:root{--font:"Paperlogy", "Malgun Gothic", "맑은 고딕", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--bg:#f2f4f8;--card:#fff;--text:#111827;--sub:#64748b;--muted:#94a3b8;--line:#e5e9f0;--primary:#0d1f3c;--ok:#16a34a;--ok-bg:#f0fdf4;--ok-text:#15803d;--bad:#dc2626;--bad-bg:#fef2f2;--bad-text:#b91c1c;--warn-bg:#fffbeb;--warn-text:#92400e;--warn-line:#fcd34d;--mode:#1d4ed8;--mode-soft:#eff6ff;--mode-ink:#1e3a8a;--tab-h:62px;--top-h:54px;--r:16px;--r-sm:10px;--shadow:0 1px 2px #0f172a0f, 0 4px 14px #0f172a0d}body[data-discipline=steel]{--mode:#c2410c;--mode-soft:#fff7ed;--mode-ink:#7c2d12}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);color:var(--text);font-family:var(--font);margin:0;font-size:15px;line-height:1.5}body{overscroll-behavior-y:contain;min-height:100dvh}button,input,select{font:inherit;color:inherit}a{color:var(--mode)}.top{z-index:20;height:calc(var(--top-h) + env(safe-area-inset-top));padding:env(safe-area-inset-top) 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10px;font-size:16px;display:flex}.step{background:var(--mode);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:24px;height:24px;font-size:13px;display:inline-flex}.step.done{background:var(--ok)}.hint{color:var(--sub);margin:6px 0 0;font-size:13px}.muted{color:var(--muted)}.btn{border:1px solid var(--line);cursor:pointer;min-height:46px;color:var(--text);background:#fff;border-radius:12px;justify-content:center;align-items:center;gap:6px;padding:0 16px;font-weight:600;text-decoration:none;display:inline-flex}.btn.primary{background:var(--mode);border-color:var(--mode);color:#fff}.btn.block{width:100%}.btn.big{min-height:56px;font-size:17px}.btn.small{border-radius:10px;min-height:36px;padding:0 12px;font-size:13px}.btn:disabled{opacity:.5}.btn 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env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;display:flex;position:fixed;bottom:0;left:0;right:0}.tabs button{color:var(--muted);background:0 0;border:0;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:11px;font-weight:600;display:flex}.tabs button svg{stroke:currentColor;fill:none;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.tabs button.on{color:var(--mode)}body.no-tabs .tabs{display:none}.toast{left:50%;bottom:calc(var(--tab-h) + 16px + env(safe-area-inset-bottom));background:var(--primary);color:#fff;z-index:60;box-shadow:var(--shadow);border-radius:12px;max-width:90vw;padding:10px 16px;font-size:13px;position:fixed;transform:translate(-50%)}@media (width>=760px){main{padding-top:20px}.kv{grid-template-columns:repeat(4,1fr)}.kv .wide{grid-column:span 2}}