:root{
  --bg:#0f1115; --panel:#171a21; --panel2:#1e222b; --line:#272c37;
  --fg:#e6e9ef; --muted:#8b93a3; --accent:#4f8cff; --ok:#3ecf8e;
  --warn:#f0b429; --danger:#f06565; --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:16px}

/* header */
header{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.hdr{display:flex;align-items:center;gap:16px;flex-wrap:wrap;max-width:1180px;margin:0 auto;padding:12px 16px}
.brand{font-weight:600;font-size:16px;letter-spacing:.2px}
.brand span{color:var(--accent)}
.stats{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto;align-items:center}
.stat{display:flex;flex-direction:column;line-height:1.25}
.stat b{font-variant-numeric:tabular-nums;font-size:14px}
.stat i{font-style:normal;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.6px}
.diskbar{width:150px;height:6px;background:var(--panel2);border-radius:99px;overflow:hidden;margin-top:4px}
.diskbar>div{height:100%;background:var(--ok)}
.diskbar.warn>div{background:var(--warn)}
.diskbar.crit>div{background:var(--danger)}

/* tabs */
nav.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px}
nav.tabs button{background:none;border:0;padding:10px 14px;cursor:pointer;color:var(--muted);
  border-bottom:2px solid transparent;font-weight:500}
nav.tabs button.on{color:var(--fg);border-bottom-color:var(--accent)}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.card h2{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--muted);
  text-transform:uppercase;letter-spacing:.7px}

textarea,input[type=text],input[type=password]{width:100%;background:var(--panel2);border:1px solid var(--line);
  border-radius:8px;padding:10px 12px;outline:none}
textarea:focus,input:focus{border-color:var(--accent)}
textarea{min-height:76px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}

.btn{background:var(--accent);border:0;border-radius:8px;padding:9px 16px;cursor:pointer;
  color:#fff;font-weight:600}
.btn:disabled{opacity:.5;cursor:default}
.btn.ghost{background:var(--panel2);border:1px solid var(--line);color:var(--fg);font-weight:500}
.btn.sm{padding:5px 10px;font-size:12.5px;border-radius:6px}
.btn.danger{background:var(--danger)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* drop zone */
.drop{border:1.5px dashed var(--line);border-radius:8px;padding:18px;text-align:center;
  color:var(--muted);cursor:pointer;transition:.15s}
.drop.hot{border-color:var(--accent);background:rgba(79,140,255,.07);color:var(--fg)}

/* torrents */
.tor{border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:10px;background:var(--panel2)}
.tor .top{display:flex;gap:10px;align-items:flex-start}
.tor .name{font-weight:500;word-break:break-word;flex:1}
.pbar{height:7px;background:#11141a;border-radius:99px;overflow:hidden;margin:9px 0 7px}
.pbar>div{height:100%;background:var(--accent);transition:width .4s}
.tor.done .pbar>div{background:var(--ok)}
.meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:12.5px;font-variant-numeric:tabular-nums}
.meta b{color:var(--fg);font-weight:600}
.tag{font-size:11px;padding:2px 7px;border-radius:99px;background:#2a3040;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.tag.dl{background:rgba(79,140,255,.18);color:#8db4ff}
.tag.up{background:rgba(62,207,142,.15);color:var(--ok)}
.tag.pause{background:rgba(240,180,41,.15);color:var(--warn)}
.tag.err{background:rgba(240,101,101,.18);color:var(--danger)}

/* file browser */
.crumbs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px;color:var(--muted);font-size:13px}
.crumbs a{cursor:pointer}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);
  padding:6px 8px;border-bottom:1px solid var(--line);font-weight:600}
td{padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tr:hover td{background:var(--panel2)}
td.size{font-variant-numeric:tabular-nums;color:var(--muted);white-space:nowrap;text-align:right}
td.acts{text-align:right;white-space:nowrap}
.fname{display:flex;align-items:center;gap:8px;cursor:pointer;word-break:break-word}
.ico{width:16px;text-align:center;opacity:.8}

/* modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;
  justify-content:center;padding:16px;z-index:50}
.modal .card{max-width:720px;width:100%;margin:0;max-height:88vh;overflow:auto}
.cmd{background:#0b0d11;border:1px solid var(--line);border-radius:8px;padding:11px 12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;
  word-break:break-all;white-space:pre-wrap;margin:6px 0 4px}
.lbl{font-size:12px;color:var(--muted);margin-top:14px;font-weight:600}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--panel2);
  border:1px solid var(--line);border-radius:8px;padding:10px 18px;z-index:99;box-shadow:0 8px 28px rgba(0,0,0,.5)}
.toast.err{border-color:var(--danger);color:#ffb3b3}
.empty{color:var(--muted);text-align:center;padding:26px}
.banner{border-radius:8px;padding:10px 14px;margin-bottom:14px;font-size:13px}
.banner.warn{background:rgba(240,180,41,.12);border:1px solid rgba(240,180,41,.35);color:#ffd88a}
.banner.err{background:rgba(240,101,101,.12);border:1px solid rgba(240,101,101,.35);color:#ffb3b3}

/* login */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.login .card{max-width:340px;width:100%}