* { box-sizing: border-box; }
body {
  font-family: -apple-system, system-ui, Segoe UI, Roboto, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
  margin: 0;
  padding: 40px 16px;
}
.panel {
  max-width: 640px;
  margin: 0 auto;
}
h1 { font-size: 22px; }
h2 { font-size: 16px; margin-top: 40px; color: #94a3b8; }
form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #1e293b;
  padding: 20px;
  border-radius: 10px;
}
label { font-size: 13px; color: #94a3b8; margin-top: 8px; }
input {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 15px;
}
button {
  margin-top: 14px;
  padding: 11px;
  border-radius: 6px;
  border: none;
  background: #22c55e;
  color: #0f172a;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
}
button:hover { background: #16a34a; }
.resultado {
  margin-top: 16px;
  background: #1e293b;
  padding: 16px;
  border-radius: 10px;
}
.resultado.oculto { display: none; }
.link-box {
  display: flex;
  gap: 8px;
}
.link-box input {
  flex: 1;
}
.link-box button {
  margin-top: 0;
  background: #334155;
  color: #e2e8f0;
}
#irSala {
  display: inline-block;
  margin-top: 10px;
  color: #38bdf8;
}
table {
  width: 100%;
  margin-top: 10px;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid #334155;
}
a { color: #38bdf8; }