/* Verse AI — Tutorial tab (verse-ai-tutorials.css)
   Scoped to #tutorialView. Inherits the page theme through the --bg/--text/--primary tokens
   so every one of the chat page's colour themes restyles the manual automatically. */

#tutorialView {
    --tut-paper: var(--bg-primary, #ffffff);
    --tut-paper-2: var(--bg-secondary, #f7f7f8);
    --tut-paper-3: var(--bg-tertiary, #f8f9fa);
    --tut-hover: var(--bg-hover, #f0f0f0);
    --tut-ink: var(--text-primary, #2f3640);
    --tut-ink-2: var(--text-secondary, #666666);
    --tut-ink-3: var(--text-tertiary, #999999);
    --tut-line: var(--border-primary, #e5e5e5);
    --tut-line-2: var(--border-secondary, #dddddd);
    --tut-accent: var(--primary-color, #007bff);
    --tut-accent-ink: var(--text-inverse, #ffffff);
    --tut-tint: var(--primary-light, #e7f1ff);
    --tut-tint-2: var(--primary-light, #e7f1ff);
    --tut-ok: var(--success-color, #28a745);
    --tut-warn: var(--warning-color, #ffc107);
    --tut-danger: var(--danger-color, #dc3545);
    --tut-code-bg: var(--code-bg, #2d2d2d);
    --tut-code-ink: var(--code-text, #f8f8f2);
    --tut-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
    --tut-rail: 268px;
    color: var(--tut-ink);
    background: var(--tut-paper);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
@supports (color: color-mix(in srgb, red 10%, white)) {
    #tutorialView {
        --tut-tint: color-mix(in srgb, var(--primary-color, #007bff) 10%, var(--bg-primary, #ffffff));
        --tut-tint-2: color-mix(in srgb, var(--primary-color, #007bff) 22%, var(--bg-primary, #ffffff));
    }
}

#tutorialView *, #tutorialView *::before, #tutorialView *::after { box-sizing: border-box; }
#tutorialView :focus-visible { outline: 2px solid var(--tut-accent); outline-offset: 2px; border-radius: 4px; }

/* ── Frame ─────────────────────────────────────────────────────────── */
#tutorialView .tut {
    display: grid;
    grid-template-columns: var(--tut-rail) minmax(0, 1fr);
    min-height: 100%;
}

/* ── Rail ──────────────────────────────────────────────────────────── */
#tutorialView .tut-rail {
    position: sticky;
    top: 0;
    align-self: start;
    max-height: calc(100vh - 46px);
    overflow-y: auto;
    border-right: 1px solid var(--tut-line);
    background: var(--tut-paper-2);
    padding: 18px 14px 28px;
    scrollbar-width: thin;
}
#tutorialView .tut-rail-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 2px 8px 12px;
}
#tutorialView .tut-rail-head strong { font-size: 15px; font-weight: 650; letter-spacing: -0.01em; }
#tutorialView .tut-rail-head span { font-size: 12px; color: var(--tut-ink-3); font-variant-numeric: tabular-nums; }

#tutorialView .tut-search {
    position: relative;
    margin: 0 2px 14px;
}
#tutorialView .tut-search svg {
    position: absolute; left: 10px; top: 50%; width: 15px; height: 15px; margin-top: -8px;
    color: var(--tut-ink-3); pointer-events: none;
}
#tutorialView .tut-search input {
    width: 100%;
    padding: 8px 30px 8px 32px;
    border: 1px solid var(--tut-line-2);
    border-radius: 8px;
    background: var(--tut-paper);
    color: var(--tut-ink);
    font: inherit;
    font-size: 13.5px;
}
#tutorialView .tut-search input::placeholder { color: var(--tut-ink-3); }
#tutorialView .tut-search input:focus { border-color: var(--tut-accent); outline: none; box-shadow: 0 0 0 3px var(--tut-tint); }
#tutorialView .tut-search-clear {
    position: absolute; right: 6px; top: 50%; margin-top: -11px;
    width: 22px; height: 22px; border: 0; border-radius: 6px; background: transparent; color: var(--tut-ink-3);
    cursor: pointer; display: none; align-items: center; justify-content: center;
}
#tutorialView .tut-search-clear svg { position: static; margin: 0; width: 13px; height: 13px; color: inherit; }
#tutorialView .tut-search.has-query .tut-search-clear { display: inline-flex; }
#tutorialView .tut-search-clear:hover { background: var(--tut-hover); color: var(--tut-ink); }

#tutorialView .tut-course {
    border-radius: 10px;
    margin-bottom: 4px;
}
#tutorialView .tut-course-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 10px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--tut-ink);
    font: inherit;
    font-size: 14px;
    font-weight: 560;
    text-align: left;
    cursor: pointer;
}
#tutorialView .tut-course-btn:hover { background: var(--tut-hover); }
#tutorialView .tut-course.is-active > .tut-course-btn { background: var(--tut-paper); box-shadow: 0 1px 0 var(--tut-line), 0 0 0 1px var(--tut-line); }
#tutorialView .tut-course-icon {
    flex: 0 0 auto;
    width: 28px; height: 28px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 8px;
    background: var(--tut-tint);
    color: var(--tut-accent);
}
#tutorialView .tut-course-icon svg { width: 16px; height: 16px; }
#tutorialView .tut-course-btn .tut-course-name { flex: 1 1 auto; min-width: 0; }
#tutorialView .tut-course-btn .tut-course-count { font-size: 12px; color: var(--tut-ink-3); font-variant-numeric: tabular-nums; font-weight: 500; }

#tutorialView .tut-lessons {
    list-style: none;
    margin: 4px 0 8px;
    padding: 0 0 0 14px;
    display: none;
}
#tutorialView .tut-course.is-active .tut-lessons { display: block; }
#tutorialView .tut-lesson-link {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px;
    width: 100%;
    padding: 6px 10px 6px 8px;
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    color: var(--tut-ink-2);
    font: inherit;
    font-size: 13.5px;
    text-align: left;
    cursor: pointer;
    border-radius: 0 8px 8px 0;
}
#tutorialView .tut-lesson-link:hover { color: var(--tut-ink); background: var(--tut-hover); }
#tutorialView .tut-lesson-link .n { font-variant-numeric: tabular-nums; color: var(--tut-ink-3); font-size: 12px; }
#tutorialView .tut-lesson-link.is-read .n { color: var(--tut-ok); }
#tutorialView .tut-lesson-link.is-active { color: var(--tut-accent); border-left-color: var(--tut-accent); background: var(--tut-tint); font-weight: 600; }
#tutorialView .tut-lesson-link.is-active .n { color: var(--tut-accent); }

/* Phone rail: course pills + lesson picker */
#tutorialView .tut-rail-mobile { display: none; }

/* ── Reading column ────────────────────────────────────────────────── */
#tutorialView .tut-main {
    min-width: 0;
    padding: 36px 48px 72px;
}
#tutorialView .tut-doc { max-width: 820px; }

#tutorialView .tut-crumb {
    font-size: 13px;
    color: var(--tut-ink-2);
    margin: 0 0 10px;
    display: flex; align-items: center; gap: 8px;
}
#tutorialView .tut-crumb .sep { color: var(--tut-ink-3); }
#tutorialView .tut-crumb .pos { color: var(--tut-ink-3); font-variant-numeric: tabular-nums; }

#tutorialView .tut-title {
    font-size: 34px;
    line-height: 1.15;
    font-weight: 650;
    letter-spacing: -0.015em;
    margin: 0 0 12px;
    max-width: 24ch;
}
#tutorialView .tut-summary {
    font-size: 17px;
    line-height: 1.5;
    color: var(--tut-ink-2);
    margin: 0 0 30px;
    max-width: 62ch;
}
#tutorialView .tut-rule { height: 1px; background: var(--tut-line); margin: 0 0 28px; }

/* Body blocks */
#tutorialView .tut-body > * + * { margin-top: 18px; }
#tutorialView .tut-body p { margin: 0; max-width: 68ch; }
#tutorialView .tut-body h2 {
    font-size: 21px; line-height: 1.3; font-weight: 640; letter-spacing: -0.01em;
    margin: 38px 0 0; padding-top: 4px;
}
#tutorialView .tut-body h2 + * { margin-top: 10px; }
#tutorialView .tut-body h3 { font-size: 16px; font-weight: 640; margin: 26px 0 0; }
#tutorialView .tut-body h3 + * { margin-top: 8px; }
#tutorialView .tut-body a { color: var(--tut-accent); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
#tutorialView .tut-body a:hover { text-decoration-thickness: 2px; }
#tutorialView .tut-body strong { font-weight: 640; }
#tutorialView .tut-body code, #tutorialView .tut-doc code {
    font-family: var(--tut-mono);
    font-size: 0.88em;
    background: var(--tut-paper-2);
    border: 1px solid var(--tut-line);
    border-radius: 5px;
    padding: 1px 5px;
    color: var(--tut-ink);
    white-space: nowrap;
}
#tutorialView .tut-body ul, #tutorialView .tut-body ol.tut-plain { margin: 0; padding-left: 22px; max-width: 68ch; }
#tutorialView .tut-body li + li { margin-top: 6px; }
#tutorialView .tut-body ul li::marker { color: var(--tut-ink-3); }

/* Steps: a numbered rail, because these are sequences */
#tutorialView .tut-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: tut-step;
    max-width: 68ch;
}
#tutorialView .tut-steps li {
    counter-increment: tut-step;
    position: relative;
    padding: 0 0 16px 42px;
}
#tutorialView .tut-steps li + li { margin-top: 0; }
#tutorialView .tut-steps li::before {
    content: counter(tut-step);
    position: absolute; left: 0; top: 0;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--tut-tint);
    color: var(--tut-accent);
    font-size: 12.5px; font-weight: 650; font-variant-numeric: tabular-nums;
    display: inline-flex; align-items: center; justify-content: center;
}
#tutorialView .tut-steps li::after {
    content: '';
    position: absolute; left: 12.5px; top: 30px; bottom: 2px;
    width: 1px; background: var(--tut-line);
}
#tutorialView .tut-steps li:last-child::after { display: none; }
#tutorialView .tut-steps li:last-child { padding-bottom: 0; }
#tutorialView .tut-steps .tut-step-note { display: block; margin-top: 4px; font-size: 13.5px; color: var(--tut-ink-2); }

/* Asides */
#tutorialView .tut-aside {
    border-left: 3px solid var(--tut-accent);
    background: var(--tut-tint);
    border-radius: 0 10px 10px 0;
    padding: 12px 16px 12px 16px;
    max-width: 68ch;
}
#tutorialView .tut-aside.warn { border-left-color: var(--tut-warn); background: var(--tut-paper-2); }
#tutorialView .tut-aside.note { border-left-color: var(--tut-ink-3); background: var(--tut-paper-2); }
#tutorialView .tut-aside strong { display: block; font-size: 13px; margin-bottom: 3px; }
#tutorialView .tut-aside p { margin: 0; }

/* Tables */
#tutorialView .tut-table-wrap { overflow-x: auto; border: 1px solid var(--tut-line); border-radius: 10px; }
#tutorialView table.tut-table { width: 100%; border-collapse: collapse; font-size: 14px; }
#tutorialView table.tut-table th, #tutorialView table.tut-table td { text-align: left; vertical-align: top; padding: 9px 12px; border-bottom: 1px solid var(--tut-line); }
#tutorialView table.tut-table th { font-size: 12.5px; font-weight: 640; color: var(--tut-ink-2); background: var(--tut-paper-2); }
#tutorialView table.tut-table tbody tr:last-child td { border-bottom: 0; }
#tutorialView table.tut-table td:first-child { font-weight: 560; white-space: nowrap; }

/* Key/value rows (field references) */
#tutorialView .tut-kv { display: grid; grid-template-columns: minmax(140px, 220px) minmax(0, 1fr); border-top: 1px solid var(--tut-line); max-width: 760px; }
#tutorialView .tut-kv > div { padding: 9px 10px 9px 0; border-bottom: 1px solid var(--tut-line); font-size: 14px; }
#tutorialView .tut-kv > div.k { font-weight: 560; padding-right: 16px; }

/* Code */
#tutorialView pre.tut-pre {
    margin: 0;
    padding: 14px 16px;
    border-radius: 10px;
    background: var(--tut-code-bg);
    color: var(--tut-code-ink);
    font-family: var(--tut-mono);
    font-size: 13px;
    line-height: 1.55;
    overflow-x: auto;
    max-width: 820px;
}
#tutorialView pre.tut-pre code { background: transparent; border: 0; padding: 0; color: inherit; white-space: pre; font-size: inherit; }
#tutorialView .tut-pre-label { font-size: 12px; color: var(--tut-ink-3); margin: 0 0 6px; }

/* FAQ */
#tutorialView details.tut-faq { border-top: 1px solid var(--tut-line); max-width: 68ch; }
#tutorialView details.tut-faq:last-of-type { border-bottom: 1px solid var(--tut-line); }
#tutorialView details.tut-faq summary { cursor: pointer; padding: 11px 0; font-weight: 560; list-style: none; display: flex; align-items: center; gap: 10px; }
#tutorialView details.tut-faq summary::-webkit-details-marker { display: none; }
#tutorialView details.tut-faq summary::before { content: ''; width: 7px; height: 7px; border-right: 1.5px solid var(--tut-ink-3); border-bottom: 1.5px solid var(--tut-ink-3); transform: rotate(-45deg); transition: transform .15s ease; flex: 0 0 auto; }
#tutorialView details.tut-faq[open] summary::before { transform: rotate(45deg); }
#tutorialView details.tut-faq .tut-faq-a { padding: 0 0 14px 17px; color: var(--tut-ink-2); }
#tutorialView details.tut-faq .tut-faq-a p { margin: 0; }

/* Try-it link to another tab */
#tutorialView .tut-try {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 14px 8px 12px;
    border: 1px solid var(--tut-line-2);
    border-radius: 999px;
    background: var(--tut-paper);
    color: var(--tut-ink);
    font: inherit; font-size: 13.5px; font-weight: 560;
    cursor: pointer;
}
#tutorialView .tut-try svg { width: 14px; height: 14px; color: var(--tut-accent); }
#tutorialView .tut-try:hover { border-color: var(--tut-accent); background: var(--tut-tint); }

/* Changelog: date column + entry */
#tutorialView .tut-log { border-top: 1px solid var(--tut-line); max-width: 780px; }
#tutorialView .tut-log-row { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--tut-line); }
#tutorialView .tut-log-row time { font-size: 13px; color: var(--tut-ink-3); font-variant-numeric: tabular-nums; padding-top: 2px; }
#tutorialView .tut-log-row strong { display: block; font-weight: 640; margin-bottom: 2px; }
#tutorialView .tut-log-row p { margin: 0; color: var(--tut-ink-2); font-size: 14px; }
#tutorialView .tut-log-row .tut-log-area { display: inline-block; margin-left: 8px; font-size: 11.5px; color: var(--tut-accent); background: var(--tut-tint); border-radius: 999px; padding: 1px 8px; vertical-align: 2px; font-weight: 560; }

/* ── Flow diagrams (drawn from the node registry) ─────────────────── */
#tutorialView .tut-flow {
    border: 1px solid var(--tut-line);
    border-radius: 12px;
    background:
        radial-gradient(var(--tut-line) 1px, transparent 1px) 0 0 / 18px 18px,
        var(--tut-paper-3);
    padding: 12px;
    max-width: 100%;
}
#tutorialView .tut-flow-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 4px 10px; }
#tutorialView .tut-flow-head .tut-flow-title { font-size: 13px; font-weight: 600; color: var(--tut-ink-2); }
#tutorialView .tut-flow-actions { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
#tutorialView .tut-flow-msg { font-size: 12.5px; color: var(--tut-ink-2); display: none; }
#tutorialView .tut-flow.has-msg .tut-flow-msg { display: inline; }
#tutorialView .tut-flow-open,
#tutorialView .tut-flow-play {
    display: inline-flex; align-items: center; gap: 6px;
    border: 1px solid var(--tut-line-2); border-radius: 999px; background: var(--tut-paper);
    color: var(--tut-ink); font: inherit; font-size: 12.5px; font-weight: 600; padding: 5px 12px 5px 9px; cursor: pointer;
}
#tutorialView .tut-flow-open svg, #tutorialView .tut-flow-play svg { width: 12px; height: 12px; color: var(--tut-accent); }
#tutorialView .tut-flow-open:hover, #tutorialView .tut-flow-play:hover { border-color: var(--tut-accent); }
@media (max-width: 480px) { #tutorialView .tut-flow-open span { display: none; } }
#tutorialView .tut-flow-scroll { overflow-x: auto; overflow-y: hidden; }
#tutorialView .tut-flow-stage { position: relative; }
#tutorialView .tut-flow-wires { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
#tutorialView .tut-flow-wires path { fill: none; stroke: var(--tut-ink-3); stroke-width: 1.6; }
#tutorialView .tut-flow-wires text { font-size: 10.5px; fill: var(--tut-ink-2); font-family: var(--tut-mono); paint-order: stroke; stroke: var(--tut-paper); stroke-width: 4px; stroke-linejoin: round; }
#tutorialView .tut-flow-wires .port-dot { fill: var(--tut-paper); stroke: var(--tut-ink-3); stroke-width: 1.4; }
#tutorialView .tut-flow-node {
    position: absolute;
    display: flex; align-items: center; gap: 9px;
    border: 1px solid var(--tut-line-2);
    border-left: 4px solid var(--node-color, var(--tut-accent));
    border-radius: 8px;
    background: var(--tut-paper);
    padding: 0 10px 0 8px;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.12));
    font-size: 12.5px; font-weight: 600; line-height: 1.2;
    white-space: nowrap; overflow: hidden;
}
#tutorialView .tut-flow-node .ic {
    flex: 0 0 auto; width: 20px; height: 20px; border-radius: 6px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--node-color, var(--tut-accent));
    background: var(--tut-paper-2);
    font-size: 13px;
}
#tutorialView .tut-flow-node .ic svg { width: 13px; height: 13px; }
#tutorialView .tut-flow-node .lb { overflow: hidden; text-overflow: ellipsis; }
#tutorialView .tut-flow-node .sub { display: block; font-weight: 500; font-size: 11px; color: var(--tut-ink-3); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; }
#tutorialView .tut-flow.is-running .tut-flow-wires path.wire { stroke: var(--tut-accent); stroke-dasharray: 5 5; animation: tut-dash 0.9s linear infinite; }
#tutorialView .tut-flow.is-running .tut-flow-node { animation: tut-node-pulse 1.8s ease-out both; animation-delay: calc(var(--col, 0) * 0.35s); }
@keyframes tut-dash { to { stroke-dashoffset: -20; } }
@keyframes tut-node-pulse {
    0% { box-shadow: 0 0 0 0 var(--tut-tint-2); border-color: var(--tut-line-2); }
    30% { box-shadow: 0 0 0 6px var(--tut-tint-2); border-color: var(--tut-accent); }
    100% { box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.12)); border-color: var(--tut-line-2); }
}
#tutorialView .tut-flow-caption { font-size: 13px; color: var(--tut-ink-2); padding: 10px 4px 0; }

/* ── Generated reference (nodes & connectors) ─────────────────────── */
#tutorialView .tut-ref-toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
#tutorialView .tut-ref-toolbar input {
    flex: 1 1 220px; min-width: 0;
    padding: 8px 12px; border: 1px solid var(--tut-line-2); border-radius: 8px;
    background: var(--tut-paper); color: var(--tut-ink); font: inherit; font-size: 13.5px;
}
#tutorialView .tut-ref-toolbar input:focus { border-color: var(--tut-accent); outline: none; box-shadow: 0 0 0 3px var(--tut-tint); }
#tutorialView .tut-ref-count { font-size: 13px; color: var(--tut-ink-3); font-variant-numeric: tabular-nums; }
#tutorialView .tut-ref-group { margin-top: 26px; }
#tutorialView .tut-ref-group > h3 { display: flex; align-items: baseline; gap: 10px; margin: 0 0 10px; }
#tutorialView .tut-ref-group > h3 small { font-size: 12.5px; color: var(--tut-ink-3); font-weight: 500; font-variant-numeric: tabular-nums; }
#tutorialView .tut-ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 10px; }
#tutorialView details.tut-node {
    border: 1px solid var(--tut-line);
    border-left: 4px solid var(--node-color, var(--tut-accent));
    border-radius: 10px;
    background: var(--tut-paper);
    min-width: 0;
}
#tutorialView details.tut-node[open] { grid-column: 1 / -1; }
#tutorialView details.tut-node summary {
    list-style: none; cursor: pointer;
    display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; align-items: center; gap: 10px;
    padding: 10px 12px;
}
#tutorialView details.tut-node summary::-webkit-details-marker { display: none; }
#tutorialView details.tut-node summary .ic {
    width: 28px; height: 28px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center;
    color: var(--node-color, var(--tut-accent)); background: var(--tut-paper-2); font-size: 15px;
}
#tutorialView details.tut-node summary .ic svg { width: 15px; height: 15px; }
#tutorialView details.tut-node summary .nm { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#tutorialView details.tut-node summary .ds { display: block; font-weight: 400; font-size: 12.5px; color: var(--tut-ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#tutorialView details.tut-node summary .ty { font-family: var(--tut-mono); font-size: 11px; color: var(--tut-ink-3); }
#tutorialView details.tut-node[open] summary .ds, #tutorialView details.tut-node[open] summary .nm { white-space: normal; }
#tutorialView .tut-node-body { padding: 4px 14px 14px 50px; font-size: 14px; }
#tutorialView .tut-node-body > * + * { margin-top: 12px; }
#tutorialView .tut-node-body p { margin: 0; max-width: 72ch; }
#tutorialView .tut-node-sec { font-size: 12.5px; font-weight: 640; color: var(--tut-ink-2); margin-bottom: 6px; }
#tutorialView .tut-ports { display: flex; flex-wrap: wrap; gap: 6px; }
#tutorialView .tut-port { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--tut-line-2); background: var(--tut-paper-2); }
#tutorialView .tut-port i { width: 7px; height: 7px; border-radius: 50%; background: var(--tut-ink-3); }
#tutorialView .tut-port.out i { background: var(--node-color, var(--tut-accent)); }
#tutorialView .tut-port code { font-size: 11px; padding: 0 4px; }
#tutorialView .tut-pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--tut-tint); color: var(--tut-accent); }
#tutorialView .tut-pill svg { width: 12px; height: 12px; }
#tutorialView .tut-ops { margin: 0; padding-left: 18px; columns: 2; column-gap: 24px; }
#tutorialView .tut-ops li { break-inside: avoid; font-size: 13.5px; margin: 0 0 4px; }
#tutorialView .tut-ops li span { color: var(--tut-ink-2); }
#tutorialView .tut-empty { color: var(--tut-ink-2); font-size: 14px; padding: 14px; border: 1px dashed var(--tut-line-2); border-radius: 10px; }

/* ── Lesson footer ─────────────────────────────────────────────────── */
#tutorialView .tut-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--tut-line); max-width: 820px; }
#tutorialView .tut-foot-link {
    display: grid; gap: 2px;
    padding: 12px 14px;
    border: 1px solid var(--tut-line); border-radius: 12px; background: var(--tut-paper);
    color: var(--tut-ink); text-align: left; font: inherit; cursor: pointer; min-width: 0;
}
#tutorialView .tut-foot-link:hover { border-color: var(--tut-accent); background: var(--tut-tint); }
#tutorialView .tut-foot-link.next { text-align: right; }
#tutorialView .tut-foot-link small { font-size: 12px; color: var(--tut-ink-3); }
#tutorialView .tut-foot-link span { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#tutorialView .tut-foot-link:disabled, #tutorialView .tut-foot-link[aria-disabled="true"] { visibility: hidden; }

/* ── Search results ────────────────────────────────────────────────── */
#tutorialView .tut-results-head { font-size: 13px; color: var(--tut-ink-2); margin-bottom: 14px; }
#tutorialView .tut-result {
    display: block; width: 100%; text-align: left;
    padding: 12px 14px; border: 1px solid var(--tut-line); border-radius: 10px; background: var(--tut-paper);
    color: var(--tut-ink); font: inherit; cursor: pointer;
}
#tutorialView .tut-result + .tut-result { margin-top: 8px; }
#tutorialView .tut-result:hover { border-color: var(--tut-accent); background: var(--tut-tint); }
#tutorialView .tut-result .where { font-size: 12px; color: var(--tut-ink-3); }
#tutorialView .tut-result .what { font-weight: 600; font-size: 14.5px; margin: 2px 0; }
#tutorialView .tut-result .snip { font-size: 13px; color: var(--tut-ink-2); }
#tutorialView mark { background: var(--tut-tint-2); color: inherit; border-radius: 3px; padding: 0 1px; }

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
    #tutorialView .tut-main { padding: 28px 30px 60px; }
}
@media (max-width: 820px) {
    #tutorialView .tut { grid-template-columns: 1fr; }
    #tutorialView .tut-rail { position: static; max-height: none; border-right: 0; border-bottom: 1px solid var(--tut-line); padding: 12px 14px; }
    #tutorialView .tut-rail-head { display: none; }
    #tutorialView .tut-rail-desktop { display: none; }
    #tutorialView .tut-rail-mobile { display: grid; gap: 10px; }
    #tutorialView .tut-pills { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
    #tutorialView .tut-pill-btn {
        flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px;
        padding: 6px 12px; border-radius: 999px; border: 1px solid var(--tut-line-2); background: var(--tut-paper);
        color: var(--tut-ink); font: inherit; font-size: 13px; font-weight: 560; cursor: pointer;
    }
    #tutorialView .tut-pill-btn svg { width: 13px; height: 13px; color: var(--tut-accent); }
    #tutorialView .tut-pill-btn.is-active { background: var(--tut-accent); color: var(--tut-accent-ink); border-color: var(--tut-accent); }
    #tutorialView .tut-pill-btn.is-active svg { color: inherit; }
    #tutorialView .tut-lesson-select { width: 100%; padding: 9px 12px; border: 1px solid var(--tut-line-2); border-radius: 8px; background: var(--tut-paper); color: var(--tut-ink); font: inherit; font-size: 14px; }
    #tutorialView .tut-main { padding: 22px 18px 56px; }
    #tutorialView .tut-title { font-size: 27px; }
    #tutorialView .tut-summary { font-size: 15.5px; }
    #tutorialView .tut-foot { grid-template-columns: 1fr; }
    #tutorialView .tut-foot-link.next { text-align: left; }
    #tutorialView .tut-ops { columns: 1; }
    #tutorialView .tut-kv { grid-template-columns: 1fr; }
    #tutorialView .tut-kv > div.k { border-bottom: 0; padding-bottom: 0; }
    #tutorialView .tut-log-row { grid-template-columns: 1fr; gap: 2px; }
}
@media (prefers-reduced-motion: reduce) {
    #tutorialView .tut-flow.is-running .tut-flow-wires path.wire { animation: none; stroke-dasharray: none; }
    #tutorialView .tut-flow.is-running .tut-flow-node { animation: none; border-color: var(--tut-accent); }
    #tutorialView details.tut-faq summary::before { transition: none; }
}

/* ── connector credential recipe (inside a connector card) ─────────── */
#tutorialView .tut-recipe {
    border: 1px solid var(--tut-line);
    border-radius: 10px;
    background: var(--tut-paper-2);
    padding: 12px 14px 14px;
}
#tutorialView .tut-recipe > * + * { margin-top: 12px; }
#tutorialView .tut-recipe-head { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 640; color: var(--tut-ink); }
#tutorialView .tut-recipe-head svg { width: 14px; height: 14px; color: var(--node-color, var(--tut-accent)); }
#tutorialView .tut-recipe-need { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 16px; font-size: 13.5px; align-items: baseline; }
#tutorialView .tut-recipe-need .k { color: var(--tut-ink-3); font-size: 12.5px; font-weight: 600; }
#tutorialView .tut-recipe-need a { display: inline-flex; align-items: center; gap: 4px; }
#tutorialView .tut-recipe-need a svg { width: 12px; height: 12px; }
#tutorialView .tut-recipe-fields { display: flex; flex-direction: column; gap: 6px; }
#tutorialView .tut-recipe-field { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
#tutorialView .tut-recipe-field .fl { font-weight: 600; }
#tutorialView .tut-recipe-field .fl i { font-style: normal; font-weight: 500; font-size: 11px; color: var(--tut-accent); margin-left: 6px; }
#tutorialView .tut-recipe-field code { font-size: 11.5px; }
#tutorialView .tut-recipe-field .fh { flex-basis: 100%; font-size: 12.5px; color: var(--tut-ink-2); max-width: 72ch; }
#tutorialView .tut-recipe-steps { background: var(--tut-paper); border: 1px solid var(--tut-line); border-radius: 8px; padding: 12px 14px; max-width: none; }
#tutorialView .tut-recipe .tut-aside { margin: 0; }
@media (max-width: 820px) {
    #tutorialView .tut-recipe-need { grid-template-columns: 1fr; gap: 2px; }
    #tutorialView .tut-recipe-need .k { margin-top: 6px; }
}