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

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
  background: #fff;
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  color: #6366f1;
  margin-bottom: 16px;
}

.login-header h1 {
  font-size: 20px;
  color: #1e293b;
  margin-bottom: 4px;
}

.login-header p {
  font-size: 14px;
  color: #64748b;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 15px;
  transition: border-color 0.2s;
  outline: none;
}

.input-group input:focus {
  border-color: #6366f1;
}

.login-btn {
  width: 100%;
  padding: 12px;
  background: #6366f1;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.login-btn:hover:not(:disabled) {
  background: #5558e3;
}

.login-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.login-error {
  color: #ef4444;
  font-size: 14px;
  text-align: center;
  min-height: 20px;
}