/**
 * Back to Top - widget global
 * Buton fix care apare la scroll si duce lin inapoi sus.
 */

.ccr-back-to-top {
    position: fixed;
    right: clamp(16px, 3vw, 32px);
    bottom: clamp(16px, 3vw, 32px);
    z-index: 9990;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 52px;
    height: 52px;
    padding: 0;

    color: var(--color-primary-gray-50, #fcfcfd);
    background-color: var(--color-primary-800, #184763);

    border: 2px solid var(--color-primary-900, #001524);
    border-radius: 50%;

    box-shadow: var(--shadow-8, 0 8px 10px 1px rgba(13, 38, 54, 0.1));
    cursor: pointer;

    /* Ascuns implicit: nu ocupa focus si nu e vizibil pana la scroll */
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(0.9);
    pointer-events: none;

    transition: opacity 0.3s ease, transform 0.3s ease,
        visibility 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.ccr-back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.ccr-back-to-top:hover {
    background-color: var(--color-primary-900, #001524);
    border-color: var(--color-primary-900, #001524);
    transform: translateY(-2px) scale(1);
}

.ccr-back-to-top:focus-visible {
    background-color: var(--color-primary-600, #0e7abc);
    border-color: var(--color-primary-600, #0e7abc);
    outline: 4px solid var(--color-primary-300, #c5e2f5);
    outline-offset: 2px;
}

.ccr-back-to-top:active {
    transform: translateY(0) scale(0.94);
}

.ccr-back-to-top svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    pointer-events: none;
}

@media (max-width: 767px) {
    .ccr-back-to-top {
        width: 46px;
        height: 46px;
    }

    .ccr-back-to-top svg {
        width: 22px;
        height: 22px;
    }
}

/* Respecta preferinta utilizatorilor pentru miscare redusa */
@media (prefers-reduced-motion: reduce) {
    .ccr-back-to-top {
        transition: opacity 0.2s ease, visibility 0.2s ease;
        transform: none;
    }

    .ccr-back-to-top.is-visible,
    .ccr-back-to-top:hover,
    .ccr-back-to-top:active {
        transform: none;
    }
}