:root{--bg:#f6f6f3;--card:#fff;--ink:#1d1d1b;--muted:#6b6b66;--line:#e4e3de;--accent:#2d5bff;--danger:#d93a2b;
  --k-pdf:#e5483b;--k-office:#2d5bff;--k-image:#1f9d6b;--k-video:#8a4cf0;--k-audio:#e08a00;--k-text:#5d6670;--k-other:#888}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif}
button,input{font:inherit;color:inherit}
[hidden]{display:none!important}
.top{display:flex;gap:16px;align-items:center;padding:20px 24px 8px;max-width:1100px;margin:0 auto}
.top h1{margin:0;font-size:28px;letter-spacing:-.02em}
#q{flex:1;max-width:420px;margin-left:auto;padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.filters{max-width:1100px;margin:0 auto;padding:4px 24px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 16px;cursor:pointer}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
main{max-width:1100px;margin:0 auto;padding:0 24px 40px}
.day{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:28px 0 10px}
.card{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:16px 18px;margin-bottom:10px;text-decoration:none;color:inherit;min-height:84px}
.card:hover,.card:focus{border-color:var(--accent);outline:none}
.ext{flex:none;width:64px;height:64px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px}
.k-pdf{background:var(--k-pdf)}.k-office{background:var(--k-office)}.k-image{background:var(--k-image)}
.k-video{background:var(--k-video)}.k-audio{background:var(--k-audio)}.k-text{background:var(--k-text)}.k-other{background:var(--k-other)}
.ctext{display:flex;flex-direction:column;min-width:0;flex:1}
.ctext strong{font-size:20px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ctext span{color:var(--muted);font-size:15px}
.ctext em{font-style:normal;font-size:15px;margin-top:2px}
.del{border:0;background:none;color:var(--danger);padding:10px;cursor:pointer}
.empty{color:var(--muted);text-align:center;padding:80px 0}
.foot{text-align:center;padding:20px}
.link{border:0;background:none;color:var(--muted);cursor:pointer;font-size:14px}
#viewer{position:fixed;inset:0;display:flex;flex-direction:column;background:#111}
.vbar{display:flex;gap:12px;align-items:center;padding:10px 14px;background:var(--card);border-bottom:1px solid var(--line)}
.vtitle{display:flex;flex-direction:column;min-width:0;flex:1}
.vtitle strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vtitle span{color:var(--muted);font-size:14px}
.vactions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--card);border-radius:10px;
  padding:10px 16px;cursor:pointer;text-decoration:none;color:inherit;white-space:nowrap}
.btn.danger{color:var(--danger)}
.btn.big{margin-top:20px;padding:16px 28px;font-size:20px}
.vbody{flex:1;display:flex;min-height:0;background:#111}
.vbody iframe{flex:1;border:0;background:#fff}
.vbody img,.vbody video{max-width:100%;max-height:100%;margin:auto;object-fit:contain}
.vbody pre{flex:1;margin:0;padding:24px;background:#fff;overflow:auto;white-space:pre-wrap}
.msg{margin:auto;color:#eee;text-align:center;display:flex;flex-direction:column;align-items:center;font-size:20px}
.spin{width:36px;height:36px;border:4px solid #555;border-top-color:#fff;border-radius:50%;animation:s 1s linear infinite;margin-bottom:16px}
@keyframes s{to{transform:rotate(360deg)}}
.pin-page{min-height:100vh;display:grid;place-items:center}
.pin-box{text-align:center;padding:24px}
.pin-box h1{margin:0 0 4px;font-size:32px}.pin-box p{color:var(--muted);margin:0 0 20px}
.pin-dots{display:flex;gap:16px;justify-content:center;margin-bottom:28px}
.pin-dots span{width:18px;height:18px;border-radius:50%;border:2px solid var(--ink)}
.pin-dots span.on{background:var(--ink)}
.pad{display:grid;grid-template-columns:repeat(3,88px);gap:14px;justify-content:center}
.pad button{height:88px;border-radius:50%;border:1px solid var(--line);background:var(--card);font-size:30px;cursor:pointer}
.pad button.ghost{border:0;background:none;font-size:18px;color:var(--muted)}
.err{color:var(--danger);min-height:1.4em;margin-top:16px!important}
@media (max-width:640px){.top{flex-wrap:wrap;padding:16px}#q{max-width:none;flex-basis:100%}
  .filters,main{padding-left:16px;padding-right:16px}.vbar{flex-wrap:wrap}.vactions{width:100%;justify-content:flex-start}
  .pad{grid-template-columns:repeat(3,76px)}.pad button{height:76px}}
.clabel{width:56px;align-self:center;color:var(--muted);font-size:15px}