:root {
    --page-background: #f5f7fb;
    --panel-background: #ffffff;
    --text-color: #24292f;
    --muted-color: #57606a;
    --border-color: #d0d7de;
    --accent-color: #0969da;
    --accent-hover: #0757b8;
    --shadow-color: rgba(27, 31, 36, 0.12);
    --slide-toolbar-height: 64px;
    --slide-iframe-overflow-compensation: 12px;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background: var(--page-background);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

button,
input,
select,
textarea {
    font: inherit;
}

.pdf-slide-page {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 48px;
}

.main-content {
    width: 100%;
    margin: 0 auto 28px;
}

.slide-frame {
    overflow: hidden;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #111827;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 18px 48px var(--shadow-color);
}

#main-slide {
    display: block;
    width: 100%;
    height: calc(100% + var(--slide-iframe-overflow-compensation));
    margin-bottom: calc(-1 * var(--slide-iframe-overflow-compensation));
    overflow: hidden;
    border: 0;
    background: #ffffff;
}

.slide-controller {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 14px;
    padding: 12px 0 0;
    border-top: 1px solid var(--border-color);
}

.slide-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    color: var(--muted-color);
    font-size: 14px;
}

.slide-dates time {
    margin-left: 4px;
}

.slide-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.slide-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 36px;
    padding: 6px 10px;
    color: var(--accent-color);
    background: var(--panel-background);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
}

.slide-action:hover,
.slide-action:focus-visible {
    color: var(--accent-hover);
    border-color: var(--accent-color);
    outline: none;
}

.slide-action:focus-visible {
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.18);
}

.svg-icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    flex: 0 0 auto;
}

.slide-state-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    width: 100vw;
    max-width: none;
    height: 100vh;
    margin: 0;
    padding: 0;
    background: #0b0f17;
}

.slide-state-fullscreen .slide-frame {
    height: calc(100vh - var(--slide-toolbar-height));
    aspect-ratio: auto;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.slide-state-fullscreen .slide-controller {
    min-height: var(--slide-toolbar-height);
    margin: 0;
    padding: 10px 16px;
    color: #e6edf3;
    background: #0b0f17;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.slide-state-fullscreen .slide-dates {
    color: #c9d1d9;
}

.slide-state-fullscreen .slide-action {
    color: #e6edf3;
    background: #161b22;
    border-color: #30363d;
}

.slide-state-fullscreen .slide-action:hover,
.slide-state-fullscreen .slide-action:focus-visible {
    color: #ffffff;
    border-color: #58a6ff;
}

.markdown-body {
    max-width: 860px;
    min-width: 200px;
    margin: 0 auto;
    padding: 36px 40px;
    overflow-wrap: break-word;
    background: var(--panel-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.markdown-body > :first-child {
    margin-top: 0;
}

.markdown-body > :last-child {
    margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin: 24px 0 12px;
    line-height: 1.3;
}

.markdown-body h1 {
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border-color);
    font-size: 32px;
}

.markdown-body h2 {
    padding-bottom: 0.25em;
    border-bottom: 1px solid var(--border-color);
    font-size: 24px;
}

.markdown-body h3 {
    font-size: 20px;
}

.markdown-body h4 {
    font-size: 18px;
}

.markdown-body h5,
.markdown-body h6 {
    color: var(--muted-color);
    font-size: 16px;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body pre,
.markdown-body table {
    margin: 0 0 16px;
}

.markdown-body a {
    color: var(--accent-color);
    text-decoration: none;
}

.markdown-body a:hover,
.markdown-body a:focus-visible {
    text-decoration: underline;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 1.6em;
}

.markdown-body li + li {
    margin-top: 0.25em;
}

.markdown-body blockquote {
    padding: 0 1em;
    color: var(--muted-color);
    border-left: 4px solid var(--border-color);
}

.markdown-body .presenter-note {
    margin: 0 0 14px;
    padding: 8px 12px;
    color: var(--muted-color);
    background: #f6f8fa;
    border-left: 3px solid #d0d7de;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.55;
}

.markdown-body .presenter-note strong {
    color: #57606a;
    font-weight: 600;
}

.markdown-body code,
.markdown-body kbd,
.markdown-body pre {
    font-family: ui-monospace, SFMono-Regular, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

.markdown-body code {
    padding: 0.2em 0.4em;
    background: rgba(175, 184, 193, 0.2);
    border-radius: 6px;
    font-size: 85%;
}

.markdown-body pre {
    overflow: auto;
    padding: 16px;
    background: #f6f8fa;
    border-radius: 8px;
}

.markdown-body pre code {
    padding: 0;
    background: transparent;
    border-radius: 0;
    font-size: 100%;
}

.markdown-body table {
    display: block;
    width: 100%;
    overflow: auto;
    border-spacing: 0;
    border-collapse: collapse;
}

.markdown-body th,
.markdown-body td {
    padding: 6px 13px;
    border: 1px solid var(--border-color);
}

.markdown-body tr:nth-child(2n) {
    background: #f6f8fa;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
}

.markdown-body h1 img,
.markdown-body h2 img,
.markdown-body h3 img,
.markdown-body h4 img,
.markdown-body h5 img,
.markdown-body h6 img,
.markdown-body li img {
    height: 1em;
    vertical-align: text-bottom;
}

@media (max-width: 760px) {
    .pdf-slide-page {
        width: min(100% - 20px, 1180px);
        padding: 12px 0 28px;
    }

    .slide-frame,
    .markdown-body {
        border-radius: 6px;
    }

    .slide-controller {
        align-items: stretch;
        flex-direction: column;
    }

    .slide-actions {
        justify-content: stretch;
    }

    .slide-action {
        flex: 1 1 auto;
    }

    .markdown-body {
        padding: 22px 18px;
    }

    .markdown-body h1 {
        font-size: 26px;
    }

    .markdown-body h2 {
        font-size: 21px;
    }
}