:root{--bg-dark:#080b11;--bg-darker:#040608;--bg-sidebar:#0b0f19;--bg-card:#121826bf;--bg-card-hover:#1a2337e6;--bg-glass:#ffffff08;--bg-glass-active:#ffffff14;--border-color:#ffffff14;--border-color-hover:#fff3;--border-glow:#6366f166;--primary:#6366f1;--primary-hover:#4f46e5;--primary-glow:#6366f173;--secondary:#8b5cf6;--secondary-glow:#8b5cf673;--accent-cyan:#00f0ff;--accent-cyan-glow:#00f0ff66;--accent-green:#10b981;--accent-amber:#f59e0b;--accent-red:#ef4444;--key-unit:46px;--key-bg:#141b2d;--key-bg-hover:#1e2942;--key-bg-active:#00f0ff;--key-border:#232f48;--key-text:#e2e8f0;--key-subtext:#64748b;--text-main:#f8fafc;--text-muted:#94a3b8;--text-dim:#64748b;--font-sans:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:"Cascadia Code", "Consolas", "Segoe UI Mono", "Courier New", monospace;--radius-xl:16px;--radius-lg:12px;--radius-md:8px;--radius-sm:6px;--shadow-sm:0 2px 8px #00000040;--shadow-md:0 8px 24px #00000059;--shadow-lg:0 16px 40px #00000080;--shadow-glow:0 0 25px var(--primary-glow);--shadow-cyan-glow:0 0 20px var(--accent-cyan-glow);--transition-fast:all .15s ease;--transition-normal:all .25s cubic-bezier(.16, 1, .3, 1);--transition-slow:all .4s cubic-bezier(.16, 1, .3, 1)}.app-wrapper{width:100%;min-height:100vh;display:flex}.sidebar{background:var(--bg-sidebar);border-right:1px solid var(--border-color);z-index:50;backdrop-filter:blur(12px);flex-direction:column;flex-shrink:0;width:260px;display:flex}.sidebar-brand{border-bottom:1px solid var(--border-color);align-items:center;gap:.95rem;padding:1.25rem 1.15rem;display:flex}.sidebar-logo-badge{filter:drop-shadow(0 0 12px #00f5ff66)drop-shadow(0 0 4px #6366f159);background:0 0;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;padding:0;transition:transform .2s,filter .2s;display:flex;overflow:visible}.sidebar-logo-badge:hover{filter:drop-shadow(0 0 16px #00f5ffa6)drop-shadow(0 0 8px 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var(--primary);background:linear-gradient(90deg,#6366f126,#8b5cf60d);border-color:#6366f14d;font-weight:600}.nav-icon{width:22px;height:22px;color:inherit;flex-shrink:0;justify-content:center;align-items:center;display:flex}.nav-icon svg{width:18px;height:18px;stroke:var(--text-muted);transition:stroke 80ms,filter 80ms;display:block}.nav-item-btn:hover .nav-icon svg{stroke:#fff}.nav-item-btn.active .nav-icon svg{stroke:var(--accent-cyan,#00f0ff);filter:drop-shadow(0 0 6px #00f0ff73)}.sidebar-footer{border-top:1px solid var(--border-color);flex-direction:column;gap:.5rem;padding:.85rem .85rem 1rem;display:flex}.sidebar-footer-grid{justify-content:space-between;align-items:center;gap:.55rem;width:100%;display:flex}.sidebar-icon-btn{border:1px solid var(--border-color);border-radius:var(--radius-md);height:40px;color:var(--text-muted);cursor:pointer;transition:var(--transition-normal);background:#ffffff08;flex:1;justify-content:center;align-items:center;padding:0;display:flex}.sidebar-icon-btn:hover{background:var(--bg-card);color:var(--accent-cyan);border-color:#00f0ff66;transform:translateY(-2px);box-shadow:0 0 12px #00f0ff2e}.sidebar-icon-btn:active{transform:translateY(0)}.sidebar-icon-btn .footer-btn-icon{width:20px;height:20px;color:inherit;justify-content:center;align-items:center;display:flex}.sidebar-icon-btn .footer-btn-icon svg{stroke:currentColor;width:18px;height:18px;display:block}.device-chip{display:none}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-dark);color:var(--text-main);background-image:radial-gradient(circle at 10% 20%,#6366f114 0%,#0000 40%),radial-gradient(circle at 90% 80%,#8b5cf614 0%,#0000 40%),radial-gradient(circle,#00f0ff08 0%,#0000 60%);min-height:100vh;display:flex;overflow-x:hidden}.main-content{background:0 0;flex-direction:column;flex:1;height:100vh;display:flex;overflow-y:auto}.top-bar{backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);z-index:40;background:#080b11d9;justify-content:space-between;align-items:center;gap:1rem;min-width:0;padding:.75rem 1.5rem;display:flex;position:sticky;top:0}.top-bar-left{flex:none;align-items:center;gap:.75rem;min-width:0;max-width:340px;display:flex;overflow:hidden}.view-title-wrap{min-width:0;overflow:hidden}.view-title-wrap h1{letter-spacing:-.02em;white-space:nowrap;text-overflow:ellipsis;font-size:1.15rem;font-weight:700;line-height:1.25;overflow:hidden}.view-title-wrap p{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;max-width:320px;margin-top:2px;font-size:.75rem;line-height:1.25;overflow:hidden}.top-bar-actions{flex:none;align-items:center;gap:.5rem;margin-left:auto;display:flex}@media (width<=1250px){.view-title-wrap p{display:none}}@media (width<=1100px){.topbar-unsaved-text{display:none!important}}@media (width<=950px){.top-bar{gap:.5rem;padding:.5rem .75rem}.top-bar-left{max-width:180px}.view-title-wrap h1{font-size:1rem}.device-badge{display:none!important}}.view-container{padding:1rem 1.5rem;animation:.25s cubic-bezier(.16,1,.3,1) fadeIn;display:none}.view-container.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.grid-2{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:1.25rem;margin-top:.75rem;display:grid}.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem;margin-top:.75rem;display:grid}.keyboard-canvas-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);backdrop-filter:blur(16px);margin-bottom:1rem;padding:1rem 1.25rem}.keyboard-canvas-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.layer-selector{background:var(--bg-darker);border-radius:var(--radius-md);border:1px solid var(--border-color);gap:.2rem;padding:.2rem;display:flex}.layer-btn{border-radius:var(--radius-sm);color:var(--text-muted);font-size:.8rem;font-weight:600;font-family:var(--font-mono);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;padding:.35rem .85rem}.layer-btn:hover{color:var(--text-main);background:var(--bg-glass)}.layer-btn.active{background:var(--primary);color:#fff;box-shadow:0 0 12px var(--primary-glow)}.keyboard-scroll-wrapper{box-sizing:content-box;justify-content:center;align-items:flex-start;width:100%;padding:4px 0 18px;display:flex;position:relative;overflow:visible}.keyboard-canvas{width:calc(var(--keyboard-width-units,22.5) * var(--key-unit) + 36px);height:calc(var(--keyboard-height-units,6.25) * var(--key-unit) + 36px);user-select:none;transform-origin:top;background:linear-gradient(#141b2b 0%,#0c101a 60%,#06080e 100%);border:2px solid #ffffff1f;border-radius:18px;flex-shrink:0;padding:18px;transition:transform 80ms ease-out;position:relative;box-shadow:0 12px 32px #000000bf,0 0 0 1px #000000e6,inset 0 1px 1px #ffffff26,inset 0 -3px 12px #000c}.keyboard-canvas.has-sidelights:before,.keyboard-canvas.has-sidelights:after{content:"";top:calc(.85 * var(--key-unit) + 18px);height:calc((var(--keyboard-height-units,6.25) - 1.7) * var(--key-unit));background:#ffffff0f;border-radius:2px;width:4px;position:absolute;box-shadow:inset 0 0 2px #000000e6}.keyboard-canvas.has-sidelights:before{left:6px}.keyboard-canvas.has-sidelights:after{right:6px}.palette-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);backdrop-filter:blur(16px);padding:1rem 1.25rem}.palette-header{border-bottom:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:.75rem;padding-bottom:.75rem;display:flex}.palette-category-tabs{flex-wrap:wrap;gap:.5rem;display:flex}.cat-tab-btn{border-radius:var(--radius-md);background:var(--bg-glass);border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;transition:var(--transition-fast);padding:.45rem .9rem;font-size:.85rem;font-weight:500}.cat-tab-btn:hover{color:var(--text-main);background:var(--bg-card-hover)}.cat-tab-btn.active{border-color:var(--accent-cyan);color:var(--accent-cyan);box-shadow:0 0 10px var(--accent-cyan-glow);background:#00f0ff26}.palette-grid{grid-template-columns:repeat(auto-fill,minmax(95px,1fr));gap:.5rem;max-height:280px;padding-right:.5rem;display:grid;overflow-y:auto}.keycap-btn{background:var(--key-bg,#111726);border:1px solid var(--key-border,#ffffff1a);border-radius:var(--radius-sm,6px);cursor:pointer;user-select:none;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;padding:2px 3px;transition:transform 80ms,border-color .15s,box-shadow .15s,background-color .15s;display:flex;position:absolute;overflow:hidden;box-shadow:0 3px #00000080}.keycap-btn.has-dual-legend{justify-content:space-between;align-items:stretch;padding:3px 4px}.keycap-btn.is-custom-mapped{background:#0f1c2e;border-color:#00f0ff59}.keycap-btn.is-trns{opacity:.75;border-style:dashed;border-color:#ffffff1f}.keycap-btn:hover{background:var(--key-bg-hover,#1a233a);z-index:5;border-color:#ffffff59;transform:translateY(-1px)}.keycap-btn:active{transform:translateY(2px);box-shadow:0 1px #00000080}.keycap-btn.selected{border-color:var(--accent-cyan,#00f0ff);box-shadow:0 0 14px var(--accent-cyan-glow,#00f0ff66), inset 0 0 8px 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8px;pointer-events:none;white-space:nowrap;text-overflow:ellipsis;text-align:center;max-width:90%;font-size:.72rem;font-weight:700;overflow:hidden}.lighting-knob-preview{cursor:pointer;color:#94a3b8!important;background:radial-gradient(circle at 35% 35%,#2a3342,#10151d)!important;border:2px solid #ffffff40!important;border-radius:50%!important;box-shadow:0 2px 8px #0009,inset 0 1px 1px #ffffff26!important}.lighting-knob-preview .l-legend{justify-content:center;align-items:center;display:flex;text-shadow:none!important;color:#ffffffb3!important}.lighting-knob-preview:hover{border-color:var(--accent-cyan,#00f0ff)!important;box-shadow:0 0 12px #00f0ff66,inset 0 1px 1px #fff3!important}.lighting-logo-badge{cursor:pointer;contain:layout style;will-change:background-color;box-sizing:border-box!important;border-radius:9999px!important;justify-content:center!important;align-items:center!important;min-height:0!important;padding:0!important;transition:transform 80ms!important;display:flex!important}.keycap-logo-badge,.lighting-keycap.logo-keycap{box-sizing:border-box!important;border-radius:9999px!important;justify-content:center!important;align-items:center!important;min-height:0!important;padding:0!important;display:flex!important}.lighting-logo-badge .l-legend,.lighting-keycap.logo-keycap .l-legend,.keycap-logo-badge .key-primary,.keycap-logo-badge .key-secondary{display:none!important}.side-diffusers-container{pointer-events:none;z-index:4;width:100%;height:100%;position:absolute;top:0;left:0}.side-diffuser-segment{pointer-events:auto;cursor:pointer;contain:layout style;will-change:background-color, box-shadow;background:#ffffff1f;border:1px solid #ffffff26;border-radius:3px;width:5px;height:18px;transition:transform .1s,box-shadow .12s;position:absolute}.side-diffuser-segment:hover{z-index:10;transform:scale(1.25)}.side-diffuser-left{left:6px}.side-diffuser-right{right:6px}.live-dot-pulse{background:#10b981;border-radius:50%;width:10px;height:10px;animation:1.8s ease-in-out infinite pulseLive;display:inline-block;box-shadow:0 0 10px #10b981}@keyframes pulseLive{0%{opacity:.7;transform:scale(.9);box-shadow:0 0 4px #10b981}50%{opacity:1;transform:scale(1.25);box-shadow:0 0 14px #10b981}to{opacity:.7;transform:scale(.9);box-shadow:0 0 4px #10b981}}.badge-pill{background:var(--bg-darker);border:1px solid var(--border-color);font-size:.78rem;font-family:var(--font-mono);color:var(--accent-cyan);border-radius:20px;align-items:center;gap:.5rem;padding:.35rem .85rem;display:inline-flex;box-shadow:inset 0 0 8px #00f0ff1a}.palette-key-btn{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-main);cursor:pointer;transition:var(--transition-fast);text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:52px;padding:.65rem .4rem;display:flex}.palette-key-btn:hover{border-color:var(--accent-cyan);box-shadow:0 0 10px var(--accent-cyan-glow);background:#00f0ff1a;transform:translateY(-2px)}.pal-label{font-size:.85rem;font-weight:700;line-height:1.1}.pal-name{color:var(--text-muted);font-size:.62rem;font-family:var(--font-mono);margin-top:2px}.encoder-slots-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.knob-slot-btn{background:var(--bg-darker);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-normal);flex-direction:column;padding:1rem;display:flex}.knob-slot-btn:hover{border-color:var(--secondary);background:var(--bg-card)}.knob-slot-btn.selected{border-color:var(--accent-cyan);box-shadow:0 0 12px var(--accent-cyan-glow);background:#00f0ff14}.slot-dir{color:var(--text-muted);text-transform:uppercase;font-size:.75rem;font-weight:600}.slot-code{color:var(--text-main);font-size:1.1rem;font-weight:700;font-family:var(--font-mono);margin-top:.35rem}.tester-keycap{border-radius:var(--radius-sm);color:var(--text-muted);background:#111827;border:1px solid #ffffff1a;justify-content:center;align-items:center;font-size:.75rem;font-weight:600;transition:background-color 50ms,border-color 50ms;display:flex;position:absolute}.tester-keycap.tested{color:#34d399;background:#06281e;border-color:#10b98180}.tester-keycap.pressed{transform:scale(.96);box-shadow:0 0 15px #10b981cc;background:var(--accent-green)!important;color:#000!important}.history-chip{background:var(--bg-darker);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-family:var(--font-mono);align-items:center;gap:.4rem;margin:.25rem;padding:.35rem .65rem;font-size:.75rem;display:inline-flex}.chip-code{color:var(--accent-cyan);font-weight:600}.chip-time{color:var(--text-dim)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-normal);border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.btn svg{stroke:currentColor;flex-shrink:0;width:15px;height:15px;display:block}.settings-card-icon svg{stroke:currentColor;width:22px;height:22px;display:block}.modal-section-title span:first-child svg{stroke:currentColor;width:16px;height:16px;display:block}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;box-shadow:0 4px 14px var(--primary-glow)}.btn-primary:hover:not(:disabled){box-shadow:0 6px 20px var(--primary-glow);transform:translateY(-2px)}.btn-secondary{background:var(--bg-card);color:var(--text-main);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--border-color-hover)}.btn-danger{color:#f87171;background:#ef44441f;border-color:#ef444459}.btn-danger:hover:not(:disabled){color:#fff;background:#ef4444;border-color:#ef4444;box-shadow:0 0 16px #ef444473}.btn:disabled{opacity:.4;cursor:not-allowed;filter:grayscale()}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-main);margin-bottom:.5rem;font-size:.85rem;font-weight:600;display:block}.form-control{background:var(--bg-darker);border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;color:var(--text-main);font-family:var(--font-sans);transition:var(--transition-fast);padding:.65rem .85rem;font-size:.9rem}.form-control:focus{border-color:var(--primary);box-shadow:0 0 10px var(--primary-glow);outline:none}.range-slider-wrap{align-items:center;gap:1rem;display:flex}.range-slider{accent-color:var(--primary);flex:1}.color-input-wrap{align-items:center;gap:.85rem;display:flex}.color-picker-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;background:0 0;border:none;flex-shrink:0;width:48px;height:38px}.color-picker-input::-webkit-color-swatch{border-radius:var(--radius-sm);border:2px solid var(--border-color);box-shadow:0 0 8px #0006}.color-item-card{background:var(--bg-darker);border:1px solid var(--border-color);border-radius:var(--radius-md);justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1rem;display:flex}.color-item-info{flex-direction:column;gap:.2rem;display:flex}.color-item-info strong{color:var(--text-main);font-size:.85rem}.color-item-info span{color:var(--text-muted);font-size:.75rem}.lighting-tabs-header{background:var(--bg-darker);border-radius:var(--radius-lg);border:1px solid 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