:root {
    /* Colores */
    --color-primary: #9E2A67;
    --login-bg: #A54C78;
    --btn-bg: #9E2A67;
    --btn-hover-bg: #fff;
    --txt-color-light: #fff;
    --txt-color-dark: #000;
    --txt-color-brand: #9E2A67;
    --bg-color-light: #fff;
    --bg-color-dark: #000;
    --link-color: #0066cc;
    --brand-header-bg: var(--color-primary);
    --card-header-bg: #cf95b4;
    --avatar-size: 100px;
    --bg-aquamarine: #7fc7c7;
    --bg-labels: #6fa8dc;
    --bg-check: #0D6F01;
    --focus-ring: 0 0 0 0.25rem rgba(207, 149, 180, 0.25);
    --brand-primary-rgba-opacity: rgba(158, 42, 103, 0.35);
    /*--color-secondary: #95D5B2;
    --color-accent: #40916C;
    --color-danger: #D00000;
    --color-background: #F0F0F0;
    --color-text: #212529;*/
    /* Tipografía */
    /*--font-main: 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-size-title: 20px;*/
    /* Espaciado */
    /*--spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;*/
}

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

    .form-check-input:not(:disabled) {
        cursor: pointer;
    }

    .form-check-input:hover:not(:disabled):not(:checked) {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 0.1rem var(--brand-primary-rgba-opacity);
    }

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

    .form-check-input:focus {
        border-color: var(--color-primary);
        box-shadow: var(--focus-ring);
    }

    .form-check-input:disabled,
    .form-check-input[disabled] {
        opacity: .5;
    }

.btn-volver {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 0.4rem 1.1rem;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

    .btn-volver:hover,
    .btn-volver:focus {
        background-color: #872257;
        color: #fff;
    }

    .btn-volver:active {
        transform: translateY(1px);
    }