/* ==========================================================================
   DevotionTube — video + transcript pages in the editorial system
   Same paper/ink/vermillion language as the home page and essays.
   Dark mode is toggled by video.js, which sets .dark-mode on <body>;
   every color routes through the variables below so the override is small.
   Loaded only for `layout: video` pages, which skip Tufte CSS entirely.
   ========================================================================== */

body {
    --color-paper: #f6f1e6;
    --color-paper-deep: #efe8d9;
    --color-ink: #211d16;
    --color-light-ink: rgba(33, 29, 22, 0.72);
    --color-accent: #99502e;
    --color-hairline: rgba(33, 29, 22, 0.18);
    --color-hairline-strong: rgba(33, 29, 22, 0.75);
    --font-body: 'Petrona', Georgia, serif;
    --font-display: 'Fraunces', Georgia, serif;

    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-ink);
    background-color: var(--color-paper);
    background-image: radial-gradient(90rem 50rem at 50% -12rem, rgba(255, 253, 244, 0.9) 0%, rgba(255, 253, 244, 0) 65%);
    position: relative;
}

body.dark-mode {
    --color-paper: #191611;
    --color-paper-deep: #14110d;
    --color-ink: #ece5d6;
    --color-light-ink: rgba(236, 229, 214, 0.72);
    --color-accent: #cf8d5f;
    --color-hairline: rgba(236, 229, 214, 0.2);
    --color-hairline-strong: rgba(236, 229, 214, 0.8);
    background-image: radial-gradient(90rem 50rem at 50% -12rem, rgba(46, 40, 30, 0.85) 0%, rgba(46, 40, 30, 0) 65%);
}

* {
    box-sizing: border-box;
}

/* Paper grain, matching the rest of the site */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.3'/%3E%3C/svg%3E");
}

.container {
    position: relative;
    z-index: 1;
    max-width: 76rem;
    margin: 0 auto;
    padding: 5.5rem 1.5rem 3rem;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.video-header {
    text-align: center;
    max-width: 46rem;
    margin: 0 auto 4rem;
}

.video-title {
    margin: 0 0 1.2rem;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2.1rem, 5vw, 3rem);
    line-height: 1.15;
    color: var(--color-ink);
    text-wrap: balance;
}

.video-deck {
    margin: 0 auto 2rem;
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--color-light-ink);
}

.video-byline {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    max-width: 26rem;
    margin: 0 auto;
}

.video-byline .rule {
    flex: 1;
    height: 1px;
    background: var(--color-hairline);
}

.video-byline .name {
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Two-column layout: sticky video, scrolling transcript
   -------------------------------------------------------------------------- */

.content-container {
    display: flex;
    gap: clamp(2rem, 5vw, 4.5rem);
}

.video-section {
    flex: 0 0 44%;
    position: sticky;
    top: 1.5rem;
    height: fit-content;
}

.transcript-section {
    flex: 1;
    min-width: 0;
    max-width: 42rem;
}

.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    background-color: #000;
    border: 1px solid var(--color-hairline);
    box-shadow: 0 14px 32px rgba(33, 29, 22, 0.14);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* --------------------------------------------------------------------------
   Controls — quiet small-caps text buttons
   -------------------------------------------------------------------------- */

.control-buttons {
    display: flex;
    gap: 0.8rem;
    margin: 1.2rem 0;
    justify-content: center;
}

.control-button {
    appearance: none;
    background: none;
    border: 1px solid var(--color-hairline);
    color: var(--color-light-ink);
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-indent: 0.18em;
    text-transform: uppercase;
    padding: 0.55rem 1.1rem;
    min-width: 9rem;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.control-button:hover {
    color: var(--color-ink);
    border-color: var(--color-hairline-strong);
}

.control-button.active {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background-color: rgba(153, 80, 46, 0.06);
}

body.dark-mode .control-button.active {
    background-color: rgba(207, 141, 95, 0.1);
}

/* video.js expects an <i> icon inside the theme toggle; keep it for the
   script, hide it from the design */
.theme-toggle i {
    display: none;
}

/* Flow speed controls, injected by video.js when Flow is enabled */
.flow-speed-controls {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-top: 0.7rem;
    justify-content: center;
}

.flow-speed-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-light-ink);
}

.flow-speed-btn {
    appearance: none;
    background: none;
    border: 1px solid var(--color-hairline);
    color: var(--color-light-ink);
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 0.35rem 0.75rem;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.flow-speed-btn:hover {
    color: var(--color-ink);
    border-color: var(--color-hairline-strong);
}

.flow-speed-btn.active {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background-color: rgba(153, 80, 46, 0.06);
}

body.dark-mode .flow-speed-btn.active {
    background-color: rgba(207, 141, 95, 0.1);
}

/* --------------------------------------------------------------------------
   Chapters — an editorial contents list
   -------------------------------------------------------------------------- */

.chapter {
    border-top: 1px solid var(--color-hairline);
}

.chapter:last-child {
    border-bottom: 1px solid var(--color-hairline);
}

.chapter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.4rem 0;
    cursor: pointer;
}

.chapter-title-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.chapter-eyebrow {
    display: flex;
    align-items: baseline;
    gap: 1.1rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.chapter-no {
    color: var(--color-light-ink);
}

.chapter-time {
    color: var(--color-accent);
    cursor: pointer;
    transition: color 0.2s ease;
}

.chapter-time:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.chapter-title {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 420;
    font-size: 1.25rem;
    line-height: 1.3;
    color: var(--color-ink);
    transition: color 0.25s ease;
}

.chapter-header:hover .chapter-title,
.chapter-header.active .chapter-title {
    color: var(--color-accent);
}

/* Plus / minus toggle drawn from hairlines */
.chapter-toggle {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    position: relative;
    border: 1px solid var(--color-hairline);
    border-radius: 50%;
}

.chapter-toggle::before,
.chapter-toggle::after {
    content: "";
    position: absolute;
    background-color: var(--color-light-ink);
    transition: transform 0.3s ease;
}

.chapter-toggle::before {
    width: 1px;
    height: 10px;
    top: 7px;
    left: 12px;
}

.chapter-toggle::after {
    width: 10px;
    height: 1px;
    top: 12px;
    left: 7px;
}

/* Expanded chapters show a minus, collapsed a plus */
.chapter-header.expanded .chapter-toggle::before {
    transform: rotate(90deg);
}

.chapter-content {
    height: auto;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0, 1, 0, 1);
}

.chapter-content.expanded {
    max-height: 12000px;
    transition: max-height 1s ease-in-out;
}

/* --------------------------------------------------------------------------
   Transcript
   -------------------------------------------------------------------------- */

.chapter-transcript {
    margin: 0.3rem 0 2.2rem;
    padding-left: 1.4rem;
    border-left: 1px solid var(--color-hairline);
    transition: border-color 0.3s ease;
}

.chapter-transcript.active-chapter {
    border-left: 2px solid var(--color-accent);
    padding-left: calc(1.4rem - 1px);
}

.transcript-paragraph {
    margin: 0 0 1.1rem;
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--color-ink);
}

.transcript-paragraph em {
    color: var(--color-light-ink);
}

/* --------------------------------------------------------------------------
   Notes (commentary) — the editor's voice, set apart on deeper paper
   -------------------------------------------------------------------------- */

.commentary-container {
    margin: 1.6rem 0 0.4rem;
}

.commentary-toggle {
    appearance: none;
    background: none;
    border: none;
    padding: 0;
    margin-bottom: 0.9rem;
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent);
    cursor: pointer;
    transition: color 0.2s ease;
}

.commentary-toggle:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.commentary {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.5s ease, max-height 1s ease-in-out;
    background-color: var(--color-paper-deep);
    border-left: 2px solid var(--color-accent);
    padding: 0 1.4rem;
}

.commentary.show-commentary {
    opacity: 1;
    max-height: 8000px;
    padding: 1.3rem 1.4rem;
    margin-bottom: 0.6rem;
    overflow: visible;
}

.commentary p {
    margin: 0 0 1rem;
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--color-light-ink);
}

.commentary p:last-child {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Colophon
   -------------------------------------------------------------------------- */

.video-colophon {
    margin-top: 5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.video-ornament {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: min(100%, 16rem);
    margin-bottom: 1.4rem;
    color: var(--color-accent);
}

.video-ornament .rule {
    flex: 1;
    height: 1px;
    background: var(--color-hairline);
}

.video-ornament .mark {
    font-size: 0.7rem;
    line-height: 1;
}

.video-colophon p {
    margin: 0;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--color-light-ink);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 880px) {
    .container {
        padding-top: 4.5rem;
    }

    .content-container {
        flex-direction: column;
    }

    .video-section {
        position: sticky;
        top: 0;
        width: 100%;
        z-index: 10;
        background-color: var(--color-paper);
        padding: 0.6rem 0;
    }

    .control-buttons {
        margin: 0.9rem 0 0.3rem;
    }

    .transcript-section {
        max-width: 100%;
    }
}
