/* Short films are optional reading aids. Captions sit outside the diagram. */
.micro-lesson{max-width:850px;min-width:0;margin:28px 0;border:0;border-block:1px solid #dce1e6;border-radius:0;background:transparent;color:#20242b;font-family:var(--font-ui)}
.micro-lesson>summary{display:flex;align-items:center;gap:16px;min-height:72px;padding:16px 0;cursor:pointer;list-style:none}
.micro-lesson>summary::-webkit-details-marker{display:none}
.micro-lesson>summary::marker{content:""}
.micro-lesson>summary:hover .micro-lesson-title{color:#2357a4;text-decoration:underline;text-underline-offset:4px}
.micro-lesson>summary:focus-visible{outline:2px solid #2357a4;outline-offset:5px}
.micro-lesson-icon{display:grid;place-items:center;flex:0 0 30px;width:30px;height:30px;border:1px solid #2357a4;border-radius:2px;color:#2357a4;font-size:11px;line-height:1;padding-left:2px;background:transparent}
.micro-lesson-heading{display:grid;min-width:0;gap:3px}
.micro-lesson-duration{font-size:18px;line-height:1.5;color:#59636e}
.micro-lesson-title{color:#20242b;font-size:var(--type-note);font-weight:600;line-height:1.5}
.micro-lesson-chevron{flex:0 0 13px;margin-left:auto;font-size:19px;color:#59636e;transition:transform .15s ease}
.micro-lesson[open] .micro-lesson-chevron{transform:rotate(180deg)}
.micro-lesson[open]>summary{border-bottom:1px solid #dce1e6}
.micro-lesson-body{padding:20px 0}
.micro-lesson video{display:block;width:100%;max-width:100%;height:auto;aspect-ratio:16/9;background:#111;border-radius:0}
.micro-caption-panel{margin-top:0;padding:8px 16px 14px;border:1px solid #dce1e6;border-top:0;border-radius:0;background:#f7f8fa;color:#20242b}
.micro-caption-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 10px;font-size:var(--type-label);line-height:1.5;color:#59636e}
.micro-speed{display:inline-flex;align-items:center;gap:8px}
.micro-lesson .micro-speed-select{min-height:44px;min-width:88px;margin:0;padding:4px 8px;border:1px solid #b4becb;border-radius:2px;background:#fff;color:#20242b;font:inherit;cursor:pointer}
.micro-lesson .micro-speed-select:focus-visible{outline:2px solid #2357a4;outline-offset:3px}
.micro-caption-label{margin-left:auto}
.micro-lesson .micro-caption-toggle{min-height:44px;min-width:104px;margin:0;padding:7px 10px;border:1px solid #b4becb;border-radius:2px;background:transparent;color:#2357a4;font:inherit;font-weight:600;cursor:pointer}
.micro-lesson .micro-caption-toggle:hover{background:#eef2f7}
.micro-lesson .micro-caption-toggle:focus-visible{outline:2px solid #2357a4;outline-offset:3px}
.micro-caption-region{display:grid;align-items:center;min-block-size:4.5em;font-size:var(--type-note);line-height:1.65;overflow-wrap:anywhere}
.micro-caption-region>*{grid-area:1/1;min-width:0}
.micro-lesson .micro-caption-text{margin:0;color:inherit;font:inherit;white-space:pre-line}
.micro-caption-reserve{display:grid;visibility:hidden;pointer-events:none;white-space:pre-line}
.micro-caption-reserve>span{grid-area:1/1;min-width:0}
.micro-lesson .micro-lesson-description{margin:16px 0 8px;font-size:var(--type-note);line-height:1.65;color:#59636e}
.micro-lesson .micro-lesson-links{display:flex;flex-wrap:wrap;gap:6px 24px;margin:0;font-size:var(--type-label);line-height:1.6}
.micro-lesson-links a{color:#2357a4;text-underline-offset:4px;padding-block:6px}
.micro-lesson-status{font-size:var(--type-label);line-height:1.6;color:#a85b2a;margin:8px 0 0}
.micro-lesson-status:empty{display:none}
.micro-lesson-reference{margin:18px 0;font-size:var(--type-note);line-height:1.65}
.micro-lesson-reference a{color:#2357a4;text-underline-offset:4px}
@media(max-width:700px){.micro-caption-label{display:none}.micro-lesson{margin-block:24px}.micro-lesson>summary{gap:12px}.micro-lesson-title{font-size:var(--type-note)}.micro-lesson-body{padding:16px 0}.micro-caption-panel{padding-inline:12px}.micro-caption-region{min-block-size:6.3em;font-size:var(--type-note)}.micro-lesson .micro-lesson-description{font-size:var(--type-note)}.micro-lesson .micro-lesson-links{font-size:var(--type-label);gap:4px 16px}.micro-lesson-links a{display:inline-flex;align-items:center;min-height:44px}.micro-lesson-reference{font-size:var(--type-note)}}
@media(prefers-reduced-motion:reduce){.micro-lesson-chevron{transition:none}}