/* container */
.pptx-viewer {
    --bg: #f5f7fb;
    --card: #ffffff;
    --border: #e6e9f2;
    --shadow: 0 10px 26px rgba(16, 24, 40, 0.08);
    --radius: 18px;
    --accent: #ffb14a;
    --active: #7f56d9;
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

/* topbar */
.pptx-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.pptx-topbar-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.pptx-btn {
    border-radius: 12px !important;
    padding: 10px 14px !important;
    font-weight: 800;
    display: inline-flex !important;
    align-items: center;
    gap: 10px;
}

.pptx-btn-download {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #111827 !important;
}

/* thumbs narrower */
.pptx-body {
    display: grid;
    grid-template-columns: 170px 1fr;
    min-height: 1000px;
}

/* sidebar */
.pptx-sidebar {
    background: #f9fafb;
    border-right: 1px solid var(--border);
    padding: 2px;
    overflow: hidden;
}

.pptx-sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 5px;
}

.pptx-counter {
    font-weight: 800;
    color: #344054;
    font-size: 13px;
}

/* icon buttons */
.pptx-icon-btn {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 10px;
    width: 34px;
    height: 34px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pptx-icon-btn i {
    font-size: 14px;
    color: #344054;
}

.pptx-icon-btn:hover {
    filter: brightness(0.98);
}

/* thumbs scroll */
.pptx-thumbs {
    height: calc(1000px - 5px);
    overflow: auto;
    padding-right: 6px;
}

.pptx-thumb {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(16, 24, 40, 0.06);
    overflow: hidden;
    margin-bottom: 5px;
    cursor: pointer;
    position: relative;
    aspect-ratio: 4/3;
}

.pptx-thumb img,
.pptx-thumb canvas,
.pptx-thumb svg {
    object-fit: cover !important;
}

/* active thumb */
.pptx-thumb.active {
    outline: 2px solid var(--active);
    outline-offset: 2px;
}

/* inside clone */
.pptx-thumb-inner {
    transform: scale(0.15);
    transform-origin: top left;
    width: 960px;
    height: 720px;
    pointer-events: none;
}

/* stage */
.pptx-stage {
    position: relative;
    background: var(--bg);
    padding: 2px;
    overflow: hidden;
}

.pptx-canvas {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    height: calc(1035px - 5px);
    overflow: hidden;
    position: relative;
}

.pptx-canvas.scroll-mode {
    overflow: auto;
    padding: 5px;
}

.pptx-slide-wrap {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

/* each slide card */
.pptx-slide {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(16, 24, 40, 0.06);
    position: relative;
    aspect-ratio: 4/3;
    width: 100%;
}

.pptx-slide.active {
    display: block;
}

.pptx-slide img,
.pptx-slide canvas,
.pptx-slide svg {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: contain;
    object-position: center;
    display: block;
}

.pptx-slide section,
.pptx-slide .slide,
.pptx-slide .pptx-slide,
.pptx-slide .pptxjs-slide {
    width: 100% !important;
    height: 100% !important;
}

/* responsive */
@media (max-width: 992px) {
    .pptx-body {
        grid-template-columns: 1fr;
    }

    .pptx-sidebar {
        display: none;
    }

    .pptx-canvas {
        height: 100vh;
    }

    .pptx-thumbs {
        height: auto;
    }

    .pptx-btn {
        font-size: 14px;
        padding: 8px 12px;
    }

    .pptx-thumb {
        width: 100%;
        height: auto;
    }

    .pptx-slide {
        width: 100%;
        height: auto;
        box-shadow: none;
    }

    .pptx-slide img,
    .pptx-slide canvas,
    .pptx-slide svg {
        object-fit: contain;
    }

    .pptx-thumbs {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 10px;
    }

    .pptx-icon-btn {
        width: 30px;
        height: 30px;
    }

    .pptx-slide img,
    .pptx-slide canvas,
    .pptx-slide svg {
        object-position: center;
        max-height: 100%;
    }

    .pptx-topbar {
        padding: 5px;
    }

    .pptx-topbar-right {
        gap: 8px;
    }

    .pptx-btn {
        padding: 8px 12px;
        font-size: 14px;
    }

    .pptx-body {
        min-height: 0 !important;
    }
}

@media (max-width: 576px) {
    .pptx-body {
        grid-template-columns: 1fr;
    }

    .pptx-btn {
        font-size: 12px;
        padding: 6px 10px;
    }

    .pptx-topbar {
        flex-direction: column;
        gap: 5px;
    }

    .pptx-sidebar {
        display: none;
    }

    .pptx-canvas {
        height: 100vh;
    }

    .pptx-thumbs {
        flex-direction: column;
        gap: 10px;
    }

    .pptx-slide {
        box-shadow: none;
    }

    .pptx-body {
        min-height: 0 !important;
    }
}

/* Hidden elements */
.hidden {
    display: none !important;
}

/* Slide interaction */
.pptx-slide,
.pptx-slide * {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-touch-callout: none;
    pointer-events: none;
}

.pptx-slide img {
    -webkit-user-drag: none;
    user-drag: none;
    pointer-events: none;
}

.pptx-thumb {
    overflow: hidden;
    aspect-ratio: 4/3;
}

.pptx-thumb-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 960px;
    height: 720px;
    transform-origin: top left;
    transform: scale(0.24);
    pointer-events: none;
}