:root{--bg:#fafafa;--panel:#fff;--fg:#18181b;--muted:#71717a;--border:#e4e4e7;--hover:#f4f4f5;--accent:#e11d48;--accent-fg:#fff;--ring:rgba(225,29,72,.25);--radius:10px;--shadow:0 1px 2px rgba(0,0,0,.04),0 4px 16px rgba(0,0,0,.04)}
.dark{--bg:#09090b;--panel:#111113;--fg:#fafafa;--muted:#a1a1aa;--border:#27272a;--hover:#1c1c1f;--ring:rgba(244,63,94,.35);--accent:#f43f5e;--shadow:none}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{font:14px/1.5 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}
h1{font-size:22px;margin:0 0 4px;letter-spacing:-.01em}h2{font-size:17px;margin:0 0 4px}
.muted{color:var(--muted)}.sm{font-size:13px}.xs{font-size:12px}.err{color:var(--accent);margin:0}.break{word-break:break-word}
.input{width:100%;height:36px;padding:0 12px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--fg);font:inherit;outline:none;transition:box-shadow .15s,border-color .15s}
textarea.input{height:auto;padding:8px 12px;resize:vertical}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--ring)}
.input.sm{height:32px;width:auto;font-size:13px;padding:0 10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;border-radius:8px;border:1px solid var(--border);background:var(--panel);color:var(--fg);font:inherit;font-weight:500;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .15s}
.btn:hover{background:var(--hover)}.btn.sm{height:32px;padding:0 10px;font-size:13px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{border-color:transparent;background:transparent}.btn.ghost:hover{background:var(--hover)}
.icon-btn{border:0;background:transparent;color:var(--fg);width:34px;height:34px;border-radius:8px;cursor:pointer;font-size:16px}.icon-btn:hover{background:var(--hover)}.icon-btn.xs{width:22px;height:22px;font-size:13px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:28px;box-shadow:var(--shadow)}
.narrow{max-width:380px;width:100%;margin:12vh auto;display:flex;flex-direction:column;gap:14px}
.lbl{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500}
.brandmark{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:-.01em}.dot{width:10px;height:10px;border-radius:3px;background:var(--accent)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row.end{justify-content:flex-end}.spacer{flex:1}
/* layout */
.app{display:grid;grid-template-columns:260px 1fr;height:100vh}
.side{border-right:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;min-height:0}
.side-head{display:flex;justify-content:space-between;align-items:center;padding:18px 18px 10px}
.side nav{flex:1;overflow:auto;padding:4px 10px 16px}
.side-foot{padding:10px 18px;border-top:1px solid var(--border)}
.nav-sec{display:flex;justify-content:space-between;align-items:center;margin:18px 8px 6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.nav-item{display:flex;justify-content:space-between;align-items:center;width:100%;border:0;background:transparent;color:var(--fg);text-align:left;padding:6px 8px;border-radius:7px;font:inherit;cursor:pointer;gap:6px}
.nav-item:hover{background:var(--hover)}.nav-item.active{background:var(--hover);font-weight:600}
.nav-item .count{color:var(--muted);font-size:12px;font-weight:400}
.nav-item .lab{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tree .lvl1{padding-left:20px}.tree .lvl2{padding-left:34px;font-size:13px}
.caret{display:inline-block;width:12px;color:var(--muted);transition:transform .15s}.open>.nav-item .caret{transform:rotate(90deg)}
.tree details>summary{list-style:none}.tree details>summary::-webkit-details-marker{display:none}
.main{display:flex;flex-direction:column;min-width:0;min-height:0}
.top{display:flex;gap:10px;align-items:center;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--panel)}
.search{flex:1;max-width:560px}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:14px 24px 0}
.selbar{position:sticky;top:0;z-index:5;display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:12px 24px 0;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:var(--panel);box-shadow:var(--shadow)}
#view{flex:1;overflow:auto;padding:18px 24px 40px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:18px}
.tile{margin:0;position:relative;border-radius:12px;background:var(--panel);border:1px solid var(--border);overflow:hidden;cursor:pointer;transition:box-shadow .15s,transform .15s}
.tile:hover{box-shadow:0 6px 24px rgba(0,0,0,.08)}
.tile .thumb{aspect-ratio:1;background:var(--hover);display:flex;align-items:center;justify-content:center;overflow:hidden}
.tile img{width:100%;height:100%;object-fit:contain;display:block}
.share .tile img{aspect-ratio:1;background:var(--hover)}
.tile figcaption{padding:9px 11px;display:flex;flex-direction:column;gap:2px;min-width:0}
.share .tile figcaption{flex-direction:row;align-items:center;justify-content:space-between;gap:8px}
.tile .nm{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .chk{position:absolute;top:8px;left:8px;width:22px;height:22px;border-radius:6px;border:1.5px solid rgba(255,255,255,.9);background:rgba(0,0,0,.25);opacity:0;transition:opacity .15s;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px}
.tile:hover .chk,.selecting .tile .chk{opacity:1}
.tile.sel{outline:2px solid var(--accent);outline-offset:-1px}.tile.sel .chk{background:var(--accent);border-color:var(--accent);opacity:1}
.badge{display:inline-block;padding:1px 7px;border-radius:999px;font-size:11px;font-weight:600;background:var(--hover);color:var(--muted);border:1px solid var(--border)}
.badge.lab{position:absolute;top:8px;right:8px;background:var(--panel)}
.badge.acc{background:var(--accent);color:#fff;border-color:var(--accent)}
.more{text-align:center;padding:24px}
.empty{padding:80px 20px;text-align:center;color:var(--muted)}
/* lightbox */
.lightbox{position:fixed;inset:0;z-index:50;display:grid;grid-template-columns:1fr 360px;background:var(--bg)}
.lightbox[hidden]{display:none}
.lb-stage{position:relative;display:flex;align-items:center;justify-content:center;background:var(--hover);min-height:0}
.lb-media{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:32px}
.lb-media img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;box-shadow:var(--shadow)}
.lb-media iframe{width:100%;height:100%;border:0;background:#fff;border-radius:6px}
.lb-media video{max-width:100%;max-height:100%}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:var(--panel);color:var(--fg);font-size:24px;cursor:pointer;z-index:2}
.lb-nav.prev{left:16px}.lb-nav.next{right:16px}
.lb-panel{border-left:1px solid var(--border);background:var(--panel);padding:18px 22px;overflow:auto;display:flex;flex-direction:column;gap:14px}
.lb-top{display:flex;justify-content:space-between;align-items:center}
.meta{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:0;font-size:13px}.meta dt{color:var(--muted)}.meta dd{margin:0;word-break:break-word}
.tagbox{display:flex;flex-wrap:wrap;gap:6px;min-height:36px;padding:5px 8px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}
.tagbox input{border:0;outline:0;background:transparent;color:var(--fg);font:inherit;flex:1;min-width:90px}
.chip{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;background:var(--hover);border:1px solid var(--border);font-size:12px}
.chip button{border:0;background:none;color:var(--muted);cursor:pointer;padding:0;font-size:12px}
.dialog{border:1px solid var(--border);border-radius:14px;background:var(--panel);color:var(--fg);padding:24px;width:min(440px,92vw);box-shadow:0 20px 60px rgba(0,0,0,.2)}
.dialog form{display:flex;flex-direction:column;gap:14px}.dialog::backdrop{background:rgba(0,0,0,.4)}
.shareout{display:flex;gap:8px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:13px;z-index:100}
table.list{width:100%;border-collapse:collapse;font-size:13px}table.list td,table.list th{padding:10px 8px;border-bottom:1px solid var(--border);text-align:left}
.share-main{max-width:1200px;margin:0 auto;padding:32px 24px}.sh-head{margin-bottom:24px}
.only-mobile{display:none}
@media (max-width:820px){
  .app{grid-template-columns:1fr}.only-mobile{display:inline-block}
  .side{position:fixed;inset:0 25% 0 0;z-index:40;transform:translateX(-105%);transition:transform .2s;box-shadow:0 0 40px rgba(0,0,0,.2)}
  .side.open{transform:none}
  .top,.filters{padding-left:14px;padding-right:14px}#view{padding:14px}.selbar{margin:10px 14px 0}
  .grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
  .filters .input.sm{flex:1 1 40%}#fClear,#crumb{display:none}
  .lightbox{grid-template-columns:1fr;grid-template-rows:55vh 1fr}.lb-panel{border-left:0;border-top:1px solid var(--border)}
  .lb-media{padding:12px}#logout{display:none}
}
[hidden]{display:none!important}
.nav-item .lab{flex:1;text-align:left}