:root{--bg: oklch(.985 .003 235);--bg-elev: #ffffff;--bg-sunken: oklch(.965 .005 235);--bg-rail: oklch(.978 .004 235);--line: oklch(.92 .006 235);--line-strong: oklch(.86 .008 235);--line-faint: oklch(.955 .004 235);--ink: oklch(.2 .012 245);--ink-2: oklch(.42 .012 245);--ink-3: oklch(.58 .01 240);--ink-4: oklch(.72 .008 240);--c: oklch(.66 .16 230);--c-strong: oklch(.56 .18 235);--c-soft: oklch(.93 .05 230);--c-softer: oklch(.97 .025 230);--c-ink: oklch(.35 .14 235);--ok: oklch(.66 .14 160);--warn: oklch(.74 .14 75);--danger: oklch(.62 .18 25);--r-s: 6px;--r-m: 10px;--r-l: 14px;--shadow-1: 0 1px 0 oklch(.92 .006 235);--shadow-2: 0 1px 2px rgba(13,20,35,.04), 0 1px 1px rgba(13,20,35,.03);--shadow-pop: 0 10px 32px -8px rgba(13,30,60,.12), 0 2px 6px rgba(13,30,60,.05);--focus: 0 0 0 3px var(--c-soft);--f-sans: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, 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auto;align-items:center;column-gap:12px;padding:12px 14px;border-radius:11px;cursor:pointer;background:transparent;border:1px solid transparent;transition:background .12s ease,border-color .12s ease;text-align:left;width:100%;font-family:var(--f-sans)}.rail-step:hover{background:var(--bg-elev)}.rail-step__num{grid-column:1;grid-row:1 / 3;width:32px;height:32px;border-radius:9px;background:var(--bg-elev);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:12.5px;font-weight:700;color:var(--ink-2);transition:all .12s ease}.rail-step__label{grid-column:2;grid-row:1;font-size:13.5px;font-weight:600;color:var(--ink);letter-spacing:-.012em;white-space:nowrap}.rail-step__sub{grid-column:2;grid-row:2;font-size:11.5px;color:var(--ink-3);font-family:var(--f-mono);white-space:nowrap;margin-top:1px}.rail-step__caret{grid-column:3;grid-row:1 / 3;color:var(--ink-4);opacity:0;transition:opacity .12s ease}.rail-step:hover 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8px;border-radius:999px;font-size:12.5px;font-weight:500;color:var(--ink-3);cursor:pointer;border:none;background:transparent;transition:all .12s ease;white-space:nowrap;font-family:var(--f-sans)}.step-pill__num{width:18px;height:18px;border-radius:50%;background:var(--bg-elev);border:1px solid var(--line-strong);font-family:var(--f-mono);font-size:10px;font-weight:600;display:flex;align-items:center;justify-content:center}.step-pill:hover{color:var(--ink)}.step-pill--active{background:var(--bg-elev);color:var(--ink);font-weight:600;box-shadow:var(--shadow-2)}.step-pill--active .step-pill__num{background:var(--c);border-color:var(--c);color:var(--bg-elev)}.step-pill--done .step-pill__num{background:var(--c-softer);border-color:var(--c-soft);color:var(--c-ink)}.header__right{display:flex;align-items:center;gap:8px;justify-content:flex-end}.btn{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:8px;font-size:13px;font-weight:500;border:1px solid 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