:root{--ink:#242724;--muted:#686c65;--line:#dedfd8;--paper:#fafaf7;--accent:#566446}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}header,main,footer{max-width:1480px;margin:auto;padding-left:6vw;padding-right:6vw}.header{min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-family:serif;font-size:23px;letter-spacing:3px}.mark{background:var(--ink);color:white;width:37px;height:42px;text-align:center;font-size:24px;line-height:42px;letter-spacing:0}.header nav{display:flex;gap:36px;font-size:14px}.edition,.eyebrow{font-size:12px;letter-spacing:2px;color:var(--muted)}.intro{padding:74px 0 65px;display:flex;align-items:flex-end;justify-content:space-between}.eyebrow{margin:0 0 22px}.intro h1{font:normal clamp(36px,4.4vw,66px)/1.35 "Songti SC","STSong",Georgia,serif;letter-spacing:3px;margin:0}.intro-note{padding:0 4vw 8px 30px;color:var(--muted);font-size:15px}.line{display:block;width:44px;height:1px;background:var(--ink)}.text-link{display:inline-block;margin-top:12px;color:var(--ink);border-bottom:1px solid var(--ink)}.demo-banner{font-size:13px;color:#756645;background:#f0ede3;padding:9px 16px;margin-bottom:30px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:30px}.section-head .eyebrow{margin:0 0 6px}h2{font:normal 30px/1.4 "Songti SC","STSong",Georgia,serif;margin:0}sup{font:12px sans-serif;color:var(--muted);margin-left:12px}.filters{display:flex;gap:8px;flex-wrap:wrap}.filters button{padding:8px 17px;border:1px solid transparent;background:transparent;color:var(--muted);font-size:14px}.filters button.active{background:var(--ink);color:white}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:42px 30px;min-height:180px}.art-card{display:block;width:100%;border:0;background:none;color:inherit;padding:0;text-align:left}.art-stage{height:355px;background:#eeeee8;padding:28px;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.art-stage img{display:block;max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 7px 18px #0002;transition:transform .45s}.art-card:hover img{transform:scale(1.035)}.art-card:nth-child(2n) .art-stage{background:#e8eae6}.art-card:nth-child(3n) .art-stage{background:#edeae4}.badge{position:absolute;bottom:12px;left:12px;font-size:12px;background:#fafaf7ed;padding:3px 9px}.card-meta{display:flex;justify-content:space-between;gap:16px;margin-top:17px}.card-meta h3{font:normal 21px/1.5 "Songti SC",serif;margin:0}.card-meta small{font-size:13px;color:var(--muted)}.price{font-size:15px;text-align:right;white-space:nowrap}.price small{display:block;font-size:12px}.about{border-top:1px solid var(--line);margin-top:90px;padding:65px 0;display:grid;grid-template-columns:1fr 2fr;gap:30px}.about h2{font-size:38px}.about p:not(.eyebrow){max-width:620px;color:var(--muted);white-space:pre-wrap}.signature{font-family:serif;font-size:21px}.contact{border-top:1px solid var(--line);padding:66px 0 80px;text-align:center}.contact h2{font-size:40px}.contact p:not(.eyebrow){color:var(--muted)}.contact-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.btn{display:inline-block;background:var(--ink);color:white;border:1px solid var(--ink);padding:12px 23px;font-size:14px;text-align:center}.btn.secondary{color:var(--ink);background:transparent}.muted{color:var(--muted);font-size:14px}.error{color:#a2382b;font-size:14px}footer{border-top:1px solid var(--line);min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:var(--muted)}dialog{border:0;padding:0;max-width:1060px;width:calc(100% - 40px);max-height:90dvh;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#161c18aa;backdrop-filter:blur(4px)}.close{position:absolute;right:12px;top:8px;width:40px;height:40px;background:var(--paper);border:0;font-size:28px;z-index:1}.detail-layout{display:grid;grid-template-columns:1.1fr 1fr}.detail-image{background:#eaeae4;min-height:480px;display:flex;align-items:center;justify-content:center;padding:36px}.detail-image img{max-width:100%;max-height:70vh;object-fit:contain}.detail-info{padding:48px 34px 32px}.detail-info h2{font-size:30px}.detail-info .description{white-space:pre-wrap;font-size:15px;color:var(--muted)}.detail-price{font-size:28px;margin:20px 0}.details-line{font-size:14px;color:var(--muted)}label{display:block;font-size:14px;margin:14px 0 5px}input,textarea,select{width:100%;padding:10px 12px;border:1px solid #c8cbc3;border-radius:0;background:white;color:var(--ink)}textarea{min-height:100px;resize:vertical}.check{display:flex;align-items:flex-start;gap:8px;font-size:13px}.check input{width:18px;height:18px;flex-shrink:0;margin-top:3px}.bid-form .btn{width:100%;margin-top:10px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:12px 24px;z-index:10;max-width:90vw}.empty{color:var(--muted);padding:35px 0;grid-column:1/-1}.admin{max-width:1080px;padding-top:36px;padding-bottom:80px}.admin-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.panel{border:1px solid var(--line);padding:28px;margin-bottom:28px;background:white}.panel h2{font-size:25px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.wide{grid-column:1/-1}.admin .btn{margin-top:16px}.admin-list{display:flex;flex-direction:column;gap:8px;margin:20px 0}.admin-row{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding:12px 0}.admin-row button{margin:0!important}.admin-row img{width:48px;height:48px;object-fit:cover}.row-title{flex:1}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}td,th{padding:12px 8px;border-bottom:1px solid var(--line);white-space:nowrap}[hidden]{display:none!important}@media(min-width:1400px){.art-stage{height:405px}}@media(max-width:900px){.edition{display:none}.art-stage{height:280px;padding:20px}.grid{gap:28px 18px}.card-meta{display:block}.price{text-align:left;margin-top:5px}.price small{display:inline;margin-left:6px}.detail-layout{grid-template-columns:1fr}.detail-image{min-height:240px;max-height:45vh}.detail-image img{max-height:38vh}.detail-info{padding:28px}.intro-note{padding-right:0}}@media(max-width:600px){header,main,footer{padding-left:22px;padding-right:22px}.header{min-height:86px;gap:15px}.brand{font-size:18px;letter-spacing:1px;gap:8px}.mark{width:29px;height:34px;font-size:20px;line-height:34px}.header nav{gap:16px;font-size:13px}.intro{padding:44px 0;display:block}.intro h1{font-size:41px}.intro-note{padding:26px 0 0}.intro-note .line,.intro-note p{display:none}.eyebrow{font-size:11px;letter-spacing:1.7px}.section-head{display:block}.filters{margin-top:22px;gap:0}.filters button{padding:8px 12px}.grid{grid-template-columns:1fr;gap:32px}.art-stage{height:390px;padding:32px}.card-meta{display:flex}.price{text-align:right}.price small{display:block;margin:0}.about{grid-template-columns:1fr;margin-top:55px;padding:40px 0;gap:10px}.about h2{font-size:32px}.contact{padding:42px 0}.contact h2{font-size:34px}footer{flex-wrap:wrap;padding-top:24px;padding-bottom:24px;gap:10px}footer span:nth-child(2){display:none}dialog{width:calc(100% - 20px)}.detail-info{padding:28px 22px}.form-grid{grid-template-columns:1fr}.panel{padding:20px}.admin-top{align-items:flex-start}.admin h1{font-size:25px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Touch layouts and scrollable dialogs. */
body:has(dialog[open]){overflow:hidden}
dialog{overscroll-behavior:contain}
.dialog-toolbar{position:sticky;top:0;z-index:3;display:flex;justify-content:flex-end;height:48px;padding:2px 8px;background:var(--paper);border-bottom:1px solid var(--line)}
.dialog-toolbar .close{position:static;width:44px;height:44px;flex-shrink:0}
input:not([type=checkbox]),textarea,select{font-size:16px;min-width:0;max-width:100%}
.form-grid>*{min-width:0}.row-title,.card-meta>div:first-child{min-width:0;overflow-wrap:anywhere}
.admin-row img,.admin-row button{flex-shrink:0}
.contact-actions .btn{max-width:100%;overflow-wrap:anywhere}
.toast{bottom:max(24px,env(safe-area-inset-bottom));pointer-events:none}
@media(max-width:600px){
 .header{flex-wrap:wrap;gap:8px 16px;padding-top:16px;padding-bottom:12px}
 .header .brand{min-height:44px}.header nav{width:100%;justify-content:space-between;gap:12px}
 .header nav a{display:flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;font-size:14px}
 .intro{padding:32px 0}.intro h1{font-size:clamp(30px,8.5vw,41px);letter-spacing:1px}
 .intro-note{padding-top:16px}.text-link{min-height:44px;display:inline-flex;align-items:center}
 .filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px}
 .filters button{min-height:44px;padding:8px 2px;font-size:14px;white-space:nowrap}
 .art-stage{height:clamp(285px,94vw,390px);padding:26px}
 .detail-image{min-height:0;padding:22px;max-height:40dvh}.detail-image img{max-height:34dvh}
 .detail-info{padding-top:24px}.admin-row{gap:10px}.admin-row .btn{padding:10px 13px}
 .admin-row img{width:40px;height:40px}.admin-top{flex-wrap:wrap;gap:10px}
 .check{min-height:44px;align-items:flex-start;padding-top:8px;font-size:14px}
 .panel{padding:16px}.btn{min-height:44px}
}