:root{--bg-0:#0a0a14;--bg-1:#11111c;--bg-2:#181826;--bg-3:#20203a;--border:#2a2a45;--border-strong:#3a3a55;--text:#c8c8d8;--text-dim:#8b8ba0;--text-bright:#fafaff;--accent:#7c5cff;--accent-2:#ff5c8a;--accent-3:#4dd0ff;--good:#34d399;--warn:#fbbf24;--shadow-lg:0 20px 60px #0006, 0 6px 20px #7c5cff14;--shadow-md:0 8px 24px #00000059;--shadow-glow:0 0 24px #7c5cff40;--sans:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:"JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;font-family:var(--sans);color:var(--text);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:var(--bg-0);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5}*{box-sizing:border-box}html,body{background:var(--bg-0);background-image:radial-gradient(80% 60% at 20% 0,#7c5cff1a,#0000 60%),radial-gradient(60% 50% at 80% 100%,#ff5c8a14,#0000 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strong{color:var(--text-bright)}.presets{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.presets-label{color:var(--text-dim);margin-right:4px;font-size:12px}.preset-btn{background:var(--bg-2);border:1px solid var(--border);color:var(--text-bright);border-radius:999px;padding:7px 13px;font-size:12.5px;font-weight:500;transition:all .12s}.preset-btn:hover{background:var(--bg-3);border-color:var(--accent);box-shadow:0 0 0 3px #7c5cff1f}.layout{grid-template-columns:280px 1fr;align-items:start;gap:16px;display:grid}@media (width<=1100px){.layout{grid-template-columns:1fr}}.sidebar{position:sticky;top:16px}.main{grid-template-columns:1fr 1fr;gap:16px;display:grid}.circuit-card,.bloch-card,.code-card{grid-column:1/-1}@media (width<=800px){.main{grid-template-columns:1fr}}.card{border:1px solid var(--border);box-shadow:var(--shadow-md);background:linear-gradient(#20203a80,#181826b3);border-radius:16px;padding:18px;position:relative;overflow:hidden}.card:before{content:"";pointer-events:none;background:radial-gradient(100% 30% at 50% 0,#7c5cff1a,#0000 60%);position:absolute;inset:0}.card-head{justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:14px;display:flex}.card-head h2{letter-spacing:.4px;text-transform:uppercase;color:var(--text-bright);margin:0;font-size:14px;font-weight:600}.card-sub{color:var(--text-dim);font-size:12px}.palette{border:1px solid var(--border);box-shadow:var(--shadow-md);background:linear-gradient(#20203a80,#181826b3);border-radius:16px;padding:16px}.palette-title{text-transform:uppercase;letter-spacing:.6px;color:var(--text-bright);align-items:center;gap:8px;margin-bottom:10px;font-size:13px;font-weight:600;display:flex}.palette-title .dot{background:var(--accent);width:8px;height:8px;box-shadow:0 0 12px 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transparent);font-size:17px;font-weight:700}.gate-name{color:var(--text-dim);text-align:center;margin-top:1px;font-size:9px;line-height:1}.palette-hint{color:var(--text-dim);border-top:1px dashed var(--border);margin-top:12px;padding-top:12px;font-size:11.5px;line-height:1.5}.circuit-grid-wrap{border-radius:12px;padding-bottom:8px;overflow-x:auto}.circuit-grid{min-height:80px;position:relative}.circuit-wires{pointer-events:none;position:absolute;inset:0}.wire-label{font-family:var(--mono);color:var(--text-dim);border-right:1px dashed var(--border);justify-content:space-around;align-items:center;font-size:13px;display:flex;position:absolute;left:0}.wire-label .wire-q{color:var(--text-bright);font-weight:600}.wire-label .wire-state{color:var(--text-dim)}.circuit-cell{border-radius:8px;place-items:center;transition:background .12s;display:grid;position:absolute}.circuit-cell.dropping{outline:2px dashed var(--accent);outline-offset:-3px;background:#7c5cff26}.placed-gate{background:linear-gradient(160deg, color-mix(in srgb, var(--gate-color) 30%, var(--bg-2)) 0%, var(--bg-2) 100%);border:1.5px solid var(--gate-color);width:44px;height:44px;color:var(--text-bright);font-family:var(--mono);cursor:grab;-webkit-user-select:none;user-select:none;box-shadow:0 4px 14px color-mix(in srgb, var(--gate-color) 25%, transparent), inset 0 1px 0 #ffffff0f;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;font-size:16px;font-weight:700;transition:all .12s;display:flex;position:relative}.placed-gate:hover{box-shadow:0 8px 22px color-mix(in srgb, var(--gate-color) 35%, transparent), inset 0 1px 0 #ffffff1a;transform:translateY(-1px)}.placed-symbol{color:var(--gate-color);text-shadow:0 0 10px color-mix(in srgb, var(--gate-color) 60%, transparent)}.placed-param{color:var(--text-dim);margin-top:1px;font-size:9px}.gate-x{background:var(--bg-1);border:1px solid var(--border-strong);width:18px;height:18px;color:var(--text-dim);opacity:0;border-radius:999px;place-items:center;font-size:12px;line-height:1;transition:all .12s;display:grid;position:absolute;top:-8px;right:-8px}.placed-gate:hover .gate-x{opacity:1}.gate-x:hover{background:var(--accent-2);color:#fff;border-color:var(--accent-2)}.placed-gate.ctrl{box-shadow:none;background:0 0;border:none;width:30px;height:30px}.ctrl-dot{background:var(--gate-color);width:18px;height:18px;box-shadow:0 0 0 3px color-mix(in srgb, var(--gate-color) 25%, transparent), 0 0 18px color-mix(in srgb, var(--gate-color) 60%, transparent);border-radius:999px}.placed-gate.target{border:2px solid var(--gate-color);width:32px;height:32px;box-shadow:0 0 12px color-mix(in srgb, var(--gate-color) 50%, transparent);background:0 0;border-radius:999px}.target-circle{width:100%;height:100%;position:relative}.target-cross:before,.target-cross:after{content:"";background:var(--gate-color);position:absolute}.target-cross:before{width:2px;top:-2px;bottom:-2px;left:50%;transform:translate(-50%)}.target-cross:after{height:2px;top:50%;left:-2px;right:-2px;transform:translateY(-50%)}.placed-gate.swap{box-shadow:none;background:0 0;border:none;width:36px;height:36px}.swap-x{color:var(--gate-color);text-shadow:0 0 14px color-mix(in srgb, var(--gate-color) 60%, transparent);font-size:26px}.param-editor{background:var(--bg-1);border:1px solid var(--border-strong);z-index:10;box-shadow:var(--shadow-lg);border-radius:8px;align-items:center;gap:6px;padding:6px 8px;display:flex;position:absolute;top:100%;left:50%;transform:translate(-50%,6px)}.param-editor label{color:var(--text-dim);font-size:11px;font-family:var(--mono)}.param-editor input{background:var(--bg-2);border:1px solid var(--border);width:60px;color:var(--text-bright);font-family:var(--mono);border-radius:5px;padding:4px 6px;font-size:12px}.param-editor input:focus{border-color:var(--accent);outline:none}.warnings{color:var(--warn);background:#fbbf2414;border:1px solid #fbbf244d;border-radius:8px;flex-direction:column;gap:4px;margin-top:10px;padding:8px 12px;font-size:12px;display:flex}.bloch-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.bloch-sphere{background:radial-gradient(ellipse 80% 60% at 50% 30%, #7c5cff26, transparent 70%), var(--bg-1);border:1px solid 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10px;display:flex}.state-amp{color:var(--text-bright)}.state-mul{color:var(--text-dim)}.state-ket{color:var(--accent-3);font-weight:600}.state-phase{border:1px solid #fff3;border-radius:999px;width:14px;height:14px;margin-left:auto}.code-tabs{align-items:center;gap:6px;margin-bottom:10px;display:flex}.code-tab{background:var(--bg-2);border:1px solid var(--border);color:var(--text-dim);border-radius:8px;padding:6px 12px;font-size:12px;font-weight:500;transition:all .12s}.code-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 3px #7c5cff33}.code-tab:hover:not(.active){color:var(--text-bright);border-color:var(--border-strong)}.code-actions{gap:6px;margin-left:auto;display:flex}.code-actions .btn-soft{padding:6px 12px;font-size:12px}.code-pre{border:1px solid var(--border);max-height:320px;font-family:var(--mono);color:#d4d4f0;background:#0a0a14;border-radius:10px;margin:0;padding:14px 16px;font-size:12.5px;line-height:1.55;overflow:auto}.app-footer{text-align:center;color:var(--text-dim);justify-content:center;align-items:center;gap:8px;margin-top:auto;padding:24px 8px 0;font-size:12px;display:flex}.dot-sep{opacity:.4}sub{vertical-align:-.25em;font-size:.7em}