:root{--bg:#0c0d10;--ink:#eef0f5;--muted:#9aa0ad;--line:rgba(160,170,190,.14);--card:rgba(20,22,28,.62);--accent:#f0f2f7;--spectrum:linear-gradient(100deg,#f87171,#fbbf24,#34d399,#22d3ee,#818cf8,#e879f9);--mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;--radius:20px;--shadow:0 30px 80px -30px rgba(0,0,0,.85)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.5}.bg-wrap{position:fixed;inset:0;z-index:-3;background:radial-gradient(1200px 800px at 84% -12%,#171a20 0,transparent 60%),radial-gradient(1000px 700px at 2% 108%,#14161c 0,transparent 55%),var(--bg)}.blob{position:fixed;border-radius:50%;filter:blur(90px);opacity:.22;z-index:-2;animation:float 32s ease-in-out infinite;will-change:transform}.b1{width:44vw;height:44vw;left:-12vw;top:-14vw;background:radial-gradient(circle at 30% 30%,#f87171,transparent 66%)}.b2{width:42vw;height:42vw;right:-14vw;top:6vh;background:radial-gradient(circle at 60% 40%,#22d3ee,transparent 64%);animation-delay:-11s}.b3{width:40vw;height:40vw;left:28vw;bottom:-22vw;background:radial-gradient(circle at 50% 50%,#818cf8,transparent 62%);animation-delay:-19s}@keyframes float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(4vw,3vh) scale(1.07)}66%{transform:translate(-3vw,-2vh) scale(.95)}}.grid-overlay{position:fixed;inset:0;z-index:-1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:radial-gradient(1100px 700px at 50% -5%,#000 0,transparent 78%);mask-image:radial-gradient(1100px 700px at 50% -5%,#000 0,transparent 78%);opacity:.45}@media (prefers-reduced-motion:reduce){.blob{animation:none}}.shell{max-width:720px;margin:0 auto;padding:30px 22px 60px}.brand-row{display:flex;align-items:center;gap:11px;margin-bottom:26px}.logo-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--spectrum);box-shadow:0 8px 26px -8px rgba(129,140,248,.5)}.wordmark{font-weight:800;font-size:20px;letter-spacing:-.02em}.wordmark b{background:var(--spectrum);-webkit-background-clip:text;background-clip:text;color:transparent}.hero{text-align:center;margin:6px auto 22px;max-width:600px}.hero h1{font-size:clamp(30px,5.4vw,50px);line-height:1.05;letter-spacing:-.035em;font-weight:850;margin:0 0 12px}.grad{background:var(--spectrum);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:var(--muted);font-size:clamp(15px,2.2vw,17px);margin:0 auto;max-width:500px}.preview{position:relative;height:150px;border-radius:18px;border:1px solid var(--line);overflow:hidden;margin-bottom:16px;box-shadow:var(--shadow)}.preview .cbg{background-image:linear-gradient(45deg,#24262c 25%,transparent 0),linear-gradient(-45deg,#24262c 25%,transparent 0),linear-gradient(45deg,transparent 75%,#24262c 0),linear-gradient(-45deg,transparent 75%,#24262c 0);background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0}.preview .cbg,.preview .swatch{position:absolute;inset:0}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow)}.pick{display:flex;gap:12px;align-items:center;margin-bottom:8px}.pick input[type=color]{width:54px;height:48px;background:none;cursor:pointer;padding:3px;flex-shrink:0}.pick .field,.pick input[type=color]{border:1px solid var(--line);border-radius:12px}.pick .field{flex:1 1;min-width:0;background:rgba(12,13,16,.75);color:var(--ink);padding:13px 14px;font-family:var(--mono);font-size:15px;outline:none}.pick .field:focus{border-color:#818cf8;box-shadow:0 0 0 3px rgba(129,140,248,.16)}.pick .field.bad{border-color:#f87171}.alpha{margin:12px 0 4px;display:flex;align-items:center;gap:12px}.alpha label{font-size:11.5px;color:var(--muted);font-weight:600;white-space:nowrap}.alpha input[type=range]{flex:1 1;accent-color:#818cf8}.alpha .av{font-family:var(--mono);font-size:13px;color:var(--ink);width:42px;text-align:right}.outs{flex-direction:column;gap:10px;margin-top:16px}.orow,.outs{display:flex}.orow{align-items:center;gap:12px;background:rgba(12,13,16,.55);border:1px solid var(--line);border-radius:12px;padding:12px 14px}.orow .tag{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.04em;width:44px;flex-shrink:0}.orow .code{flex:1 1;font-family:var(--mono);font-size:14.5px;word-break:break-all}.orow .copy{background:none;border:1px solid var(--line);color:var(--muted);border-radius:9px;padding:7px 11px;font-size:12px;font-weight:600;cursor:pointer;flex-shrink:0}.orow .copy:hover{color:var(--ink);border-color:var(--ink)}.swatches{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap;justify-content:center}.swatches button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);cursor:pointer;padding:0}.note{margin-top:16px;font-size:12px;text-align:center;line-height:1.6;border-top:1px solid var(--line);padding-top:14px}.footer,.note{color:var(--muted)}.footer{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center;font-size:13px}.footer .sep{opacity:.4}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:rgba(20,22,28,.96);border:1px solid var(--line);color:var(--ink);padding:10px 18px;border-radius:12px;font-size:13px;font-weight:600;box-shadow:var(--shadow);z-index:10}