/* House chrome: root DESIGN.md Apple color / typography / shape tokens. */
:root{--accent:#0066cc;--ink:#1d1d1f;--muted:#333333;--canvas:#ffffff;--parchment:#f5f5f7;--surface:#fafafc;--hairline:#e0e0e0;--black:#000000;--on-dark:#ffffff;--radius-sm:8px;--radius-lg:18px;--pill:9999px;--font:"SF Pro Text",-apple-system,system-ui,sans-serif;--display:"SF Pro Display",-apple-system,system-ui,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:400 17px/1.47 var(--font);letter-spacing:-.374px;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}a{color:var(--accent)}button,input,select{font:inherit}button,.button{min-height:44px;border:1px solid var(--hairline);border-radius:var(--pill);padding:10px 18px;background:var(--canvas);color:var(--accent);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px}button:active,.button:active{transform:scale(.95)}button:disabled{opacity:.45;cursor:default}button.primary,.button.primary{background:var(--accent);color:var(--on-dark);border-color:var(--accent)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:16px;padding:12px;background:var(--canvas);z-index:100}.skip:focus{top:8px}
.nav{min-height:44px;background:var(--black);color:var(--on-dark);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 max(24px,calc((100% - 1280px)/2));font-size:14px}.nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--on-dark);text-decoration:none}.nav span{opacity:.75}.hero{text-align:center;background:var(--parchment);padding:80px 24px 64px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:2px;color:var(--muted)}h1{font:600 56px/1.07 var(--display);letter-spacing:-.28px;margin:20px 0 24px}.intro{font-size:24px;line-height:1.5;font-weight:300}.note{font-size:14px;color:var(--muted);margin:20px 0 26px}main{max-width:1440px;margin:auto;padding:64px 48px 56px;scroll-margin-top:24px}h2{font:600 34px/1.2 var(--display);letter-spacing:-.374px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}.section-heading h2{margin-top:10px}.baseline{font-size:14px;color:var(--muted)}.toolbar{display:flex;align-items:end;gap:16px;padding:24px;background:var(--parchment);border-radius:var(--radius-lg)}.toolbar label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600}.search{flex:1}input,select{height:46px;border:1px solid var(--hairline);border-radius:var(--radius-sm);padding:10px 14px;background:var(--canvas);color:var(--ink);min-width:0}input{width:100%;border-radius:var(--pill)}select{min-width:160px}.toolbar button{min-height:46px}.results-line{display:flex;align-items:center;justify-content:space-between;margin:20px 0;font-size:14px;color:var(--muted)}#reset{border:0}#empty{text-align:center;padding:64px 16px;background:var(--parchment);border-radius:var(--radius-lg)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.card{min-width:0;border:1px solid var(--hairline);border-radius:var(--radius-lg);overflow:hidden;background:var(--canvas);padding-bottom:16px}.card.selected{border-color:var(--accent)}.preview{display:block;color:inherit;text-decoration:none}.preview:focus-visible{outline-offset:-4px}.shot{aspect-ratio:900/700;background:var(--parchment);border-bottom:1px solid var(--hairline);overflow:hidden}.shot img{width:100%;height:100%;object-fit:cover;display:block}.meta{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px 16px 4px}.meta h3{font:600 19px/1.3 var(--display);overflow-wrap:anywhere}.tag{font-size:11px;white-space:nowrap;color:var(--muted)}.preview-link{color:var(--accent);font-size:14px;padding:4px 16px 12px}.save{margin:0 16px;width:calc(100% - 32px)}button[aria-pressed=true]{color:var(--on-dark);background:var(--accent);border-color:var(--accent)}
.selection{position:sticky;bottom:0;z-index:5;background:var(--surface);border-top:1px solid var(--hairline);padding:20px max(24px,calc((100% - 1344px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px}.selection strong{font-weight:600}.selection p{font-size:14px;overflow-wrap:anywhere;margin-top:4px}.selection small{font-size:12px;color:var(--muted)}.selection-actions{display:flex;gap:8px;flex-shrink:0}.notice{position:fixed;bottom:148px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);width:max-content;z-index:20;background:var(--black);color:var(--on-dark);border-radius:var(--radius-sm);padding:12px 20px;font-size:14px;pointer-events:none}.notice:empty{display:none}footer{background:var(--parchment);text-align:center;padding:48px 24px;color:var(--muted);font-size:14px}footer p+p{margin-top:16px}
dialog{width:calc(100% - 48px);max-width:1440px;max-height:calc(100dvh - 48px);padding:24px;border:1px solid var(--hairline);border-radius:var(--radius-lg);background:var(--canvas);color:var(--ink)}dialog::backdrop{background:var(--black);opacity:.65}.dialog-header{position:sticky;top:0;z-index:1;background:var(--canvas);padding-bottom:12px;display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:24px}.dialog-header h2{font-size:28px}.dialog-header p{font-size:14px;margin-top:8px}.dialog-header button{flex-shrink:0}.compare-grid{display:grid;grid-template-columns:repeat(var(--columns,2),minmax(0,1fr));gap:16px}.compare-item{min-width:0}.compare-item h3{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:17px;margin-bottom:12px}.compare-item h3 a{font-size:14px;min-height:44px;display:inline-flex;align-items:center}.compare-item iframe{width:100%;height:60dvh;min-height:320px;border:1px solid var(--hairline);border-radius:var(--radius-sm)}
@media(min-width:1441px){.grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:1068px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}h1{font-size:40px}main{padding:48px 24px}.toolbar{flex-wrap:wrap}.search{min-width:220px}}
@media(max-width:833px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.compare-grid{grid-template-columns:1fr}.compare-item iframe{height:480px}.section-heading{align-items:start;flex-direction:column;gap:12px}.selection{gap:12px}.selection-actions{flex-direction:column}.nav span{display:none}}
@media(max-width:640px){.hero{padding:48px 20px}h1{font-size:34px}.intro{font-size:21px}.grid{grid-template-columns:1fr}.toolbar{padding:16px;gap:12px}.search{flex-basis:100%;min-width:0}.toolbar label:not(.search){flex:1}select{width:100%;min-width:0}.toolbar button{font-size:12px;padding:10px 12px}h2{font-size:28px}.selection{padding:12px 16px;align-items:start;flex-direction:column;gap:8px}.selection-actions{flex-direction:row;width:100%}.selection-actions button{flex:1}.selection p{max-width:100%;font-size:12px}.selection strong{font-size:14px}.notice{bottom:184px}dialog{width:calc(100% - 16px);max-height:calc(100dvh - 16px);padding:16px}.dialog-header h2{font-size:21px}.dialog-header p{font-size:12px}.dialog-header button{padding:10px}.nav{padding:0 20px;font-size:12px}}
@media(max-width:419px){h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Keep Korean phrases together; let previews enter the first desktop viewport. */
.hero,.section-heading,.dialog-header{word-break:keep-all;overflow-wrap:break-word}
@media(min-width:834px){.hero{padding-top:48px;padding-bottom:40px}.hero h1{margin:16px 0}.hero .intro{font-size:21px}.hero .note{margin:16px 0 20px}}

.design-detail{font-size:13px;line-height:1.6;color:var(--muted);padding:4px 16px 12px;word-break:keep-all}.card[data-evidence=structural] .tag{color:var(--accent)}.toolbar{flex-wrap:wrap}.toolbar .search{min-width:230px}.grid:has(.card[data-evidence=token]:not([hidden])){grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.research{max-width:1000px;margin:auto;padding:48px 24px}.research h1{font-size:40px}.research h2{font-size:26px;margin:36px 0 16px}.research p,.research li{line-height:1.7}.research ul{padding-left:24px}.research a{text-decoration:underline}.research article{padding:24px 0;border-top:1px solid var(--hairline)}.research .sources{display:flex;flex-wrap:wrap;gap:20px}.research .sources a{min-height:44px;display:inline-flex;align-items:center}.research .label{font-size:14px;color:var(--muted)}@media(max-width:733px){.grid{grid-template-columns:1fr}.toolbar .search{min-width:0;flex-basis:100%}.toolbar label:not(.search){min-width:130px;flex:1}.research h1{font-size:32px}}