/**
 * mod_pixcwh_themeswitch — switch sole/luna.
 * Autosufficiente (non dipende da frontend.css): deve apparire corretto su
 * qualsiasi pagina del sito. Stato scuro = classe .is-dark sul bottone.
 */

.cwh-themeswitch {
    --cwh-sw-w: 58px;
    --cwh-sw-h: 30px;
    --cwh-sw-pad: 3px;
    --cwh-sw-knob: calc(var(--cwh-sw-h) - (var(--cwh-sw-pad) * 2));

    display: inline-flex;
    align-items: center;
    padding: 0;
    border: 0;
    background: none;
    cursor: pointer;
    line-height: 0;
    -webkit-tap-highlight-color: transparent;
}

.cwh-themeswitch__track {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: var(--cwh-sw-w);
    height: var(--cwh-sw-h);
    padding: 0 7px;
    border-radius: 999px;
    background: linear-gradient(135deg, #cfe0f5 0%, #aecbf0 100%);
    border: 1px solid rgba(28, 43, 70, .15);
    transition: background .25s ease, border-color .25s ease;
    box-sizing: border-box;
}

.cwh-themeswitch__icon {
    position: relative;
    z-index: 2;
    display: inline-flex;
    transition: color .25s ease, opacity .25s ease;
}

.cwh-themeswitch__icon--sun {
    color: #f5a623;
    opacity: 1;
}

.cwh-themeswitch__icon--moon {
    color: #5b6472;
    opacity: .5;
}

.cwh-themeswitch__knob {
    position: absolute;
    top: var(--cwh-sw-pad);
    left: var(--cwh-sw-pad);
    z-index: 1;
    width: var(--cwh-sw-knob);
    height: var(--cwh-sw-knob);
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
    transition: transform .25s cubic-bezier(.4, .1, .2, 1), background .25s ease;
}

/* --- Stato scuro --- */
.cwh-themeswitch.is-dark .cwh-themeswitch__track {
    background: linear-gradient(135deg, #2a3550 0%, #1a2236 100%);
    border-color: rgba(255, 255, 255, .18);
}

.cwh-themeswitch.is-dark .cwh-themeswitch__knob {
    transform: translateX(calc(var(--cwh-sw-w) - var(--cwh-sw-knob) - (var(--cwh-sw-pad) * 2)));
    background: #f2f4f8;
}

.cwh-themeswitch.is-dark .cwh-themeswitch__icon--sun {
    color: #8b93a4;
    opacity: .5;
}

.cwh-themeswitch.is-dark .cwh-themeswitch__icon--moon {
    color: #ffd97a;
    opacity: 1;
}

.cwh-themeswitch:focus-visible {
    outline: none;
}

.cwh-themeswitch:focus-visible .cwh-themeswitch__track {
    box-shadow: 0 0 0 3px rgba(36, 83, 155, .4);
}