:root{--bg:#f5f7fb;--card:#fff;--text:#1c202b;--muted:#7d8699;--line:#e6eaf1;--primary:#5968ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}.dark{--bg:#11151d;--card:#191f29;--text:#eef2f8;--muted:#94a0b5;--line:#2a3342}header{max-width:1280px;margin:auto;padding:28px 24px 20px;display:grid;grid-template-columns:160px 1fr 60px;align-items:center;text-align:center}.back{color:var(--text);text-decoration:none;text-align:left}header h1{margin:0;font-size:34px}header p{margin:6px 0 0;color:var(--muted)}header button{justify-self:end;border:1px solid var(--line);background:var(--card);color:var(--text);width:40px;height:40px;border-radius:10px}main{max-width:1280px;margin:auto;padding:10px 24px 50px}.gallery-grid{columns:5 220px;column-gap:14px}.item{break-inside:avoid;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:0 0 14px;box-shadow:0 8px 28px rgba(30,40,70,.05)}.item img{display:block;width:100%;height:auto;background:#edf0f5}.meta{padding:10px}.meta b{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta small{color:var(--muted)}.actions{display:flex;gap:6px;margin-top:8px}.actions button{flex:1;border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:8px;padding:7px;cursor:pointer}.more{display:block;margin:28px auto 0;border:0;background:var(--primary);color:#fff;padding:11px 22px;border-radius:10px}.empty{text-align:center;color:var(--muted);padding:80px 0}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#171a22;color:#fff;padding:10px 14px;border-radius:9px;opacity:0;transition:.2s}.toast.show{opacity:1}@media(max-width:650px){header{grid-template-columns:80px 1fr 45px;padding:18px 12px}header h1{font-size:25px}header p{font-size:11px}.gallery-grid{columns:2 150px;column-gap:8px}main{padding:8px}.item{margin-bottom:8px}}

html.dark,html[data-theme="dark"],body.dark,body[data-theme="dark"]{background:#10141b!important;color:#eef2f8!important}
body.dark{--bg:#10141b;--card:#191f29;--text:#eef2f8;--muted:#98a3b7;--line:#2b3443;background:var(--bg)!important;color:var(--text)!important}
body.dark header,body.dark main{color:var(--text)}
body.dark .item{background:var(--card)!important;border-color:var(--line)!important;box-shadow:0 8px 28px rgba(0,0,0,.22)}
body.dark .item img{background:#202733!important}
body.dark header button,body.dark .actions button{background:#202733!important;color:var(--text)!important;border-color:var(--line)!important}