:root{
  --bg:#0d1117; --panel:#161b22; --panel2:#1c2330; --line:#2a3242;
  --txt:#e8edf4; --muted:#8b96a8; --acc:#3b82f6; --acc2:#22c55e; --bad:#ef4444;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);
  font-family:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
.hidden{display:none!important}
button{cursor:pointer;border:1px solid var(--line);background:var(--panel2);color:var(--txt);
  border-radius:9px;padding:8px 14px;font-size:14px}
button.primary{background:var(--acc);border-color:var(--acc);color:#fff;font-weight:600}
button.ghost{background:transparent}
button:hover{filter:brightness(1.15)}
input,select{background:var(--panel);border:1px solid var(--line);color:var(--txt);
  border-radius:9px;padding:9px 12px;font-size:14px;width:100%}
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}
label input{margin-top:5px}
.err{color:var(--bad);min-height:20px;font-size:13px;margin-top:8px}
.muted{color:var(--muted);font-size:13px}
.logo{font-size:24px;font-weight:800;letter-spacing:.5px}
.logo span{color:var(--acc)}
.logo.small{font-size:17px;white-space:nowrap}

.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:28px 26px;width:100%;max-width:380px}
.auth-card .primary{width:100%;margin-top:16px;padding:11px}

header{position:sticky;top:0;z-index:20;display:flex;gap:12px;align-items:center;
  background:rgba(13,17,23,.92);backdrop-filter:blur(6px);
  padding:10px 14px;border-bottom:1px solid var(--line)}
header #search{max-width:420px;flex:1}
.hgroup{margin-left:auto;display:flex;gap:8px;align-items:center}

.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:10px 14px}
#crumbs{display:flex;gap:4px;flex-wrap:wrap;align-items:center;font-size:15px}
#crumbs a{color:var(--acc);text-decoration:none;cursor:pointer}
#crumbs .sep{color:var(--muted)}
.tactions{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chips{display:flex;gap:6px}
.chip{padding:6px 12px;border-radius:999px;font-size:13px}
.chip.active{background:var(--acc);border-color:var(--acc);color:#fff}

#drop-hint{margin:0 14px 6px;padding:10px;border:1px dashed var(--line);border-radius:12px;
  color:var(--muted);text-align:center;font-size:13px}
main.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));
  gap:12px;padding:8px 14px 90px}
main.list{display:block;padding:8px 14px 90px}
.item{background:var(--panel);border:1px solid var(--line);border-radius:13px;
  padding:12px 10px;text-align:center;cursor:pointer;position:relative;user-select:none}
.item:hover{border-color:var(--acc)}
.item .ic{font-size:42px;line-height:1.15}
.item .th{width:100%;height:86px;object-fit:cover;border-radius:8px;background:#000}
.item .nm{font-size:13px;margin-top:7px;word-break:break-all;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item .sz{font-size:11px;color:var(--muted);margin-top:2px}
.item .badge{position:absolute;top:7px;left:7px;font-size:10px;background:#123;
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;color:#9fd}
.item .dots{position:absolute;top:5px;right:5px;background:transparent;border:none;
  font-size:17px;color:var(--muted);padding:2px 6px}
main.list .item{display:flex;align-items:center;text-align:left;gap:12px;padding:8px 12px;margin-bottom:8px}
main.list .item .ic{font-size:26px}
main.list .item .th{width:52px;height:38px}
main.list .item .nm{margin:0;flex:1}
.empty{text-align:center;color:var(--muted);padding:60px 20px;font-size:15px;line-height:1.7}

.menu{position:fixed;z-index:60;background:var(--panel2);border:1px solid var(--line);
  border-radius:11px;min-width:190px;padding:5px;box-shadow:0 10px 32px rgba(0,0,0,.5)}
.menu button{display:block;width:100%;text-align:left;background:transparent;border:none;
  padding:9px 11px;border-radius:7px;font-size:14px}
.menu button:hover{background:var(--acc);color:#fff}
.menu button.danger:hover{background:var(--bad)}

.uploads{position:fixed;right:12px;bottom:12px;z-index:50;width:min(430px,94vw);
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  box-shadow:0 12px 40px rgba(0,0,0,.55);max-height:46vh;display:flex;flex-direction:column}
.up-head{display:flex;justify-content:space-between;align-items:center;padding:9px 13px;
  border-bottom:1px solid var(--line)}
#up-list{overflow:auto;padding:8px 12px}
.up-item{padding:7px 0;border-bottom:1px solid #202938}
.up-item:last-child{border-bottom:none}
.up-nm{font-size:13px;word-break:break-all}
.up-meta{font-size:11px;color:var(--muted);display:flex;justify-content:space-between;margin:3px 0}
.bar{height:6px;background:#0a0e14;border-radius:99px;overflow:hidden;margin:2px 0}
.bar>i{display:block;height:100%;background:var(--acc);width:0%}
.bar.tg>i{background:var(--acc2)}
.up-item .x{float:right;background:transparent;border:none;color:var(--muted);font-size:14px}

.modal-wrap{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.6);
  display:flex;align-items:center;justify-content:center;padding:14px}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:15px;
  padding:20px;width:100%;max-width:420px;max-height:88vh;overflow:auto}
.modal h3{margin:0 0 10px}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.folder-pick{max-height:260px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:6px}
.folder-pick div{padding:8px 10px;border-radius:7px;cursor:pointer;font-size:14px}
.folder-pick div:hover,.folder-pick div.sel{background:var(--acc);color:#fff}

.viewer{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.94);
  display:flex;flex-direction:column;align-items:center;justify-content:center}
.viewer img,.viewer video{max-width:96vw;max-height:82vh;border-radius:8px}
#viewer-close{position:absolute;top:14px;right:14px;font-size:18px;background:var(--panel2)}
#viewer-name{color:var(--muted);margin-top:12px;font-size:14px;word-break:break-all;padding:0 16px;text-align:center}

#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:22px;z-index:90;
  background:var(--panel2);border:1px solid var(--line);color:var(--txt);
  padding:10px 18px;border-radius:99px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .25s}
#toast.show{opacity:1}
#drop-overlay{position:fixed;inset:0;z-index:65;background:rgba(59,130,246,.18);
  border:3px dashed var(--acc);display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:700;pointer-events:none}
@media (max-width:640px){
  header #search{max-width:none}
  #stats{display:none}
  main.grid{grid-template-columns:repeat(auto-fill,minmax(108px,1fr))}
}