:root{
  --bg:#F3F5F8;--ink:#191C22;--mute:#687080;--faint:#A9B0BC;--rule:#E1E5EB;
  --card:#FFFFFF;--st:#FFFFFF;--glass:rgba(255,255,255,.82);--shadow:0 1px 2px rgba(20,28,40,.06),0 8px 28px rgba(20,28,40,.10);
  --sheetw:420px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0E1218;--ink:#E8EBF0;--mute:#8C95A5;--faint:#4D5563;--rule:#232A35;
  --card:#161B23;--st:#0E1218;--glass:rgba(22,27,35,.82);--shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.4);
  color-scheme:dark;
}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--ink);
  font-family:'Pretendard Variable',Pretendard,-apple-system,'Apple SD Gothic Neo',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;font-feature-settings:'ss06'}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
svg{display:block}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

/* 지도 */
#stage{position:fixed;inset:0;touch-action:none;cursor:grab;user-select:none;-webkit-user-select:none}
#stage.drag{cursor:grabbing}
#map{width:100%;height:100%}
.ln{fill:none;stroke:var(--c);stroke-linecap:round;stroke-linejoin:round}
.ln-casing{fill:none;stroke:var(--bg);stroke-linecap:round;stroke-linejoin:round}
.dot{fill:var(--st);stroke:var(--c)}
@media (prefers-color-scheme:dark){.dot{stroke:var(--cd)}}
.st.x .dot{stroke:var(--ink)}
.st.on .dot{fill:var(--c)}
.st.x.on .dot{fill:var(--st)}
.st.x .seen{fill:var(--ink);opacity:0}
.st.x.on .seen{opacity:1}
.st{cursor:pointer}
.hit{fill:transparent}
.lbl{fill:var(--ink);font-weight:640;letter-spacing:-.01em;paint-order:stroke;stroke:var(--bg);stroke-linejoin:round}
.lbl .num{fill:var(--mute);font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:0}
.roundel circle{fill:var(--c)}
.roundel text{fill:#fff;font-weight:800;text-anchor:middle;dominant-baseline:central}
.legend .t1{fill:var(--ink);font-weight:850;letter-spacing:-.04em}
.legend .t2{fill:var(--mute);font-weight:500}
.legend .ln-name{fill:var(--ink);font-weight:650}
.legend .by{fill:var(--faint);font-weight:500}
.train rect{fill:var(--c);stroke:var(--st)}
@media (prefers-color-scheme:dark){.ln{stroke:var(--cd)}.roundel circle,.train rect{fill:var(--cd)}.st.on .dot{fill:var(--cd)}.st.x.on .dot{fill:var(--st)}}
/* 한 노선 보기 */
#cam.focus .ln,#cam.focus .ln-casing,#cam.focus .roundel{opacity:.12;transition:opacity .25s}
#cam.focus .st,#cam.focus .lbl{opacity:.18;transition:opacity .25s}
#cam.focus .ln.f,#cam.focus .ln-casing.f,#cam.focus .roundel.f,#cam.focus .st.f,#cam.focus .lbl.f{opacity:1}
.st.sel .dot{stroke-width:var(--selw)}
.pulse{fill:none;stroke:var(--ink);opacity:0}
.pulse.go{animation:pulse 1.4s ease-out 2}
@keyframes pulse{0%{opacity:.55;transform:scale(.6)}100%{opacity:0;transform:scale(2.2)}}

/* 위쪽 바 */
.bar{position:fixed;top:max(12px,env(safe-area-inset-top));left:12px;right:12px;display:flex;gap:8px;align-items:center;z-index:5;max-width:520px;pointer-events:none}
.bar>*{pointer-events:auto}
.mark{width:44px;height:44px;flex:none;border-radius:14px;background:var(--glass);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);box-shadow:var(--shadow);display:grid;place-items:center}
.mark svg{width:26px;height:26px;fill:none;stroke-linecap:round;stroke-linejoin:round}
.mark .m1{stroke:#2F55DE;stroke-width:4}
.mark .m2{stroke:#EC7A12;stroke-width:4}
.mark .m0{fill:var(--st);stroke:var(--ink);stroke-width:2.2}
.find{flex:1;min-width:0;height:44px;display:flex;align-items:center;gap:8px;padding:0 12px 0 13px;border-radius:14px;background:var(--glass);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);box-shadow:var(--shadow)}
.find svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--mute);stroke-width:2;stroke-linecap:round}
.find input{flex:1;min-width:0;width:100%;border:0;outline:0;background:none;font:inherit;font-size:16px;color:var(--ink);font-weight:500}
.find input::placeholder{color:var(--mute);font-weight:450}
.find input::-webkit-search-cancel-button{display:none}
.slash{font:inherit;font-size:12px;color:var(--mute);border:1px solid var(--rule);border-radius:6px;padding:1px 6px}
@media (hover:none){.slash{display:none}}
.hits{position:absolute;top:52px;left:52px;right:0;margin:0;padding:6px;list-style:none;background:var(--card);border-radius:14px;box-shadow:var(--shadow);max-height:min(60vh,420px);overflow:auto}
.hits li{display:flex;align-items:center;gap:10px;padding:10px 10px;border-radius:9px;cursor:pointer}
.hits li[aria-selected=true],.hits li:hover{background:color-mix(in srgb,var(--ink) 6%,transparent)}
.hits .rs{display:flex;gap:3px;flex:none}
.hits .nm{font-weight:650;font-size:15px}
.hits .ar{margin-left:auto;color:var(--mute);font-size:13px;font-variant-numeric:tabular-nums;text-align:right}
.hits .empty{color:var(--mute);cursor:default;font-size:14px}
.rd{width:20px;height:20px;border-radius:50%;display:inline-grid;place-items:center;color:#fff;font-weight:800;font-size:11.5px;background:var(--c);flex:none}
@media (prefers-color-scheme:dark){.rd{background:var(--cd)}}

/* 도구 */
.tools{transition:right .34s cubic-bezier(.2,.8,.2,1);position:fixed;right:12px;top:max(12px,env(safe-area-inset-top));display:flex;flex-direction:column;gap:1px;z-index:4;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);background:var(--rule)}
.tools button{width:44px;height:44px;display:grid;place-items:center;background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.tools svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:640px){.tools{top:auto;bottom:calc(76px + env(safe-area-inset-bottom))}.tools #zin,.tools #zout,.tools #print{display:none}}

/* 노선 칩 */
.lines{position:fixed;left:0;right:0;bottom:0;z-index:3;display:flex;gap:6px;padding:10px 12px calc(12px + env(safe-area-inset-bottom));overflow-x:auto;scrollbar-width:none;
  mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent)}
.lines::-webkit-scrollbar{display:none}
.chip{flex:none;display:flex;align-items:center;gap:7px;height:40px;padding:0 13px 0 9px;border-radius:999px;background:var(--glass);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);box-shadow:var(--shadow);font-size:14px;font-weight:650;white-space:nowrap}
.chip .cnt{color:var(--mute);font-weight:500;font-size:12.5px;font-variant-numeric:tabular-nums}
.chip[aria-pressed=true]{background:var(--c);color:#fff}
@media (prefers-color-scheme:dark){.chip[aria-pressed=true]{background:var(--cd);color:#0E1218}.chip[aria-pressed=true] .rd{background:#0E1218;color:var(--cd)}}
.chip[aria-pressed=true] .cnt{color:rgba(255,255,255,.8)}
.chip[aria-pressed=true] .rd{background:#fff;color:var(--c)}
@media (min-width:900px){.lines{left:50%;right:auto;transform:translateX(-50%);bottom:16px;padding:0;mask-image:none;overflow:visible;gap:6px}.chip{height:36px;font-size:13.5px;padding:0 12px 0 8px}.chip .rd{width:19px;height:19px;font-size:11px}}
@media (min-width:900px){.sheet-on .lines{left:calc((100% - var(--sheetw) - 24px)/2)}}

/* 역명판 시트 */
.sheet{position:fixed;z-index:10;background:var(--card);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;
  left:0;right:0;bottom:0;max-height:min(64vh,640px);border-radius:22px 22px 0 0;transform:translateY(105%);transition:transform .34s cubic-bezier(.2,.8,.2,1);padding-bottom:env(safe-area-inset-bottom)}
.sheet.open{transform:none}
.sheet.dragging{transition:none}
@media (min-width:900px){.sheet{left:auto;top:12px;right:12px;bottom:12px;width:var(--sheetw);max-height:none;border-radius:22px;transform:translateX(calc(100% + 24px))}}
@media (min-width:900px){.sheet-on .tools{right:calc(var(--sheetw) + 24px)}}
.grip{width:38px;height:4px;border-radius:2px;background:var(--rule);margin:8px auto 0;flex:none}
@media (min-width:900px){.grip{display:none}}
.close{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:color-mix(in srgb,var(--ink) 6%,transparent)}
.close svg{width:16px;height:16px;fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.sign{padding:14px 22px 16px;flex:none}
.sign .who{display:flex;gap:5px;align-items:center;min-height:24px}
.sign .who button{border-radius:50%}
.sign .who .rd{width:24px;height:24px;font-size:13px}
.sign .who button[aria-pressed=false] .rd{opacity:.35}
.sign .who .x{margin-left:4px;font-size:13px;color:var(--mute);font-weight:550}
.sign h2{margin:10px 0 0;font-size:34px;line-height:1.12;font-weight:820;letter-spacing:-.035em;word-break:keep-all}
.sign h2 .alt{display:block;font-size:20px;font-weight:650;color:var(--mute);letter-spacing:-.02em;margin-top:4px}
.sign .art{margin-top:6px;color:var(--mute);font-size:14px;font-variant-numeric:tabular-nums}
.band{flex:none;display:grid;grid-template-columns:1fr auto 1fr;align-items:stretch;background:var(--c);color:#fff;min-height:48px}
@media (prefers-color-scheme:dark){.band{background:var(--cd);color:#0E1218}}
.band button,.band span{display:flex;align-items:center;gap:6px;padding:0 16px;font-weight:700;font-size:15px;min-width:0;letter-spacing:-.01em}
.band .nx{justify-content:flex-end;text-align:right}
.band .lnm{justify-content:center;font-size:12.5px;font-weight:600;opacity:.85;padding:0 6px;white-space:nowrap}
.band .end{opacity:.6;font-weight:500;font-size:13px}
.band svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.band .t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.band button:active{background:rgba(0,0,0,.12)}
.body{overflow:auto;padding:6px 22px 22px;overscroll-behavior:contain}
.note{margin:16px 0 4px;padding:14px 16px;border-radius:14px;background:color-mix(in srgb,var(--ink) 4.5%,transparent);font-size:14.5px;line-height:1.65;word-break:keep-all}
.note b{display:block;font-size:12.5px;color:var(--mute);font-weight:600;margin-bottom:4px}
.law{margin-top:18px}
.law h3{margin:0 0 8px;font-size:16.5px;font-weight:750;letter-spacing:-.015em;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.law h3 .k{font-variant-numeric:tabular-nums}
.law h3 .tt{font-weight:600;color:var(--mute);font-size:15px}
.law p{margin:0 0 7px;font-size:15px;line-height:1.72;word-break:keep-all}
.law p.l1{padding-left:14px}
.law p.l2{padding-left:28px}
.law .r{font-size:12.5px;color:var(--mute);line-height:1.6;margin-top:4px}
.acts{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}
.acts a{display:inline-flex;align-items:center;gap:7px;height:42px;padding:0 15px;border-radius:12px;background:var(--ink);color:var(--card);text-decoration:none;font-weight:650;font-size:14.5px}
.acts a.sub{background:color-mix(in srgb,var(--ink) 7%,transparent);color:var(--ink)}
.acts svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.src{margin-top:18px;font-size:12px;color:var(--mute);line-height:1.6}

.toast{position:fixed;left:50%;top:calc(70px + env(safe-area-inset-top));transform:translate(-50%,-8px);opacity:0;pointer-events:none;background:var(--ink);color:var(--card);padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;transition:.25s;z-index:20;white-space:nowrap}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* 포스터 인쇄 */
@page{size:A3 landscape;margin:10mm}
@media print{
  :root{--bg:#fff;--ink:#191C22;--mute:#687080;--faint:#A9B0BC;--st:#fff;color-scheme:light}
  .ln{stroke:var(--c)!important}.roundel circle{fill:var(--c)!important}.st.on .dot{fill:var(--st)!important}.st .dot{stroke:var(--c)!important}.st.x .dot{stroke:var(--ink)!important}.st.x .seen{opacity:0!important}.pulse,.train{display:none}
  html,body{overflow:visible;background:#fff;height:auto}
  .bar,.tools,.lines,.sheet,.toast{display:none!important}
  #stage{position:static;width:100%;height:auto}
  #map{width:100%;height:auto}
}