/* Theme switch — adapted from Uiverse.io by Galahhad.
   Scaled for Antologa navbar (~56×25px); day/night tinted to brand navy + gold. */

.theme-switch {
    --toggle-size: 10px;
    --container-width: 5.625em;
    --container-height: 2.5em;
    --container-radius: 6.25em;
    --container-light-bg: #3a7abf; /* --antologa-blue-400 sky */
    --container-night-bg: var(--dm-bg, #0e1316);
    --circle-container-diameter: 3.375em;
    --sun-moon-diameter: 2.125em;
    --sun-bg: var(--antologa-contrast, #e1a951);
    --moon-bg: #c4c9d1;
    --spot-color: #959db1;
    --circle-container-offset: calc((var(--circle-container-diameter) - var(--container-height)) / 2 * -1);
    --stars-color: #fff;
    --clouds-color: #f3fdff;
    --back-clouds-color: #aacadf;
    --transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
    --circle-transition: 0.3s cubic-bezier(0, -0.02, 0.35, 1.17);

    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    cursor: pointer;
    line-height: 0;
    margin: 0 0.35rem;
}

.theme-switch,
.theme-switch *,
.theme-switch *::before,
.theme-switch *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-size: var(--toggle-size);
}

.theme-switch__container {
    width: var(--container-width);
    height: var(--container-height);
    background-color: var(--container-light-bg);
    border-radius: var(--container-radius);
    overflow: hidden;
    cursor: pointer;
    box-shadow:
        0em -0.062em 0.062em rgba(0, 0, 0, 0.25),
        0em 0.062em 0.125em rgba(255, 255, 255, 0.35);
    transition: var(--transition);
    position: relative;
}

.theme-switch__container::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    box-shadow:
        0em 0.05em 0.187em rgba(0, 0, 0, 0.25) inset,
        0em 0.05em 0.187em rgba(0, 0, 0, 0.25) inset;
    border-radius: var(--container-radius);
    pointer-events: none;
}

.theme-switch__checkbox {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.theme-switch__circle-container {
    width: var(--circle-container-diameter);
    height: var(--circle-container-diameter);
    background-color: rgba(255, 255, 255, 0.1);
    position: absolute;
    left: var(--circle-container-offset);
    top: var(--circle-container-offset);
    border-radius: var(--container-radius);
    box-shadow:
        inset 0 0 0 3.375em rgba(255, 255, 255, 0.1),
        inset 0 0 0 3.375em rgba(255, 255, 255, 0.1),
        0 0 0 0.625em rgba(255, 255, 255, 0.1),
        0 0 0 1.25em rgba(255, 255, 255, 0.1);
    display: flex;
    transition: var(--circle-transition);
    pointer-events: none;
}

.theme-switch__sun-moon-container {
    pointer-events: none;
    position: relative;
    z-index: 2;
    width: var(--sun-moon-diameter);
    height: var(--sun-moon-diameter);
    margin: auto;
    border-radius: var(--container-radius);
    background-color: var(--sun-bg);
    box-shadow:
        0.062em 0.062em 0.062em 0em rgba(254, 255, 239, 0.61) inset,
        0em -0.062em 0.062em 0em color-mix(in srgb, var(--sun-bg) 55%, #000) inset;
    filter:
        drop-shadow(0.062em 0.125em 0.125em rgba(0, 0, 0, 0.25))
        drop-shadow(0em 0.062em 0.125em rgba(0, 0, 0, 0.25));
    overflow: hidden;
    transition: var(--transition);
}

.theme-switch__moon {
    transform: translateX(100%);
    width: 100%;
    height: 100%;
    background-color: var(--moon-bg);
    border-radius: inherit;
    box-shadow:
        0.062em 0.062em 0.062em 0em rgba(254, 255, 239, 0.61) inset,
        0em -0.062em 0.062em 0em #969696 inset;
    transition: var(--transition);
    position: relative;
}

.theme-switch__spot {
    position: absolute;
    top: 0.75em;
    left: 0.312em;
    width: 0.75em;
    height: 0.75em;
    border-radius: var(--container-radius);
    background-color: var(--spot-color);
    box-shadow: 0em 0.0312em 0.062em rgba(0, 0, 0, 0.25) inset;
}

.theme-switch__spot:nth-of-type(2) {
    width: 0.375em;
    height: 0.375em;
    top: 0.937em;
    left: 1.375em;
}

.theme-switch__spot:nth-of-type(3) {
    width: 0.25em;
    height: 0.25em;
    top: 0.312em;
    left: 0.812em;
}

.theme-switch__clouds {
    width: 1.25em;
    height: 1.25em;
    background-color: var(--clouds-color);
    border-radius: var(--container-radius);
    position: absolute;
    bottom: -0.625em;
    left: 0.312em;
    box-shadow:
        0.937em 0.312em var(--clouds-color),
        -0.312em -0.312em var(--back-clouds-color),
        1.437em 0.375em var(--clouds-color),
        0.5em -0.125em var(--back-clouds-color),
        2.187em 0 var(--clouds-color),
        1.25em -0.062em var(--back-clouds-color),
        2.937em 0.312em var(--clouds-color),
        2em -0.312em var(--back-clouds-color),
        3.625em -0.062em var(--clouds-color),
        2.625em 0em var(--back-clouds-color),
        4.5em -0.312em var(--clouds-color),
        3.375em -0.437em var(--back-clouds-color),
        4.625em -1.75em 0 0.437em var(--clouds-color),
        4em -0.625em var(--back-clouds-color),
        4.125em -2.125em 0 0.437em var(--back-clouds-color);
    transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
}

.theme-switch__stars-container {
    position: absolute;
    color: var(--stars-color);
    top: -100%;
    left: 0.312em;
    width: 2.75em;
    height: auto;
    transition: var(--transition);
}

.theme-switch__checkbox:checked + .theme-switch__container {
    background-color: var(--container-night-bg);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__circle-container {
    left: calc(100% - var(--circle-container-offset) - var(--circle-container-diameter));
}

.theme-switch__checkbox:focus-visible + .theme-switch__container {
    outline: 2px solid var(--antologa-primary, #078282);
    outline-offset: 2px;
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__moon {
    transform: translate(0);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__clouds {
    bottom: -4.062em;
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__stars-container {
    top: 50%;
    transform: translateY(-50%);
}

/* Hover nudge — desktop only; keep subtle at this scale */
@media (hover: hover) {
    .theme-switch__checkbox:checked + .theme-switch__container .theme-switch__circle-container:hover,
    .theme-switch:hover .theme-switch__checkbox:checked + .theme-switch__container .theme-switch__circle-container {
        left: calc(100% - var(--circle-container-offset) - var(--circle-container-diameter) - 0.12em);
    }

    .theme-switch:hover .theme-switch__checkbox:not(:checked) + .theme-switch__container .theme-switch__circle-container {
        left: calc(var(--circle-container-offset) + 0.12em);
    }
}

/* Mobile auth row — slightly tighter */
.nb-mobile-auth .theme-switch {
    margin: 0 0.15rem;
    --toggle-size: 9px;
}

@media (prefers-reduced-motion: reduce) {
    .theme-switch__container,
    .theme-switch__circle-container,
    .theme-switch__sun-moon-container,
    .theme-switch__moon,
    .theme-switch__clouds,
    .theme-switch__stars-container {
        transition: none !important;
    }
}