:root{--bg-main: #09090b;--bg-panel: rgba(24, 24, 27, .85);--bg-card: #18181b;--bg-input: #27272a;--border: rgba(255, 255, 255, .1);--border-hover: rgba(255, 255, 255, .22);--text-main: #fafafa;--text-muted: #a1a1aa;--accent: #0a84ff;--accent-glow: rgba(10, 132, 255, .35);--success: #30d158;--danger: #ff453a;--radius-lg: 16px;--radius-md: 10px;--radius-sm: 8px}body.light{--bg-main: #f2f2f7;--bg-panel: rgba(255, 255, 255, .88);--bg-card: #ffffff;--bg-input: #f2f2f7;--border: rgba(0, 0, 0, .09);--border-hover: rgba(0, 0, 0, .2);--text-main: #1c1c1e;--text-muted: #636366;--accent: #007aff;--accent-glow: rgba(0, 122, 255, .2)}*{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Segoe UI,Tahoma,sans-serif;background-color:var(--bg-main);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;transition:background .25s,color .25s}.navbar{height:60px;padding:0 24px;background:var(--bg-panel);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.3px}.brand-icon{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#0a84ff,#5e5ce6);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;box-shadow:0 4px 14px var(--accent-glow)}.status-pill{display:inline-flex;align-items:center;gap:6px;font-size:11px;padding:4px 10px;border-radius:99px;background:#30d1581f;color:var(--success);border:1px solid rgba(48,209,88,.25)}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 8px var(--success)}.nav-actions{display:flex;align-items:center;gap:8px}.icon-btn{background:var(--bg-input);color:var(--text-main);border:1px solid var(--border);padding:7px 12px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}.icon-btn:hover:not(:disabled){border-color:var(--border-hover);transform:translateY(-1px)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.studio-layout{flex:1;display:grid;grid-template-columns:370px 1fr;gap:20px;padding:20px;max-width:1480px;width:100%;margin:0 auto}.sidebar{display:flex;flex-direction:column;gap:14px}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:0 8px 24px #00000026}.panel-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:12px;display:flex;justify-content:space-between;align-items:center}.dropzone{border:2px dashed var(--border-hover);border-radius:var(--radius-md);padding:20px 14px;text-align:center;cursor:pointer;background:var(--bg-input);transition:all .2s;position:relative}.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:#0a84ff14}.dropzone input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.dropzone-title{font-size:13px;font-weight:600;margin-bottom:4px}.dropzone-sub{font-size:11px;color:var(--text-muted)}.file-stats{display:none;margin-top:10px;padding:8px 10px;border-radius:var(--radius-sm);background:#30d1581a;border:1px solid rgba(48,209,88,.25);font-size:11px;color:var(--success);justify-content:space-between;align-items:center}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.field label{display:block;font-size:11px;color:var(--text-muted);margin-bottom:5px}.field input[type=number]{width:100%;padding:9px 11px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-main);font-size:14px;font-weight:600;font-family:inherit}.field input[type=number]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.presets{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.chip{flex:1;min-width:52px;text-align:center;padding:6px 8px;font-size:11px;font-weight:600;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--text-main);cursor:pointer;transition:all .15s}.chip:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.chip:disabled{opacity:.4;cursor:not-allowed}.range-row{display:flex;align-items:center;gap:10px;margin-top:10px}.range-row input[type=range]{flex:1;accent-color:var(--accent);cursor:pointer}.swatch-list{display:flex;flex-wrap:wrap;gap:8px;min-height:34px;align-items:center}.swatch-item{width:30px;height:30px;border-radius:8px;border:2px solid var(--border-hover);position:relative;overflow:hidden;cursor:pointer;transition:transform .15s}.swatch-item:hover{transform:scale(1.1);border-color:var(--accent)}.swatch-item input[type=color]{position:absolute;top:-8px;right:-8px;bottom:-8px;left:-8px;width:48px;height:48px;opacity:0;cursor:pointer}.export-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.btn-primary{grid-column:span 2;background:linear-gradient(135deg,#0a84ff,#06c);color:#fff;border:none;padding:12px;border-radius:var(--radius-md);font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 4px 15px var(--accent-glow);transition:opacity .2s,transform .15s}.btn-primary:hover:not(:disabled){opacity:.94;transform:translateY(-1px)}.btn-primary:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.stage-wrapper{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);position:relative;display:flex;flex-direction:column;overflow:hidden;min-height:520px;box-shadow:0 8px 24px #00000026}.stage-canvas{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;cursor:grab;position:relative;touch-action:none}.stage-canvas:active{cursor:grabbing}.stage-canvas.bg-grid{background-color:#fff;background-image:linear-gradient(45deg,#e5e5ea 25%,transparent 25%,transparent 75%,#e5e5ea 75%,#e5e5ea),linear-gradient(45deg,#e5e5ea 25%,transparent 25%,transparent 75%,#e5e5ea 75%,#e5e5ea);background-size:20px 20px;background-position:0 0,10px 10px}.stage-canvas.bg-dark{background:#141417}.stage-canvas.bg-light{background:#fff}.stage-canvas svg{max-width:90%;max-height:85%;pointer-events:none;transition:transform .15s ease;filter:drop-shadow(0 4px 16px rgba(0,0,0,.08))}.empty-placeholder{text-align:center;color:#636366;background:#ffffffeb;padding:14px 22px;border-radius:12px;font-size:13px;font-weight:500;box-shadow:0 4px 16px #0000000f}.hud-bar{position:absolute;bottom:16px;left:50%;transform:translate(-50%);background:var(--bg-panel);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-hover);padding:6px 10px;border-radius:12px;display:flex;align-items:center;gap:6px;box-shadow:0 10px 30px #00000059}.hud-divider{width:1px;height:18px;background:var(--border);margin:0 4px}.toast{position:fixed;bottom:24px;right:24px;background:var(--text-main);color:var(--bg-main);padding:10px 18px;border-radius:10px;font-size:13px;font-weight:600;opacity:0;transform:translateY(10px);pointer-events:none;transition:all .25s;z-index:100}.toast.show{opacity:1;transform:translateY(0)}@media (max-width: 960px){.studio-layout{grid-template-columns:1fr}.stage-wrapper{order:-1;min-height:360px}}