* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f7fb;
  color: #172033;
}
.container {
  max-width: 900px;
  margin: 30px auto;
  padding: 16px;
}
.card {
  background: white;
  padding: 18px;
  border-radius: 12px;
  margin-bottom: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
input {
  padding: 11px;
  width: min(100%, 300px);
  margin-right: 8px;
}
button {
  padding: 10px 15px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.user {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #eee;
}
.call { background: #e8f5e9; }
.danger { background: #ffdede; }
.hidden { display: none; }
#status { font-weight: bold; }
.videos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
video {
  width: 100%;
  min-height: 220px;
  background: #111;
  border-radius: 12px;
}
.label { margin-bottom: 6px; font-weight: bold; }
@media (max-width: 700px) {
  .videos { grid-template-columns: 1fr; }
}