:root{color-scheme:light;--bg:#f4f4f1;--paper:#fbfbf8;--ink:#252724;--muted:#747771;--line:#dedfd9;--soft:#ebece7;--accent:#263b8f;--accent-2:#ec8f73;--green:#3a7059;--danger:#a74338;--shadow:0 18px 48px #232b2210;font-family:"Segoe UI",system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-size:14px}.app-shell{max-width:1320px;margin:auto;padding:0 54px}.topbar{height:76px;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:40px}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.7px}.brand-mark{display:grid;place-items:center;width:29px;height:29px;border-radius:9px;background:var(--accent);color:white;font:800 15px Georgia,serif}.brand-dot{color:var(--accent-2)}.nav-links{display:flex;gap:26px;margin:auto;font-size:12px}.nav-links a,.footer a{color:var(--muted);text-decoration:none}.nav-links a:hover,.footer a:hover{color:var(--accent)}.top-actions{display:flex;align-items:center;gap:14px}.local-pill{font-size:9px;letter-spacing:1px;color:var(--green);font-weight:800}.local-pill i,.eyebrow-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#5e9d76;margin:0 6px 1px 0}.theme-button{width:33px;height:33px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);font-size:16px;cursor:pointer}.hero{position:relative;min-height:480px;display:grid;grid-template-columns:1fr 1.05fr;align-items:center;border-bottom:1px solid var(--line);overflow:hidden}.hero-copy{position:relative;z-index:2;padding:48px 0 62px}.eyebrow{font-size:9px;letter-spacing:1.6px;font-weight:800;color:#777a73;margin:0 0 19px}.hero h1{font:500 clamp(50px,7vw,84px)/.99 Georgia,"Times New Roman",serif;letter-spacing:-4px;margin:0 0 19px}.hero h1 em{color:var(--accent);font-weight:400}.hero-text{max-width:370px;line-height:1.75;color:var(--muted);font-size:13px}.scroll-link{display:inline-flex;gap:12px;align-items:center;margin-top:22px;text-decoration:none;color:var(--ink);font-size:11px;font-weight:700}.scroll-link span{font-size:18px;color:var(--accent)}.hero-art{height:350px;position:relative;display:flex;justify-content:center;align-items:center;isolation:isolate}.hero-art:before{content:"";position:absolute;width:340px;height:340px;border:1px solid #bcbeb6;border-radius:50%;transform:rotate(-25deg) scaleY(.52);z-index:-1}.orb{position:absolute;border-radius:50%;mix-blend-mode:multiply}.orb-a{width:230px;height:230px;background:linear-gradient(150deg,#e2d9ac,#d29267);left:25%;top:13%;box-shadow:inset -24px -28px 65px #703f4b25}.orb-b{width:205px;height:205px;background:linear-gradient(155deg,#5c72da,#b5b9e9);right:14%;top:29%;box-shadow:inset -28px -25px 60px #151d762d}.orb-c{width:150px;height:150px;background:linear-gradient(135deg,#8dbda4,#d9e1bf);left:37%;bottom:14%;box-shadow:inset -15px -20px 38px #234c4730}.art-caption{position:absolute;bottom:10px;left:10%;right:2%;display:flex;justify-content:space-between;font:600 8px ui-monospace,monospace;letter-spacing:1px;color:#71766e}.hero-index{position:absolute;bottom:22px;left:0;font:700 8px/1.6 ui-monospace,monospace;letter-spacing:1px;color:#969992}.hero-index span{color:var(--green)}.section{padding:72px 0;border-bottom:1px solid var(--line)}.section-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:25px}.section-title .eyebrow{margin-bottom:8px}.section-title h2{font:500 39px/1.05 Georgia,"Times New Roman",serif;letter-spacing:-1.2px;margin:0}.section-note{font-size:11px;line-height:1.6;color:var(--muted);text-align:right;margin:0}.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.studio-bar{min-height:82px;display:flex;align-items:center;gap:24px;padding:15px 17px}.field-label{font-size:8px;letter-spacing:1.3px;font-weight:800;color:var(--muted);display:block;margin-bottom:7px}.color-input-group{display:flex;align-items:center;gap:10px}.color-chip{width:32px;height:32px;border:1px solid var(--line);border-radius:8px;overflow:hidden;position:relative;cursor:pointer}.color-chip input{position:absolute;inset:-5px;width:42px;height:42px;border:0;cursor:pointer}.color-swatch{position:absolute;inset:0;pointer-events:none}.hex-input{width:90px;border:0;background:transparent;color:var(--ink);font:700 12px ui-monospace,monospace;outline:none}.quiet-button{border:0;border-radius:50%;background:var(--soft);width:28px;height:28px;color:var(--muted);font-size:17px;cursor:pointer}.harmony-select{margin-left:auto}.harmony-select select{border:0;background:transparent;color:var(--ink);font:600 12px "Segoe UI",system-ui,sans-serif;outline:none;min-width:135px}.button-primary{border:0;border-radius:8px;background:var(--accent);color:white;padding:12px 15px;font:700 11px "Segoe UI",system-ui,sans-serif;cursor:pointer;transition:transform .15s,background .15s}.button-primary:hover{background:#354fac;transform:translateY(-1px)}.button-primary span{font-size:16px;vertical-align:-1px;margin-right:3px}.message{min-height:17px;margin:8px 2px 5px;color:var(--green);font-size:10px}.message.error{color:var(--danger)}.palette-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:11px}.swatch{min-width:0}.swatch-color{width:100%;height:210px;border:0;border-radius:10px;padding:12px;display:flex;align-items:flex-start;justify-content:space-between;text-align:left;cursor:pointer;transition:transform .16s,box-shadow .16s}.swatch-color:hover{transform:translateY(-3px);box-shadow:0 12px 24px #1b241a20}.swatch.is-base .swatch-color{outline:2px solid var(--ink);outline-offset:3px}.swatch-number{font:600 9px ui-monospace,monospace;opacity:.72}.copy-mark{font-size:17px;opacity:0;transition:opacity .15s}.swatch-color:hover .copy-mark,.swatch-color:focus-visible .copy-mark{opacity:.85}.swatch-info{display:flex;justify-content:space-between;align-items:center;padding:8px 2px}.swatch-hex{padding:0;border:0;background:none;color:var(--ink);font:700 10px ui-monospace,monospace;cursor:pointer}.swatch-contrast{font:500 8px ui-monospace,monospace;color:var(--muted)}.palette-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);margin-top:12px;padding-top:14px;font:700 8px ui-monospace,monospace;letter-spacing:1px;color:var(--muted)}.palette-footer b{color:var(--accent)}.text-button{padding:0;border:0;background:none;color:var(--accent);font:700 10px "Segoe UI",system-ui,sans-serif;cursor:pointer}.text-button span{font-size:13px;margin-left:4px}.contrast-panel{padding:19px}.contrast-controls{display:flex;gap:17px;align-items:end;padding:1px 2px 18px;border-bottom:1px solid var(--line)}.contrast-field{flex:1}.contrast-input{height:40px;border:1px solid var(--line);border-radius:8px;background:var(--bg);display:flex;align-items:center;padding:5px 10px;gap:11px}.contrast-input input[type=color]{width:25px;height:25px;border:1px solid #0002;border-radius:6px;overflow:hidden;padding:0;background:transparent;cursor:pointer}.contrast-input input[type=text]{width:100px;min-width:0;border:0;background:transparent;color:var(--ink);outline:none;font:700 11px ui-monospace,monospace}.versus{color:#a0a39c;font:700 9px ui-monospace,monospace;padding-bottom:14px}.contrast-result{display:grid;grid-template-columns:1fr 230px;gap:22px;padding-top:18px}.preview-sample{min-height:130px;border-radius:10px;background:var(--preview-bg);color:var(--preview-fg);padding:15px;position:relative;display:flex;align-items:center;gap:16px}.sample-label{font:500 57px/1 Georgia,serif;letter-spacing:-4px}.preview-sample div{display:grid;gap:5px}.preview-sample strong{font:600 18px Georgia,serif}.preview-sample div span{font-size:10px;opacity:.8}.sample-tag{position:absolute;right:12px;bottom:10px;font:700 7px ui-monospace,monospace;letter-spacing:1px;opacity:.6}.ratio-block{padding:8px 4px}.ratio-block>strong{font:500 37px/1 Georgia,serif;letter-spacing:-1px}.grade-list{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}.grade{display:flex;align-items:center;justify-content:space-between;background:var(--soft);padding:7px 8px;border-radius:6px;font:600 8px "Segoe UI",system-ui,sans-serif}.grade b{font:800 8px ui-monospace,monospace}.grade.pass b{color:var(--green)}.grade.fail b{color:var(--danger)}.contrast-footnote{font-size:9px;color:var(--muted);margin:13px 2px 0}.library-actions{display:flex;gap:18px}.saved-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.saved-card{background:var(--paper);border:1px solid var(--line);border-radius:11px;padding:12px;display:grid;gap:8px}.saved-colors{height:62px;display:flex;gap:4px}.saved-dot{flex:1;min-width:0;border:0;border-radius:5px;cursor:pointer}.saved-card>strong{font:700 12px Georgia,serif}.saved-card>span{font-size:9px;color:var(--muted)}.saved-actions{display:flex;gap:6px;margin-top:3px}.small-action{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:5px;padding:5px 8px;font-size:9px;cursor:pointer}.small-action:first-child{color:var(--accent);border-color:#bfc7e5}.small-action:hover{border-color:var(--accent)}.saved-empty{min-height:115px;border:1px dashed #c8cac1;border-radius:11px;display:grid;align-content:center;justify-items:center;gap:5px;color:var(--muted);font-size:10px}.saved-empty[hidden]{display:none}.saved-empty strong{color:var(--ink);font:600 14px Georgia,serif}.empty-orbit{font-size:19px;color:var(--accent-2)}.footer{min-height:90px;display:flex;align-items:center;justify-content:space-between}.brand-mark.small{width:24px;height:24px;font-size:12px}.footer>span,.footer>a:last-child{font:700 8px ui-monospace,monospace;letter-spacing:1px;color:var(--muted)}.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}
:root[data-theme="dark"]{color-scheme:dark;--bg:#101315;--paper:#171b1b;--ink:#edf0e9;--muted:#a0a59b;--line:#303634;--soft:#222827;--accent:#a5b5ff;--accent-2:#f2a084;--green:#a2d6b5;--danger:#ff9a91;--shadow:0 18px 48px #0003}.brand-mark{color:#fff} :focus-visible{outline:2px solid var(--accent);outline-offset:3px}button,select,input{font:inherit}button:disabled{opacity:.5;cursor:not-allowed}
@media(max-width:900px){.app-shell{padding:0 28px}.hero{min-height:420px}.hero-art{transform:scale(.84)}.swatch-color{height:170px}.contrast-result{grid-template-columns:1fr 200px}}
@media(max-width:640px){.app-shell{padding:0 18px}.topbar{height:64px;gap:12px}.nav-links{display:none}.top-actions{margin-left:auto}.local-pill{font-size:7px}.hero{min-height:560px;grid-template-columns:1fr;align-content:start;padding-top:22px}.hero-copy{padding:28px 0 0}.hero h1{font-size:62px}.hero-art{height:255px;transform:scale(.76);margin:-6px -45px}.hero-index{bottom:13px}.section{padding:52px 0}.section-title h2{font-size:32px}.section-note{font-size:9px}.studio-bar{flex-wrap:wrap;gap:12px;padding:13px}.color-input-group{width:100%}.harmony-select{margin-left:0;flex:1}.button-primary{margin-left:auto}.palette-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.swatch:last-child{grid-column:1/-1}.swatch:last-child .swatch-color{height:130px}.swatch-color{height:155px}.contrast-panel{padding:12px}.contrast-controls{gap:8px}.contrast-input{padding:4px 6px;gap:6px}.contrast-input input[type=text]{width:72px;font-size:10px}.versus{font-size:8px}.contrast-result{grid-template-columns:1fr;gap:7px}.ratio-block{display:grid;grid-template-columns:1fr auto;align-items:center}.ratio-block .field-label{margin:0}.ratio-block>strong{grid-column:2;grid-row:1 / span 2}.grade-list{grid-column:1/-1}.saved-grid{grid-template-columns:1fr}.footer{gap:10px;flex-wrap:wrap;padding:18px 0}.footer>span{order:3;width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}