:root{
  --ground:#F3F4F1; --card:#FFFFFF; --ink:#16191D; --muted:#545A61; --soft:#3D434A;
  --line:#DADDD8; --line2:#ECEEEA; --field:#C7CBC5;
  --free:#1B4FB0; --mid:#D5D8DC; --busy:#F08A3C; --green:#00A84D;
  --sans:'IBM Plex Sans KR','Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --mono:'IBM Plex Mono',Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:#E4E6E2;color:var(--ink);font-family:var(--sans);font-size:14px;-webkit-tap-highlight-color:transparent}
button,select,input,textarea{font-family:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
:focus-visible{outline:3px solid var(--free);outline-offset:2px}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ===== 모바일 셸 ===== */
#root{min-height:100%}
.app{max-width:480px;margin:0 auto;min-height:100vh;min-height:100dvh;background:var(--ground);display:flex;flex-direction:column;position:relative}
.ph-head{padding:calc(18px + env(safe-area-inset-top,0px)) 20px 12px;display:flex;flex-direction:column;gap:6px}
.ph-head h1{margin:0;font-size:22px;font-weight:700;letter-spacing:-.02em;padding-right:48px}
.ph-body{flex:1;padding:0 16px calc(150px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:12px}
.ct-btn{position:absolute;top:calc(14px + env(safe-area-inset-top,0px));right:12px;width:44px;height:44px;border:1px solid var(--line);border-radius:22px;background:#fff;display:flex;align-items:center;justify-content:center;z-index:2}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:5;display:flex;flex-direction:column;align-items:center;pointer-events:none}
.dock > *{pointer-events:auto;width:100%;max-width:480px}
.tabbar{display:flex;background:#fff;border-top:1px solid var(--line);padding:0 4px env(safe-area-inset-bottom,0px)}
.tabbar button{flex:1;position:relative;border:0;background:none;height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--muted)}
.tabbar button[aria-current="page"]{color:var(--ink);font-weight:700}
.tabbar .ind{position:absolute;top:0;width:28px;height:3px;border-radius:0 0 3px 3px}
.tabbar button[aria-current="page"] .ind{background:var(--ink)}
.mini{margin:0 12px 8px;width:calc(100% - 24px)!important;max-width:456px!important;min-height:56px;border:0;border-radius:14px;background:var(--ink);color:#fff;display:flex;align-items:center;gap:12px;padding:8px 14px;text-align:left;font-size:13px;box-shadow:0 4px 14px rgba(22,25,29,.18)}
.mini .d{font-family:var(--mono);font-size:22px;font-weight:600}
.mini .t{flex:1;min-width:0;display:flex;flex-direction:column;font-size:12px;color:#C3C7CC;white-space:nowrap;overflow:hidden}
.mini .t > *{overflow:hidden;text-overflow:ellipsis}

/* ===== 공용 ===== */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}
.dark{background:var(--ink);color:#fff;border-radius:16px;padding:20px}
h2{margin:0;font-size:15px;font-weight:700}
.field{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}
.field label,.lbl{font-size:12px;color:var(--muted)}
select{height:44px;width:100%;border:1px solid var(--field);border-radius:10px;padding:0 8px;font-size:15px;background:#fff}
.iconbtn{width:44px;height:44px;flex:none;border:1px solid var(--field);border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center}
.legend{display:flex;gap:10px;font-size:11px;color:var(--soft);flex-wrap:wrap}
.legend span{display:flex;align-items:center;gap:4px}
.sw{width:10px;height:10px;border-radius:2px;display:inline-block}
.badge{font-size:11px;padding:2px 6px;border-radius:4px;background:var(--line2);color:var(--soft)}
.linebadge{width:28px;height:28px;border-radius:14px;background:var(--green);color:var(--ink);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;font-family:var(--mono)}
.calnote{font-size:11px;font-weight:600;padding:2px 8px;border-radius:10px;background:#E8EDF7;color:#123A85}
.rowbtn{min-height:48px;width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 14px;font-size:14px;text-align:left;text-decoration:none}
.rowbtn > span{display:flex;align-items:center;gap:8px}
.card .rowbtn{border-color:var(--field)}
.btn{height:40px;padding:0 14px;border:1px solid var(--field);border-radius:8px;background:#fff;font-size:13px}

.hours{display:flex;gap:4px;overflow-x:auto;padding-bottom:4px}
.hours.wrap{flex-wrap:wrap;overflow:visible}
.hchip,.now{width:44px;height:56px;flex:none;border:1px solid var(--line);border-radius:10px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;padding:6px 0;font-family:var(--mono);font-size:12px;font-weight:600}
.hchip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.hb{width:14px;border-radius:2px;display:block}
.now{justify-content:center;border-color:var(--free);color:var(--free);font-family:var(--sans);font-size:13px;font-weight:700}

.pills{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 6px}
.pills.wrap{flex-wrap:wrap;overflow:visible;padding:0}
.pill{width:44px;height:44px;flex:none;border-radius:22px;border:3px solid;background:#fff;font-family:var(--mono);font-size:16px;font-weight:600}

.cars{display:flex;gap:4px;align-items:flex-end}
.car{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}
.car .slot{width:100%;display:flex;align-items:flex-end}
.car .bar{width:100%;border-radius:6px 6px 2px 2px}
.car .no{font-family:var(--mono);font-size:12px;font-weight:600}
.car .cls{font-size:11px;color:var(--muted)}

.hrow{width:100%;display:grid;grid-template-columns:44px 1fr 48px;gap:10px;align-items:center;min-height:44px;border:0;border-top:1px solid var(--line2);background:#fff;padding:0 4px;font-size:13px;text-align:left}
.hrow.on{background:var(--ink);color:#fff;border-radius:8px;border-top-color:transparent}
.track{height:8px;background:var(--line2);border-radius:4px;overflow:hidden;display:block}
.hrow.on .track{background:#3D434A}
.track span{display:block;height:8px;border-radius:4px}
.favcard{width:100%;min-height:72px;border:1px solid var(--line);border-radius:16px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px}
.favcard.on{border:2px solid var(--free)}
.favrow{display:flex;gap:8px;align-items:stretch}
.favrow .favcard{flex:1}
.favdel{width:56px;flex:none;border:1px solid var(--line);border-radius:16px;background:#fff;font-size:12px;color:var(--muted)}

/* 정차역 */
.howto{display:flex;flex-direction:column;gap:8px;font-size:12px;line-height:1.6;color:var(--soft)}
.howto .sw{vertical-align:middle;margin:0 2px}
.mtrain{display:grid;grid-template-columns:repeat(10,1fr);gap:3px}
.mtrain span{height:18px;border-radius:3px;display:block}
.mtrain .num{height:auto;text-align:center;font-family:var(--mono);font-size:11px;color:var(--muted)}
.stops{list-style:none;margin:0;padding:12px 14px 12px 6px;background:#fff;border:1px solid var(--line);border-radius:16px}
.srow{display:flex;gap:10px}
.rail{width:20px;flex:none;position:relative;display:flex;justify-content:center}
.rail::before{content:"";position:absolute;top:0;bottom:0;width:4px;background:var(--green);border-radius:2px}
.srow.ends:first-child .rail::before{top:12px}
.rail.last::before{bottom:auto;height:12px}
.node{position:relative;margin-top:6px;width:12px;height:12px;border-radius:6px;background:#fff;border:3px solid var(--green);box-sizing:content-box}
.node.solid{background:var(--green)}
.node.ring{background:#fff;border-color:var(--ink)}
.srow.seat .node{background:#F08A3C;border-color:#F08A3C}
.sbody{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;padding-bottom:16px}
.srow.ends .sbody{padding-bottom:12px}
.sname{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:15px}
.lvl{margin-left:auto;font-size:11px;font-weight:600;padding:2px 8px;border-radius:10px}
.sdesc{font-size:12px;color:var(--soft);line-height:1.5}
.seatnote{font-size:12px;font-weight:700;color:#8A3A0A;background:#FBE3D2;border-radius:6px;padding:4px 8px;align-self:flex-start}

/* 문의 */
.backbtn{align-self:flex-start;height:40px;border:0;background:none;padding:0;font-size:14px;color:var(--muted)}
.ct-form{display:flex;flex-direction:column;gap:12px}
.ctypes{display:flex;flex-wrap:wrap;gap:6px}
.ctype{min-height:40px;padding:0 12px;border:1px solid var(--field);border-radius:20px;background:#fff;font-size:13px}
.ctype[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.ct-attach{display:flex;gap:8px;align-items:flex-start;font-size:13px;line-height:1.5}
.ct-attach input{width:18px;height:18px;margin-top:1px;flex:none}
textarea,.ct-form input[type=email]{width:100%;border:1px solid var(--field);border-radius:10px;padding:10px;font-size:15px;background:#fff}
textarea{resize:vertical;min-height:110px}
.ct-form input[type=email]{height:44px}
.ct-err{font-size:12px;color:#8A3A0A}
.ct-err:empty{display:none}
.primary-btn{min-height:48px;border:0;border-radius:12px;background:var(--ink);color:#fff;font-size:15px;font-weight:700}
.ct-done{display:flex;flex-direction:column;gap:10px}
.toast{position:fixed;left:50%;top:calc(12px + env(safe-area-inset-top,0px));transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:12px;font-size:13px;z-index:9;max-width:92vw}

/* ===== PC (넓은 화면) ===== */
.top{background:var(--ink);color:#fff;position:sticky;top:0;z-index:5}
.top-in{max-width:1440px;margin:0 auto;padding:12px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px}
.brand{font-size:18px;font-weight:700;letter-spacing:-.02em}
.top a{font-size:13px;color:#fff}
.view{max-width:1440px;margin:0 auto;padding:24px}
.pcwrap{background:var(--ground);min-height:100%}
.pc{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.pc-aside{flex:1 1 300px;max-width:380px;display:flex;flex-direction:column;gap:16px}
.pc-main{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:24px}
.pc .card{padding:24px}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px}
.sec-head h2{font-size:18px}
.scroll{overflow-x:auto}
.heat-grid{display:grid;grid-template-columns:150px repeat(10,minmax(44px,1fr)) 76px;gap:4px;align-items:center}
.cell{height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:11px}
.hrecs{min-width:960px;display:grid;grid-template-columns:repeat(20,minmax(44px,1fr));gap:4px;align-items:end}
.hrec{height:150px;border:1px solid var(--line);border-radius:8px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;padding:8px 0;font-family:var(--mono);font-size:12px}
.hrec.on{background:var(--ink);border-color:var(--ink);color:#fff}
.hrec .door{font-weight:600}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== 호선 선택 (v0.3) ===== */
.linebtn{display:flex;align-items:center;gap:4px;border:0;background:none;padding:0;height:32px}
.linebtn .linebadge{box-shadow:0 0 0 2px #fff,0 0 0 3px var(--line)}
.linebtn .caret{font-size:12px;color:var(--muted)}
.sheet-bg{position:fixed;inset:0;background:rgba(22,25,29,.45);z-index:20;display:flex;align-items:flex-end;justify-content:center}
.sheet{width:100%;max-width:480px;background:#fff;border-radius:20px 20px 0 0;padding:18px 16px calc(24px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:12px}
.sheet h3{margin:0;font-size:17px}
.lrow{display:flex;align-items:center;gap:12px;min-height:60px;border:1px solid var(--line);border-radius:14px;padding:8px 14px;background:#fff;text-align:left;width:100%}
.lrow.on{border:2px solid var(--ink)}
.lrow .lb{width:36px;height:36px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:700;font-size:17px;flex:none}
.lrow .tx{flex:1;display:flex;flex-direction:column;gap:2px}
.lrow .tx small{font-size:12px;color:var(--muted)}
.soon{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:12px;color:var(--muted)}
.soon i{width:24px;height:24px;border-radius:12px;border:2px solid;display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-family:var(--mono);font-size:11px;opacity:.45}
.mini .linebadge{display:inline-flex;vertical-align:middle;margin-right:4px}
.stops .rail::before{background:var(--c,var(--green))}
.stops .node:not(.ring){border-color:var(--c,var(--green))}
.stops .node.solid{background:var(--c,var(--green))}
.pill:disabled{cursor:not-allowed}

/* ===== 실시간 도착 ===== */
.arr{display:flex;flex-direction:column;gap:8px}
.arr-h{display:flex;justify-content:space-between;align-items:center;gap:8px}
.arr-h h2{margin:0;font-size:16px;display:flex;align-items:center;gap:6px}
.arr-h h2 svg{width:18px;height:18px}
.arr-btn{min-height:36px;padding:0 12px;border:1px solid var(--field);border-radius:10px;background:#fff;font-size:13px}
.arr-list{display:flex;flex-direction:column;font-size:14px;line-height:1.5}
.arow{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line2)}
.arr-l{display:flex;flex-direction:column;gap:2px;min-width:0}
.arr-d{font-size:14px;white-space:nowrap;text-align:right}
.arr-d b{font-size:20px;font-weight:600;margin-right:2px}
.arow.first .arr-d b{font-size:26px}
.arow.first{border-top:0}
.arr-t{font-weight:600;font-size:16px;white-space:nowrap}
.arow.first .arr-t{font-size:22px}
.arr-s{color:var(--soft);font-size:12px}
.arr-t.soon{color:#C62828}
.arr-t.far{color:#0A7A3B}
.arr-legend{display:flex;gap:10px;font-size:11px;color:var(--muted)}
.arr-legend b.soon{color:#C62828}.arr-legend b.far{color:#0A7A3B}

/* ===== v3: 호선 가로 줄 · 출발 시간 시트 · 프로필 ===== */
.ph-head h1{padding-right:0}
.lscroll{position:relative;display:flex;gap:8px;overflow-x:auto;margin:8px -20px 0;padding:2px 20px 6px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.lscroll::-webkit-scrollbar{display:none}
.lchip{flex:0 0 auto;min-width:92px;height:52px;border:2px solid var(--c);background:#fff;color:var(--ink);border-radius:12px;display:flex;align-items:center;justify-content:center;gap:8px;padding:0 12px;font-size:15px;font-weight:500}
.lchip .ld{width:24px;height:24px;border-radius:50%;background:var(--c);color:var(--f);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:none}
.lchip .lt{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15}
.lchip .lt small{font-size:10px;font-weight:400;color:var(--muted)}
.lchip.on{background:var(--c);color:var(--f);font-weight:700}
.lchip.on .ld{background:#fff;color:var(--ink)}
.lchip:disabled{border-color:var(--line);background:#ECEEEA;color:var(--muted);cursor:default}
.lchip:disabled .ld{background:#C7CBC5;color:#3D434A}
.tline{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;color:var(--soft)}
.tlink{min-height:44px;border:0;background:none;padding:0 2px;color:var(--muted);font-size:13px;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
.tband{display:flex;justify-content:space-between;align-items:center;gap:8px;background:var(--ground);border-radius:10px;padding:4px 4px 4px 12px}
.tband .tb{border:0;background:none;padding:0;font-size:13px;text-align:left;min-height:40px}
.tband .tback{min-height:40px;padding:0 12px;border-radius:8px;background:#fff;border:1px solid var(--field);font-size:13px;white-space:nowrap}
.tsheet{max-height:82vh;max-height:82dvh}
.tsheet .grab{align-self:center;width:40px;height:4px;border-radius:2px;background:var(--field)}
.xbtn{width:44px;height:44px;border:0;background:none;display:flex;align-items:center;justify-content:center}
.tnow{min-height:52px;border:1px solid var(--field);border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 14px;font-size:14px}
.tnow.on{border:2px solid var(--ink)}
.tlist{overflow-y:auto;display:flex;flex-direction:column;min-height:0;flex:1}
.trow{min-height:48px;display:grid;grid-template-columns:52px minmax(0,1fr) 60px;align-items:center;gap:10px;border:0;border-top:1px solid var(--line2);background:none;text-align:left;font-size:14px;padding:0 4px}
.trow .muted{font-size:12px}
.trow.on{background:var(--ground);font-weight:700}
.psec{display:flex;flex-direction:column;gap:8px}
.psec h2{margin:0 4px}
.pnote{margin:0 4px;font-size:12px}