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

.login-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    padding: 2rem 0;
}

.login-header h1 {
    color: #333;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

.form-floating {
    margin-bottom: 1rem;
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.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;
    border-radius: 10px;
    padding: 12px;
    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: transparent;
    border: 2px solid #e9ecef;
    border-right: none;
    min-width: 45px;
    justify-content: center;
}

.input-group .form-control {
    border-left: none;
    border: 2px solid #e9ecef;
}

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

.input-group:focus-within .input-group-text {
    border-color: #667eea;
}

.validation-summary-errors {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
    color: #721c24;
}

.field-validation-error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}