background:var(--panel-3)}
.segmented button{min-height:34px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:13px;font-weight:650}
.segmented button[aria-checked="true"]{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.setting input[type=range]{width:100%;accent-color:var(--route);margin:0}
.swatches{display:flex;flex-wrap:wrap;gap:8px}
.swatch{position:relative;width:30px;height:30px;padding:0;border:0;border-radius:50%;background:var(--c);box-shadow:inset 0 0 0 1px rgba(0,0,0,.12);cursor:pointer}
.swatch[aria-pressed="true"]{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--c)}
.swatch-custom{background:conic-gradient(#e5484d,#f5a524,#46a758,#0090ff,#8e4ec6,#e5484d);overflow:hidden}
.swatch-custom input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.swatch-custom[aria-pressed="true"]{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--ink-2)}
.setting-switch{flex-direction:row;align-items:center;justify-content:space-between;cursor:pointer}
.setting-switch input{appearance:none;-webkit-appearance:none;position:relative;width:40px;height:24px;margin:0;border-radius:999px;background:var(--line-strong);cursor:pointer;transition:background .15s}
.setting-switch input::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:transform .15s}
.setting-switch input:checked{background:var(--route)}
.setting-switch input:checked::after{transform:translateX(16px)}
.settings-note{margin:4px 2px 0;color:var(--muted);font-size:12px;line-height:1.6}

/* ---------- 页脚 / 提示 ---------- */
footer{display:flex;justify-content:space-between;gap:20px;padding:16px 4px 0;color:var(--dim);font-size:11.5px}
.toast-region{position:fixed;left:50%;bottom:max(22px,env(safe-area-inset-bottom));z-index:2000;transform:translateX(-50%);max-width:min(420px,calc(100vw - 32px));padding:0;pointer-events:none}
.toast-region:not(:empty){padding:11px 16px;border-radius:12px;background:var(--ink);color:#fff;box-shadow:var(--shadow-float);font-size:13px;font-weight:550;animation:toast-in .2s ease-out}
@keyframes toast-in{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

/* ---------- MapLibre ---------- */
.maplibregl-map{font:12px var(--sans)}
.maplibregl-canvas-container.maplibregl-interactive{cursor:grab}
.maplibregl-canvas-container.maplibregl-interactive:active{cursor:grabbing}
.maplibregl-ctrl-attrib{background:rgba(255,255,255,.85)!important;color:#5b6679!important;font-size:10.5px}
.maplibregl-popup-content{padding:12px 14px!important;border-radius:12px!important;box-shadow:var(--shadow-float)!important;font:12.5px/1.5 var(--sans);color:var(--ink)}
.maplibregl-popup-close-button{width:26px;height:26px;font-size:18px;color:var(--muted);border-radius:0 12px 0 8px}
.popup-code{display:inline-block;margin-right:6px;padding:1px 7px;border-radius:6px;background:var(--accent-soft);color:var(--accent-ink);font:750 13px var(--mono)}
.popup-city{font-weight:700}
.popup-name{margin-top:4px;color:var(--muted)}
.map-unavailable{background:repeating-linear-gradient(45deg,#eef2f6,#eef2f6 10px,#e4eaf0 10px,#e4eaf0 20px)}
.map-unavailable::after{content:"⚠";position:absolute;inset:0;display:grid;place-items:center;font-size:40px;color:#94a6b8}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){.workspace-grid{grid-template-columns:minmax(0,1fr) 360px}.summary{grid-template-columns:1fr 1fr}.stat-main{grid-column:1/-1}}
@media(max-width:900px){
  .workspace-grid{grid-template-columns:1fr}
  .map-panel{height:min(62vh,560px);min-height:380px}
  .side-panel{height:auto}
  .tab-content{overflow:visible}
  .summary{grid-template-columns:1.5fr 1fr 1fr}.stat-main{grid-column:auto}
}
@media(max-width:600px){
  :root{--topbar-h:56px}
  .topbar{height:calc(var(--topbar-h) + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(12px,env(safe-area-inset-right)) 0 max(12px,env(safe-area-inset-left))}
  .brand-text small{display:none}
  .top-actions{gap:2px}
  .ghost-button,.primary-button.compact{min-width:40px;min-height:40px;padding:0 10px}
  #copyLabel,#exportLabel{display:none}
  #exportButton{display:none}
  .app-shell{padding:12px max(10px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}
  .query-card{padding:8px;margin-bottom:10px}
  .query-line{flex-direction:column;gap:8px}
  .query-kbd{display:none}
  .draw-button{width:100%}
  .query-footer{flex-direction:column;align-items:flex-start;gap:8px}
  #queryStatus{max-width:100%}
  .suggestions{left:8px;right:8px}
  .suggestion{grid-template-columns:48px 1fr}
  .sg-country{display:none}
  .workspace-grid{gap:10px}
  .map-panel{height:58vh;min-height:360px}
  #queryHint{flex-wrap:nowrap;overflow-x:auto;max-width:100%;padding-bottom:2px;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent)}
  #queryHint::-webkit-scrollbar{display:none}
  #queryHint>*{flex:none}
  .map-stats{max-width:calc(100% - 70px);font-size:12px;min-height:34px;padding:0 11px}
  .map-hud{right:8px;top:8px;flex-direction:column}
  .map-hud button{width:40px;height:40px}
  .hud-sep{width:20px;height:1px;margin:3px 0}
  .map-stats{left:8px;top:8px}
  .map-legend{display:none}
  .map-interaction-toggle{bottom:16px}
  .summary{grid-template-columns:1fr 1fr}.stat-main{grid-column:1/-1}
  footer{flex-direction:column;gap:4px;line-height:1.6}
}
@media(max-width:380px){.brand-text strong{font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}