:root{--bg: #ffffff;--panel: #ffffff;--panel-2: #f1f5f9;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--accent: #067a96;--accent-hover: #0b6178;--accent-soft: #ecfdff;--error: #dc2626;--note: #b45309;--shadow-card: 0 1px 2px rgb(15 23 42 / .04), 0 1px 3px rgb(15 23 42 / .08)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Apple SD Gothic Neo,sans-serif;font-size:14px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{display:flex;flex-direction:column;min-height:100%}.app-header{display:flex;align-items:center;gap:24px;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--bg)}.app-header h1{font-size:18px;margin:0;letter-spacing:.5px;color:var(--text)}.tabs{display:flex;gap:4px}.tab{background:transparent;color:var(--muted);border:1px solid transparent;border-radius:6px;padding:7px 14px;cursor:pointer;font-size:14px}.tab:hover{color:var(--accent-hover)}.tab-active,.tab-active:hover{color:var(--accent);background:var(--accent-soft);border-color:var(--border);font-weight:600}.app-main{flex:1;padding:16px 20px}.app-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 20px;border-top:1px solid var(--border);color:var(--muted);font-size:12px}.contact-link{color:var(--accent);text-decoration:none;white-space:nowrap}.contact-link:hover{text-decoration:underline}.page{display:flex;flex-direction:column;gap:12px}.page-split{display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);gap:16px}@media (max-width: 820px){.page-split{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px;min-width:0;box-shadow:var(--shadow-card)}.panel h2{margin:0 0 12px;font-size:15px}.toolbar{display:flex;align-items:center;gap:12px}.muted{color:var(--muted)}.opener{display:inline-flex;align-items:center;background:var(--accent);color:#fff;border-radius:6px;padding:8px 16px;cursor:pointer;font-weight:600}.opener:hover{background:var(--accent-hover)}.opener-disabled{opacity:.5;pointer-events:none}.opener input{display:none}.error{background:#fef2f2;border:1px solid #fecaca;color:var(--error);border-radius:6px;padding:10px 12px}.note{background:#fffbeb;border:1px solid #fde68a;color:var(--note);border-radius:6px;padding:8px 12px;font-size:13px}.placeholder{border:1px dashed var(--border);border-radius:8px;padding:40px 20px;text-align:center;color:var(--muted);line-height:1.7}.image-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,320px);gap:16px}@media (max-width: 860px){.image-layout{grid-template-columns:1fr}}.image-main,.image-side{display:flex;flex-direction:column;gap:10px;min-width:0}.image-side{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:14px;box-shadow:var(--shadow-card)}.image-side h3{margin:0;font-size:14px}.measure{display:flex;flex-direction:column;gap:10px}.measure-tools{display:flex;flex-wrap:wrap;gap:4px}.tool{background:var(--panel-2);color:var(--muted);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer;font-size:13px}.tool-active{color:#fff;background:var(--accent);border-color:var(--accent)}.measure-ctl{display:flex;flex-direction:column;gap:6px}.measure-scale{display:flex;align-items:center;gap:8px;font-size:13px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:8px 0}.roi-list{display:flex;flex-direction:column;gap:6px}.roi-card{border:1px solid var(--border);border-radius:6px;padding:8px 10px;background:var(--panel-2)}.roi-card-head{display:flex;justify-content:space-between;align-items:center;font-size:13px}.roi-card-stats{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:5px;font-size:12px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.proc-row{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--muted)}.proc-row input[type=range]{width:100%;accent-color:var(--accent)}.proc-check{display:flex;align-items:center;gap:6px;font-size:13px}.proc-check input{accent-color:var(--accent)}.seg-summary{font-size:12px;background:var(--panel-2);border:1px solid var(--border);border-radius:6px;padding:8px 10px;line-height:1.7}.seg-table-wrap{max-height:240px;overflow-y:auto}.viewer{display:flex;flex-direction:column;gap:8px}.viewer-canvas-wrap{position:relative;height:62vh;background:#000;border:1px solid var(--border);border-radius:8px;overflow:hidden}.viewer-canvas-wrap canvas{display:block;cursor:crosshair}.viewer-bar{display:flex;align-items:center;gap:12px}.readout{display:flex;gap:18px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--panel-2);border:1px solid var(--border);border-radius:6px;padding:8px 12px}.readout-empty{color:var(--muted)}.form fieldset{border:1px solid var(--border);border-radius:6px;margin:0 0 12px;padding:12px}.form legend{color:var(--muted);padding:0 6px}.form-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.form input{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:5px;padding:7px 9px;font-size:14px;min-width:0}.input-symbol{flex:1}.alloy-select{flex:1;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:5px;padding:7px 9px;font-size:14px;font-family:inherit}.input-fraction{width:90px}.hint{color:var(--muted);font-size:12px;margin:6px 0 0}.hint-warn{color:var(--note)}button{font-family:inherit}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:9px 18px;cursor:pointer;font-weight:600;font-size:14px}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer}.btn-icon{background:transparent;border:1px solid var(--border);color:var(--muted);border-radius:5px;width:30px;height:30px;cursor:pointer}.viewer-bar button{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:5px 12px;cursor:pointer}.result{display:flex;flex-direction:column;gap:12px}.result-main{font-size:20px;font-weight:700;color:var(--accent)}.result-dl{margin:0;display:flex;flex-direction:column;gap:4px}.result-dl>div{display:flex;justify-content:space-between;border-bottom:1px solid var(--border);padding:5px 0}.result-dl 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.btn-icon{width:24px;height:24px;font-size:12px}.btn-row{display:flex;flex-wrap:wrap;gap:8px}.mc,.signal{display:flex;flex-direction:column;gap:8px}.mc-canvas-wrap{height:320px;background:#0c0e12;border:1px solid var(--border);border-radius:8px;overflow:hidden}.mc-canvas-wrap canvas{display:block}.mc-stats{display:flex;flex-wrap:wrap;gap:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.mc-legend{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:12px}.mc-dot{display:inline-block;width:18px;height:3px;vertical-align:middle;margin-right:4px}.mc-dot-abs{background:#067a96}.mc-dot-bse{background:#ffa03c}.mc-seed{margin-left:auto}