* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background: #101114;
  color: #f5f7fb;
}

.app-header {
  padding: 22px 28px;
  background: #191b22;
  border-bottom: 1px solid #2a2d38;
}

.app-header h1 {
  margin: 0;
  font-size: 1.8rem;
}

.app-header p {
  margin: 6px 0 0;
  color: #aeb5c6;
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: calc(100vh - 86px);
}

.meeting-panel {
  padding: 20px 28px;
  background: #151720;
  border-bottom: 1px solid #2a2d38;
}

.meeting-panel h2 {
  margin: 0 0 16px;
  font-size: 1.2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: #d9def0;
  font-size: 0.95rem;
}

input {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid #333747;
  border-radius: 10px;
  background: #0d0f15;
  color: #ffffff;
  font-size: 1rem;
}

input:focus {
  outline: 2px solid #4b91ff;
  border-color: #4b91ff;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 11px 14px;
  background: #2e3342;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.12);
}

button.primary {
  background: #2563eb;
}

button.danger {
  background: #b42318;
}

.status {
  margin: 14px 0 0;
  color: #aeb5c6;
}

.meeting-stage {
  min-height: 520px;
}

#jitsi-container {
  width: 100%;
  height: calc(100vh - 285px);
  min-height: 520px;
  background: #050608;
}

@media (max-width: 720px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  #jitsi-container {
    height: calc(100vh - 430px);
  }
}