@property --gh1{syntax: "<number>"; inherits: false; initial-value: 30;}@property --gh2{syntax: "<number>"; inherits: false; initial-value: 85;}@property --gh3{syntax: "<number>"; inherits: false; initial-value: 290;}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--surface: #f5f2ec;--surface2: #ebe8e1;--border: #d8d4cb;--t1: #1c1a16;--t2: #7a776e;--green: #3a9e5c;--red: #d94f4f;--r-lg: 18px;--r-md: 12px;--r-sm: 8px;--shadow: 0 1px 0 rgba(255, 255, 255, .55) inset, 0 2px 6px rgba(0, 0, 0, .18), 0 14px 44px rgba(0, 0, 0, .32);--sans: "DM Sans", system-ui, sans-serif;--mono: "JetBrains Mono", "Cascadia Code", ui-monospace, monospace}body{font-family:var(--sans);background-color:#1c0e40;background-image:radial-gradient(ellipse 90% 65% at 10% 18%,oklch(.72 .24 var(--gh1) / .85) 0%,transparent 60%),radial-gradient(ellipse 80% 55% at 92% 10%,oklch(.78 .2 var(--gh2) / .8) 0%,transparent 55%),radial-gradient(ellipse 75% 60% at 50% 85%,oklch(.62 .24 var(--gh3) / .78) 0%,transparent 55%);background-attachment:fixed;color:var(--t1);min-height:100vh}.hero{padding:100px 32px 80px;text-align:center}.hero-inner{max-width:860px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:18px}.hero-links{display:flex;align-items:center;justify-content:center;gap:20px}.hero-link{font-size:13px;font-weight:500;color:#ffffff80;text-decoration:none;transition:color .15s}.hero-link:hover{color:#ffffffe6}.hero-heading{display:flex;align-items:center;gap:20px}.hero-logo{width:96px;height:96px;display:block;filter:drop-shadow(0 8px 32px rgba(118,75,229,.25))}.hero-title{font-family:var(--mono);font-size:88px;font-weight:500;color:#ffffffeb;letter-spacing:-.05em;line-height:1}.hero-desc{font-size:16px;line-height:1.7;color:#ffffff6b;max-width:480px;text-align:center}.random-btn{font-family:var(--mono);font-size:11px;font-weight:500;padding:8px 0;border-radius:var(--r-sm);background:var(--surface2);border:1.5px solid var(--border);color:var(--t2);cursor:pointer;transition:all .15s;letter-spacing:.03em;width:100%}.random-btn:hover{background:var(--border);color:var(--t1)}.random-btn:active{transform:scale(.98)}body.bg-anim{transition:--gh1 .8s ease,--gh2 .8s ease,--gh3 .8s ease}.app-section{padding:40px 24px 48px}.app-wrap{display:grid;grid-template-columns:350px 1fr;gap:14px;max-width:860px;margin:0 auto}.card{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow)}.left{display:flex;flex-direction:column;overflow:hidden}#swatch{height:130px;flex-shrink:0;border-radius:var(--r-lg) var(--r-lg) 0 0;transition:background-color .08s}.left-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:10px;flex:1}.tabs{display:flex;background:var(--surface2);border-radius:var(--r-sm);padding:3px;gap:2px}.tab{flex:1;font-family:var(--mono);font-size:11px;font-weight:500;padding:6px 0;border:none;border-radius:6px;background:transparent;color:var(--t2);cursor:pointer;transition:all .15s;letter-spacing:.02em}.tab.on{background:var(--surface);color:var(--t1);box-shadow:0 1px 4px #0000001a}.row{display:flex;align-items:stretch;gap:6px}.badge{font-family:var(--mono);font-size:10px;font-weight:500;color:var(--t2);background:var(--surface2);border:1px solid var(--border);border-radius:5px;padding:3px 6px;flex-shrink:0;letter-spacing:.03em}.txt{flex:1;min-width:0;font-family:var(--mono);font-size:12px;border:1.5px solid var(--border);border-radius:var(--r-sm);padding:7px 9px;background:var(--surface2);color:var(--t1);outline:none;transition:border-color .15s,background .15s}.txt:focus{border-color:#aaa8a2;background:var(--surface)}.txt.err{border-color:var(--red)}.ibtn{background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--r-sm);padding:0 10px;cursor:pointer;color:var(--t2);line-height:1;flex-shrink:0;transition:all .15s;display:flex;align-items:center;justify-content:center}.ibtn:hover{background:var(--border);color:var(--t1)}.ibtn.ok{color:var(--green);border-color:var(--green);background:#f0faf4}.color-error{font-size:10.5px;color:var(--red);padding:0 2px}hr.div{border:none;border-top:1px solid var(--border)}.gamut-row{display:flex;align-items:center;justify-content:space-between;gap:6px}.gamut-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;transition:background .2s}.gamut-dot.ok{background:var(--green);box-shadow:0 0 0 2px #d0f0de}.gamut-dot.out{background:#e07b00;box-shadow:0 0 0 2px #fce8c0}.gamut-lbl{font-size:11px;font-weight:500;color:var(--t2);flex:1;transition:color .2s}.gamut-lbl.out{color:#b86200}.gamut-btn{font-family:var(--mono);font-size:10.5px;font-weight:500;padding:4px 9px;border-radius:var(--r-sm);background:#fff4e0;border:1.5px solid #e8c070;color:#9a5500;cursor:pointer;transition:all .15s;display:none}.gamut-btn:hover{background:#ffe8b0;border-color:#d4a030}.out-row{display:flex;align-items:center;gap:6px;padding:5px 6px;border-radius:var(--r-sm);cursor:pointer;transition:background .1s}.out-row:hover{background:var(--surface2)}.out-lbl{font-size:9.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--t2);width:38px;flex-shrink:0}.out-val{font-family:var(--mono);font-size:11.5px;color:var(--t1);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.out-cp{background:none;border:none;cursor:pointer;color:var(--t2);font-size:12px;padding:2px 4px;border-radius:4px;opacity:0;transition:opacity .15s,color .15s}.out-row:hover .out-cp{opacity:1}.out-cp.ok{color:var(--green);opacity:1}.grid{display:flex;flex-direction:column;gap:10px}.sc{flex:1;padding:14px 16px 16px;display:flex;flex-direction:column;gap:10px}.sc-head{display:flex;align-items:center;justify-content:space-between}.sc-title{font-size:13px;font-weight:600;letter-spacing:-.02em}.sc-right{display:flex;align-items:center;gap:6px}.sc-num{font-family:var(--mono);font-size:12px;font-weight:500;width:76px;text-align:right;border:1.5px solid var(--border);border-radius:var(--r-sm);padding:5px 7px;background:var(--surface2);color:var(--t1);outline:none;transition:border-color .15s;-moz-appearance:textfield}.sc-num::-webkit-inner-spin-button,.sc-num::-webkit-outer-spin-button{-webkit-appearance:none}.sc-num:focus{border-color:#aaa8a2}.sw{flex:1;min-height:52px;position:relative;border-radius:10px;overflow:hidden;transition:min-height .2s ease}.sw.sw--out{min-height:64px}.sw-bg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;border-radius:10px}.checker{background-color:#d0cfc9;background-image:linear-gradient(45deg,#fff 25%,transparent 25%),linear-gradient(-45deg,#fff 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#fff 75%),linear-gradient(-45deg,transparent 75%,#fff 75%);background-size:14px 14px;background-position:0 0,0 7px,7px -7px,-7px 0px}.alpha-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.gamut-tick{position:absolute;top:0;bottom:0;width:1.5px;background:#ffffff4d;pointer-events:none;transform:translate(-50%);z-index:1}input[type=range].rng{position:absolute;bottom:0;left:0;right:0;width:100%;height:48px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;cursor:pointer;padding:0;margin:0;border:none;outline:none}input[type=range].rng::-webkit-slider-runnable-track{height:2px;background:#ffffff40;border-radius:1px}input[type=range].rng::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;margin-top:-9px;background:#fff;border-radius:4px;transform:rotate(45deg);box-shadow:0 2px 8px #00000047,0 0 0 1.5px #ffffff80 inset;cursor:grab;transition:transform .1s,box-shadow .1s}input[type=range].rng:active::-webkit-slider-thumb{cursor:grabbing;box-shadow:0 3px 12px #00000059,0 0 0 1.5px #ffffff80 inset}input[type=range].rng::-moz-range-track{height:2px;background:#ffffff40;border-radius:1px}input[type=range].rng::-moz-range-thumb{width:20px;height:20px;background:#fff;border-radius:4px;border:none;transform:rotate(45deg);box-shadow:0 2px 8px #00000047;cursor:grab}.manip-section{padding:64px 24px 0}.manip-grid{display:flex;flex-direction:column;gap:10px}.manip-row-card{overflow:hidden}.manip-row-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--t2);padding:12px 16px 0}.manip-swatches{display:flex;gap:8px;padding:10px 16px 16px}.ms{flex:1;height:80px;border-radius:var(--r-md);position:relative;cursor:pointer;overflow:hidden;transition:transform .12s,box-shadow .12s}.ms:after{content:"";position:absolute;bottom:0;left:0;right:0;height:36px;background:linear-gradient(to top,rgba(0,0,0,.45),transparent);pointer-events:none}.ms:hover:not(.ms-current){transform:translateY(-2px);box-shadow:0 6px 18px #00000059}.ms-current{cursor:default;box-shadow:0 0 0 2.5px var(--t1) inset}.ms-lbl{position:absolute;bottom:6px;left:0;right:0;text-align:center;font-family:var(--mono);font-size:9px;font-weight:500;color:#ffffffe6;letter-spacing:.03em;z-index:1}.harm-section{padding:64px 24px 0}.harm-wrap{padding:16px;display:flex;flex-direction:column;gap:14px}.harm-tabs{display:flex;background:var(--surface2);border-radius:var(--r-sm);padding:3px;gap:2px}.harm-tab{flex:1;font-family:var(--mono);font-size:10px;font-weight:500;padding:6px 0;border:none;border-radius:6px;background:transparent;color:var(--t2);cursor:pointer;transition:all .15s;letter-spacing:.02em}.harm-tab.on{background:var(--surface);color:var(--t1);box-shadow:0 1px 4px #0000001a}.harm-swatches{display:flex;gap:8px}.hs{flex:1;height:100px;border-radius:var(--r-md);position:relative;cursor:pointer;overflow:hidden;transition:transform .12s,box-shadow .12s}.hs:after{content:"";position:absolute;bottom:0;left:0;right:0;height:40px;background:linear-gradient(to top,rgba(0,0,0,.45),transparent);pointer-events:none}.hs:hover{transform:translateY(-2px);box-shadow:0 6px 18px #00000059}.hs-hex{position:absolute;bottom:8px;left:0;right:0;text-align:center;font-family:var(--mono);font-size:10px;color:#ffffffe6;letter-spacing:.03em;z-index:1}.a11y-section{padding:64px 24px 0}.a11y-wrap{display:grid;grid-template-columns:350px 1fr;gap:14px}.a11y-left{display:flex;flex-direction:column;overflow:hidden}.a11y-preview{flex:1;min-height:120px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:10px;padding:24px 20px;border-radius:var(--r-lg) var(--r-lg) 0 0;transition:background-color .12s;background-color:#cf674a}.a11y-sample{font-size:28px;font-weight:600;letter-spacing:-.02em;line-height:1;color:#202122;transition:color .12s}.a11y-sample.sm{font-size:13px;font-weight:400;letter-spacing:0;line-height:1.5}.a11y-controls{padding:14px 16px 16px;display:flex;align-items:flex-end;gap:8px}.a11y-pair{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.a11y-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--t2)}.a11y-color-row{display:flex;align-items:center;gap:6px}.a11y-picker{width:32px;height:32px;padding:2px;border:1.5px solid var(--border);border-radius:var(--r-sm);background:var(--surface2);cursor:pointer;flex-shrink:0}.a11y-hex{flex:1;min-width:0;font-size:12px}.a11y-swap{background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--r-sm);padding:7px 9px;cursor:pointer;color:var(--t2);font-size:16px;line-height:1;flex-shrink:0;transition:all .15s;margin-bottom:1px}.a11y-swap:hover{background:var(--border);color:var(--t1)}.a11y-metrics{display:flex;flex-direction:column;gap:10px}.a11y-metric-card{padding:16px 18px;display:flex;flex-direction:column;gap:12px;flex:1}.a11y-metric-header{display:flex;align-items:baseline;gap:8px}.a11y-metric-title{font-size:13px;font-weight:600;letter-spacing:-.02em;color:var(--t1)}.a11y-metric-link{font-size:10.5px;font-weight:500;color:var(--t2);text-decoration:none;transition:color .15s;flex:1}.a11y-metric-link:hover{color:var(--t1)}.a11y-metric-val{font-family:var(--mono);font-size:18px;font-weight:500;color:var(--t1);letter-spacing:-.03em;margin-left:auto}.a11y-badge-row{display:flex;flex-wrap:wrap;gap:6px}.a11y-badge{font-family:var(--mono);font-size:10.5px;font-weight:500;padding:4px 9px;border-radius:6px;letter-spacing:.01em}.a11y-badge.pass{background:#e8f8ee;border:1.5px solid #a8ddb8;color:#1e7a3c}.a11y-badge.fail{background:#fdf0f0;border:1.5px solid #f0b8b8;color:#b03030}.gs-section{padding:64px 24px}.section-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:32px}.section-title{font-size:28px;font-weight:600;letter-spacing:-.03em;color:#ffffffd9}.section-desc{font-size:14px;line-height:1.7;color:#ffffff61;max-width:600px;margin-top:-16px}.gs-steps{display:flex;flex-direction:column;gap:24px}.gs-step{display:flex;flex-direction:column;gap:10px}.gs-step-label{font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:#ffffff59}.code-block{position:relative;background:#00000059;border:1px solid rgba(255,255,255,.07);border-radius:var(--r-md);overflow:hidden}.code-block pre{padding:20px 52px 20px 22px;overflow-x:auto}.code-block code{font-family:var(--mono);font-size:13px;line-height:1.75;color:#ffffff9e;white-space:pre}.code-copy{position:absolute;top:10px;right:10px;background:#ffffff12;border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:5px 9px;color:#fff6;font-size:13px;cursor:pointer;transition:all .15s;line-height:1}.code-copy:hover{background:#ffffff24;color:#fffc}.faq-section{padding:48px 24px 80px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{display:flex;flex-direction:column;gap:8px;padding:22px 24px;background:var(--surface);border-radius:var(--r-md);box-shadow:var(--shadow)}.faq-q{font-size:14px;font-weight:600;letter-spacing:-.02em;color:var(--t1)}.faq-a{font-size:13.5px;line-height:1.65;color:var(--t2)}.faq-a code{font-family:var(--mono);font-size:12px;background:var(--surface2);border:1px solid var(--border);border-radius:4px;padding:1px 5px;color:var(--t1)}.footer{padding:28px 24px;text-align:center;border-top:1px solid rgba(255,255,255,.07)}.footer p{font-size:13px;color:#ffffff4d}.footer a{color:#ffffff8c;text-decoration:none;transition:color .15s}.footer a:hover{color:#ffffffe6}@media (max-width: 860px){.app-wrap,.a11y-wrap,.faq-grid{grid-template-columns:1fr}}@media (max-width: 600px){.hero{padding:64px 20px 56px}.hero-inner,.hero-heading{gap:14px}.hero-logo{width:56px;height:56px}.hero-title{font-size:52px}.hero-desc{font-size:14.5px}.hero-links{gap:16px}.app-section{padding:28px 16px 36px}.manip-section,.harm-section{padding:48px 16px 0}.ms{height:64px}.hs{height:80px}.harm-tabs{flex-wrap:wrap}.harm-tab{flex:0 0 auto;font-size:10px;padding:6px 10px}.gs-section{padding:48px 16px}.faq-section{padding:36px 16px 60px}.section-title{font-size:22px}.code-block pre{padding:16px 44px 16px 16px}.code-block code{font-size:12px}.faq-item{padding:18px 20px}.sc-num{width:64px}}