* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --base-font-size: 15px;
    --transcript-font-size: 1rem;
    --timeline-handle-size: 14px;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-size: var(--base-font-size);
    line-height: 1.6;
    background: #f8f8f6;
    color: #222;
}

body.has-timeline {
    padding-bottom: 6.5rem;
}

body.timeline-collapsed {
    padding-bottom: 0;
}

.page {
    max-width: 980px;
    margin: 0 auto 0 max(.25rem, calc((100vw - 980px) / 2 - 2.4rem));
    padding: 2rem 1.5rem 4rem 18rem;
}

/* ── left rail ── */
.left-rail {
    position: fixed;
    top: 2rem;
    left: max(.2rem, calc((100vw - 980px) / 2 - 2.2rem));
    width: 14.5rem;
    z-index: 90;
    background: rgba(255, 255, 255, .9);
    border: 1px solid #e3e0da;
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 12px 30px rgba(35, 25, 15, .08);
    backdrop-filter: blur(10px);
}

.left-rail h1 {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: .02em;
    color: #333;
    margin-bottom: .85rem;
    line-height: 1.25;
}

.left-rail .toggle-bar {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: .45rem;
    margin-bottom: 0;
}

.left-rail .toggle-bar button {
    width: 100%;
    text-align: left;
}

.left-rail .toggle-sep {
    display: none;
}

.download-links {
    display: flex;
    flex-direction: column;
    gap: .45rem;
    margin-top: .8rem;
}

.download-links a {
    display: block;
    padding: .45rem .7rem;
    border: 1px solid #d8d0c3;
    border-radius: 10px;
    background: #f8f4ed;
    color: #4f473d;
    text-decoration: none;
    font-size: .82rem;
}

.download-links a:hover {
    background: #f0e8dc;
}

/* ── sidebar ── */
.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 480px;
    height: 100vh;
    background: #fff;
    border-left: 1px solid #ddd;
    padding: 1.25rem 1.1rem 2rem;
    overflow-y: auto;
    z-index: 100;
    transform: translateX(100%);
    transition: transform .25s ease;
    box-shadow: -3px 0 12px rgba(0,0,0,.08);
}
.sidebar.open { transform: translateX(0); }

.sidebar-close {
    position: absolute;
    top: .7rem;
    left: .8rem;
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: #888;
    line-height: 1;
    padding: .2rem .4rem;
}
.sidebar-close:hover { color: #333; }

.sidebar h2 {
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #888;
    margin-bottom: .7rem;
    margin-top: 1.5rem;
}
.sidebar h2:first-of-type { margin-top: 2rem; }

.meta-grid {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    font-size: .84rem;
    color: #555;
}
.meta-grid span::before {
    content: attr(data-label) ": ";
    font-weight: 600;
    color: #333;
}

.sidebar-section + .sidebar-section {
    margin-top: 1.4rem;
}

/* ── sidebar toggle button (fixed, top-right) ── */
.sidebar-toggle {
    position: fixed;
    top: .85rem;
    right: .85rem;
    z-index: 200;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: .3rem .55rem;
    cursor: pointer;
    font-size: .9rem;
    color: #555;
    line-height: 1;
    box-shadow: 0 1px 4px rgba(0,0,0,.1);
    transition: background .15s, color .15s;
}
.sidebar-toggle:hover,
.sidebar-toggle.active { background: #333; color: #fff; border-color: #333; }

/* ── participant table ── */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: .76rem;
    table-layout: fixed;
}
thead th {
    text-align: left;
    padding: .35rem .5rem;
    background: #eee;
    font-weight: 600;
    color: #444;
    border-bottom: 2px solid #ddd;
    overflow-wrap: anywhere;
}
tbody tr:nth-child(odd) { background: #fafafa; }
tbody td {
    padding: .28rem .5rem;
    border-bottom: 1px solid #e8e8e8;
    vertical-align: middle;
    overflow-wrap: anywhere;
    word-break: break-word;
}
.dot {
    display: inline-block;
    width: 9px; height: 9px;
    border-radius: 50%;
    margin-right: .35rem;
    vertical-align: middle;
    flex-shrink: 0;
}

/* ── toggle bar ── */
.toggle-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: 1.25rem;
}
.toggle-bar button {
    padding: .3rem .85rem;
    border-radius: 4px;
    border: 1px solid #ccc;
    cursor: pointer;
    font-size: .84rem;
    background: #fff;
    color: #444;
    transition: background .15s, color .15s;
}
.toggle-bar button.active {
    background: #333;
    color: #fff;
    border-color: #333;
}

/* ── transcript container ── */
.transcript-shell {
    background: #fff;
    border: 1px solid #e3e0da;
    border-radius: 14px;
    padding: 1.1rem 1.2rem;
    box-shadow: 0 14px 36px rgba(35, 25, 15, .06);
}

/* ── transcript panels ── */
.transcript { font-size: var(--transcript-font-size); }
.panel { display: none; }
.panel.visible { display: block; }

.turn {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    gap: 0 1rem;
    padding: .28rem 0;
    border-bottom: 1px solid #efefef;
    align-items: baseline;
}
.turn:last-child { border-bottom: none; }
.turn.hover-linked {
    background: #f5efe5;
    border-radius: 8px;
}

.turn-meta {
    min-width: 0;
}
.turn-speaker {
    display: block;
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .04em;
    padding-top: .1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.turn-text {
    line-height: 1.65;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* ── timings (hidden until .show-times on .transcript) ── */
.turn-time {
    display: none;
    white-space: nowrap;
    font-size: .7rem;
    color: #aaa;
    letter-spacing: .02em;
    font-variant-numeric: tabular-nums;
    margin-top: .1rem;
}
.show-times .turn-time { display: block; }

/* ── Jefferson notation ── */
.jtext { font: inherit; }
.overlap { color: #2060a0; }
.para    { color: #777; font-style: italic; }
.quiet   { opacity: .65; }
.pause   { color: #b05010; font-weight: 600; }
.trunc   { color: #999; }
.length  { color: #b05010; }

/* ── scroll timeline ── */
.timeline {
    position: fixed;
    left: 50%;
    bottom: 1rem;
    transform: translateX(-50%);
    width: min(960px, calc(100vw - 2rem));
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(205, 199, 188, .95);
    border-radius: 16px;
    box-shadow: 0 14px 32px rgba(35, 25, 15, .12);
    padding: .8rem .95rem .9rem;
    z-index: 150;
    backdrop-filter: blur(10px);
}

.timeline.hidden {
    display: none;
}

.timeline-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: .45rem;
    font-size: .78rem;
    color: #6c655d;
}

.timeline-current {
    font-weight: 700;
    color: #2f2a24;
    font-variant-numeric: tabular-nums;
}

.timeline-total {
    font-variant-numeric: tabular-nums;
}

.timeline-controls {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}

.timeline-controls button {
    min-width: 2rem;
    padding: .15rem .45rem;
    border: 1px solid #cfc6b9;
    border-radius: 999px;
    background: #fff;
    color: #5d5449;
    cursor: pointer;
    font-size: .78rem;
    line-height: 1.2;
}

.timeline-controls button:hover {
    background: #f4efe7;
}

.timeline-zoom-label {
    min-width: 2.6rem;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.timeline-track {
    position: relative;
    height: 18px;
    cursor: pointer;
    touch-action: none;
    margin-top: .35rem;
}

.timeline-track-inner {
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(var(--timeline-handle-size) / 2);
    right: calc(var(--timeline-handle-size) / 2);
}

.timeline-rail {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    transform: translateY(-50%);
    border-radius: 999px;
    background: linear-gradient(90deg, #e8e1d7 0%, #efeae1 100%);
}

.timeline-marker {
    position: absolute;
    top: 50%;
    width: 2px;
    height: 10px;
    transform: translate(-50%, -50%);
    border-radius: 999px;
    background: #b7afa3;
    opacity: .75;
    cursor: pointer;
}

.timeline-marker.active {
    height: 14px;
    background: #2d6c99;
    opacity: 1;
}

.timeline-playhead {
    position: absolute;
    top: 50%;
    width: var(--timeline-handle-size);
    height: var(--timeline-handle-size);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: #2d6c99;
    border: 2px solid #fff;
    box-shadow: 0 0 0 3px rgba(45, 108, 153, .18);
    cursor: grab;
}

.timeline-playhead.dragging {
    cursor: grabbing;
}

.speaker-map {
    display: flex;
    flex-direction: column;
    gap: .28rem;
}

.speaker-lane {
    display: grid;
    grid-template-columns: 4.5rem 1fr;
    align-items: center;
    gap: .55rem;
}

.speaker-label {
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.speaker-track {
    position: relative;
    height: 14px;
    margin: 0 calc(var(--timeline-handle-size) / 2);
    border-radius: 999px;
    background: #f3eee7;
    overflow: hidden;
}

.speaker-segment {
    position: absolute;
    top: 1px;
    height: 12px;
    border-radius: 999px;
    opacity: .55;
    cursor: pointer;
}

.speaker-segment.active {
    opacity: 1;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .75) inset;
}

.timeline-marker.hover-linked {
    height: 16px;
    background: #1f4f73;
    opacity: 1;
}

.speaker-segment.hover-linked {
    opacity: 1;
    box-shadow: 0 0 0 2px rgba(31, 79, 115, .22);
}

/* ── footer ── */
footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid #ddd;
    font-size: .78rem;
    color: #aaa;
    text-align: center;
}

@media (max-width: 720px) {
    .page {
        margin: 0;
        padding: 1rem .9rem 2rem;
    }

    .left-rail {
        position: static;
        width: auto;
        margin-bottom: 1rem;
        left: auto;
        top: auto;
    }

    .left-rail .toggle-bar button {
        text-align: center;
    }

    .turn {
        grid-template-columns: 1fr;
        gap: .15rem;
    }

    .turn-speaker {
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .turn-time {
        white-space: normal;
    }

    .sidebar {
        width: min(95vw, 480px);
    }

    .timeline {
        width: calc(100vw - 1rem);
        bottom: .5rem;
        padding: .7rem .75rem .8rem;
    }

    .timeline-head {
        font-size: .72rem;
    }

    .speaker-lane {
        grid-template-columns: 3.6rem 1fr;
        gap: .4rem;
    }
}