body {
    background: linear-gradient(135deg, #fff 0%, #fff 100%); /* Gradiente baseado na cor principal */
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Arial', sans-serif;
    color: #050505;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
    border: 2px solid #f96b0e; /* Borda com cor principal */
}

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

.login-header {
    background: #f96b0e; /* Cor principal sólida */
    color: #fff;
    padding: 30px;
    text-align: center;
}

.login-header i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.95;
}

.login-header h4 {
    margin: 0;
    font-weight: 500;
    color: #fff;
}

.login-form {
    padding: 30px;
    background: #e8e4e1; /* Fundo secundário claro */
}

.input-group-text {
    background: #e8e4e1;
    border-right: none;
    color: #050505;
}

.form-control {
    border-left: none;
    border-radius: 0 8px 8px 0 !important;
    border-color: #f96b0e;
}

.form-control:focus {
    border-color: #f96b0e;
    box-shadow: 0 0 0 0.2rem rgba(249, 107, 14, 0.25);
}

.btn-primary {
    background: #f96b0e;
    border: none;
    padding: 12px;
    font-weight: 600;
    color: #fff;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #e67e22; /* Tom um pouco mais escuro para hover */
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(249, 107, 14, 0.4);
}

.btn-outline-secondary {
    border-color: #f96b0e;
    color: #f96b0e;
    border-left: none;
    border-radius: 0 8px 8px 0 !important;
}

.btn-outline-secondary:hover {
    background: #f96b0e;
    color: #fff;
}

.form-check-input:checked {
    background-color: #f96b0e;
    border-color: #f96b0e;
}

.text-decoration-none {
    color: #f96b0e;
    transition: color 0.3s ease;
}

.text-decoration-none:hover {
    color: #e67e22;
}

.modal-header {
    background: #f96b0e;
    color: #fff;
    border-radius: 0;
}

/* Animação de loading no botão */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsividade */
@media (max-width: 576px) {
    .login-header {
        padding: 20px;
    }
    
    .login-header i {
        font-size: 2.5rem;
    }
    
    .login-form {
        padding: 20px;
    }
}