:root{color-scheme:light;--ink: #161619;--muted: #746f66;--paper: #f5f1e8;--card: #fffdf8;--line: #d9d4ca;--accent: #f08c4a;--accent-dark: #d96a2a;--green: #b8d65a;--shadow: 0 22px 60px rgba(40, 35, 25, .12)}*{box-sizing:border-box}html{min-width:320px;overflow-x:hidden;background:var(--paper)}body{min-height:100vh;min-height:100dvh;margin:0;overflow-x:hidden;color:var(--ink);background:var(--paper);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,system-ui,sans-serif;-webkit-font-smoothing:antialiased}body.dark{color-scheme:dark;--ink: #f2efe7;--muted: #aaa69d;--paper: #171719;--card: #222225;--line: #3a393d;--shadow: 0 22px 60px rgba(0, 0, 0, .3)}button,input{font:inherit}button{color:inherit;cursor:pointer}button:focus-visible,input:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.mobile-typing-input{position:fixed;z-index:-1;left:50%;bottom:72px;width:min(420px,70vw);height:2px;padding:0;border:0;opacity:0;pointer-events:none;transform:translate(-50%)}.screen-reader-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-shell{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}main{flex:1}.topbar{position:relative;z-index:20;height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,72px);border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:12px;padding:0;border:0;color:inherit;background:none;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:15px;font-weight:800;letter-spacing:.07em}.top-actions{display:flex;gap:8px}.icon-button{width:42px;height:42px;display:grid;place-items:center;padding:0;border:1px solid var(--line);border-radius:50%;background:var(--card);line-height:1}.icon-button:hover{transform:translateY(-1px);border-color:var(--ink)}.home-map-screen{position:relative;min-height:calc(100vh - 74px);min-height:calc(100dvh - 74px);overflow:hidden;background:radial-gradient(circle at 65% 38%,rgba(240,140,74,.09),transparent 34%),linear-gradient(145deg,#faf8f2 0%,var(--paper) 62%,#efebe1 100%)}body.dark .home-map-screen{background:radial-gradient(circle at 65% 38%,rgba(240,140,74,.12),transparent 35%),#171719}.metro-map{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;color:var(--ink)}.map-grid{color:var(--ink)}.city-shape{fill:color-mix(in srgb,var(--card) 92%,#e9e5db);stroke:#bbb7ae;stroke-width:1.7;vector-effect:non-scaling-stroke;filter:drop-shadow(0 18px 20px rgba(57,53,44,.1))}body.dark .city-shape{fill:#232326;stroke:#55525a}.home-route{cursor:pointer;outline:none;transition:opacity .25s ease}.home-route.muted{opacity:.16}.home-route.selected{opacity:1}.route-hit,.route-casing,.route-line,.map-progress{fill:none;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.route-hit{stroke:transparent;stroke-width:24}.route-casing{stroke:#fffffff2;stroke-width:10}body.dark .route-casing{stroke:#08080aeb}.route-line{stroke-width:5.5;transition:stroke-width .18s ease}.route-line.selected,.home-route:hover .route-line{stroke-width:9}.route-node{fill:#fff;stroke:#292725;stroke-width:1.5;vector-effect:non-scaling-stroke}body.dark .route-node{fill:#202024;stroke:#a8a59e}.home-copy{position:absolute;z-index:4;left:clamp(28px,6vw,96px);top:clamp(58px,10vh,112px);width:min(500px,42vw);transition:opacity .35s ease,transform .5s ease}.eyebrow{display:flex;align-items:center;gap:12px;color:var(--accent-dark);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;font-weight:800;letter-spacing:.14em}.eyebrow span{width:38px;height:3px;background:var(--accent)}h1,h2,p{margin-top:0}h1{max-width:900px;margin:24px 0 18px;font-size:clamp(54px,6.8vw,96px);line-height:.98;letter-spacing:-.045em;font-weight:900}h1 em{color:var(--accent);font-style:normal}.lede{max-width:660px;margin:0 0 24px;color:var(--muted);font-size:clamp(15px,1.45vw,19px);line-height:1.8}.city-switch{display:inline-flex;gap:6px;padding:6px;border:1px solid var(--line);border-radius:999px;background:#fffdf8b8}.city-switch button{min-width:70px;min-height:34px;border:0;border-radius:999px;background:transparent;font-weight:900}.city-switch button.selected{color:#fff;background:var(--ink)}.map-reset{position:absolute;z-index:8;left:clamp(18px,4vw,58px);top:24px;display:inline-flex;align-items:center;gap:7px;padding:12px 15px;border:1px solid var(--line);border-radius:12px;background:#fffdf8eb;box-shadow:0 8px 24px #28231914;line-height:1}body.dark .map-reset,body.dark .route-focus-card,body.dark .focus-actions,body.dark .route-button{background:#222225f0}kbd{padding:2px 6px;border:1px solid #c8c5bd;border-radius:5px;background:#ffffffb3;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;font-weight:600}.route-focus-card{position:absolute;z-index:6;left:50%;top:24px;transform:translate(-50%);min-width:min(470px,calc(100vw - 170px));padding:16px 24px;border:2px solid var(--ink);border-radius:18px;background:#fffdf8f0;box-shadow:var(--shadow)}.focus-kicker{display:block;margin-bottom:8px;color:var(--muted);text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:9px;font-weight:800;letter-spacing:.17em}.focus-route-title{display:flex;align-items:center;justify-content:center;gap:13px}.focus-route-title h2{margin:0;font-size:25px;line-height:1.1}.focus-route-title p{margin:2px 0 0;color:var(--muted);font-size:11px}.focus-line-code,.route-symbol{display:grid;place-items:center;border-radius:50%;background:#fff;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;font-weight:800}.focus-line-code{width:42px;height:42px;border:4px solid currentColor}.home-control-deck{position:absolute;z-index:7;left:50%;bottom:24px;width:min(1120px,calc(100% - 40px));transform:translate(-50%)}.route-carousel{display:flex;gap:9px;padding:12px;overflow-x:auto;scrollbar-width:none}.route-carousel::-webkit-scrollbar{display:none}.route-button{--route: var(--accent);flex:0 0 auto;min-width:160px;min-height:62px;display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid color-mix(in srgb,var(--route) 38%,var(--line));border-radius:15px;background:#fffdf8eb;box-shadow:0 9px 26px #2c271c14;text-align:left;transition:.18s ease}.route-button:hover{transform:translateY(-2px);border-color:var(--route)}.route-button.selected{color:#fff;border-color:var(--route);background:var(--route);transform:translateY(-7px)}.route-symbol{width:34px;height:34px;flex:0 0 auto;border:3px solid var(--route);color:var(--route)}.route-button.selected .route-symbol{border-color:#fff;color:var(--route)}.route-button strong,.route-button small{display:block}.route-button strong{font-size:13px;white-space:nowrap}.route-button small{margin-top:2px;color:var(--muted);font-size:9px}.route-button.selected small{color:#ffffffc7}.focus-actions{width:min(760px,100%);margin:0 auto;padding:12px;border:1px solid var(--line);border-radius:22px;background:#fffdf8f0;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.direction-picker,.option-toolbar,.segmented-control,.direction-options,.segmented-options{display:flex;align-items:center}.direction-picker{gap:10px;margin-bottom:10px}.control-label{flex:0 0 auto;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:9px;font-weight:800;letter-spacing:.08em}.direction-options{flex:1;gap:6px}.direction-option{flex:1;min-width:0;min-height:48px;display:flex;align-items:center;padding:6px 12px;border:1px solid var(--line);border-radius:11px;background:color-mix(in srgb,var(--card) 76%,transparent)}.direction-option input,.segment-option input{position:absolute;opacity:0;pointer-events:none}.direction-option.selected{border-color:var(--focus-color);background:color-mix(in srgb,var(--focus-color) 10%,var(--card));box-shadow:inset 0 0 0 1px var(--focus-color)}.direction-option>span{min-width:0;display:grid;gap:1px}.direction-option small{overflow:hidden;color:var(--muted);font-size:9px;text-overflow:ellipsis;white-space:nowrap}.direction-option b{overflow:hidden;font-size:13px;text-overflow:ellipsis;white-space:nowrap}.option-toolbar{gap:10px}.segmented-control{min-width:0;gap:7px}.segmented-options{flex:1;gap:3px;padding:3px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--paper) 52%,transparent)}.segment-option{min-width:60px;min-height:36px;display:flex;align-items:center;justify-content:center;padding:0 14px;border-radius:9px;font-size:12px;font-weight:900;white-space:nowrap}.segment-option.selected{background:color-mix(in srgb,var(--focus-color) 22%,var(--card));box-shadow:inset 0 0 0 1px var(--focus-color)}.start-button,.secondary-button{border-radius:16px;font-weight:900}.start-button{min-height:58px;display:flex;align-items:center;justify-content:center;gap:14px;padding:0 12px 0 24px;color:#fff;border:0;background:var(--ink)}.focus-actions .start-button{flex:1;min-width:176px;min-height:44px;border-radius:12px;background:var(--focus-color)}.start-button b{display:grid;width:40px;height:40px;place-items:center;border-radius:50%;color:var(--ink);background:color-mix(in srgb,#fff 78%,var(--focus-color, #fff));font-size:22px;line-height:1}.game{--active-route: var(--accent);--game-card-height: 220px;position:relative;min-height:100vh;min-height:100dvh;overflow:hidden;background:#efeee8}body.dark 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linear}.station-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:center;gap:20px;padding:8px 24px 0;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;font-weight:600}.station-meta span:first-child{color:var(--active-route);font-weight:900}.station-meta span:last-child{min-width:0;overflow:hidden;text-align:right;white-space:nowrap;text-overflow:ellipsis}.station-main{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:8px 24px 30px}.station-main p{margin:0 0 7px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;font-weight:700;letter-spacing:.14em}.station-main h2{margin:0;font-size:clamp(38px,5vw,58px);line-height:1;letter-spacing:-.04em;white-space:nowrap}.next-station{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 12px;text-align:right}.next-station span{grid-column:1;color:var(--muted);font-size:11px}.next-station strong{grid-column:1;font-size:17px}.next-station b{grid-column:2;grid-row:1 / 3;width:32px;height:32px;display:grid;place-items:center;color:var(--active-route);font-size:32px;line-height:1}.typing-area{position:relative;min-height:0;display:grid;border-top:1px solid var(--line)}.typing-target{min-height:0;display:flex;align-items:center;justify-content:center;flex-wrap:nowrap;padding:6px 24px 8px;overflow:hidden;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:clamp(24px,4vw,36px);font-weight:700;letter-spacing:.025em;white-space:nowrap}.typing-target span{color:#b6b2aa}.typing-target .typed{color:var(--ink)}.typing-target 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8px;font-size:clamp(32px,5vw,52px)}.result-card>p{color:var(--muted)}.result-metrics{display:grid;grid-template-columns:repeat(3,1fr);margin:34px 0;border-block:1px solid var(--line)}.result-metrics div{padding:24px 10px;border-right:1px solid var(--line)}.result-metrics div:last-child{border:0}.result-metrics strong,.result-metrics span{display:block}.result-metrics strong{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:36px;font-weight:600}.result-metrics span{color:var(--muted);font-size:11px}.result-actions{display:flex;justify-content:center;gap:12px}.secondary-button{min-height:58px;padding:0 24px;border:1px solid var(--line);background:#fff}body.dark .secondary-button{background:#29292d}footer{display:flex;align-items:center;justify-content:space-between;gap:18px 32px;padding:26px clamp(20px,5vw,72px) 30px;color:var(--muted);border-top:1px solid var(--line);font-size:12px}footer p{margin:0}.footer-brand{display:flex;flex-direction:column;gap:10px;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;font-weight:800;letter-spacing:.14em}.footer-lines{display:flex;gap:5px}.footer-lines i{width:17px;height:4px;border-radius:999px}@keyframes shake{25%{transform:translate(-6px)}75%{transform:translate(6px)}}@keyframes train-pulse{50%{opacity:.24;transform:scale(1.2)}}@media (max-width: 900px){.home-copy{width:min(440px,calc(100% - 48px))}.route-focus-card{top:88px}.scorebar{width:calc(100% - 24px)}.scorebar>div{min-width:0;flex:1;padding:10px 3px}.scorebar strong{font-size:20px}}@media (max-width: 620px){.topbar{height:64px;padding-inline:16px}.brand{font-size:12px;letter-spacing:.04em}.home-map-screen,.results{min-height:max(680px,calc(100svh - 64px))}.home-copy{top:26px;left:20px;right:20px;width:auto}.home-copy h1{max-width:340px;margin:16px 0 14px;font-size:clamp(42px,12.5vw,48px);line-height:1.02}.home-copy h1 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0;min-width:0;min-height:36px;padding-inline:8px}.focus-actions .start-button{grid-column:1 / -1;min-height:50px}.game{--game-card-height: 242px}.game-chrome{top:14px;left:12px;right:12px}.game-chrome kbd{display:none}.route-pill{max-width:48%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.scorebar{bottom:calc(var(--game-card-height) + 26px)}.station-card{bottom:max(10px,env(safe-area-inset-bottom));grid-template-rows:30px 102px 1fr 31px;border-radius:16px}.station-meta{padding-inline:20px}.station-main{padding:10px 20px 24px}.station-main h2{max-width:100%;overflow:hidden;font-size:40px;text-overflow:ellipsis}.next-station{display:none}.typing-target{padding-inline:20px}.result-metrics strong{font-size:27px}.result-actions{flex-direction:column}footer{flex-direction:column;align-items:flex-start;padding:22px 20px 26px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-delay:0ms!important;transition-duration:.01ms!important}}