:root{--bg: #0e0f13;--bg-alt: #16181f;--panel: #1f232b;--panel-border: #2c313b;--accent: #4d7dff;--accent-glow: 180 100% 60%;--text: #e8eaef;--text-dim: #9aa1b1;--danger: #ff4d4d;--radius-sm: 4px;--radius: 8px;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 14px -4px rgba(0, 0, 0, .6);font-family:system-ui,Inter,Segoe UI,Roboto,sans-serif}html,body{height:100%}body{margin:0;background:linear-gradient(180deg,var(--bg) 0%,#0b0c10 100%);color:var(--text);-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;font-size:13px}body *{box-sizing:border-box}.app-header{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;background:var(--bg-alt);border-bottom:1px solid var(--panel-border);position:sticky;top:0;z-index:40}.brand{display:flex;align-items:center;gap:14px}.brand h1{font-size:18px;font-weight:600;margin:0;letter-spacing:.5px}.tag{background:#262c36;padding:3px 8px;border-radius:999px;font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}.header-actions{display:flex;gap:8px;flex-wrap:wrap}main{flex:1;display:flex;align-items:stretch;min-height:0}.sidebar{width:280px;padding:14px 14px 40px;overflow-y:auto;background:var(--bg-alt);border-right:1px solid var(--panel-border);display:flex;flex-direction:column;gap:28px}.right-sidebar{border-right:none;border-left:1px solid var(--panel-border)}@media (max-width: 1200px){.sidebar{width:240px}}@media (max-width: 980px){.right-sidebar{display:none}}.canvas-wrap{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;padding:26px 32px 54px;overflow:auto}.canvas-wrap canvas{background:radial-gradient(circle at 50% 50%,#1d2129,#13161c);border:1px solid #2a313c;border-radius:var(--radius);touch-action:none;-webkit-user-select:none;user-select:none;box-shadow:var(--shadow)}.panel{display:flex;flex-direction:column;gap:14px}.panel h2{font-size:12px;font-weight:600;margin:0 0 4px;letter-spacing:.6px;text-transform:uppercase;color:var(--text-dim)}.slider-grid{display:grid;gap:10px}.slider-card{background:var(--panel);border:1px solid var(--panel-border);padding:8px 10px 10px;border-radius:var(--radius-sm);display:flex;flex-direction:column;gap:6px;box-shadow:inset 0 0 0 1px #20242c,0 1px 3px #0006}.slider-card .top{display:flex;align-items:center;justify-content:space-between;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim)}.slider-card input[type=range]{width:100%}input[type=range]{-webkit-appearance:none;height:4px;border-radius:999px;background:#343b47;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);border:1px solid #18202e;box-shadow:0 2px 4px #00000080;cursor:pointer}input[type=range]:active::-webkit-slider-thumb{transform:scale(.9)}button{--btn-bg: #222831;--btn-bg-hover: #2c3340;--btn-bg-active: #1a1f27;background:var(--btn-bg);color:var(--text);border:1px solid #303742;padding:6px 14px;font-size:12px;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;letter-spacing:.3px;position:relative;transition:.15s background,.15s border-color}button:hover{background:var(--btn-bg-hover)}button:active{background:var(--btn-bg-active)}button.accent{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 1px #1d2e53,0 4px 10px -3px #004cff59}button.accent:hover{filter:brightness(1.1)}button.accent:active{filter:brightness(.85)}label{-webkit-user-select:none;user-select:none}input[type=text]{background:#1c2026;border:1px solid #343b3f;color:var(--text);padding:4px 6px;font-size:11px;border-radius:var(--radius-sm)}input[type=text]:focus{outline:1px solid var(--accent);border-color:var(--accent)}input[type=color]{cursor:pointer}.wave-graph{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius-sm);box-shadow:inset 0 0 0 1px #262c34;display:block}.wave-intensities label{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10px;letter-spacing:.5px;text-transform:uppercase;color:var(--text-dim)}.wave-intensities input{width:60px}.canvas-metrics{position:absolute;top:6px;right:8px;display:flex;gap:10px;font-size:11px;background:#0e10148c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:4px 8px;border-radius:999px;border:1px solid #262c33;box-shadow:var(--shadow)}.canvas-metrics .m-item{color:var(--text-dim)}.canvas-metrics .m-item span{color:var(--text)}.canvas-footer{position:absolute;bottom:6px;left:50%;transform:translate(-50%);display:flex;gap:18px;background:#0e10148c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:6px 14px;border-radius:999px;border:1px solid #262c33;font-size:10px;letter-spacing:.4px;text-transform:uppercase;color:var(--text-dim)}.canvas-footer .cf-line{white-space:nowrap}.app-footer{padding:12px 18px 18px;text-align:center;font-size:11px;color:var(--text-dim)}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-track{background:#121418}*::-webkit-scrollbar-thumb{background:#272d36;border-radius:20px;border:2px solid #121418}*::-webkit-scrollbar-thumb:hover{background:#313945}.mt-1{margin-top:4px}.mt-2{margin-top:8px}@media (max-width: 860px){.sidebar.left-sidebar,.sidebar.right-sidebar{display:none}main{flex-direction:column}.responsive-panels{display:flex;flex-direction:column;gap:12px;padding:0 16px 40px}.accordion{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius-sm);overflow:hidden}.accordion summary{list-style:none;cursor:pointer;padding:10px 14px;font-size:11px;letter-spacing:.6px;font-weight:600;background:#262b33;display:flex;align-items:center;justify-content:space-between;-webkit-user-select:none;user-select:none}.accordion summary::-webkit-details-marker{display:none}.accordion[open] summary{background:#303641}.accordion .content{padding:12px 14px 16px;display:flex;flex-direction:column;gap:14px}.canvas-wrap{padding:18px 18px 60px}.canvas-footer{flex-direction:column;gap:4px}}canvas.hide-outline{box-shadow:none;border-color:#1f242b}