/**
 * Red-C Message Bar — front end.
 * Colours come in as custom properties set inline by the renderer:
 *   --redc-mb-bg / --redc-mb-fg          bar
 *   --redc-mb-msg-bg / --redc-mb-msg-fg  individual message
 * Themes can tune --redc-mb-gutter, --redc-mb-font-size and --redc-mb-padding.
 */
.redc-mb {
    --redc-mb-gutter: 2rem;
    --redc-mb-padding: 0.6rem;
    --redc-mb-font-size: 0.95rem;
    position: relative;
    z-index: 1;
    box-sizing: border-box;
    width: 100%;
    margin: 0;
    background-color: var(--redc-mb-bg, #0b5cad);
    color: var(--redc-mb-fg, #fff);
    font-size: var(--redc-mb-font-size);
    line-height: 1.45;
    transition: background-color 0.6s ease, color 0.6s ease;
}

.redc-mb[hidden],
.redc-mb .redc-mb__msg[hidden],
.redc-mb .redc-mb__btn[hidden] {
    display: none !important;
}

.redc-mb *,
.redc-mb *::before,
.redc-mb *::after {
    box-sizing: border-box;
}

/* ---- Width ------------------------------------------------------------ */

.redc-mb__inner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    margin: 0 auto;
    padding: var(--redc-mb-padding) var(--redc-mb-gutter);
}

.redc-mb--width-wide .redc-mb__inner {
    max-width: calc(var(--wp--style--global--wide-size, 1200px) + 2 * var(--redc-mb-gutter));
}

.redc-mb--width-content .redc-mb__inner {
    max-width: calc(var(--wp--style--global--content-size, 992px) + 2 * var(--redc-mb-gutter));
}

/* ---- Pieces ----------------------------------------------------------- */

.redc-mb__label {
    flex: none;
    padding: 0.15em 0.6em;
    border: 1px solid currentColor;
    border-radius: 3px;
    font-size: 0.8em;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
}

.redc-mb__viewport {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
}

.redc-mb .redc-mb__list,
.redc-mb .redc-mb__msg {
    margin: 0;
    padding: 0;
    list-style: none;
    background: none;
}

.redc-mb .redc-mb__msg::before {
    content: none;
}

.redc-mb__text p {
    display: inline;
    margin: 0;
}

.redc-mb a {
    color: inherit;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.redc-mb a:hover {
    text-decoration-thickness: 2px;
}

.redc-mb a:focus-visible,
.redc-mb .redc-mb__btn:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.redc-mb__link {
    white-space: nowrap;
}

.redc-mb__icon {
    display: inline-block;
    width: 1.25em;
    height: 1.25em;
    margin-inline-end: 0.4em;
    vertical-align: -0.3em;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---- Fade mode -------------------------------------------------------- */

.redc-mb--fade .redc-mb__msg + .redc-mb__msg {
    margin-top: 0.35em; /* no-JS: messages simply stack */
}

.redc-mb--align-center.redc-mb--fade .redc-mb__msg {
    text-align: center;
}

.redc-mb--fade.is-ready .redc-mb__list {
    display: grid; /* every message shares one cell: height = tallest, no jump */
}

.redc-mb--fade.is-ready .redc-mb__msg {
    grid-area: 1 / 1;
    margin: 0;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.redc-mb--fade.is-ready .redc-mb__msg:not(.is-active) {
    opacity: 0;
    visibility: hidden;
}

/* ---- Ticker mode ------------------------------------------------------ */

.redc-mb--ticker .redc-mb__list {
    display: flex;
    flex-wrap: wrap; /* no-JS fallback: show every message */
    gap: 0.35em 0;
    align-items: center;
}

.redc-mb--ticker.is-ready .redc-mb__viewport {
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 1.5rem, #000 calc(100% - 1.5rem), transparent);
    mask-image: linear-gradient(90deg, transparent, #000 1.5rem, #000 calc(100% - 1.5rem), transparent);
}

.redc-mb--ticker.is-ready .redc-mb__track {
    display: flex;
    width: max-content;
}

.redc-mb--ticker.is-ready .redc-mb__list {
    flex: none;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.redc-mb--ticker .redc-mb__msg {
    position: relative;
    flex: none;
    margin-inline-end: 3rem;
}

.redc-mb--ticker .redc-mb__msg::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -1.65rem;
    width: 0.35rem;
    height: 0.35rem;
    margin-top: -0.175rem;
    border-radius: 50%;
    background: var(--redc-mb-fg, currentColor);
    opacity: 0.6;
}

.redc-mb--ticker .redc-mb__msg--own {
    padding: 0.1em 0.6em;
    border-radius: 3px;
    background: var(--redc-mb-msg-bg);
    color: var(--redc-mb-msg-fg);
}

.redc-mb--ticker.is-running .redc-mb__track {
    animation: redc-mb-scroll var(--redc-mb-duration, 30s) linear infinite;
    will-change: transform;
}

.redc-mb.is-paused .redc-mb__track,
.redc-mb.is-hovered .redc-mb__track {
    animation-play-state: paused;
}

@keyframes redc-mb-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ---- Controls --------------------------------------------------------- */

.redc-mb__controls {
    display: flex;
    flex: none;
    gap: 0.15rem;
    align-items: center;
}

.redc-mb .redc-mb__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    min-width: 0;
    height: 2rem;
    min-height: 0;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    box-shadow: none;
    color: inherit;
    font: inherit;
    line-height: 1;
    text-transform: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

.redc-mb .redc-mb__btn:hover {
    background: rgba(127, 127, 127, 0.25);
}

.redc-mb__btn svg {
    display: block;
    width: 1.1rem;
    height: 1.1rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.redc-mb__btn .redc-mb__fill {
    fill: currentColor;
    stroke: none;
}

.redc-mb__i-play,
.redc-mb.is-paused .redc-mb__i-pause {
    display: none !important;
}

.redc-mb.is-paused .redc-mb__i-play {
    display: block !important;
}

/* ---- Small screens / motion ------------------------------------------- */

@media (max-width: 600px) {
    .redc-mb {
        --redc-mb-gutter: 1rem;
        --redc-mb-padding: 0.5rem;
        --redc-mb-font-size: 0.9rem;
    }

    /* Label + controls share a top row; the message gets the full width. */
    .redc-mb__inner {
        flex-wrap: wrap;
        gap: 0.35rem 0.5rem;
    }

    .redc-mb__controls {
        margin-inline-start: auto;
    }

    .redc-mb__viewport {
        flex-basis: 100%;
        order: 3;
    }

    .redc-mb .redc-mb__btn {
        width: 1.75rem;
        height: 1.75rem;
    }

    .redc-mb--align-center.redc-mb--fade .redc-mb__msg {
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    .redc-mb,
    .redc-mb--fade.is-ready .redc-mb__msg {
        transition: none;
    }
}

/* Editor / block preview inside page content */
.redc-mb--block {
    margin-block: 0;
}

/* Don't reserve space for a controls group whose buttons are all hidden. */
.redc-mb__controls:not(:has(.redc-mb__btn:not([hidden]))) {
    display: none;
}