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

.login-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 40px;
    min-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    margin-bottom: 0;
}

.form-control {
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 16px;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.btn-login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 8px 0 0 8px;
}

.form-control {
    border-radius: 0 8px 8px 0;
}

.form-control:first-child {
    border-radius: 8px 0 0 8px;
}

.back-link {
    text-decoration: none;
    color: #667eea;
    font-size: 14px;
}

.back-link:hover {
    color: #764ba2;
}