:root {
    --alzabox-ui-size: 46px;
}

body.alzabox-open {
    overflow: hidden !important;
    overscroll-behavior: none;
}

.alzabox-clickable {
    cursor: zoom-in !important;
}

.alzabox-clickable:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 4px;
}

.alzabox-overlay,
.alzabox-overlay * {
    box-sizing: border-box;
}

.alzabox-overlay {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    color: var(--alzabox-accent, #fff);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: transparent;
    opacity: 0;
    visibility: hidden;
    transition: opacity .18s ease, visibility .18s ease;
    isolation: isolate;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
}

.alzabox-overlay::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background: var(--alzabox-background, #050505);
    opacity: var(--alzabox-opacity, .94);
    pointer-events: none;
}

.alzabox-overlay::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(circle at 50% 45%, rgba(255,255,255,.055), transparent 42%);
    pointer-events: none;
}

.alzabox-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.alzabox-topbar,
.alzabox-footer {
    position: relative;
    z-index: 5;
    width: 100%;
    padding-left: max(18px, env(safe-area-inset-left));
    padding-right: max(18px, env(safe-area-inset-right));
}

.alzabox-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding-top: max(16px, env(safe-area-inset-top));
    padding-bottom: 12px;
}

.alzabox-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.alzabox-tool,
.alzabox-nav,
.alzabox-thumbnail {
    appearance: none;
    border: 0;
    color: inherit;
    cursor: pointer;
    font: inherit;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

.alzabox-tool {
    width: var(--alzabox-ui-size);
    height: var(--alzabox-ui-size);
    border-radius: 999px;
    display: inline-grid;
    place-items: center;
    background: rgba(20, 20, 20, .58);
    border: 1px solid rgba(255,255,255,.13);
    box-shadow: 0 8px 30px rgba(0,0,0,.16);
    backdrop-filter: blur(14px) saturate(130%);
    -webkit-backdrop-filter: blur(14px) saturate(130%);
    transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.alzabox-tool:hover,
.alzabox-tool:focus-visible,
.alzabox-nav:hover:not(:disabled),
.alzabox-nav:focus-visible,
.alzabox-thumbnail:focus-visible {
    background: rgba(255,255,255,.15);
    border-color: rgba(255,255,255,.34);
    outline: none;
}

.alzabox-tool:active,
.alzabox-nav:active:not(:disabled) {
    transform: scale(.94);
}

.alzabox-tool svg,
.alzabox-nav svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}

.alzabox-tool svg .alzabox-icon-fill {
    fill: currentColor;
    stroke: none;
}

.alzabox-timer {
    position: relative;
    width: var(--alzabox-ui-size);
    height: var(--alzabox-ui-size);
    flex: 0 0 auto;
}

.alzabox-timer .alzabox-play {
    position: absolute;
    inset: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.alzabox-timer.without-ring .alzabox-play {
    background: rgba(20, 20, 20, .58);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.alzabox-timer.without-ring .alzabox-timer-ring {
    display: none;
}

.alzabox-timer-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
    pointer-events: none;
}

.alzabox-timer-ring circle {
    fill: rgba(20,20,20,.5);
    stroke-width: 2.5;
}

.alzabox-timer-background {
    stroke: rgba(255,255,255,.16);
}

.alzabox-timer-progress {
    stroke: currentColor;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset .04s linear;
}

.alzabox-counter {
    min-width: 64px;
    height: 34px;
    padding: 0 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: inherit;
    background: rgba(20,20,20,.52);
    border: 1px solid rgba(255,255,255,.12);
    font-size: 13px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: .04em;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.alzabox-stage {
    position: relative;
    min-width: 0;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(56px, 8vw) minmax(0, 1fr) minmax(56px, 8vw);
    align-items: center;
    justify-items: center;
    touch-action: pan-y;
}

.alzabox-media-shell {
    position: relative;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    display: grid;
    place-items: center;
    overflow: hidden;
    overscroll-behavior: contain;
    scrollbar-width: thin;
}

.alzabox-media-canvas {
    position: relative;
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
}

.alzabox-image {
    --alzabox-scale: 1;
    position: absolute;
    inset: 0;
    margin: auto;
    display: block;
    max-width: min(100%, 1600px);
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    user-select: none;
    transform: scale(var(--alzabox-scale));
    transform-origin: center center;
    opacity: 1;
    filter: none;
    box-shadow: 0 26px 90px rgba(0,0,0,.38);
    transition: opacity .25s ease, transform .28s cubic-bezier(.2,.8,.2,1), filter .25s ease;
}

.alzabox-media-shell.is-zoomed {
    display: block;
    overflow: auto;
    touch-action: pan-x pan-y;
    -webkit-overflow-scrolling: touch;
}

.alzabox-media-shell.is-zoomed .alzabox-image {
    cursor: zoom-out;
    max-width: none;
    max-height: none;
}

.alzabox-overlay.has-zoom .alzabox-stage {
    touch-action: pan-x pan-y;
}

.alzabox-animation-fade.is-switching .alzabox-image {
    opacity: 0;
}

.alzabox-animation-zoom.is-switching .alzabox-image {
    opacity: 0;
    transform: scale(calc(var(--alzabox-scale) * .94));
}

.alzabox-animation-none .alzabox-image {
    transition: none;
}

.alzabox-loader,
.alzabox-error {
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.alzabox-loader {
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease;
}

.alzabox-loader span {
    width: 40px;
    height: 40px;
    display: block;
    border: 3px solid rgba(255,255,255,.16);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: alzabox-spin .8s linear infinite;
}

.alzabox-overlay.is-loading .alzabox-loader {
    opacity: 1;
}

.alzabox-error {
    width: min(360px, calc(100vw - 50px));
    display: none;
    padding: 18px 20px;
    border-radius: 14px;
    text-align: center;
    background: rgba(20,20,20,.78);
    border: 1px solid rgba(255,255,255,.14);
}

.alzabox-overlay.has-error .alzabox-error {
    display: block;
}

.alzabox-overlay.has-error .alzabox-image {
    opacity: 0;
}

@keyframes alzabox-spin {
    to { transform: rotate(360deg); }
}

.alzabox-nav {
    position: relative;
    z-index: 4;
    width: 52px;
    height: 74px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: rgba(20,20,20,.45);
    border: 1px solid rgba(255,255,255,.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: opacity .18s ease, transform .18s ease, background .18s ease, border-color .18s ease;
}

.alzabox-nav:disabled {
    opacity: .2;
    cursor: not-allowed;
}

.alzabox-previous { justify-self: center; }
.alzabox-next { justify-self: center; }

.alzabox-footer {
    display: grid;
    justify-items: center;
    gap: 10px;
    padding-top: 10px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
}

.alzabox-caption {
    max-width: min(860px, calc(100vw - 48px));
    min-height: 21px;
    color: rgba(255,255,255,.88);
    font-size: 14px;
    line-height: 1.5;
    text-align: center;
    text-wrap: balance;
    text-shadow: 0 2px 10px rgba(0,0,0,.45);
}

.alzabox-thumbnails {
    width: min(920px, calc(100vw - 30px));
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 4px 2px;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
}

.alzabox-thumbnail {
    flex: 0 0 62px;
    width: 62px;
    height: 46px;
    padding: 2px;
    border-radius: 9px;
    border: 2px solid transparent;
    background: rgba(255,255,255,.08);
    opacity: .58;
    overflow: hidden;
    scroll-snap-align: center;
    transition: opacity .18s ease, border-color .18s ease, transform .18s ease;
}

.alzabox-thumbnail:hover,
.alzabox-thumbnail.is-active {
    opacity: 1;
}

.alzabox-thumbnail.is-active {
    border-color: currentColor;
    transform: translateY(-2px);
}

.alzabox-thumbnail img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: 5px;
}

.alzabox-overlay:fullscreen {
    width: 100vw;
    height: 100vh;
}

@media (max-width: 700px) {
    :root { --alzabox-ui-size: 42px; }

    .alzabox-topbar {
        gap: 8px;
        padding-left: max(10px, env(safe-area-inset-left));
        padding-right: max(10px, env(safe-area-inset-right));
        padding-top: max(10px, env(safe-area-inset-top));
    }

    .alzabox-tools { gap: 5px; }
    .alzabox-counter { min-width: 54px; height: 31px; padding: 0 10px; font-size: 12px; }

    .alzabox-stage {
        grid-template-columns: 44px minmax(0, 1fr) 44px;
    }

    .alzabox-nav {
        width: 38px;
        height: 56px;
        border-radius: 13px;
    }

    .alzabox-nav svg { width: 19px; height: 19px; }
    .alzabox-image { max-width: 100%; max-height: 100%; }
    .alzabox-footer { padding-left: 10px; padding-right: 10px; }
    .alzabox-caption { max-width: calc(100vw - 28px); font-size: 13px; }
    .alzabox-thumbnail { flex-basis: 54px; width: 54px; height: 41px; }
}

@media (max-width: 470px) {
    :root { --alzabox-ui-size: 38px; }

    .alzabox-tools-right .alzabox-fullscreen {
        display: none;
    }

    .alzabox-topbar {
        gap: 6px;
    }

    .alzabox-tools {
        gap: 4px;
    }

    .alzabox-stage {
        grid-template-columns: 40px minmax(0, 1fr) 40px;
    }

    .alzabox-nav {
        width: 34px;
        height: 50px;
        background: rgba(20,20,20,.36);
    }
}

@media (prefers-reduced-motion: reduce) {
    .alzabox-overlay,
    .alzabox-image,
    .alzabox-tool,
    .alzabox-nav,
    .alzabox-thumbnail,
    .alzabox-loader {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}