:root{--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--panel:#fff;--bg:#f8fafc;--accent:#0f172a;--soft:#eef2ff;--danger:#b91c1c}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--ink);background:var(--bg)}
.topbar{max-width:1440px;margin:auto;padding:28px 32px 18px;display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.brand{display:flex;align-items:center;gap:16px}.brand-logo{width:52px;height:52px;flex:none;border-radius:14px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.16em;color:#475569}.topbar h1{margin:4px 0 7px;font-size:34px}.topbar p{margin:0;color:var(--muted);max-width:780px}.badge{display:inline-flex;padding:8px 11px;border-radius:999px;background:#eef2ff;font-size:13px;font-weight:700}.badge.ok{background:#dcfce7;color:#166534}.badge.bad{background:#fee2e2;color:#991b1b}
.layout{max-width:1440px;margin:auto;padding:0 32px 48px;display:grid;grid-template-columns:minmax(620px,1.45fr) minmax(380px,.85fr);gap:18px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 8px 30px rgba(15,23,42,.04)}.preview-panel{grid-row:span 2}.panel-head{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:16px}.panel-head h2{margin:0 0 4px;font-size:20px}.panel-head p{margin:0;color:var(--muted);font-size:14px}.zoom-label{font-size:12px;background:#f1f5f9;border-radius:999px;padding:7px 10px;font-weight:700;color:#475569}
.board{position:relative;width:100%;aspect-ratio:708/533;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;user-select:none}.board img{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none}.led-layer{position:absolute;inset:0}.led-hit{position:absolute;width:4.4%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);border:2px solid rgba(15,23,42,.16);cursor:pointer;transition:.12s ease;background:rgba(255,255,255,.04)}.led-hit:hover{border-color:#0f172a;transform:translate(-50%,-50%) scale(1.12)}.led-hit.active{border-color:rgba(255,255,255,.95);box-shadow:0 0 5px 2px var(--glow),0 0 16px 6px var(--glow),0 0 32px 10px color-mix(in srgb,var(--glow) 35%,transparent);background:radial-gradient(circle at 46% 42%,white 0 8%,var(--glow) 27%,color-mix(in srgb,var(--glow) 65%,transparent) 55%,transparent 72%)}.led-hit.selected{outline:3px solid #2563eb;outline-offset:3px}.led-label{position:absolute;left:50%;top:-18px;transform:translateX(-50%);font-size:10px;font-weight:800;background:#0f172a;color:#fff;padding:2px 5px;border-radius:6px;opacity:0;pointer-events:none;white-space:nowrap}.led-hit:hover .led-label,.led-hit.selected .led-label{opacity:1}
.controls-grid{display:grid;grid-template-columns:1fr 1fr 1.15fr auto;gap:12px;margin-top:16px;align-items:end}.controls-grid label{font-size:12px;font-weight:700;color:#475569}.controls-grid input[type=color]{display:block;width:100%;height:40px;border:1px solid var(--line);border-radius:10px;padding:3px;background:white;margin-top:5px}.controls-grid input[type=number]{width:95px;border:1px solid var(--line);border-radius:9px;padding:9px}.inline{display:flex;gap:8px;align-items:center;margin-top:5px}.inline input[type=range]{width:130px}.button-row{display:flex;gap:8px;flex-wrap:wrap}.compact{align-items:center}.primary,.secondary,.danger,.chip,.file-button{appearance:none;border:0;border-radius:10px;padding:10px 14px;font:inherit;font-size:14px;font-weight:800;cursor:pointer}.primary{background:#0f172a;color:white}.secondary{background:#f1f5f9;color:#0f172a}.danger{background:#b91c1c;color:white}.primary:disabled,.secondary:disabled,.danger:disabled{opacity:.45;cursor:not-allowed}.chip{padding:7px 10px;background:#f8fafc;border:1px solid var(--line);font-size:12px}.quick-row{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:14px}.quick-title{font-size:12px;font-weight:800;color:#475569;margin-right:3px}.selected-info{margin-top:14px;padding:11px 13px;background:#f8fafc;border-radius:12px;display:flex;justify-content:space-between;gap:10px;font-size:13px}.selected-info span{color:var(--muted)}
.timeline{display:flex;flex-direction:column;gap:8px;margin:14px 0;max-height:370px;overflow:auto}.step{border:1px solid var(--line);border-radius:12px;padding:10px;display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;cursor:pointer}.step.selected{border-color:#2563eb;background:#eff6ff}.step-num{width:32px;height:32px;border-radius:9px;background:#0f172a;color:#fff;display:grid;place-items:center;font-weight:800}.step-main{min-width:0}.step-title{font-weight:800;font-size:13px}.step-sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.swatches{display:flex;gap:3px;margin-top:5px}.sw{width:12px;height:12px;border-radius:3px;border:1px solid rgba(0,0,0,.12)}.step-actions{display:flex;gap:3px}.icon-btn{border:0;background:#f1f5f9;border-radius:7px;width:27px;height:27px;cursor:pointer;font-weight:800}.playback{border-top:1px solid var(--line);padding-top:14px}.loop{font-size:13px;color:#475569;margin-left:8px}.progress{height:7px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-top:12px}.progress>div{height:100%;width:0;background:#0f172a;transition:width .12s linear}.progress.big{height:10px}.muted{font-size:12px;color:var(--muted);margin-top:7px}.estimate-card{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.estimate-card div{background:#f8fafc;border-radius:11px;padding:10px}.estimate-card span{display:block;font-size:11px;color:var(--muted)}.estimate-card strong{font-size:14px}.stack-buttons{display:grid;gap:8px}.file-button{display:block;text-align:center;background:#f1f5f9}.file-button input{display:none}.primary-like{background:#0f172a;color:#fff}.note,.warning{margin-top:14px;border-radius:12px;padding:12px;font-size:13px;line-height:1.45}.note{background:#f8fafc;color:#475569}.warning{background:#fff7ed;color:#9a3412}.flash-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.flash-meta{display:grid;grid-template-columns:auto 1fr auto 1fr;gap:8px 12px;font-size:12px;margin:12px 0}.flash-meta span{color:var(--muted)}.flash-meta strong{text-align:right;overflow:hidden;text-overflow:ellipsis}details{margin-top:13px}summary{cursor:pointer;font-weight:800;font-size:13px}pre{background:#0b1020;color:#dbeafe;padding:12px;border-radius:12px;max-height:240px;overflow:auto;font-size:11px;white-space:pre-wrap}footer{text-align:center;color:#94a3b8;padding:20px;font-size:12px}
@media(max-width:1050px){.layout{grid-template-columns:1fr}.preview-panel{grid-row:auto}.controls-grid{grid-template-columns:1fr 1fr}.topbar{padding-inline:18px}.layout{padding-inline:18px}}
.status-row{display:flex;gap:8px;flex-wrap:wrap}.badge.warn{background:#fef3c7;color:#92400e}.build-status{margin-top:12px;padding:10px 12px;border-radius:10px;background:#f8fafc;color:#475569;font-size:13px}.build-status.ok{background:#dcfce7;color:#166534}.build-status.warn{background:#fef3c7;color:#92400e}.build-status.bad{background:#fee2e2;color:#991b1b}


.led-hit.center-led{border-width:3px}.led-hit.center-led .led-label{background:#7c3aed}

/* Effect templates */
.template-block{margin-top:16px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fbfdff}.template-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.template-head>div{display:flex;flex-direction:column;gap:2px}.template-head span{font-size:12px;color:var(--muted)}.small-btn{padding:7px 10px;font-size:12px}.template-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.effect-card{border:1px solid var(--line);background:white;border-radius:12px;padding:11px;text-align:left;cursor:pointer;color:var(--ink);min-height:74px}.effect-card:hover{border-color:#94a3b8;background:#f8fafc;transform:translateY(-1px)}.effect-card b{display:block;font-size:13px;margin-bottom:4px}.effect-card span{display:block;font-size:11px;line-height:1.35;color:var(--muted)}
.memory-limit{margin-top:12px;border-radius:12px;padding:11px 12px;background:#f8fafc;border:1px solid var(--line)}.memory-limit>div:first-child{display:flex;justify-content:space-between;gap:12px;font-size:12px}.memory-limit span{color:var(--muted)}.memory-limit small{display:block;color:var(--muted);margin-top:7px;line-height:1.4}.memory-bar{height:7px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-top:8px}.memory-bar i{display:block;width:0;height:100%;background:#16a34a;transition:.2s}.memory-limit.warn{background:#fffbeb;border-color:#fde68a}.memory-limit.warn .memory-bar i{background:#d97706}.memory-limit.bad{background:#fef2f2;border-color:#fecaca}.memory-limit.bad .memory-bar i{background:#dc2626}
.modal[hidden]{display:none}.modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px}.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(3px)}.modal-card{position:relative;width:min(760px,95vw);max-height:85vh;overflow:auto;background:white;border-radius:18px;padding:20px;box-shadow:0 24px 70px rgba(15,23,42,.3)}.modal-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:14px}.modal-head h2{margin:0 0 4px}.modal-head p{margin:0;color:var(--muted);font-size:13px}.icon-close{border:0;background:#f1f5f9;width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:20px}.more-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.template-grid,.more-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}