:root{--bg:#f5f7fb;--panel:#fff;--text:#0f172a;--muted:#5b6b83;--border: rgba(15,23,42,.12);--shadow: 0 10px 30px rgba(15,23,42,.08);--accent:#4f46e5;--accentSoft: rgba(79,70,229,.12);--danger:#ef4444;--radius:16px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Arial,Apple SD Gothic Neo,Malgun Gothic,sans-serif;color:var(--text);background:radial-gradient(1200px 600px at 20% 0%,rgba(79,70,229,.1),transparent 60%),radial-gradient(1000px 700px at 80% 0%,rgba(14,165,233,.12),transparent 55%),var(--bg)}.page{max-width:1280px;margin:0 auto;padding:18px 18px 40px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 6px 18px}.brand{display:flex;gap:12px;align-items:center}.brandMark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:900;background:linear-gradient(135deg,#4f46e52e,#0ea5e929);border:1px solid var(--border)}.brandTitle{font-size:18px;font-weight:900}.brandSub{font-size:12.5px;color:var(--muted);margin-top:2px}.topActions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.seg{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;background:#fff}.segBtn{border:0;background:transparent;padding:8px 10px;font-weight:900;cursor:pointer;color:#0f172ab8;white-space:nowrap}.segBtn.active{background:var(--accentSoft);color:#1b2a7af2}.dpBox{display:flex;align-items:center;gap:8px}.dpLabel{font-size:12px;font-weight:900;color:#0f172ab8}.dpInput{width:72px;border:1px solid var(--border);border-radius:12px;padding:8px 10px;font-weight:900;outline:none}.layout{display:grid;grid-template-columns:1fr 360px;gap:18px;align-items:start}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panelHead{padding:14px 14px 12px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,rgba(15,23,42,.02),transparent)}.panelTitle{font-weight:900;font-size:14px}.calculatorPanel{min-height:520px}.sidePanel{height:fit-content}.scenarioBar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-bottom:1px solid var(--border)}.scenarioTabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px}.scenarioTab{border:1px solid var(--border);background:#fff;border-radius:999px;padding:8px 10px;font-weight:900;cursor:pointer;white-space:nowrap}.scenarioTab.active{border-color:#4f46e58c;background:var(--accentSoft)}.addScenarioBtn{border:1px solid rgba(79,70,229,.35);background:#4f46e51a;border-radius:999px;padding:9px 12px;font-weight:900;cursor:pointer}.addScenarioBtn:hover{border-color:#4f46e58c;background:#4f46e524}.scenarioCardWrap{padding:14px;max-height:70vh;overflow-y:auto}.scenarioCard{border:1px solid var(--border);border-radius:16px;padding:12px;background:linear-gradient(180deg,rgba(79,70,229,.06),transparent)}.totalRow{display:grid;grid-template-columns:120px 1fr auto;gap:10px;align-items:center}.totalLabel{font-weight:900;color:#0f172abf}.totalInput{border:1px solid var(--border);border-radius:12px;padding:12px;font-size:18px;font-weight:900;outline:none;background:#fff}.totalInput:focus{border-color:#4f46e58c;box-shadow:0 0 0 3px #4f46e52e}.miniAddBtn{border:1px solid var(--border);background:#fff;border-radius:12px;padding:10px 12px;font-weight:900;cursor:pointer;color:#0f172abf}.miniAddBtn:hover{background:#0f172a08;border-color:#0f172a38}.derivedHint{margin-top:10px;font-size:12.5px;color:#0f172ab3}.derivedVal{font-weight:900}.totalPartsFrame{margin-top:12px;border:1px solid var(--border);border-radius:16px;background:#fff;overflow:hidden}.partsHeader{display:grid;grid-template-columns:1.2fr 1fr 1fr 44px;gap:10px;padding:12px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,rgba(15,23,42,.02),transparent)}.th{font-size:12px;font-weight:900;color:#0f172aa6}.thEmpty{opacity:0}.partsList{display:grid;gap:10px;padding:12px}.partRow{display:grid;grid-template-columns:1.2fr 1fr 1fr 44px;gap:10px;align-items:center}.in{width:100%;border:1px solid var(--border);border-radius:12px;padding:10px;outline:none;font-weight:800;background:#fff}.in:focus{border-color:#4f46e58c;box-shadow:0 0 0 3px #4f46e524}.in.ro{background:#0f172a08;border-style:dashed;color:#0f172abf}.delBtn{width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;cursor:pointer;font-weight:900}.delBtn:hover{background:#0f172a08;border-color:#0f172a38}.addPartInline{border:1px dashed rgba(15,23,42,.22);background:#0f172a08;border-radius:12px;padding:10px 12px;font-weight:900;cursor:pointer;color:#0f172abf;text-align:left}.addPartInline:hover{background:#0f172a0d;border-color:#0f172a4d}.remainingRow .in.ro,.sumRow .in.ro{font-weight:900}.dangerLink{margin-top:10px;border:0;background:transparent;color:#ef4444f2;font-weight:900;cursor:pointer}.sideBody{padding:14px}.sideNote{border:1px solid var(--border);border-radius:14px;padding:12px;background:linear-gradient(180deg,rgba(15,23,42,.02),transparent);margin-bottom:10px}.sideNote ul{margin:8px 0 0 18px;padding:0}.muted{color:var(--muted);font-weight:700}@media(max-width:980px){.layout{grid-template-columns:1fr}.scenarioCardWrap{max-height:none}.partsHeader,.partRow{grid-template-columns:1fr 1fr 1fr 44px}}.layoutSingle{display:flex;flex-direction:column;gap:16px}.belowCardActions{display:flex;gap:10px;justify-content:flex-start;margin-top:10px;padding-left:2px}.ghostBtn{margin-left:auto;border:1px solid rgba(0,0,0,.12);background:#fff9;padding:8px 12px;border-radius:999px;font-weight:600;cursor:pointer}.ghostBtn:hover{background:#ffffffe6}.primaryBtn{border:1px solid rgba(0,0,0,.12);background:#fff;border-radius:999px;padding:8px 14px;font-weight:700;cursor:pointer}.primaryBtn:hover{filter:brightness(.98)}.percentTh{display:flex;align-items:center;justify-content:flex-end;gap:12px}.percentControls{display:flex;align-items:center;gap:10px;justify-content:flex-end}.dpMini{display:flex;align-items:center;gap:8px}.dpMiniLabel{opacity:.75;font-size:12px;font-weight:900}.dpMiniInput{width:72px;padding:6px 8px;border-radius:10px;border:1px solid rgba(0,0,0,.15);background:#ffffffd9;font-weight:900;outline:none}.modeGroup{display:inline-flex;border:1px solid rgba(0,0,0,.15);border-radius:10px;overflow:hidden;background:#ffffffd9}.modeBtn{padding:6px 10px;border:0;background:transparent;cursor:pointer;font-weight:800}.modeBtn+.modeBtn{border-left:1px solid rgba(0,0,0,.12)}.modeBtn.active{background:#0000000f}.partsGrid{display:grid;grid-template-columns:1.15fr 1fr 1fr 44px;align-items:center;column-gap:12px}.partsHeader.partsGrid>:nth-child(2),.partsHeader.partsGrid>:nth-child(3),.partRow.partsGrid>:nth-child(2),.partRow.partsGrid>:nth-child(3){border-left:1px solid rgba(0,0,0,.08);padding-left:12px}.pctWrap{position:relative;display:block}.pctWrap .pctUnit{position:absolute;right:10px;top:50%;transform:translateY(-50%);opacity:0;pointer-events:none;font-weight:900;color:#0f172a8c}.pctWrap .pctInput{padding-right:28px}.pctWrap.showUnit .pctUnit{opacity:1}.basicsHint{padding-left:14px}.basicQ{padding-left:14px;opacity:.85}.in.ro{min-height:44px;display:flex;align-items:center}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%);padding:10px 14px;border-radius:999px;background:#141414eb;color:#fff;font-weight:900;font-size:13px;z-index:9999;box-shadow:0 10px 30px #0000002e}.helpCard{margin-top:14px;border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:var(--shadow);padding:14px 16px}.helpTitle{font-weight:900;font-size:14px;margin-bottom:8px}.helpList{margin:0;padding-left:18px;color:#0f172ad1;line-height:1.55}.helpList li{margin:6px 0}.helpNote{margin-top:8px;color:var(--muted);font-size:12.5px;font-weight:700}.basicsWrap{margin-top:12px}.basicsHint{color:#0f172ab3;font-weight:700;margin:0 0 10px}.basicCard{border:1px solid rgba(0,0,0,.1);background:linear-gradient(180deg,#0f172a08,#0f172a04);border-radius:14px;padding:12px}.basicTitle{font-weight:950;font-size:14px;margin-bottom:6px}.basicQ{font-size:12.5px;color:#0f172aa6;font-weight:800;margin-bottom:10px}.basicRow{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;background:#ffffffbf;border:1px solid rgba(0,0,0,.08)}.basicRow .in{background:#fff;border:1px solid rgba(0,0,0,.14);border-radius:8px;padding:9px 10px;font-weight:800}.basicRow .out{min-width:140px;justify-content:center;background:#2563eb1a;border:1px solid rgba(37,99,235,.25);color:#0f172aeb;font-weight:950}.basicRow .sep,.basicRow .eq{font-weight:900;color:#0f172a99;white-space:nowrap}@media(max-width:860px){.basicRow{flex-wrap:wrap}.basicRow .out{width:100%}}
