* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Vazirmatn', sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: #ffffff10;
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-title {
  text-align: center;
  margin-bottom: 24px;
  font-weight: 700;
}

.form-group { margin-bottom: 16px; }

label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
}

.btn {
  width: 100%;
  padding: 12px;
  background: #348aff;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover { background: #2277dd; }

.flash {
  margin-bottom: 16px;
  padding: 10px;
  border-radius: 6px;
  font-size: 14px;
}

.flash.error {
  background: rgba(255, 50, 50, 0.2);
  color: #ffdddd;
}

.flash.success {
  background: rgba(50, 255, 50, 0.2);
  color: #ddffdd;
}