@charset "UTF-8";
:root{color-scheme:light;--paper:#f5f4f0;--white:#fff;--ink:#18232c;--muted:#56616a;--line:#d9dcd9;--blue:#075fb8;--radius:12px;--font:Inter,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.5}button,input,select,textarea{font:inherit}a{color:inherit}button,a,select,input{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}button:disabled{opacity:.5}.skip{position:fixed;top:-100px;left:16px;background:#fff;padding:10px;z-index:100}.skip:focus{top:8px}.masthead{height:76px;padding:0 40px;display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.95);position:relative;z-index:5}.identity{display:flex;align-items:center;gap:18px;white-space:nowrap;font-size:15px;font-weight:550}.brand{font-size:17px;font-weight:900;letter-spacing:2px;color:#fff;background:#17212b;line-height:26px;padding:1px 6px 0 8px}.identity-divider{height:24px;width:1px;background:var(--line)}.masthead nav{display:flex;align-items:center;justify-content:center;gap:8px;margin:auto}.masthead nav a{padding:10px 15px;border-radius:8px;font-weight:550;color:var(--muted)}.masthead nav a[aria-current=page]{background:#edf1f3;color:var(--ink)}.masthead nav a:hover{background:#f0f2f3}.masthead nav span{font-size:11px;background:#e2e7eb;display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;border-radius:5px;margin-left:5px}.edition{font-size:10px;font-weight:650;letter-spacing:1.4px;white-space:nowrap;color:var(--muted)}.edition span{color:#afb5b9;margin:0 7px}.page{max-width:1440px;margin:auto;padding:58px 48px 72px}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:700;text-transform:uppercase;color:var(--muted)}.intro{display:grid;grid-template-columns:1.4fr 1fr;align-items:end;gap:40px;margin-bottom:42px}.intro h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(40px,4.5vw,64px);line-height:1.05;letter-spacing:-2px;font-weight:400;margin:17px 0 0}.intro h1 em{color:var(--blue);font-weight:400}.intro-copy{max-width:400px;justify-self:end;color:var(--muted);font-size:15px;line-height:1.7;margin:0 0 4px}.collection-meta{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:20px 0;font-size:12px;color:var(--muted)}.meta-dots{display:flex;gap:18px}.meta-dots span:before{content:"";display:inline-block;width:5px;height:5px;background:#637669;border-radius:50%;vertical-align:middle;margin-right:7px}.concept-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px 28px}.concept-card{min-width:0}.concept-preview{height:290px;display:block;overflow:hidden;position:relative;border-radius:var(--radius);border:1px solid #d9dcde;background:var(--surface,#eef1f3);padding:25px}.concept-preview img{width:100%;height:100%;object-fit:cover;object-position:center 65%;border:1px solid #e1e4e6;border-radius:5px;box-shadow:0 8px 18px #18232c0f;transition:transform .24s ease}.concept-preview:hover img{transform:translateY(-3px)}.card-number{position:absolute;top:13px;left:15px;font-size:10px;color:var(--ink);font-family:Consolas,monospace;opacity:.7}.preview-label{position:absolute;right:12px;bottom:12px;background:rgba(255,255,255,.95);border:1px solid #dfe3e6;padding:3px 8px;border-radius:4px;font-size:10px}.concept-info{display:flex;justify-content:space-between;gap:16px;margin-top:17px;align-items:flex-start}.concept-info h2{font-size:26px;letter-spacing:-.6px;font-weight:600;margin:0 0 3px}.concept-info p{color:var(--muted);margin:0;font-size:13px}.byline{font-size:10px;color:var(--muted);text-align:right;padding-top:9px;letter-spacing:.3px}.concept-actions{display:flex;gap:8px;align-items:center;margin-top:17px}.btn,.text-btn{min-height:40px;padding:8px 16px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--line);background:#fff;border-radius:7px;font-size:12px;font-weight:600;white-space:nowrap}.btn:hover{background:#edf1f3}.btn.primary{background:#172b3c;color:#fff;border-color:#172b3c}.btn.primary:hover{background:#27445b}.text-btn{border-color:transparent;background:transparent;color:var(--muted);padding:8px}.text-btn:hover{color:var(--ink);text-decoration:underline}.concept-actions .text-btn{margin-left:auto}.swatches{display:flex;gap:4px;align-items:center}.swatches i{display:block;width:12px;height:12px;border-radius:50%;border:1px solid #00000012}.collection-footer{margin-top:44px;padding:25px 0;border-top:1px solid var(--line);display:flex;gap:30px;justify-content:space-between;color:var(--muted);font-size:12px}.collection-footer p{margin:0}.placeholder-screen{background:#fff;height:100%;border-radius:4px;padding:18px;box-shadow:0 8px 18px #18232c0f}.placeholder-screen:before{content:"";height:13px;border-bottom:1px solid #dfe3e6;display:block;margin-bottom:22px}.placeholder-title{height:18px;background:var(--ink);width:52%;margin-bottom:20px}.placeholder-line{height:8px;background:#edf0f2;margin-bottom:10px}.placeholder-cols{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-bottom:20px}.placeholder-cols span{height:45px;background:var(--surface);border-top:3px solid var(--accent)}.viewer{height:calc(100dvh - 76px);min-height:500px;display:flex;flex-direction:column}.viewer-bar{min-height:65px;display:flex;align-items:center;gap:15px;padding:10px 24px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}.back{font-size:20px;margin-right:4px;display:flex;align-items:center;justify-content:center;width:36px;height:36px}.viewer-name{display:flex;align-items:center;gap:9px;font-weight:650;font-size:18px}.viewer-name i{width:9px;height:9px;display:block;border-radius:50%}.phase-switch{display:flex;background:#edf0f2;border:1px solid #e2e5e7;border-radius:7px;padding:3px;margin-left:8px}.phase-switch a{font-size:12px;padding:5px 16px;border-radius:4px;color:var(--muted)}.phase-switch a.selected{background:#fff;color:var(--ink);box-shadow:0 1px 3px #1526351a}.bar-space{flex:1}.viewport-switch{display:flex;border:1px solid var(--line);border-radius:7px;overflow:hidden}.viewport-switch button{background:#fff;border:0;padding:8px 11px;min-height:34px;font-size:11px;color:var(--muted)}.viewport-switch button[aria-pressed=true]{background:#eaf0f5;color:#113e62}.viewer-toolbar{padding:8px 24px;display:flex;align-items:center;gap:12px;background:#fafbf9;border-bottom:1px solid var(--line);min-height:46px}.viewer-toolbar label{font-size:11px;color:var(--muted)}.viewer-toolbar select{border:0;background:transparent;font-size:12px;color:var(--ink);padding:5px;max-width:220px}.viewer-toolbar .reference-label{margin-left:auto;font-family:Consolas,monospace;font-size:11px;color:var(--muted)}.canvas{background:#e9ecee;flex:1;min-height:0;overflow:auto;display:flex;justify-content:center;padding:18px}.canvas iframe{width:100%;height:100%;background:#fff;border:1px solid #d9dfe3;border-radius:7px;box-shadow:0 3px 16px #15263510;flex-shrink:0}.canvas[data-device=tablet] iframe{width:768px}.canvas[data-device=phone] iframe{width:390px}.canvas[data-device=tablet-landscape] iframe{width:1024px}.canvas[data-device=phone-landscape] iframe{width:844px;height:390px}.canvas[data-device=phone] iframe{max-height:844px}.canvas[data-device=tablet] iframe{max-height:1024px}.device-caption{padding:6px 24px;background:#fff;border-top:1px solid var(--line);color:var(--muted);font-size:10px;display:flex;justify-content:space-between;gap:15px}.compare-page{padding:24px 28px 40px}.page-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.page-heading h1{font:400 42px/1.15 Georgia,serif;letter-spacing:-1px;margin:8px 0}.page-heading p{margin:0;color:var(--muted);max-width:520px}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-panel{min-width:0;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.compare-controls{padding:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--line)}select,.field input,.field textarea{border:1px solid #aab3bc;border-radius:6px;background:#fff;padding:9px 10px;color:var(--ink);min-height:40px}.compare-controls 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var(--line);border-radius:9px;padding:20px}.mix-item .sample{height:40px;background:var(--accent);border-radius:7px}.mix-item h3{font-size:14px;margin:0 0 4px}.mix-item p{margin:0;font-size:12px;color:var(--muted)}.mix-item .ref-code{margin-top:12px;font-size:10px}.mix-empty{padding:55px 30px;text-align:center;border:1px dashed #b9c1c7;border-radius:10px;color:var(--muted)}.mix-empty h2{font-size:20px;color:var(--ink);font-weight:500}.mix-actions{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}.mix-recipe{padding:23px;background:#172b3c;color:#fff;border-radius:9px;margin-top:24px}.mix-recipe h2{font-size:12px;color:#b9d0e2;margin:0 0 12px;font-weight:500}.mix-recipe p{font-size:16px;line-height:1.8;margin:0}.icon-button{border:0;background:transparent;width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;font-size:22px;color:var(--muted);border-radius:6px}.icon-button:hover{background:#edf1f3}.notice{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#172b3c;color:#fff;border-radius:8px;padding:11px 20px;box-shadow:0 6px 20px #0002;font-size:13px;z-index:90;transition:opacity .15s,transform .15s}.notice.visible{opacity:1;transform:translate(-50%,0)}dialog{width:min(480px,calc(100% - 32px));padding:25px;border:1px solid #d9dfe3;border-radius:14px;box-shadow:0 20px 60px #10233330;color:var(--ink)}dialog::backdrop{background:#142b4555}.dialog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.dialog-top h2{font-size:21px;margin:0}.dialog-top form{margin:0}.dialog-actions{display:flex;justify-content:flex-end;gap:8px}.loading{padding:80px 30px;text-align:center;color:var(--muted)}.error-box{max-width:550px;margin:50px auto;padding:30px;border:1px solid #b4bfc7;border-radius:10px;background:#fff}.error-box h1{font-size:22px}.error-box p{color:var(--muted)}.change-summary{padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}.change-summary summary{font-size:12px;font-weight:600;cursor:pointer}.change-summary ul{display:flex;gap:24px;flex-wrap:wrap;padding-left:17px;margin-bottom:2px;font-size:12px;color:var(--muted)}@media(min-width:1600px){.concept-preview{height:325px}}@media(max-width:1100px){.masthead{padding:0 24px;gap:12px}.edition{display:none}.masthead nav{margin-left:auto;margin-right:0}.page{padding:40px 28px 60px}.concept-preview{height:240px;padding:20px}.viewer-bar{gap:8px}.viewport-switch button{padding:8px}.intro h1{font-size:47px}.guide-grid{gap:15px}.mix-layout{grid-template-columns:280px 1fr}}@media(max-width:760px){.masthead{height:auto;min-height:100px;align-items:flex-start;gap:0;padding:16px 18px 8px;flex-wrap:wrap}.identity{font-size:14px;gap:13px}.masthead nav{width:100%;justify-content:flex-start;margin-top:12px;gap:4px}.masthead nav a{font-size:12px;padding:7px 12px}.page{padding:30px 19px 45px}.intro{grid-template-columns:1fr;gap:22px;margin-bottom:25px}.intro h1{font-size:45px;letter-spacing:-1.5px}.intro-copy{justify-self:start;font-size:14px;max-width:450px}.concept-grid{grid-template-columns:1fr;gap:32px}.concept-preview{height:260px}.collection-meta{font-size:10px;gap:12px}.meta-dots{gap:10px}.collection-footer{flex-direction:column;gap:10px}.viewer{height:calc(100dvh - 111px)}.viewer-bar{padding:9px 12px}.viewer-name{font-size:16px}.phase-switch{margin-left:0}.phase-switch a{padding:5px 12px}.viewer-bar>.text-btn{display:none}.viewer-bar .bar-space{display:none}.viewport-switch{margin-left:auto}.viewport-switch button{font-size:10px;padding:6px 7px}.viewer-toolbar{padding:7px 13px;gap:6px}.viewer-toolbar select{max-width:160px}.viewer-toolbar .reference-label{display:none}.viewer-toolbar .btn{margin-left:auto;font-size:11px;padding:6px 10px;min-height:34px}.canvas{padding:8px}.canvas[data-device=desktop] iframe{border-radius:3px}.canvas[data-device=phone] iframe{width:min(390px,100%)}.device-caption{font-size:9px;padding:6px 12px}.device-caption span:last-child{display:none}.comparison{grid-template-columns:1fr}.compare-page{padding:25px 15px}.compare-viewport{height:600px}.compare-hint{align-items:start;gap:20px}.page-heading{align-items:start;flex-direction:column;gap:15px}.page-heading h1{font-size:36px}.page-heading p{font-size:13px}.guide-grid{grid-template-columns:1fr}.guide-panel{padding:22px}.guide-panel.full{grid-column:auto;overflow:auto}.guide-matrix{min-width:550px}.mix-layout{grid-template-columns:1fr}.mix-item{padding:15px;gap:12px}.mix-item .sample{width:32px;height:36px}.change-summary{padding:10px 14px}.change-summary ul{display:block}.byline{font-size:9px}.notice{width:max-content;max-width:90vw;bottom:14px}.concept-actions .btn{flex:1}.concept-actions .text-btn{font-size:11px}.guide-panel li{font-size:13px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media(max-width:760px){.collection-meta{align-items:flex-start;flex-direction:column;gap:10px}.meta-dots{gap:18px}.meta-dots span{white-space:nowrap}}
@media(max-width:760px){.viewer-bar>.text-btn{display:inline-flex;font-size:10px;padding:6px 7px;min-height:32px}.viewer-bar .viewport-switch{margin-left:0}}