:root {
    --primary-color: #0d6efd;
    --primary-light: rgba(13, 110, 253, 0.1);
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.card {
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(13, 110, 253, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), #0b5ed7);
    border-bottom: none;
}

.card-body {
    background-color: #fff;
}

.form-control, .form-select {
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid #ced4da;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
}

.form-control.border-primary, .form-select.border-primary {
    border-color: rgba(13, 110, 253, 0.5);
}

.form-label {
    font-weight: 500;
    margin-bottom: 8px;
    color: #495057;
}

.form-label.fw-semibold {
    font-weight: 600;
}

.input-group-text {
    background-color: var(--primary-light);
    border-color: rgba(13, 110, 253, 0.5);
    color: var(--primary-color);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0b5ed7);
    border: none;
    padding: 14px 28px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0b5ed7, #0a58ca);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

.invalid-feedback {
    font-size: 0.85rem;
    color: var(--danger-color);
}

/* Seções do formulário */
h2.h5 {
    position: relative;
    padding-left: 15px;
    font-weight: 600;
}

/* Alert personalizado */
.alert {
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 0;
}

.alert-primary {
    background-color: var(--primary-color);
    color: white;
}

/* Checkbox e Radio buttons personalizados */
.form-check-input {
    width: 1.2em;
    height: 1.2em;
    margin-top: 0.15em;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input.border-primary {
    border-color: rgba(13, 110, 253, 0.5);
}

.form-switch .form-check-input {
    width: 2.5em;
    height: 1.4em;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark-color), #1a1e21);
    border-top: 4px solid var(--primary-color);
}

/* Responsividade */
@media (max-width: 768px) {
    .card {
        margin-top: 20px;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .btn {
        width: 100%;
    }
}

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

.card {
    animation: fadeIn 0.5s ease-out;
}

/* Ícones */
.bi {
    font-size: 1.1em;
}