*{box-sizing:border-box;margin:0;padding:0}
:root{
  color-scheme:light;
  --bg:#fbfaf7;--bg-soft:#f2f0ea;--panel:#ffffff;--panel-2:#f7f5ef;--fg:#181815;--muted:#66655f;--subtle:#96948c;--line:#dedbd0;
  --accent:#e24b4a;--accent-2:#d4537e;--good:#087f5b;--bad:#b42318;--warn:#a15c07;
  --shadow:0 16px 50px rgba(24,24,21,.08);--shadow-soft:0 6px 22px rgba(24,24,21,.07);
  --radius:18px;--radius-sm:12px;--radius-xs:8px;
  --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
@media(prefers-color-scheme:dark){:root[data-theme="system"]{color-scheme:dark;--bg:#11110f;--bg-soft:#191916;--panel:#1d1d1a;--panel-2:#24241f;--fg:#f3f1e9;--muted:#aaa69a;--subtle:#777368;--line:#343229;--accent:#f09595;--accent-2:#ed93b1;--shadow:0 16px 50px rgba(0,0,0,.36);--shadow-soft:0 6px 22px rgba(0,0,0,.28)}}
:root[data-theme="dark"]{color-scheme:dark;--bg:#11110f;--bg-soft:#191916;--panel:#1d1d1a;--panel-2:#24241f;--fg:#f3f1e9;--muted:#aaa69a;--subtle:#777368;--line:#343229;--accent:#f09595;--accent-2:#ed93b1;--shadow:0 16px 50px rgba(0,0,0,.36);--shadow-soft:0 6px 22px rgba(0,0,0,.28)}
html{scroll-behavior:smooth}body{min-height:100vh;background:radial-gradient(circle at 20% -10%,rgba(226,75,74,.16),transparent 34%),radial-gradient(circle at 90% 10%,rgba(212,83,126,.13),transparent 30%),var(--bg);color:var(--fg);font-family:var(--font);line-height:1.5;overflow-x:hidden}a{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.wrap{max-width:1220px;margin:0 auto;padding:0 1.25rem}.header{position:sticky;top:0;z-index:10;backdrop-filter:blur(18px);background:color-mix(in srgb,var(--bg) 88%,transparent);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0}.logo{font-weight:850;letter-spacing:-.05em;font-size:1.32rem;text-decoration:none}.logo span{color:var(--accent)}.nav{display:flex;align-items:center;gap:.35rem;overflow-x:auto;white-space:nowrap}.nav a,.theme-btn{font-size:.86rem;text-decoration:none;color:var(--muted);border:1px solid transparent;background:transparent;border-radius:999px;padding:.48rem .72rem;cursor:pointer;font-family:var(--font)}.nav a:hover,.theme-btn:hover{color:var(--fg);background:var(--panel-2);border-color:var(--line)}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:2rem;align-items:center;padding:4.25rem 0 2rem}.eyebrow{display:inline-flex;align-items:center;gap:.45rem;font-size:.78rem;font-weight:750;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--accent) 28%,transparent);border-radius:999px;padding:.36rem .65rem;margin-bottom:1rem}.hero h1{font-size:clamp(2.35rem,5.5vw,5rem);line-height:.96;letter-spacing:-.075em;max-width:780px}.hero p{font-size:1.08rem;color:var(--muted);max-width:610px;margin-top:1rem}.hero-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.35rem}.btn{appearance:none;border:1px solid var(--line);background:var(--panel);color:var(--fg);font-family:var(--font);font-weight:750;font-size:.9rem;border-radius:999px;padding:.72rem 1rem;cursor:pointer;box-shadow:0 1px 0 rgba(0,0,0,.03);transition:transform .15s,background .15s,border-color .15s}.btn:hover{transform:translateY(-1px);background:var(--panel-2);border-color:color-mix(in srgb,var(--fg) 24%,var(--line))}.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn.small{padding:.52rem .72rem;font-size:.8rem}.btn.active{background:var(--fg);color:var(--bg);border-color:var(--fg)}.preview-card{background:linear-gradient(145deg,color-mix(in srgb,var(--panel) 95%,transparent),color-mix(in srgb,var(--panel-2) 92%,transparent));border:1px solid var(--line);border-radius:28px;padding:1rem;box-shadow:var(--shadow);overflow:hidden}.preview-bars{display:grid;grid-template-columns:1.4fr .9fr .65fr;gap:.55rem;height:275px}.preview-bars span{border-radius:20px;display:flex;align-items:flex-end;padding:.85rem;color:#fff;font-family:var(--mono);font-size:.75rem;font-weight:800;text-shadow:0 1px 8px rgba(0,0,0,.24)}.preview-ui{margin-top:.8rem;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:1rem;display:grid;gap:.75rem}.preview-ui .line{height:10px;border-radius:999px;background:var(--line)}.preview-ui .line.short{width:55%}.preview-ui .fake-btn{display:inline-flex;width:max-content;border-radius:999px;padding:.52rem .8rem;font-size:.78rem;font-weight:800}.main{padding:1.5rem 0 4rem}.tool-panel{background:color-mix(in srgb,var(--panel) 94%,transparent);border:1px solid var(--line);border-radius:28px;padding:1rem;box-shadow:var(--shadow-soft);margin-bottom:1.5rem}.controls{display:grid;grid-template-columns:1fr auto auto auto;gap:.75rem;align-items:center}.field{display:flex;align-items:center;gap:.65rem;background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:.38rem .55rem}.field input[type=color]{width:44px;height:44px;border:0;background:transparent;cursor:pointer}.field input[type=color]::-webkit-color-swatch-wrapper{padding:0}.field input[type=color]::-webkit-color-swatch{border:0;border-radius:50%}.hex-input,.select{font-family:var(--mono);border:0;background:transparent;color:var(--fg);font-size:.95rem;outline:0}.hex-input{width:105px;text-transform:uppercase}.select{font-family:var(--font);background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:.78rem .95rem;cursor:pointer}.preset-row{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.85rem}.preset{display:inline-flex;align-items:center;gap:.42rem;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:.45rem .62rem;font-size:.78rem;color:var(--muted);cursor:pointer}.dot{width:14px;height:14px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}.section{padding:2rem 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1rem}.section h2{font-size:1.55rem;letter-spacing:-.04em}.section p.lead{color:var(--muted);font-size:.95rem;max-width:720px}.palette-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));gap:.7rem}.swatch,.shade,.extracted-swatch{border:0;cursor:pointer;font-family:var(--font);text-align:left}.swatch{min-height:180px;border-radius:22px;padding:1rem;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow-soft);transition:transform .16s}.swatch:hover{transform:translateY(-3px)}.swatch-hex,.shade-hex{font-family:var(--mono);font-weight:850}.swatch-name{font-size:.78rem;opacity:.72}.shades-row{display:grid;grid-template-columns:repeat(11,1fr);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-soft)}.shade{min-height:88px;display:flex;flex-direction:column;align-items:center;justify-content:center}.shade-label{font-family:var(--mono);font-weight:850;font-size:.72rem}.shade-hex{font-size:.62rem;opacity:.72;margin-top:.15rem}.grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:1rem}.card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:1rem;box-shadow:var(--shadow-soft)}.manual-contrast{display:grid;grid-template-columns:1fr 1fr auto;gap:.75rem;align-items:end}.mini-label{font-size:.75rem;font-weight:800;color:var(--muted);display:block;margin-bottom:.35rem}.contrast-result{font-family:var(--mono);font-weight:900;font-size:1.5rem}.badge{display:inline-flex;border-radius:999px;padding:.22rem .48rem;font-size:.65rem;font-weight:900;text-transform:uppercase}.pass{background:color-mix(in srgb,var(--good) 15%,transparent);color:var(--good)}.fail{background:color-mix(in srgb,var(--bad) 15%,transparent);color:var(--bad)}.contrast-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.75rem;margin-top:1rem}.contrast-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:.8rem}.contrast-preview{border-radius:14px;padding:.85rem;text-align:center;font-weight:850}.contrast-meta{display:grid;grid-template-columns:1fr auto auto;gap:.4rem;align-items:center;margin-top:.55rem;font-size:.72rem;color:var(--muted)}.tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.75rem}.export-block{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:1rem;box-shadow:var(--shadow-soft)}.export-block pre{font-family:var(--mono);font-size:.78rem;line-height:1.7;white-space:pre-wrap;word-break:break-word;max-height:370px;overflow:auto;color:var(--fg);padding-right:4rem}.copy-btn{position:absolute;top:.8rem;right:.8rem;border:1px solid var(--line);background:var(--panel-2);color:var(--fg);border-radius:999px;padding:.42rem .62rem;font-family:var(--mono);font-size:.7rem;cursor:pointer}.upload{border:2px dashed var(--line);background:var(--panel);border-radius:24px;padding:2.6rem 1.2rem;text-align:center;cursor:pointer;color:var(--muted)}.upload:hover,.upload.active{border-color:var(--accent);color:var(--fg)}.extracted-palette{display:grid;grid-template-columns:repeat(6,1fr);overflow:hidden;border-radius:20px;margin-top:1rem;box-shadow:var(--shadow-soft)}.extracted-swatch{height:94px;display:flex;align-items:flex-end;justify-content:center;padding:.6rem}.gradient-preview{height:150px;border-radius:24px;box-shadow:var(--shadow-soft);margin:.75rem 0;border:1px solid var(--line)}.gradient-controls{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}.range-label{display:flex;align-items:center;gap:.5rem;color:var(--muted);font-size:.85rem}.ui-demo{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.demo-screen{border-radius:24px;padding:1rem;min-height:230px;border:1px solid rgba(255,255,255,.22)}.demo-nav{height:18px;border-radius:999px;width:65%;margin-bottom:1rem}.demo-title{height:30px;border-radius:999px;margin-bottom:.65rem}.demo-text{height:10px;border-radius:999px;margin-bottom:.45rem}.faq{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:.75rem}.faq details{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:1rem}.faq summary{font-weight:850;cursor:pointer}.faq p{color:var(--muted);margin-top:.55rem;font-size:.92rem}.ad-slot{min-height:96px;border:1px dashed var(--line);border-radius:22px;background:color-mix(in srgb,var(--panel-2) 70%,transparent);display:flex;align-items:center;justify-content:center;color:var(--subtle);font-size:.78rem;margin:1.25rem 0}.footer{border-top:1px solid var(--line);padding:2rem 0;color:var(--subtle);font-size:.84rem}.footer-inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.toast-region{position:fixed;left:50%;bottom:1rem;transform:translateX(-50%);z-index:99;display:grid;gap:.5rem}.toast{background:var(--fg);color:var(--bg);border-radius:999px;padding:.6rem .85rem;font-size:.82rem;font-weight:850;box-shadow:var(--shadow)}
.history-row{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.75rem}.history-chip{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:.38rem .58rem;display:inline-flex;align-items:center;gap:.42rem;font-size:.76rem;color:var(--muted);cursor:pointer}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem;margin-top:1rem}.stat{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:1rem;box-shadow:var(--shadow-soft)}.stat strong{display:block;font-size:1.35rem;letter-spacing:-.04em}.stat span{color:var(--muted);font-size:.82rem}.inspector-grid{display:grid;grid-template-columns:minmax(190px,.55fr) minmax(0,1fr);gap:1rem}.inspector-swatch{min-height:220px;border-radius:24px;display:flex;align-items:flex-end;padding:1rem;box-shadow:var(--shadow-soft)}.format-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:.65rem}.format-row{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:.78rem;display:grid;gap:.22rem}.format-row code{font-family:var(--mono);font-size:.82rem;word-break:break-all}.format-row button{justify-self:start;margin-top:.25rem}.sim-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:.75rem}.sim-card{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:.75rem;box-shadow:var(--shadow-soft)}.sim-strip{display:grid;grid-template-columns:repeat(5,1fr);height:84px;border-radius:14px;overflow:hidden;margin-top:.55rem}.sim-strip span{display:block}.sim-deuteranopia{filter:url(#deuteranopia)}.sim-protanopia{filter:url(#protanopia)}.sim-tritanopia{filter:url(#tritanopia)}.consent{position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:98;max-width:980px;margin:auto;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:1rem;box-shadow:var(--shadow);display:none;gap:1rem;align-items:center;justify-content:space-between}.consent.show{display:flex}.consent p{color:var(--muted);font-size:.86rem}.consent-actions{display:flex;gap:.5rem;flex-wrap:wrap}.link-row{display:flex;gap:.75rem;flex-wrap:wrap}.quality-list{margin-top:.75rem;display:grid;gap:.45rem}.quality-list li{list-style:none;color:var(--muted);font-size:.9rem}.quality-list li::before{content:'✓ ';color:var(--good);font-weight:900}
@media(max-width:880px){.hero,.grid-2{grid-template-columns:1fr}.controls{grid-template-columns:1fr 1fr}.field{grid-column:1/-1}.shades-row{grid-template-columns:repeat(6,1fr)}.manual-contrast{grid-template-columns:1fr}.hero{padding-top:2.4rem}.preview-bars{height:210px}}
@media(max-width:560px){.wrap{padding:0 1rem}.header-inner{align-items:flex-start;flex-direction:column}.controls{grid-template-columns:1fr}.select,.btn{width:100%}.palette-grid{grid-template-columns:1fr 1fr}.swatch{min-height:145px}.shades-row,.extracted-palette{grid-template-columns:repeat(3,1fr)}.ui-demo{grid-template-columns:1fr}.hero h1{font-size:2.45rem}}

/* v5 improvements */
.skip-link{position:absolute;left:1rem;top:-100px;z-index:100;background:var(--fg);color:var(--bg);padding:.6rem .85rem;border-radius:999px;text-decoration:none;font-weight:850}.skip-link:focus{top:1rem}.lang-row{display:flex;gap:.45rem;flex-wrap:wrap}.lang-row a{font-size:.75rem;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.28rem .5rem;color:var(--muted);background:var(--panel)}.lang-row a:hover{color:var(--fg);background:var(--panel-2)}.download-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:1rem;box-shadow:var(--shadow-soft);margin-top:1rem}.download-card p{color:var(--muted);font-size:.9rem}.canvas-preview{display:none}.seo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.75rem}.seo-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:1rem;text-decoration:none;box-shadow:var(--shadow-soft)}.seo-card strong{display:block;margin-bottom:.35rem}.seo-card span{font-size:.88rem;color:var(--muted)}.tiny-note{font-size:.78rem;color:var(--subtle);margin-top:.45rem}.copyable-token{cursor:pointer}.copyable-token:hover{text-decoration:underline}.code-actions{display:flex;gap:.5rem;flex-wrap:wrap}.export-block.with-actions{padding-top:3.4rem}.export-actions{position:absolute;top:.8rem;right:.8rem;display:flex;gap:.35rem;flex-wrap:wrap;justify-content:flex-end}.export-actions .copy-btn{position:static}.ad-sidebar{display:none}@media(min-width:1280px){.with-sidebar{display:grid;grid-template-columns:minmax(0,1fr) 180px;gap:1rem}.ad-sidebar{display:flex;position:sticky;top:88px;min-height:600px;margin:2rem 0}.ad-sidebar .ad-slot{width:100%;min-height:600px;margin:0}}@media(max-width:620px){.download-card{grid-template-columns:1fr}.export-actions{position:static;margin-bottom:.7rem}.export-block.with-actions{padding-top:1rem}}

.ad-slot:empty::before{content:'Advertisement'}
@media print{.ad-slot{display:none!important}}