:root{
  --bg:#0d0b14;
  --panel:#151120;
  --panel2:#1b1530;
  --line:#2d2650;
  --text:#ece7ff;
  --muted:#9a92c0;
  --dim:#6f6895;
  --magenta:#e028c4;
  --purple:#b816ff;
  --violet:#7c3aed;
  --danger:#ff5d7a;
  --ok:#4ade80;
  --warn:#facc15;
  --radius:16px;
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1100px 620px at 85% -10%, rgba(184,22,255,.16), transparent 60%),
    radial-gradient(900px 520px at -10% 110%, rgba(224,40,196,.12), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  min-height:100vh;
  line-height:1.5;
  padding-bottom:env(safe-area-inset-bottom);
}
a{color:var(--purple)}
button{font-family:inherit}
[hidden]{display:none!important}

/* ---------- header ---------- */
.top{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;padding:14px 14px 12px;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
  background:rgba(13,11,20,.82);backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.logo{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--magenta),var(--violet));
  color:#fff;font-weight:800;font-size:21px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 18px rgba(224,40,196,.5);
}
.titles{min-width:0}
.titles h1{margin:0;font-size:17px;line-height:1.2;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag{margin:.1em 0 0;color:var(--muted);font-size:11.5px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.net-badge{
  display:none;align-items:center;gap:6px;color:var(--muted);font-size:11.5px;
  border:1px solid var(--line);padding:5px 10px;border-radius:999px;flex:0 0 auto;white-space:nowrap;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok);flex:0 0 auto}
@media(min-width:560px){ .net-badge{display:flex} .top{padding:18px 24px} .logo{width:46px;height:46px;font-size:24px} .titles h1{font-size:21px} }

/* ---------- layout ---------- */
.grid{display:grid;grid-template-columns:1fr;gap:14px;padding:12px 12px 6px;max-width:1200px;margin:0 auto}
.card{
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 14px 18px;
}
.card.wide{grid-column:1 / -1}
.card h2{display:flex;align-items:center;gap:10px;margin:0 0 6px;font-size:16px}
.step{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--magenta),var(--violet));
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#fff;
}
.hint{color:var(--muted);font-size:13px;margin:0 0 16px}
code{background:#251e41;padding:2px 6px;border-radius:6px;font-size:12px;word-break:break-all}

/* ---------- buttons / inputs ---------- */
.btn-row{display:flex;flex-direction:column;gap:10px}
.btn-row .btn{width:100%}
.btn{
  background:var(--panel2);border:1px solid var(--line);color:var(--text);
  padding:14px 16px;border-radius:12px;cursor:pointer;font-size:15px;font-weight:600;
  transition:.15s;min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:6px;
}
.btn:hover:not(:disabled){border-color:var(--purple)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn.primary:disabled{opacity:.55}
.btn.primary{background:linear-gradient(135deg,var(--magenta),var(--violet));border:none;color:#fff;box-shadow:0 2px 14px rgba(224,40,196,.35)}
.btn.primary:hover:not(:disabled){filter:brightness(1.1)}
.btn.ghost{background:transparent}
.btn.small{padding:10px 12px;font-size:13px;min-height:42px;border-radius:10px}
.danger{color:var(--danger)}
.danger-ghost:hover{border-color:var(--danger);color:var(--danger)}

.import-box{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.import-box label{font-size:12.5px;color:var(--muted)}
.pw-toggle{margin-top:12px}
.pw-field{display:flex;flex-direction:column;gap:8px}
.check{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;cursor:pointer;color:var(--text)}
.check input{width:18px;height:18px;accent-color:var(--purple);margin:1px 0 0;flex:0 0 auto}
.overlay{
  position:fixed;inset:0;z-index:70;background:rgba(8,6,16,.78);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.overlay-card{
  background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:16px;padding:22px;width:100%;max-width:400px;
}
.overlay-card h3{margin:0 0 4px}
.overlay-card .btn-row{margin-top:12px}
input,textarea,select{
  background:#0f0c1e;border:1px solid var(--line);border-radius:12px;color:var(--text);
  padding:12px 12px;font-size:16px;width:100%;outline:none;font-family:inherit;
}
input:focus,textarea:focus,select:focus{border-color:var(--purple)}
select{appearance:none;-webkit-appearance:none;background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="8"><path d="M1 1l5 5 5-5" stroke="%239a92c0" stroke-width="2" fill="none"/></svg>');background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
textarea{resize:vertical}
.divider{border-top:1px solid var(--line);margin:18px 0 14px}
.subhead{margin:0 0 4px;font-size:14px;color:var(--text)}

.id-row,.seed-row{display:flex;gap:10px;margin-bottom:10px;flex-direction:column}
.id-row label,.seed-row label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;min-width:0}
.seed-controls{display:flex;flex-wrap:wrap;gap:8px}
.microdanger{color:var(--danger);font-size:12px;margin:10px 0 0}
.warn{color:var(--danger);font-size:12px;word-break:break-all;background:#2a1030;padding:9px 11px;border-radius:9px}

.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.log{margin-top:12px;font-size:12.5px;color:var(--muted);white-space:pre-wrap;word-break:break-word}
.log .ok{color:var(--ok)}
.log .err{color:var(--danger)}
.log .dim{color:var(--muted)}

/* ---------- room / chat ---------- */
.room-controls{display:flex;gap:8px;margin-bottom:12px;flex-direction:column}
.room-controls .conn{color:var(--dim);font-size:12px;text-align:right}
.chat{
  background:#0f0c1e;border:1px solid var(--line);border-radius:12px;
  height:52vh;min-height:260px;max-height:560px;overflow-y:auto;padding:11px;font-size:13.5px;
  display:flex;flex-direction:column;gap:8px;-webkit-overflow-scrolling:touch;
}
.msg .author{font-weight:700;color:var(--purple);margin-right:6px}
.msg .author.anon{color:var(--magenta)}
.msg .author.you{color:var(--ok)}
.msg .ts{color:var(--dim);font-size:10.5px;margin-right:8px}
.msg .body{white-space:pre-wrap;word-break:break-word}
.empty{color:var(--dim);font-style:italic}
.compose{display:flex;gap:8px;flex-direction:column;margin-top:12px}
.compose input{flex:1}
.compose .btn-row2{display:flex;gap:8px}
.compose .btn-row2 .btn{flex:1}
.micro{color:var(--dim);font-size:11.5px;margin:10px 0 0;line-height:1.45}

/* ---------- toast ---------- */
.notify{
  position:fixed;top:12px;left:12px;right:12px;margin:0 auto;max-width:480px;z-index:60;
  background:var(--panel2);border:1px solid var(--purple);color:var(--text);
  padding:10px 14px;border-radius:12px;font-size:13.5px;box-shadow:0 6px 26px rgba(0,0,0,.5);
  text-align:center;line-height:1.4;
}

.foot{padding:18px 16px 30px;color:var(--muted);font-size:12px;max-width:1200px;margin:0 auto}
.foot p{margin:0;line-height:1.5}

/* ---------- tablet / desktop ---------- */
@media(min-width:760px){
  .grid{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:18px;padding:24px clamp(18px,3vw,40px) 10px}
  .card{padding:20px 22px 24px}
  .card h2{font-size:17px}
  .hint{font-size:13.5px}
  .btn{padding:11px 16px;min-height:auto}
  .btn.small{padding:7px 11px;min-height:auto}
  .btn-row{flex-direction:row}
  .btn-row .btn{width:auto}
  .id-row,.seed-row{flex-direction:row;align-items:center}
  .seed-controls{flex-wrap:nowrap}
  .import-box{max-width:440px}
  .room-controls{flex-direction:row;align-items:center}
  .room-controls input{max-width:210px}
  .conn{margin-left:auto}
  .compose{flex-direction:row;align-items:center}
  .compose input{flex:1}
  .compose .btn-row2{display:contents}
  .compose .btn-row2 .btn{flex:0 0 auto}
  .chat{height:340px}
}

/* safe area for very small phones */
@media(max-width:360px){
  .btn{padding:12px 10px;font-size:14px}
  .card{padding:15px 12px}
}