:root{--bg: #0b1020;--panel: #121a2b;--panel2: #182238;--text: #e9eefb;--muted: #9fb0cc;--accent: #7dd3fc;--border: #2a3856;--pos: #ff615a;--neg: #4aa3ff;--good: #7ee787}*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}body{overflow:hidden}button,input,select{font:inherit}button{padding:8px 10px;color:var(--text);cursor:pointer;background:#18233a;border:1px solid var(--border);border-radius:9px}button:hover{background:#22304d}button.active{background:#17334b;outline:2px solid var(--accent)}button.danger{border-color:#7a2b35}.app{display:grid;grid-template-rows:auto 1fr;height:100%}.topbar{display:flex;gap:8px;align-items:center;padding:9px 12px;overflow-x:auto;white-space:nowrap;background:#0e1627;border-bottom:1px solid var(--border)}.title{margin-right:10px;font-weight:800;letter-spacing:.2px}.spacer{flex:1}.main{display:grid;grid-template-columns:1fr 340px;min-height:0}.stage{position:relative;min-width:0;min-height:0;background:#070c16}canvas{display:block;width:100%;height:100%}.hud{position:absolute;bottom:12px;left:12px;padding:8px 10px;font-size:12px;color:#c8d4ea;pointer-events:none;background:#0a101cdb;border:1px solid var(--border);border-radius:10px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.hud b{color:#fff}.sidebar{padding:12px;overflow:auto;background:var(--panel);border-left:1px solid var(--border)}.card{padding:12px;margin-bottom:10px;background:var(--panel2);border:1px solid var(--border);border-radius:12px}.card h3{margin:0 0 9px;font-size:14px}.small{font-size:12px;line-height:1.45;color:var(--muted)}.row{display:flex;gap:8px;align-items:center;margin:8px 0}.row label{min-width:90px;font-size:12px;color:#d5def0}.row input[type=range]{flex:1;min-width:0}.val{min-width:62px;font-size:12px;font-variant-numeric:tabular-nums;color:#fff;text-align:right}.checks{display:grid;grid-template-columns:1fr 1fr;gap:7px}.check{display:flex;gap:7px;align-items:center;font-size:12px;color:#dce5f5}.sourceType{margin-bottom:8px;font-size:13px;color:#dce5f5}.formula{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.6;color:#dbeafe}.presets{display:grid;grid-template-columns:1fr 1fr;gap:7px}.kbd{padding:1px 5px;font-size:11px;color:#dce6f8;border:1px solid #43516d;border-bottom-width:2px;border-radius:5px}.notice{padding-left:9px;border-left:3px solid var(--accent)}.separator{height:1px;margin:10px 0;background:var(--border)}@media(max-width:950px){body{overflow:auto}.app{grid-template-rows:auto 68vh auto;height:auto;min-height:100%}.main{display:contents}.sidebar{border-top:1px solid var(--border);border-left:0}}