* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body.bg {
  margin: 0;
  background: #0b1220;
  color: #fff;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  max-width: 920px;
  margin: 40px auto;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 24px;
  backdrop-filter: blur(8px);
}

.card.small {
  max-width: 420px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

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

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input, select, button, .btn {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: none;
  font-size: 15px;
}

input, select {
  background: #111a2d;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.12);
}

button, .btn {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  background: #2563eb;
  color: white;
  cursor: pointer;
  border: none;
}

.btn.primary {
  background: #16a34a;
}

.btn.danger {
  background: #dc2626;
}

.alert {
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 14px;
}

.alert.error {
  background: rgba(220, 38, 38, 0.15);
  border: 1px solid rgba(220, 38, 38, 0.4);
}

.alert.success {
  background: rgba(22, 163, 74, 0.15);
  border: 1px solid rgba(22, 163, 74, 0.4);
}

.list-item {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  margin-top: 12px;
}

a {
  color: #7dd3fc;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}