/**
 * File: player/ppt-player.css
 * Description: Responsive player chrome, controls, navigation, and lightbox styles.
 * Author: OUGE
 */

:root {
    --ppt-stage-width: 1280px;
    --ppt-stage-height: 720px;
    --ppt-transition-speed: 450ms;
    --ppt-primary: var(--theme-primary, #8c1515);
    --ppt-primary-rgb: var(--theme-primary-rgb, 140, 21, 21);
    --ppt-accent: var(--theme-accent, #c9a227);
    --ppt-shell-bg: var(--theme-player-bg, #050608);
    --ppt-control-bg: var(--theme-player-control, rgba(30, 35, 45, 0.55));
    --ppt-control-hover: var(--theme-player-control-hover, rgba(30, 35, 45, 0.92));
    --ppt-control-text: var(--theme-player-text, #ffffff);
    --ppt-control-border: var(--theme-player-border, rgba(255, 255, 255, 0.18));
    --ppt-ui-font: Inter, "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --ppt-mono-font: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

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

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: var(--ppt-shell-bg);
    color: var(--ppt-control-text);
    font-family: var(--ppt-ui-font);
}

button,
select {
    font: inherit;
}

.ppt-player {
    position: fixed;
    inset: 0;
    isolation: isolate;
    overflow: hidden;
    background: var(--ppt-shell-bg);
    touch-action: manipulation;
}

.ppt-stage {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--ppt-stage-width);
    height: var(--ppt-stage-height);
    transform-origin: 0 0;
}

.ppt-stage iframe {
    position: absolute;
    inset: 0;
    width: var(--ppt-stage-width);
    height: var(--ppt-stage-height);
    border: 0;
    opacity: 0;
    z-index: 1;
    background: #ffffff;
    pointer-events: auto;
    transition: opacity var(--ppt-transition-speed) ease-in-out;
}

.ppt-stage iframe.is-active {
    opacity: 1;
}

.ppt-input-capture {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.ppt-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    z-index: 1000;
    background: linear-gradient(90deg, var(--ppt-primary), var(--ppt-accent));
    box-shadow: 0 2px 7px rgba(0, 0, 0, 0.28);
    transition: width 400ms ease;
}

.ppt-loading {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 500;
    padding: 8px 13px;
    border-radius: 8px;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.35);
    color: var(--ppt-control-text);
    font-size: 0.95rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
}

.ppt-loading.is-visible {
    opacity: 0.82;
}

.ppt-control {
    position: fixed;
    z-index: 1000;
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--ppt-control-border);
    border-radius: 50%;
    background: var(--ppt-control-bg);
    color: var(--ppt-control-text);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
    cursor: pointer;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: opacity 180ms ease, transform 180ms cubic-bezier(0.2, 0, 0, 1), background 180ms ease;
}

.ppt-control:hover {
    background: var(--ppt-control-hover);
}

.ppt-control:focus-visible,
.ppt-theme-control:focus-within,
.ppt-page-dot:focus-visible,
.ppt-lightbox-close:focus-visible {
    outline: 2px solid var(--ppt-accent);
    outline-offset: 3px;
}

.ppt-control:disabled {
    opacity: 0.08;
    cursor: default;
}

.ppt-nav {
    top: 50%;
    opacity: 0.18;
    transform: translateY(-50%);
}

.ppt-nav:not(:disabled):hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.08);
}

.ppt-nav-prev {
    left: max(22px, env(safe-area-inset-left));
}

.ppt-nav-next {
    right: max(22px, env(safe-area-inset-right));
}

.ppt-fullscreen {
    right: max(22px, env(safe-area-inset-right));
    bottom: max(22px, env(safe-area-inset-bottom));
}

.ppt-fullscreen:hover {
    transform: scale(1.06);
}

.ppt-player.is-fullscreen-presentation .ppt-fullscreen,
.ppt-player.is-fullscreen-presentation .ppt-theme-control {
    display: none !important;
}

.ppt-page-info {
    position: fixed;
    left: 50%;
    bottom: max(16px, env(safe-area-inset-bottom));
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transform: translateX(-50%);
}

.ppt-page-expanded {
    display: flex;
    max-width: calc(100vw - 160px);
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 300ms ease, transform 300ms ease;
}

.ppt-page-info.is-collapsed .ppt-page-expanded {
    opacity: 0;
    transform: translateY(14px);
    pointer-events: none;
}

.ppt-page-mini {
    position: absolute;
    bottom: 0;
    left: 50%;
    padding: 5px 14px;
    border: 1px solid transparent;
    border-radius: 999px;
    transform: translateX(-50%);
    background: var(--ppt-control-bg);
    color: color-mix(in srgb, var(--ppt-control-text) 62%, transparent);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.24);
    font-family: var(--ppt-mono-font);
    font-size: 0.76rem;
    line-height: 1.2;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: opacity 300ms ease 100ms;
}

.ppt-page-info.is-collapsed .ppt-page-mini {
    opacity: 1;
}

.ppt-page-title {
    max-width: min(80vw, 780px);
    overflow: hidden;
    padding: 5px 14px;
    border-radius: 999px;
    background: var(--ppt-control-bg);
    color: color-mix(in srgb, var(--ppt-control-text) 92%, transparent);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
    font-size: 0.78rem;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
    pointer-events: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.ppt-page-title.is-preview {
    color: var(--ppt-accent);
}

.ppt-page-nav {
    display: flex;
    max-width: min(1040px, calc(100vw - 160px));
    gap: 4px;
    padding: 6px 8px;
    overflow-x: auto;
    border: 1px solid var(--ppt-control-border);
    border-radius: 999px;
    background: var(--ppt-control-bg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.26);
    scrollbar-width: none;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.ppt-page-nav::-webkit-scrollbar {
    display: none;
}

.ppt-page-dot {
    display: flex;
    width: 27px;
    height: 27px;
    flex: 0 0 27px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--ppt-control-border);
    border-radius: 50%;
    background: transparent;
    color: color-mix(in srgb, var(--ppt-control-text) 66%, transparent);
    font-family: var(--ppt-mono-font);
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    transition: color 160ms ease, border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.ppt-page-dot:hover {
    border-color: color-mix(in srgb, var(--ppt-control-text) 48%, transparent);
    background: color-mix(in srgb, var(--ppt-control-text) 17%, transparent);
    color: var(--ppt-control-text);
    transform: scale(1.1);
}

.ppt-page-dot.is-active {
    border-color: var(--ppt-accent);
    background: var(--ppt-primary);
    color: #ffffff;
    box-shadow: 0 0 12px rgba(var(--ppt-primary-rgb), 0.72);
}

.ppt-theme-control {
    position: fixed;
    left: max(18px, env(safe-area-inset-left));
    bottom: max(18px, env(safe-area-inset-bottom));
    z-index: 1000;
    display: flex;
    width: 44px;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--ppt-control-border);
    border-radius: 999px;
    background: var(--ppt-control-bg);
    color: var(--ppt-control-text);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: width 200ms ease, padding 200ms ease, gap 200ms ease, background 180ms ease;
}

.ppt-theme-control:hover,
.ppt-theme-control:focus-within {
    width: 224px;
    justify-content: flex-start;
    gap: 8px;
    padding: 0 11px;
    background: var(--ppt-control-hover);
}

.ppt-theme-control > svg {
    flex: 0 0 18px;
}

.ppt-theme-label {
    width: 0;
    overflow: hidden;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    opacity: 0;
    white-space: nowrap;
    transition: width 180ms ease, opacity 140ms ease;
}

.ppt-theme-control select {
    width: 0;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: inherit;
    font-size: 0.75rem;
    font-weight: 650;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: width 180ms ease, opacity 140ms ease;
}

.ppt-theme-control:hover .ppt-theme-label,
.ppt-theme-control:focus-within .ppt-theme-label {
    width: 43px;
    opacity: 1;
}

.ppt-theme-control:hover select,
.ppt-theme-control:focus-within select {
    width: 122px;
    opacity: 1;
    pointer-events: auto;
}

.ppt-theme-control option {
    background: #171a20;
    color: #ffffff;
}

.ppt-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.ppt-lightbox.is-visible {
    display: flex;
}

.ppt-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.ppt-lightbox-content {
    position: relative;
    z-index: 1;
    display: flex;
    width: 92vw;
    height: 92vh;
    align-items: center;
    justify-content: center;
    animation: ppt-lightbox-in 220ms ease-out;
}

@keyframes ppt-lightbox-in {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.ppt-lightbox-content img,
.ppt-lightbox-content video {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    border-radius: 5px;
    background: #000000;
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.62);
    object-fit: contain;
}

.ppt-lightbox-content img[src*=".svg"] {
    padding: 20px;
    border-radius: 8px;
    background: var(--theme-slide-bg, #ffffff);
}

.ppt-lightbox-content model-viewer {
    width: 92vw;
    height: 88vh;
    border-radius: 8px;
    background: linear-gradient(135deg, #1f2733 0%, #2a1a1a 60%, #4a0d0d 100%);
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.62);
    --poster-color: transparent;
}

.ppt-lightbox-close {
    position: absolute;
    top: max(20px, env(safe-area-inset-top));
    right: max(22px, env(safe-area-inset-right));
    z-index: 10;
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background 180ms ease, transform 180ms ease;
}

.ppt-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.26);
    transform: scale(1.06);
}

.ppt-lightbox-hint {
    position: absolute;
    bottom: max(20px, env(safe-area-inset-bottom));
    left: 50%;
    z-index: 10;
    padding: 5px 14px;
    border-radius: 999px;
    transform: translateX(-50%);
    background: rgba(30, 35, 45, 0.58);
    color: rgba(255, 255, 255, 0.68);
    font-family: var(--ppt-mono-font);
    font-size: 0.72rem;
    white-space: nowrap;
    pointer-events: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

@media (max-width: 720px) {
    .ppt-control {
        width: 40px;
        height: 40px;
    }

    .ppt-nav {
        top: auto;
        bottom: max(72px, calc(env(safe-area-inset-bottom) + 72px));
        opacity: 0.62;
        transform: none;
    }

    .ppt-page-info {
        bottom: max(76px, calc(env(safe-area-inset-bottom) + 76px));
    }

    .ppt-nav:not(:disabled):hover {
        transform: scale(1.06);
    }

    .ppt-theme-control {
        width: 40px;
        min-height: 40px;
    }

    .ppt-theme-control:hover,
    .ppt-theme-control:focus-within {
        width: 153px;
    }

    .ppt-theme-label {
        display: none;
    }

    .ppt-theme-control select {
        width: 0;
        font-size: 0.7rem;
    }

    .ppt-theme-control:hover select,
    .ppt-theme-control:focus-within select {
        width: 105px;
    }

    .ppt-page-expanded,
    .ppt-page-nav {
        max-width: calc(100vw - 28px);
    }

    .ppt-page-title {
        max-width: calc(100vw - 32px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .ppt-stage iframe,
    .ppt-progress,
    .ppt-control,
    .ppt-page-expanded,
    .ppt-page-mini,
    .ppt-page-dot,
    .ppt-lightbox-content {
        animation: none !important;
        transition-duration: 1ms !important;
    }
}