@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap";:root{font-family:Inter,Noto Sans JP,sans-serif;color:#e7edf6;background:#10151f;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#app{min-height:100vh;display:flex;flex-direction:column}.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid #273142;background:#151c28}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#3478f6;color:#fff;font-weight:800}.brand strong{display:block;font-size:14px;letter-spacing:.02em}.brand small{display:block;color:#8d9bb0;font-size:11px;margin-top:2px}.file-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:112px;background:#3478f6;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none}.file-button:hover{background:#2868df}#file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}main{flex:1;min-height:calc(100vh - 68px);display:grid;grid-template-columns:minmax(0,1fr) 290px}.viewport-panel{position:relative;min-height:500px;overflow:hidden;background:#101722}#viewport{position:absolute;inset:0}#viewport canvas{display:block}.viewport-hint{position:absolute;left:16px;bottom:14px;padding:8px 11px;border:1px solid #334155;border-radius:7px;background:#111a27d9;color:#a9b8cc;font-size:11px;pointer-events:none}#drop-overlay{position:absolute;inset:16px;display:grid;place-items:center;border:2px dashed #5b91f4;border-radius:16px;background:#14213bdc;color:#dce8ff;font-size:18px;font-weight:600;opacity:0;pointer-events:none;transition:opacity .15s}#drop-overlay.visible{opacity:1}.sidebar{border-left:1px solid #273142;background:#151c28;padding:22px 18px;display:flex;flex-direction:column;gap:22px}.section{padding-bottom:20px;border-bottom:1px solid #2a3546}.section-heading{display:flex;justify-content:space-between;align-items:center;color:#8493a9;font-size:10px;font-weight:700;letter-spacing:.12em}.state{color:#72d6a1;letter-spacing:0}h1{font-size:21px;margin:14px 0 4px}.muted{color:#8d9bb0;font-size:11px;margin:0;overflow-wrap:anywhere}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:20px}.stats div{padding:12px 8px;border:1px solid #2c394c;border-radius:9px;background:#1a2432}.stats strong{display:block;font-size:20px}.stats span{display:block;margin-top:3px;color:#8d9bb0;font-size:10px}.feature-list{padding-left:17px;margin:13px 0 0;color:#c0cada;font-size:11px;line-height:2.1}.note{padding:12px;border:1px solid #34445a;border-radius:9px;background:#1a2636}.note strong{font-size:11px}.note p{font-size:11px;line-height:1.8;color:#aab8ca;margin:7px 0 0}.message{margin-top:auto;padding:12px;border-radius:8px;background:#1b2c42;color:#b9d3fa;font-size:11px;line-height:1.7}.message.error{background:#3a2027;color:#ffc1c7}@media(max-width:760px){.topbar{height:64px;padding:0 12px;gap:8px}.brand{gap:8px}.brand strong{font-size:12px}.brand small{font-size:10px}.brand-mark{width:32px;height:32px}.file-button{min-height:46px;min-width:108px;padding:10px 12px;font-size:13px}main{grid-template-columns:1fr;grid-template-rows:minmax(360px,58svh) auto;min-height:calc(100svh - 64px)}.sidebar{border-left:0;border-top:1px solid #273142;padding:18px 14px}.viewport-panel{min-height:360px}.viewport-hint{left:8px;bottom:8px;font-size:10px;padding:7px 9px}}