.ppt-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.2em;
    height: 1.2em;
    margin-right: 0.4em;
    padding: 0;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 0.3em;
    background: var(--md-default-bg-color);
    color: var(--md-default-fg-color);
    cursor: pointer;
    vertical-align: middle;
}

.ppt-toggle svg {
    width: 1em;
    height: 1em;
}

.ppt-toggle[aria-pressed="true"] {
    border-color: var(--md-primary-fg-color);
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

.ppt-deck {
    display: none;
    margin: 1.5rem 0 0;
    position: relative;
    width: 100%;
    height: var(--ppt-slide-height, 70vh);
}

.ppt-slides {
    position: relative;
    height: 100%;
}

.ppt-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: auto;
}

.ppt-canvas {
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: auto;
}

.ppt-tools {
    position: absolute;
    top: 0;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 4;
    pointer-events: auto;
    padding: 0.5rem 0.75rem;
    border-radius: 0 0 0.5rem 0.5rem;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-md-color-scheme="slate"] .ppt-tools {
    background: rgba(0, 0, 0, 0.4);
}

.ppt-tools::after {
    content: "";
    position: absolute;
    left: -1rem;
    right: -1rem;
    bottom: -2.5rem;
    height: 2.5rem;
}

.ppt-tools:hover {
    transform: translateY(0);
    opacity: 1;
}

.ppt-tool {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 0;
    border-radius: 0.3rem;
    background: rgba(0, 0, 0, 0.08);
    color: var(--md-default-fg-color);
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    font-size: 0.85em;
    transition: background 0.2s ease;
}

[data-md-color-scheme="slate"] .ppt-tool {
    background: rgba(255, 255, 255, 0.12);
}

.ppt-tool svg {
    width: 1em;
    height: 1em;
}

.ppt-tool:hover {
    background: rgba(0, 0, 0, 0.15);
}

[data-md-color-scheme="slate"] .ppt-tool:hover {
    background: rgba(255, 255, 255, 0.22);
}

.ppt-tool.is-active {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

.ppt-tool:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.ppt-tool.is-flash {
    animation: ppt-flash 0.6s ease;
}

@keyframes ppt-flash {
    0% {
        background: var(--md-primary-fg-color);
        color: var(--md-primary-bg-color);
    }
    100% {
        background: var(--md-default-fg-color--lightest);
        color: var(--md-default-bg-color);
    }
}

.ppt-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
    pointer-events: none;
    height: 100%;
    overflow: auto;
    padding: 2rem 2.5rem;
    font-size: 1.6em;
    text-align: left;
    border-radius: 0.6rem;
    border: 1px solid var(--md-default-fg-color--lightest);
    background: var(--md-default-bg-color);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.ppt-slide.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.ppt-slide img {
    max-width: 100%;
    max-height: calc(100vh - 8rem);
    height: auto;
    object-fit: contain;
}

.ppt-slide pre {
    max-height: calc(100vh - 10rem);
    overflow: auto;
    line-height: 1.3;
}

.ppt-slide pre code {
    line-height: inherit;
}

.ppt-slide .admonition,
.ppt-slide details,
.ppt-slide .md-typeset .admonition,
.ppt-slide .md-typeset details {
    font-size: inherit;
}

.ppt-slide table,
.ppt-slide table:not([class]),
.ppt-slide th,
.ppt-slide td {
    font-size: .768rem !important;
}

.ppt-counter {
    position: absolute;
    bottom: 1rem;
    left: 2.5rem;
    right: 2.5rem;
    text-align: center;
    font-size: 0.9em;
    color: var(--md-default-fg-color--light);
    z-index: 5;
    pointer-events: none;
}

body[data-ppt-mode="slides"] {
    overflow: hidden;
}

body[data-ppt-mode="slides"] .md-header,
body[data-ppt-mode="slides"] .md-sidebar--primary,
body[data-ppt-mode="slides"] .md-sidebar--secondary,
body[data-ppt-mode="slides"] .md-footer,
body[data-ppt-mode="slides"] .md-tabs {
    display: none;
}

body[data-ppt-mode="slides"] .md-content {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

body[data-ppt-mode="slides"] .ppt-slide,
body[data-ppt-mode="slides"] .ppt-slide p,
body[data-ppt-mode="slides"] .ppt-slide li,
body[data-ppt-mode="slides"] .ppt-slide td,
body[data-ppt-mode="slides"] .ppt-slide .md-typeset,
body[data-ppt-mode="slides"] .ppt-slide .admonition {
    text-align: left;
}

body[data-ppt-mode="slides"] article.md-content__inner > :not(h1):not(.ppt-deck) {
    display: none;
}

body[data-ppt-mode="slides"] .ppt-deck {
    display: block;
    position: fixed;
    inset: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: var(--md-default-bg-color);
}