:root{
  --bg:#f7f5f2;
  --card:#ffffff;
  --ink:#0f172a;
  --muted:#6b7280;
  --border:#e5e7eb;
  --primary:#2563eb;
  --primary-ink:#ffffff;
  --danger:#dc2626;
  --danger-ink:#ffffff;
  --accent:#e2e8f0;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
}

/* App Bar */
.appbar{position:sticky;top:0;background:#0b1220;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);z-index:10}
.appbar__inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 16px}
.brand{color:#fff;text-decoration:none;font-weight:800;letter-spacing:.3px}
.nav{display:flex;gap:10px;align-items:center}
.nav__link{color:#cbd5e1;text-decoration:none;padding:6px 8px;border-radius:8px}
.nav__link:hover{background:rgba(255,255,255,.06)}

/* Buttons */
.btn{appearance:none;border:1px solid var(--border);background:#fff;color:var(--ink);
  padding:8px 12px;border-radius:10px;font-weight:600;cursor:pointer;transition:.15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.btn-outline{background:#fff}
.btn-danger{background:var(--danger);color:var(--danger-ink);border-color:var(--danger)}
.btn.sm{padding:6px 10px;border-radius:8px;font-size:12px}

/* Inputs */
.input{
  width:100%;max-width:260px;padding:10px 12px;border:1px solid var(--border);
  border-radius:10px;background:#fff;color:var(--ink);outline:none
}
.input:focus{border-color:#94a3b8;box-shadow:0 0 0 3px rgba(148,163,184,.25)}

/* Layout */
.mainwrap{max-width:1100px;margin:22px auto;padding:0 12px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 10px 30px rgba(2,8,23,.04)}
.stack{display:flex;gap:10px;align-items:center}
.stack.sm{gap:6px}
.muted{color:var(--muted)}

.grid{display:grid;grid-template-columns:280px 1fr;gap:16px;margin-top:12px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}

.panel{border:1px solid var(--border);border-radius:14px;background:#fff;overflow:hidden}
.panel__header{padding:12px 14px;border-bottom:1px solid var(--border);font-weight:700;background:linear-gradient(#fff,#fbfbfb)}
.rooms{min-height:420px}

/* Rooms */
.rooms__list{list-style:none;margin:0;padding:0}
.rooms__item{border-bottom:1px solid var(--border)}
.rooms__btn{
  display:grid;grid-template-columns:1fr 22px 22px auto;gap:10px;align-items:center;
  width:100%;text-align:left;background:#fff;border:0;padding:10px 12px;cursor:pointer
}
.rooms__btn:hover{background:#fafafa}
.rooms__name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rooms__mic,.rooms__lock{display:flex;align-items:center;justify-content:center;opacity:.8}
.rooms__pill{
  justify-self:end;min-width:28px;text-align:center;font-weight:700;
  background:var(--accent);color:#334155;border-radius:20px;padding:2px 8px
}

/* Chat */
.chat .messages{
  height:320px;border-top:1px dashed var(--border);border-bottom:1px dashed var(--border);
  padding:10px;overflow:auto;background:#fafafa
}
.msg{margin:6px 0}
.composer{display:flex;gap:10px;margin-top:8px}

/* Badges (Rozetler) */
.badge{display:inline-block;padding:2px 6px;border-radius:6px;font-weight:600;font-size:12px;line-height:1;background:#eef2ff;color:#334155}
.badge--admin{background:#e11d48;color:#fff;font-weight:800;letter-spacing:.2px;margin-right:8px}

/* Subpanels */
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:10px}
@media (max-width:900px){.split{grid-template-columns:1fr}}

#peersAudio audio{display:block;margin:4px 0}

/* Screen share videos */
.videos{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin-top:8px}
.video{width:100%;aspect-ratio:16/9;background:#000;border-radius:10px}
.video.self{outline:2px solid var(--primary)}