body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
}

.login-box {
  width: 100%;
  max-width: 380px;
  background: #ffffff;
  padding: 32px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.login-box h1 {
  margin: 0 0 8px;
  text-align: center;
  font-size: 30px;
}

.login-box h2 {
  margin: 0 0 24px;
  text-align: center;
  font-size: 20px;
  font-weight: normal;
  color: #555;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: #333;
}

.form-group input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px;
  border: 1px solid #ccd3da;
  border-radius: 8px;
  font-size: 16px;
}

button {
  width: 100%;
  padding: 12px;
  border: 0;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  background: #1f5fae;
  color: white;
}

.panel-shell {
  width: 100%;
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}

.panel-header h1 {
  margin: 0;
  font-size: 32px;
}

.panel-header p {
  margin: 6px 0 0;
  color: #667085;
}

.panel-header form {
  margin: 0;
}

.logout-button {
  width: auto;
  padding: 10px 18px;
}

.panel-content {
  width: 100%;
}

.welcome-card {
  background: #ffffff;
  padding: 24px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  margin-bottom: 24px;
}

.welcome-card h2 {
  margin: 0 0 8px;
}

.welcome-card p {
  margin: 0;
  color: #667085;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;