/* Tool Library (docs/tool-library-spec.md, section 6). All values come from tokens.css; chips and corners are 3px. */
.tl-page { max-width: 1240px; margin: 0 auto; }
.tl-page h1 { max-width: none; text-wrap: balance; }
.tl-page .lead { max-width: none; font-size: 1.125rem; line-height: 1.55; text-wrap: pretty; }
.tl-kicker { margin: 0 0 var(--space-2); font: var(--type-label); letter-spacing: var(--type-label-tracking); text-transform: uppercase; color: var(--text-secondary); }
.tl-crumb { margin: 0 0 var(--space-4); font: var(--type-small); color: var(--text-secondary); }
.tl-crumb a { color: inherit; }
.tl-credit { margin: var(--space-8) 0 0; color: var(--text-secondary); font: italic 400 15px/22px var(--font-display); }

/* view switch (shown once the walk-through ships) */
.tl-views { display: inline-flex; margin-top: var(--space-4); border: 1px solid var(--border-strong); border-radius: var(--radius-ui); overflow: hidden; }
.tl-view { padding: 8px 14px; text-decoration: none; font: 600 14px/20px var(--font-ui); color: var(--text-secondary); }
.tl-view[aria-current="page"] { background: var(--text-primary); color: var(--surface-page); }

/* search bar */
.tl-bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-top: var(--space-6); }
.tl-search { position: relative; display: flex; align-items: center; flex: 1 1 320px; min-width: 0; color: var(--text-secondary); }
.tl-search > svg { position: absolute; left: 12px; pointer-events: none; }
.tl-search-in { width: 100%; min-height: var(--control-h); padding: 10px 76px 10px 40px; border: 1px solid var(--border-strong); border-radius: var(--radius-ui); background: var(--surface-card); color: var(--text-primary); font: var(--type-body); font-size: 1.0625rem; -webkit-appearance: none; appearance: none; }
.tl-search-in::-webkit-search-cancel-button { display: none; }
.tl-search-in:focus-visible { outline: var(--focus-width) solid var(--focus-ring); outline-offset: var(--focus-offset); }
.tl-search-clear { position: absolute; right: 40px; display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 0; border-radius: var(--radius-ui); background: transparent; color: var(--text-secondary); cursor: pointer; }
.tl-search-clear:hover { background: var(--surface-raised); color: var(--text-primary); }
.tl-kbd { position: absolute; right: 10px; padding: 1px 6px; border: 1px solid var(--border-strong); border-radius: var(--radius-ui); font: var(--type-keycap); color: var(--text-secondary); }
.tl-sort { display: inline-flex; align-items: center; gap: var(--space-2); font: var(--type-small); font-weight: 600; color: var(--text-secondary); }
.tl-select { min-height: var(--control-h); padding: 0 var(--space-3); border: 1px solid var(--border-strong); border-radius: var(--radius-ui); background: var(--surface-card); color: var(--text-primary); font: 600 14px/20px var(--font-ui); }
.tl-count { margin: var(--space-3) 0 0; font: var(--type-small); color: var(--text-secondary); }

/* buttons */
.tl-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: var(--control-h); padding: 0 var(--space-4); border: 1px solid var(--border-strong); border-radius: var(--radius-ui); background: transparent; color: var(--text-primary); text-decoration: none; font: 600 14px/20px var(--font-ui); cursor: pointer; transition: background var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease); }
.tl-btn:hover { background: var(--surface-raised); }
.tl-btn:disabled { color: var(--text-disabled); cursor: not-allowed; }
.tl-btn-main { border-color: var(--text-primary); background: var(--text-primary); color: var(--surface-page); }
.tl-btn-main:hover { background: color-mix(in srgb, var(--text-primary) 85%, var(--surface-page)); }
.tl-btn-own { border-color: var(--amber); background: var(--amber); color: var(--midnight); }
.tl-btn-own:hover { background: color-mix(in srgb, var(--amber) 85%, var(--chart-white)); }
.tl-btn-quiet { border-color: var(--border-strong); }
.tl-btn-big { min-height: 48px; padding: 0 var(--space-5); font-size: 15px; }
.tl-link { padding: 0; border: 0; background: none; color: inherit; font: inherit; text-align: left; text-decoration: none; cursor: pointer; }
.tl-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.tl-link .ext { vertical-align: -2px; margin-left: 4px; color: var(--text-secondary); }
mark { background: color-mix(in srgb, var(--amber) 45%, transparent); color: inherit; border-radius: 2px; padding: 0 1px; }

/* filters */
.tl-ftoggle[aria-expanded="true"] { background: var(--surface-raised); }
.tl-filters { display: grid; gap: var(--space-3); margin-top: var(--space-4); padding: var(--space-4); border: 1px solid var(--border-subtle); border-radius: var(--radius-ui); background: var(--surface-card); }
.tl-fgroup { display: grid; grid-template-columns: 9rem 1fr; gap: var(--space-2) var(--space-3); align-items: start; }
.tl-ftitle { font: var(--type-label); letter-spacing: var(--type-label-tracking); text-transform: uppercase; color: var(--text-secondary); padding-top: 7px; }
.tl-fchips { display: flex; flex-wrap: wrap; gap: 6px; }
.tl-fchip { display: inline-flex; align-items: center; gap: 6px; min-height: 30px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: var(--radius-ui); background: transparent; color: var(--text-primary); font: 500 13px/18px var(--font-ui); cursor: pointer; transition: background var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease); }
.tl-fchip:hover { background: var(--surface-raised); }
.tl-fchip[aria-pressed="true"] { background: var(--text-primary); border-color: var(--text-primary); color: var(--surface-page); }
.tl-fn { font: var(--type-keycap); color: var(--text-secondary); }
.tl-fchip[aria-pressed="true"] .tl-fn { color: color-mix(in srgb, var(--surface-page) 75%, transparent); }
.tl-fclear { justify-self: start; }
@media (max-width: 700px) { .tl-fgroup { grid-template-columns: 1fr; } .tl-ftitle { padding-top: 0; } }

/* the grid */
.tl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: var(--space-5); align-items: stretch; margin-top: var(--space-4); }
.tl-cell { display: flex; min-width: 0; }
.tl-tile { --edge: var(--border-subtle); display: flex; flex-direction: column; flex: 1; min-width: 0; border: 1px solid var(--edge); border-radius: var(--radius-ui); background: var(--surface-card); overflow: hidden; transition: border-color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease); }
.tl-tile:focus-within { border-color: var(--text-secondary); }
html[data-motion="full"] .tl-tile:hover { transform: translateY(-2px); box-shadow: 0 8px 24px -12px color-mix(in srgb, var(--midnight) 40%, transparent); }
.tl-tile-shot { position: relative; display: block; width: 100%; padding: 0; border: 0; border-bottom: 1px solid var(--border-subtle); background: var(--surface-raised); cursor: pointer; overflow: hidden; }
.tl-tile-shot:focus-visible { outline: var(--focus-width) solid var(--focus-ring); outline-offset: -4px; }
.tl-shot { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; background: var(--shot, var(--surface-raised)); }
.tl-shot-gen { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--chart-white); background: var(--shot, var(--midnight)); font: 600 15px/20px var(--font-ui); }
.tl-shot-gen b { font: var(--type-numeral); letter-spacing: .04em; }
.tl-tile-logo { position: absolute; left: 12px; bottom: 12px; width: 44px; height: 44px; border-radius: var(--radius-ui); background: var(--surface-logo); padding: 4px; box-shadow: 0 2px 10px -2px color-mix(in srgb, var(--midnight) 60%, transparent); }
.tl-tile-body { display: flex; flex-direction: column; flex: 1; gap: var(--space-2); padding: var(--space-4); }
.tl-tile-name { margin: 0; font: 700 19px/26px var(--font-ui); text-wrap: balance; }
.tl-tile-by { margin: 0; font: var(--type-small); color: var(--text-secondary); }
.tl-tile-tag { margin: 0; font: italic 400 15px/22px var(--font-display); text-wrap: pretty; }
.tl-tile-go { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: auto; padding-top: var(--space-2); }
.tl-tile-go .hu-bm-wrap { margin-left: auto; }

/* chips and badges: 3px rectangles */
.tl-chips, .tl-badges { list-style: none; margin: 0; padding: 0; }
.tl-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.tl-chip { padding: 2px 7px; border: 1px solid var(--border-strong); border-radius: var(--radius-ui); font: var(--type-keycap); font-family: var(--font-ui); font-weight: 600; letter-spacing: .02em; color: var(--text-secondary); }
.tl-chip[data-k="prox"] { border-color: color-mix(in srgb, var(--cobalt) 50%, var(--border-strong)); color: var(--cobalt); }
.tl-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.tl-badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 7px 2px 5px; border-radius: var(--radius-ui); background: color-mix(in srgb, var(--verde) 14%, transparent); color: color-mix(in srgb, var(--verde) 70%, var(--text-primary)); font: 600 12px/16px var(--font-ui); }

/* the family's own tools: Midnight fill, a thin Amber edge, the logo on the shot */
.tl-tile[data-kind="own"] { --edge: var(--amber); background: var(--midnight); color: var(--chart-white); border-width: 1px; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--amber) 35%, transparent); }
.tl-tile[data-kind="own"] .tl-tile-shot { border-bottom-color: color-mix(in srgb, var(--amber) 40%, transparent); }
.tl-tile[data-kind="own"] .tl-tile-by { color: var(--amber); font-weight: 600; }
.tl-tile[data-kind="own"] .tl-tile-tag { color: color-mix(in srgb, var(--chart-white) 85%, var(--midnight)); }
.tl-tile[data-kind="own"] .tl-chip { border-color: color-mix(in srgb, var(--chart-white) 30%, transparent); color: color-mix(in srgb, var(--chart-white) 80%, transparent); }
.tl-tile[data-kind="own"] .tl-chip[data-k="prox"] { border-color: color-mix(in srgb, var(--sky) 60%, transparent); color: var(--sky); }
.tl-tile[data-kind="own"] .tl-badge { background: color-mix(in srgb, var(--verde) 30%, transparent); color: var(--chart-white); }
.tl-tile[data-kind="own"] .tl-btn-quiet { border-color: color-mix(in srgb, var(--chart-white) 35%, transparent); color: var(--chart-white); }
.tl-tile[data-kind="own"] .tl-btn-quiet:hover { background: color-mix(in srgb, var(--chart-white) 12%, transparent); }
.tl-tile[data-kind="own"] .hu-bm { color: var(--chart-white); border-color: color-mix(in srgb, var(--chart-white) 35%, transparent); }
.tl-tile[data-kind="own"] mark { background: color-mix(in srgb, var(--amber) 55%, transparent); }
html[data-motion="full"] .tl-tile[data-kind="own"]:hover { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--amber) 55%, transparent), 0 10px 28px -12px color-mix(in srgb, var(--amber) 55%, transparent); }
:root[data-theme="dark"] .tl-tile[data-kind="own"] { background: color-mix(in srgb, var(--midnight) 70%, var(--ink-1)); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .tl-tile[data-kind="own"] { background: color-mix(in srgb, var(--midnight) 70%, var(--ink-1)); } }

/* module lists: the first two show, the rest fade behind "Show all" so tiles keep about one height */
.tl-mods-head { margin: var(--space-1) 0 0; font: var(--type-label); letter-spacing: var(--type-label-tracking); text-transform: uppercase; color: var(--text-secondary); }
.tl-mods { position: relative; }
.tl-mod-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.tl-mod-list li { display: grid; gap: 1px; padding: 6px 0; border-top: 1px solid var(--border-subtle); font: 600 14px/20px var(--font-ui); }
.tl-mod-name { color: inherit; }
.tl-mod-name .ext { vertical-align: -2px; margin-left: 4px; color: var(--text-secondary); }
.tl-mod-tag { font: italic 400 13px/18px var(--font-display); color: var(--text-secondary); }
.tl-mods-folded .tl-mod-list { max-height: 112px; overflow: hidden; -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent 100%); mask-image: linear-gradient(to bottom, #000 55%, transparent 100%); }
.tl-mods-more { display: block; margin: -6px 0 0; padding: 4px 0; border: 0; background: none; color: var(--text-primary); font: 600 13px/18px var(--font-ui); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.tl-tile[data-kind="own"] .tl-mods-head, .tl-tile[data-kind="own"] .tl-mod-tag { color: color-mix(in srgb, var(--chart-white) 75%, transparent); }
.tl-tile[data-kind="own"] .tl-mod-list li { border-top-color: color-mix(in srgb, var(--chart-white) 18%, transparent); }
.tl-tile[data-kind="own"] .tl-mods-more { color: var(--amber); }
.tl-tile[data-kind="own"] .tl-mod-name .ext { color: color-mix(in srgb, var(--chart-white) 60%, transparent); }
.tl-detail-left { display: grid; gap: var(--space-4); align-content: start; }
.tl-detail-mods h3 { margin: 0 0 var(--space-2); font: var(--type-label); letter-spacing: var(--type-label-tracking); text-transform: uppercase; color: var(--text-secondary); }
.tl-staff { position: relative; }
.tl-staff-tag { display: inline-block; margin-left: 6px; padding: 0 5px; border: 1px solid var(--amber); border-radius: var(--radius-ui); font: var(--type-keycap); letter-spacing: 0; text-transform: none; color: var(--text-secondary); vertical-align: middle; }
.tl-meta { margin: 0; font: var(--type-small); color: var(--text-secondary); }

/* suite tile: four shots in a mosaic and the matching modules */
.tl-mosaic { display: grid; grid-template-columns: 1fr 1fr; aspect-ratio: 16 / 10; }
.tl-mosaic .tl-shot { aspect-ratio: auto; height: 100%; }
.tl-mosaic .tl-shot:only-child { grid-column: span 2; }


.tl-empty { grid-column: 1 / -1; padding: var(--space-6); border: 1px dashed var(--border-strong); border-radius: var(--radius-ui); color: var(--text-secondary); }
.tl-empty p { margin: 0 0 var(--space-2); }
.tl-empty .tl-link { color: var(--text-primary); text-decoration: underline; text-underline-offset: 3px; }

/* the note folds */
.tl-note { margin-top: var(--space-8); max-width: 72ch; border: 1px solid var(--border-subtle); border-radius: var(--radius-ui); background: var(--surface-card); }
.tl-note summary { padding: var(--space-3) var(--space-4); cursor: pointer; font: 600 14px/20px var(--font-ui); list-style: none; }
.tl-note summary::-webkit-details-marker { display: none; }
.tl-note summary::after { content: 'Hide'; float: right; color: var(--text-secondary); font-weight: 500; }
.tl-note:not([open]) summary::after { content: 'Show'; }
.tl-note p { margin: 0; padding: 0 var(--space-4) var(--space-4); color: var(--text-secondary); font: var(--type-small); line-height: 1.5; }

/* detail: dialog and page */
.tl-dialog { width: min(1000px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); margin: auto; padding: 0; border: 1px solid var(--border-strong); border-radius: var(--radius-ui); background: var(--surface-card); color: var(--text-primary); overflow: auto; }
.tl-dialog::backdrop { background: color-mix(in srgb, var(--midnight) 55%, transparent); }
html[data-motion="full"] .tl-dialog[open] { animation: tl-in 220ms var(--ease) both; }
@keyframes tl-in { from { opacity: 0; transform: translateY(8px); } }
.tl-detail { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: var(--space-5); padding: var(--space-5); }
.tl-detail-page { padding: 0; }
@media (max-width: 900px) { .tl-detail { grid-template-columns: 1fr; } }
.tl-detail-close { position: absolute; top: 8px; right: 8px; z-index: 1; display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--border-strong); border-radius: var(--radius-ui); background: var(--surface-card); color: var(--text-primary); cursor: pointer; }
.tl-detail-shot { position: relative; border: 1px solid var(--border-subtle); border-radius: var(--radius-ui); overflow: hidden; background: var(--surface-raised); }
.tl-detail-shot .tl-shot { object-position: top left; }
.tl-detail-logo { position: absolute; left: 14px; bottom: 14px; width: 64px; height: 64px; border-radius: var(--radius-ui); background: var(--surface-logo); padding: 6px; }
.tl-detail[data-kind="own"] .tl-detail-shot { border-color: var(--amber); box-shadow: 0 0 0 1px color-mix(in srgb, var(--amber) 35%, transparent); }
.tl-detail-body { display: grid; gap: var(--space-3); align-content: start; min-width: 0; }
.tl-detail-name { margin: 0; font: var(--type-h1); letter-spacing: var(--type-h1-tracking); text-wrap: balance; }
h2.tl-detail-name { font: var(--type-h2); }
.tl-detail-tag { margin: 0; font: italic 400 18px/26px var(--font-display); text-wrap: pretty; }
.tl-detail-by { margin: 0; color: var(--text-secondary); }
.tl-detail-by b { color: var(--text-primary); font-weight: 600; }
.tl-detail-by a { color: inherit; }
.tl-detail-by .ext, .tl-why .ext, .tl-detail-stores .ext { vertical-align: -3px; margin-left: 2px; }
.tl-detail-go { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin: var(--space-2) 0 0; }
.tl-host { font: 400 13px/18px var(--font-code); color: var(--text-secondary); overflow-wrap: anywhere; }
.tl-detail-stores { display: flex; gap: var(--space-4); margin: 0; font: 600 14px/20px var(--font-ui); }
.tl-detail-stores a { color: inherit; }
.tl-detail-sum { margin: 0; text-wrap: pretty; }
.tl-detail-sec { display: grid; gap: 4px; }
.tl-detail-sec h3 { margin: 0; font: var(--type-label); letter-spacing: var(--type-label-tracking); text-transform: uppercase; color: var(--text-secondary); }
.tl-detail-sec p { margin: 0; text-wrap: pretty; }
.tl-why { margin: 0; padding: 0 0 0 1.1em; font: var(--type-small); color: var(--text-secondary); }
.tl-why a { color: inherit; }
.tl-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-3); margin: 0; padding: var(--space-3); border: 1px solid var(--border-subtle); border-radius: var(--radius-ui); background: var(--surface-raised); font: var(--type-small); }
.tl-facts div { display: grid; gap: 2px; min-width: 0; }
.tl-facts dt { font: var(--type-label); letter-spacing: var(--type-label-tracking); text-transform: uppercase; color: var(--text-secondary); }
.tl-facts dd { margin: 0; }
.tl-caution { margin: 0; padding: var(--space-3); border-left: var(--stroke-indicator) solid var(--amber); background: color-mix(in srgb, var(--amber) 10%, transparent); font: var(--type-small); line-height: 1.5; }
.tl-detail-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); padding-top: var(--space-2); border-top: 1px solid var(--border-subtle); }

/* suggestion form */
.tl-suggest { display: grid; gap: var(--space-3); padding: var(--space-5); }
.tl-suggest h2 { margin: 0; font: var(--type-h2); }
.tl-suggest-lead { margin: 0; color: var(--text-secondary); text-wrap: pretty; }
.tl-f { display: grid; gap: 4px; font: var(--type-small); font-weight: 600; }
.tl-in { display: block; width: 100%; min-height: var(--control-h); padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: var(--radius-ui); background: var(--surface-page); color: var(--text-primary); font: var(--type-body); }
textarea.tl-in { resize: vertical; }
.tl-fieldset { margin: 0; padding: 0; border: 0; }
.tl-fieldset legend { padding: 0; margin-bottom: 4px; }
.tl-fieldset label { display: inline-flex; align-items: center; gap: 6px; margin-right: var(--space-4); font-weight: 400; }
.tl-suggest-h { margin: var(--space-2) 0 0; font: var(--type-h3); }
.tl-checks { display: flex; flex-wrap: wrap; gap: 4px 14px; }
.tl-checks label, .tl-check { display: inline-flex; align-items: center; gap: 6px; font: var(--type-small); font-weight: 400; }
.tl-check-owner { font-weight: 600; }
.tl-f-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-3); align-items: end; }
.tl-small { margin: 0; font: var(--type-small); color: var(--text-secondary); }
.tl-dialog-sm { width: min(680px, calc(100vw - 32px)); }
.tl-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.tl-msg { margin: 0; padding: var(--space-3); border-left: var(--stroke-indicator) solid var(--signal-red); background: color-mix(in srgb, var(--signal-red) 8%, transparent); font: var(--type-small); }
.tl-suggest-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.acct-captcha { min-height: 65px; }

/* motion tiers */
html[data-motion="static"] .tl-tile, html[data-motion="static"] .tl-btn, html[data-motion="static"] .tl-fchip { transition: none; }
html[data-motion="lite"] .tl-tile { transition: border-color var(--duration-fast) var(--ease); }

@media (max-width: 600px) {
  .tl-bar { gap: var(--space-2); }
  .tl-search { flex-basis: 100%; }
  .tl-kbd { display: none; }
  .tl-search-in { padding-right: 44px; }
  .tl-search-clear { right: 6px; }
  .tl-grid { gap: var(--space-4); }
  .tl-detail { padding: var(--space-4); }
}

.tl-c-intro2echo{--shot:#BDBFBF}
.tl-c-angioview{--shot:#272729}
.tl-c-learncoronary{--shot:#434B4F}
.tl-c-cathpan{--shot:#ACAFB3}
.tl-c-cathsim{--shot:#D1D4D8}
.tl-c-mioatlas{--shot:#1F1C21}
.tl-c-ecg-sweep{--shot:#F3EEEF}
.tl-c-echoworkflows{--shot:#141913}
.tl-c-ventriculus-ecg{--shot:#D4CBCD}
.tl-c-cardiomechanics{--shot:#F9F7F2}
.tl-c-nmcsn-shock-staging{--shot:#E1DED9}
.tl-c-prostate-cvd-triage{--shot:#F2F0F1}
.tl-c-ddxschemas-rhc{--shot:#F5F6F8}
.tl-c-bedside-reference{--shot:#F1F1EF}
.tl-c-cardiorender-congenital{--shot:#F5F4EF}
.tl-c-cardiorender-mechanics{--shot:#F1F1EE}
.tl-c-cardiorender-electricity-to-ecg{--shot:#D7D8DA}
.tl-c-cardiorender-ecg-anatomy{--shot:#EEEAE4}
.tl-c-cardiorender-electrode-to-ecg{--shot:#968C8D}
.tl-c-cardiorender-pacemaker{--shot:#EBE4E0}
.tl-c-cardiorender-ultrasound-doppler{--shot:#F3F4F3}
.tl-c-cardiorender-stemi{--shot:#645362}
.tl-c-cardiorender-einthoven{--shot:#F3F6F7}
.tl-c-cardiorender-rhythm{--shot:#776E71}
.tl-c-cathmath-rhc{--shot:#282B34}
.tl-c-cathmath-hemodynamics{--shot:#1A1E29}
.tl-c-cathmath-pvloop{--shot:#1B1E25}
.tl-c-cathmath-ekg{--shot:#25272D}
.tl-c-cathmath-embryology{--shot:#0F1624}
.tl-c-cathmath-action-potential{--shot:#202532}
.tl-c-cathmath-echocalc{--shot:#1C1D27}
.tl-c-cathmath-angio{--shot:#1A202C}
.tl-c-cathmath-intracoronary{--shot:#161B25}
.tl-c-cathmath-pressors{--shot:#1A1F2D}
.tl-c-depolarize{--shot:#0E1518}
.tl-c-vadpath{--shot:#161C2B}
.tl-c-cardiacwindow{--shot:#13171A}
.tl-c-ejectionpoint{--shot:#EFEEEA}
.tl-c-truelumen{--shot:#343435}
.tl-c-anesthbeta-tee{--shot:#22222A}
.tl-c-nrp-sim-lite{--shot:#F4F8F9}
.tl-c-sistole{--shot:#CACCCC}
.tl-c-cctcore{--shot:#F9F9F9}
.tl-c-simvt{--shot:#EFE7E5}
.tl-c-ascvd{--shot:#E1E4EB}
.tl-c-stressingwisely{--shot:#E8EAF0}
.tl-c-tablemanners{--shot:#464C55}
.tl-c-heartgram{--shot:#ACAFB6}
.tl-c-troponin{--shot:#E3E5EC}
.tl-c-eureka{--shot:#E0E3EB}
.tl-c-gdmt{--shot:#E2E5EB}
.tl-c-diurese{--shot:#BEC4C9}
.tl-c-swanology{--shot:#E3E3EB}
.tl-c-cardsonc{--shot:#E2E4E5}
.tl-c-cardioob{--shot:#DADDE6}
.tl-c-findinghemo{--shot:#DFE2EA}
.tl-c-musicoftheheart{--shot:#757274}
.tl-c-pulmonary-pocus{--shot:#B9B9BA}
.tl-c-resusbuddy{--shot:#0E131D}

/* The walk-through page: the 3D canvas and the DOM around it, and the tour in stills. */
body[data-page="walk"] main { max-width: none; padding: 0; }
.wk-wait { min-height: 50vh; display: grid; place-content: center; gap: var(--space-3); text-align: center; padding: var(--space-6); }
.wk { position: relative; height: calc(100dvh - var(--hu-hdr-h, 56px) - 44px); min-height: 480px; background: #dfe6f2; overflow: hidden; }
.wk-canvas { display: block; width: 100%; height: 100%; outline: none; cursor: crosshair; }
.wk-locked .wk-canvas { cursor: none; }
.wk-crosshair { position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; margin: -5px 0 0 -5px; border: 2px solid rgba(252,252,253,0.9); border-radius: 50%; box-shadow: 0 0 0 1px rgba(20,42,99,0.6); pointer-events: none; opacity: 0; }
.wk-locked .wk-crosshair { opacity: 1; }
.wk-kicker { display: block; font: var(--type-label); letter-spacing: var(--type-label-tracking); text-transform: uppercase; opacity: 0.8; }
.wk-top { position: absolute; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); padding: var(--space-3); pointer-events: none; }
.wk-room { max-width: 440px; padding: 10px 14px; background: rgba(20,42,99,0.86); color: var(--chart-white); border-radius: var(--radius-ui); pointer-events: auto; }
.wk-room b { display: block; font: 700 20px/26px var(--font-ui); }
.wk-blurb { display: block; margin-top: 4px; font: italic 400 14px/20px var(--font-display); opacity: 0.9; }
.wk-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; pointer-events: auto; }
.wk-btn { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 12px; border: 1px solid rgba(252,252,253,0.3); border-radius: var(--radius-ui); background: rgba(20,42,99,0.86); color: var(--chart-white); text-decoration: none; font: 600 13px/18px var(--font-ui); cursor: pointer; }
.wk-btn:hover, .wk-btn[aria-pressed="true"] { background: var(--midnight); border-color: var(--amber); }
.wk-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.wk kbd { padding: 0 5px; border: 1px solid rgba(252,252,253,0.4); border-radius: var(--radius-ui); font: var(--type-keycap); color: inherit; }
.wk-aim { position: absolute; left: 50%; bottom: 18%; transform: translateX(-50%); padding: 8px 14px; background: rgba(20,42,99,0.9); color: var(--chart-white); border-radius: var(--radius-ui); font: var(--type-small); white-space: nowrap; pointer-events: none; }
.wk-aim b { font: 700 15px/20px var(--font-ui); margin-right: 8px; }
.wk-enter { position: absolute; left: 50%; bottom: 8%; transform: translateX(-50%); display: grid; gap: 4px; padding: 12px 20px; border: 1px solid var(--amber); border-radius: var(--radius-ui); background: rgba(20,42,99,0.92); color: var(--chart-white); font: 700 16px/22px var(--font-ui); text-align: center; cursor: pointer; }
.wk-enter span { font: 400 13px/18px var(--font-ui); opacity: 0.85; }
.wk-help, .wk-map, .wk-rooms { position: absolute; background: var(--surface-card); color: var(--text-primary); border: 1px solid var(--border-strong); border-radius: var(--radius-ui); padding: var(--space-4); box-shadow: 0 12px 40px -16px rgba(20,42,99,0.6); }
.wk-help { right: var(--space-3); top: 64px; width: min(360px, calc(100% - 24px)); }
.wk-help h2 { margin: 0 0 var(--space-2); font: var(--type-h3); }
.wk-help ul { margin: 0; padding-left: 1.1em; font: var(--type-small); line-height: 1.5; }
.wk-help li { margin-bottom: 6px; }
.wk-help kbd, .wk-rooms kbd { border-color: var(--border-strong); }
.wk-small { margin: var(--space-3) 0 0; font: var(--type-small); color: var(--text-secondary); }
.wk-x { position: absolute; top: 6px; right: 6px; width: 32px; height: 32px; border: 0; border-radius: var(--radius-ui); background: transparent; color: var(--text-secondary); font: 400 22px/1 var(--font-ui); cursor: pointer; }
.wk-x:hover { background: var(--surface-raised); }
.wk-map { left: var(--space-3); bottom: var(--space-3); }
.wk-map svg { display: block; }
.wk-map-room rect { fill: var(--surface-raised); stroke: var(--text-secondary); stroke-width: 0.8; cursor: pointer; }
.wk-map-room.here rect { fill: color-mix(in srgb, var(--amber) 40%, var(--surface-raised)); stroke: var(--midnight); }
.wk-map-room text { font: 600 6px var(--font-ui); fill: var(--text-primary); pointer-events: none; }
.wk-map-me { fill: var(--signal-red); }
.wk-rooms { left: var(--space-3); top: 64px; width: min(360px, calc(100% - 24px)); max-height: calc(100% - 80px); overflow: auto; }
.wk-rooms details { border-top: 1px solid var(--border-subtle); padding: 6px 0; }
.wk-rooms summary { display: flex; align-items: center; justify-content: space-between; cursor: pointer; font: 600 15px/22px var(--font-ui); }
.wk-rooms ul { margin: 4px 0 0; padding-left: 1em; font: var(--type-small); line-height: 1.6; }
.wk-go { min-height: 28px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: var(--radius-ui); background: transparent; color: inherit; font: 600 12px/16px var(--font-ui); cursor: pointer; }
.wk-own { margin-left: 6px; padding: 0 5px; border: 1px solid var(--amber); border-radius: var(--radius-ui); font: var(--type-keycap); color: var(--text-secondary); }
.wk-caption { position: absolute; left: 50%; bottom: var(--space-4); transform: translateX(-50%); width: min(640px, calc(100% - 24px)); padding: var(--space-3) var(--space-4); background: rgba(20,42,99,0.92); color: var(--chart-white); border-radius: var(--radius-ui); }
.wk-caption p { margin: 4px 0 var(--space-2); font: italic 400 17px/24px var(--font-display); }
.wk-caption-actions { display: flex; gap: 6px; }
.wk-credit { margin: var(--space-4) var(--space-4) var(--space-6); color: var(--text-secondary); font: italic 400 15px/22px var(--font-display); }

/* the tour in stills */
.st { max-width: 1100px; margin: 0 auto; padding: 0 var(--space-4); }
.st-reason { margin: var(--space-4) 0 0; padding: var(--space-3); border-left: var(--stroke-indicator) solid var(--amber); background: color-mix(in srgb, var(--amber) 10%, transparent); font: var(--type-small); }
.st-head { margin-top: var(--space-5); }
.st-head h1 { margin: 2px 0 4px; font: var(--type-h1); }
.st-head p { margin: 0; font: italic 400 17px/24px var(--font-display); color: var(--text-secondary); }
.st-stage { margin-top: var(--space-4); transition: opacity 150ms linear; }
.st-fade { opacity: 0; }
.st-still { position: relative; width: 100%; overflow: hidden; border-radius: var(--radius-ui); border: 1px solid var(--border-subtle); background: #dfe6f2; }
.st-still > img { display: block; width: 100%; height: auto; }
.st-card { position: absolute; display: grid; gap: 2px; width: var(--w, 18%); padding: 0; border: 2px solid var(--chart-white); border-radius: var(--radius-ui); background: var(--chart-white); box-shadow: 0 6px 18px -8px rgba(20,42,99,0.7); transform: translate(-50%, -50%); cursor: pointer; }
.st-card[data-kind="own"] { border-color: var(--amber); background: var(--midnight); }
.st-card img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; }
.st-card b { padding: 2px 6px; font: 700 12px/16px var(--font-ui); color: var(--midnight); text-align: left; }
.st-card[data-kind="own"] b { color: var(--amber); }
.st-plain { padding: var(--space-5); border: 1px dashed var(--border-strong); border-radius: var(--radius-ui); }
.st-blurb { margin: 0; font: italic 400 17px/26px var(--font-display); }
.st-list { list-style: none; margin: var(--space-4) 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: var(--space-2); }
.st-item { display: flex; align-items: center; gap: var(--space-3); width: 100%; padding: 8px; border: 1px solid var(--border-subtle); border-radius: var(--radius-ui); background: var(--surface-card); color: inherit; text-align: left; cursor: pointer; }
.st-item:hover { border-color: var(--text-secondary); }
.st-item img { width: 96px; height: 60px; object-fit: cover; object-position: top left; border-radius: var(--radius-ui); flex: none; }
.st-item span { display: grid; min-width: 0; }
.st-item b { font: 700 15px/20px var(--font-ui); }
.st-item i { font: italic 400 13px/18px var(--font-display); color: var(--text-secondary); }
.st-list li[data-kind="own"] .st-item { background: var(--midnight); color: var(--chart-white); border-color: var(--amber); }
.st-list li[data-kind="own"] .st-item i { color: color-mix(in srgb, var(--chart-white) 80%, transparent); }
.st-empty { color: var(--text-secondary); font: var(--type-small); }
.st-nav { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin: var(--space-5) 0; }
.st-dots { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; }
.st-dots button { width: 12px; height: 12px; padding: 0; border: 1px solid var(--text-secondary); border-radius: 50%; background: transparent; cursor: pointer; }
.st-dots button[aria-current="step"] { background: var(--midnight); border-color: var(--midnight); }
html[data-motion="static"] .st-stage { transition: none; }
@media (max-width: 600px) { .wk-top { flex-direction: column; } .wk-actions { justify-content: flex-start; } .wk-help { top: auto; bottom: var(--space-3); } }

.st-c-lobby-musicoftheheart{left:81.04%;top:45.73%;--w:15.16%}
.st-c-cath-lab-tablemanners{left:54.41%;top:45.45%;--w:10.67%}
.st-c-cath-lab-heartgram{left:57.73%;top:45.28%;--w:8.10%}
.st-c-cath-lab-swanology{left:33.96%;top:45.26%;--w:7.80%}
.st-c-cath-lab-findinghemo{left:40.41%;top:47.32%;--w:40.60%}
.st-c-cath-lab-angioview{left:46.31%;top:45.26%;--w:7.74%}
.st-c-cath-lab-learncoronary{left:67.31%;top:46.00%;--w:19.46%}
.st-c-cath-lab-cathpan{left:51.52%;top:45.84%;--w:16.89%}
.st-c-cath-lab-cathsim{left:28.66%;top:45.48%;--w:11.23%}
.st-c-cath-lab-ddxschemas-rhc{left:48.75%;top:45.17%;--w:6.30%}
.st-c-cath-lab-cathmath-rhc{left:52.49%;top:45.15%;--w:5.92%}
.st-c-cath-lab-cathmath-hemodynamics{left:25.74%;top:46.03%;--w:19.93%}
.st-c-cath-lab-cathmath-angio{left:66.71%;top:45.46%;--w:10.98%}
.st-c-cath-lab-cathmath-intracoronary{left:44.50%;top:45.20%;--w:6.73%}
.st-c-cath-lab-truelumen{left:53.19%;top:45.25%;--w:7.61%}
.st-c-cath-lab-mioatlas{left:106.44%;top:43.41%;--w:21.85%}
.st-c-reading-room-eureka{left:48.89%;top:45.27%;--w:7.84%}
.st-c-reading-room-intro2echo{left:36.54%;top:45.92%;--w:18.28%}
.st-c-reading-room-echoworkflows{left:58.57%;top:45.34%;--w:8.96%}
.st-c-reading-room-cathmath-echocalc{left:43.03%;top:45.44%;--w:10.60%}
.st-c-reading-room-cardiacwindow{left:59.33%;top:46.39%;--w:25.81%}
.st-c-reading-room-anesthbeta-tee{left:63.79%;top:45.23%;--w:7.22%}
.st-c-reading-room-cctcore{left:52.32%;top:45.17%;--w:6.22%}
.st-c-ecg-ep-mioatlas{left:19.63%;top:45.63%;--w:13.62%}
.st-c-ecg-ep-ecg-sweep{left:47.69%;top:45.13%;--w:5.65%}
.st-c-ecg-ep-ventriculus-ecg{left:44.29%;top:45.19%;--w:6.61%}
.st-c-ecg-ep-cardiorender-electricity-to-ecg{left:42.70%;top:45.41%;--w:10.12%}
.st-c-ecg-ep-cardiorender-ecg-anatomy{left:29.75%;top:45.80%;--w:16.27%}
.st-c-ecg-ep-cardiorender-electrode-to-ecg{left:50.05%;top:45.25%;--w:7.53%}
.st-c-ecg-ep-cardiorender-pacemaker{left:50.72%;top:50.15%;--w:85.75%}
.st-c-ecg-ep-cardiorender-einthoven{left:50.00%;top:45.50%;--w:11.51%}
.st-c-ecg-ep-cardiorender-rhythm{left:39.47%;top:45.28%;--w:7.98%}
.st-c-ecg-ep-cathmath-ekg{left:32.14%;top:45.41%;--w:10.06%}
.st-c-ecg-ep-cathmath-action-potential{left:56.60%;top:45.58%;--w:12.75%}
.st-c-ecg-ep-depolarize{left:53.21%;top:45.37%;--w:9.40%}
.st-c-ecg-ep-simvt{left:44.93%;top:45.71%;--w:14.82%}
.st-c-ecg-ep-cardiorender-stemi{left:66.06%;top:44.29%;--w:7.81%}
.st-c-ed-troponin{left:38.03%;top:45.47%;--w:11.01%}
.st-c-ed-resusbuddy{left:23.99%;top:46.61%;--w:29.21%}
.st-c-ed-cardiorender-stemi{left:50.16%;top:45.82%;--w:16.65%}
.st-c-ed-ejectionpoint{left:48.91%;top:45.25%;--w:7.64%}
.st-c-ed-pulmonary-pocus{left:55.21%;top:45.30%;--w:8.39%}
.st-c-ed-cathmath-ekg{left:85.47%;top:43.42%;--w:21.67%}
.st-c-hf-shock-gdmt{left:28.26%;top:45.91%;--w:18.07%}
.st-c-hf-shock-diurese{left:71.74%;top:45.91%;--w:18.07%}
.st-c-hf-shock-cardiomechanics{left:50.00%;top:46.68%;--w:30.33%}
.st-c-prevention-ascvd{left:63.18%;top:45.46%;--w:10.86%}
.st-c-prevention-stressingwisely{left:61.74%;top:45.93%;--w:18.42%}
.st-c-prevention-bedside-reference{left:88.29%;top:46.79%;--w:32.17%}
.st-c-life-course-cardsonc{left:50.20%;top:45.21%;--w:6.96%}
.st-c-life-course-cardioob{left:42.44%;top:45.34%;--w:9.00%}
.st-c-life-course-prostate-cvd-triage{left:44.45%;top:45.17%;--w:6.35%}
.st-c-life-course-cardiorender-congenital{left:48.92%;top:46.28%;--w:24.02%}
.st-c-life-course-cathmath-embryology{left:100.35%;top:53.76%;--w:143.26%}
.st-c-life-course-nrp-sim-lite{left:44.21%;top:45.60%;--w:13.09%}
.st-c-life-course-ventriculus-ecg{left:93.50%;top:42.98%;--w:28.62%}
.st-c-sim-center-cardiorender-mechanics{left:24.22%;top:46.25%;--w:23.57%}
.st-c-sim-center-cathmath-pvloop{left:50.00%;top:46.25%;--w:23.57%}