/* Ranbin · Neutral Gallery, adapted from the approved B direction. */
.portfolio-heading{padding-top:0}
.portfolio-title-line{display:flex;align-items:baseline;justify-content:space-between;gap:16px}
.portfolio-heading h1{font-size:32px;line-height:1.25;letter-spacing:-.01em;font-weight:600;margin:0;color:var(--card-text-color-main)}
.portfolio-intro{margin:12px 0 0;font-size:14px;line-height:1.85;color:var(--card-text-color-secondary)}
.portfolio-toolbar{display:flex;align-items:center;border-bottom:1px solid var(--preview-line);gap:12px}
.portfolio-filters{display:flex;gap:24px;flex-wrap:wrap}
.portfolio-filters button{border:0;border-bottom:2px solid transparent;border-radius:0;background:transparent;padding:10px 0 12px;min-height:44px;color:var(--body-text-color);font-size:14px;display:flex;gap:6px;align-items:center}
.portfolio-filters button[aria-pressed=true]{color:var(--card-text-color-main);border-color:var(--card-text-color-main);font-weight:600}
.portfolio-filters button span{font-size:11px;font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-weight:400;color:var(--card-text-color-tertiary)}
.sample-note{font-size:12px;line-height:1.8;color:var(--body-text-color);margin:-8px 0 -6px;display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.sample-note[hidden]{display:none}
.sample-note span{padding:2px 7px;border:1px solid var(--preview-line);border-radius:4px;font-size:11px}
.portfolio-status{font-size:16px;color:var(--body-text-color);line-height:1.8;padding:32px;background:var(--preview-soft);border:1px solid var(--preview-line);border-radius:6px;min-height:220px;display:flex;align-items:flex-end}
.portfolio-status[hidden]{display:none}
.art-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}
.art-card{min-width:0;break-inside:avoid}
.art-card:first-child{grid-column:1/-1}
.art-open{display:block;width:100%;padding:0;border:0;background:var(--preview-soft);border-radius:6px;overflow:hidden;position:relative;text-align:left}
.art-cover{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:var(--preview-soft);transition:filter .2s ease}
.art-open:hover .art-cover{filter:brightness(.92)}
.art-open:focus-visible{outline:2px solid var(--accent-color);outline-offset:4px}
.art-badge{position:absolute;left:12px;top:12px;background:rgba(17,17,17,.84);color:#fff;font-size:11px;padding:3px 7px;border-radius:4px;letter-spacing:.02em}
.art-action{position:absolute;right:12px;bottom:12px;width:44px;height:44px;background:#fff;color:#161616;border-radius:50%;display:grid;place-items:center}
.art-action svg{width:17px;height:17px}
.art-card:first-child .art-action{width:48px;height:48px;right:16px;bottom:16px}
.art-card-meta{display:flex;align-items:baseline;gap:12px;justify-content:space-between;padding:12px 0 0}
.art-card-meta h2{font-size:16px;font-weight:600;line-height:1.45;margin:0;color:var(--card-text-color-main);overflow-wrap:anywhere}
.art-card:first-child .art-card-meta h2{font-size:20px}
.art-card-index{font-size:11px;font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;color:var(--card-text-color-tertiary)}
.art-card-sub{font-size:12px;line-height:1.8;margin:4px 0 0;color:var(--body-text-color)}
.art-type-marker{font-size:11px;margin-right:8px}
.art-demo-tag{font-size:11px;color:var(--card-text-color-tertiary)}
.collection-end{display:flex;gap:14px;align-items:center;justify-content:center;padding-top:4px;color:var(--card-text-color-tertiary)}
.collection-end p{font-size:12px}
.collection-end>span{width:28px;height:1px;background:var(--preview-line)}
.portfolio-sidebar{gap:24px}
.portfolio-aside-section h2,.local-preview-note h2{font-size:12px;font-weight:600;line-height:1.6;margin:0 0 10px;color:var(--card-text-color-secondary)}
.portfolio-aside-section p{font-size:14px;line-height:1.85;margin:0;color:var(--body-text-color)}
.aside-rule{display:block;width:24px;height:1px;background:var(--preview-line);margin:14px 0 10px}
.portfolio-aside-section p.aside-detail{font-size:12px;line-height:1.8;color:var(--card-text-color-tertiary)}
.platform-section{border-top:1px solid var(--preview-line);padding-top:16px}
.local-preview-note{border-top:1px solid var(--preview-line);padding-top:20px;position:relative}
.local-preview-note h2{margin-bottom:10px;font-size:12px;padding-left:12px}
.local-dot{position:absolute;top:26px;left:0;width:5px;height:5px;border-radius:50%;background:var(--accent-color)}
.local-preview-note p{color:var(--body-text-color);font-size:12px;line-height:1.9;margin:0 0 14px}
.local-preview-note a{font-size:12px;color:var(--accent-color);display:flex;justify-content:space-between}
.art-dialog{width:min(1100px,calc(100vw - 48px));max-height:calc(100dvh - 40px);padding:0;border:1px solid #444;border-radius:8px;background:#111;color:#ededeb;box-shadow:0 20px 100px #0005;overflow:auto}
.art-dialog::backdrop{background:rgba(0,0,0,.82)}
.art-dialog-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 18px;position:sticky;top:0;background:#111;z-index:2;border-bottom:1px solid #333;font-size:12px;color:#d0d0cc}
.art-dialog-bar button{background:transparent;border:1px solid #5c5c58;font-size:28px;width:44px;height:44px;color:#fff;border-radius:6px}
.art-dialog-bar button:hover{background:#2a2a28}
.art-dialog :focus-visible{outline:2px solid #8fb1e3;outline-offset:3px}
.art-dialog-media{background:#111;display:flex;align-items:center;justify-content:center;min-height:220px;position:relative}
.art-dialog-media>img{display:block;max-width:100%;width:auto;height:auto;max-height:65dvh;object-fit:contain}
.art-dialog-media>iframe{width:100%;aspect-ratio:16/9;border:0;display:block;min-height:230px;background:#111}
.art-dialog-media>video{display:block;width:100%;height:auto;max-height:67dvh;min-width:0;background:#111;object-fit:contain}
.art-dialog-media.portrait-video>iframe{aspect-ratio:9/16;width:min(390px,100%);max-height:67dvh}
.art-dialog-info{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:22px 26px}
.art-dialog-info h2{font-size:20px;margin:0 0 6px;line-height:1.45;overflow-wrap:anywhere}
.art-dialog-info p{font-size:13px;line-height:1.8;margin:0;color:#a8a8a4}
.art-dialog-info a{font-size:13px;flex-shrink:0;color:#8fb1e3;text-decoration:underline;text-underline-offset:3px}
.art-dialog-note{font-size:13px;line-height:1.8;background:#222;padding:15px 26px;color:#d0d0cc}
.art-dialog-note a{color:#8fb1e3;text-decoration:underline;margin-left:12px}
.art-dialog-note[hidden],.art-dialog-info a[hidden]{display:none}
.video-demo-overlay{position:absolute;bottom:18px;left:18px;right:18px;text-align:center;padding:13px 16px;background:rgba(17,17,17,.9);color:#fff;border:1px solid #444;border-radius:6px;font-size:13px;line-height:1.8}
.portfolio-page .site-footer{margin-top:0}
.portfolio-page .main{padding-bottom:10px}
@media(max-width:1279px){.art-grid{gap:24px 16px}}
@media(max-width:767px){
  .portfolio-heading h1{font-size:26px}
  .portfolio-intro{font-size:14px;margin-top:10px}
  .portfolio-filters{gap:22px}
  .portfolio-filters button{font-size:13px}
  .sample-note{font-size:11px;gap:6px;margin:-6px 0 -4px}
  .portfolio-status{padding:20px;min-height:190px;font-size:15px}
  .art-grid{gap:22px 12px}
  .art-card-meta{padding-top:10px;gap:5px}
  .art-card-meta h2{font-size:14px;line-height:1.5}
  .art-card:first-child .art-card-meta h2{font-size:18px}
  .art-card-sub{font-size:11px}
  .art-card-index{font-size:10px}
  .art-badge{left:8px;top:8px;font-size:10px;padding:2px 6px}
  .art-action{right:8px;bottom:8px;width:36px;height:36px}
  .art-card:first-child .art-action{width:44px;height:44px;right:12px;bottom:12px}
  .art-dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 20px);border-radius:8px}
  .art-dialog-info{padding:18px;align-items:flex-start;flex-direction:column;gap:12px}
  .art-dialog-info h2{font-size:20px}
  .art-dialog-note{padding:14px 18px}
  .art-dialog-note a{display:block;margin:7px 0 0}
  .art-dialog-media{min-height:170px}
  .art-dialog-media>iframe{min-height:180px}
  .video-demo-overlay{left:10px;right:10px;bottom:10px;padding:10px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){.art-cover{transition:none}}