/*
 * Learn: Courses, Livestreams, Zoom Sessions, Start Here (phase 4).
 * Built to the mockups Carson approved on 15 October 2026
 * (mockup-2026-10-15-learn/learn-mock.js, its `lm-` styles are these `ln-`
 * ones), in the site's own colours and type, light and dark.
 */
.tool-view[data-tool="learn"] { --tool-w: 1060px; }

.ln { min-width: 0; }
.ln-page { display: flex; flex-direction: column; gap: 18px; max-width: 1060px; margin: 0 auto; padding-bottom: 24px; }
.ln-head { display: flex; flex-direction: column; }
.ln-h { margin: 2px 0 0; font-family: var(--display); font-weight: var(--display-weight); font-size: 26px; letter-spacing: -0.01em; line-height: 1.2; }
.ln-sub { margin: 4px 0 0; color: var(--muted); font-size: 14px; line-height: 1.5; max-width: 70ch; }
.ln-eyebrow { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(var(--accent-rgb), 0.85); font-weight: 600; margin: 0; }
.ln-fine { font-size: 13px; color: var(--muted); line-height: 1.45; margin: 0; }
.ln-none { padding: 6px 0; }
.ln-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ln-grow { flex: 1; }

.ln-tabs { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); align-self: flex-start; }
.ln-tab { display: inline-flex; align-items: center; gap: 7px; padding: 8px 16px; border: 0; border-radius: 6px; background: transparent; font: inherit; font-size: 14.5px; font-weight: 500; color: var(--muted); text-decoration: none; cursor: pointer; }
.ln-tab:hover { color: var(--ink); }
.ln-tab.is-on { background: var(--accent-fill); color: var(--accent-ink); font-weight: 600; }
.ln-tab.is-on:hover { color: var(--accent-ink); }

.ln-back, .ln-start-link { display: inline-flex; align-items: center; gap: 4px; align-self: flex-start; font-size: 14px; color: var(--muted); text-decoration: none; }
.ln-back:hover, .ln-start-link:hover { color: var(--accent); }
.ln-start-link { color: var(--accent); font-weight: 600; margin-top: -6px; }

.ln-card { background: var(--bg-raised); border: 1px solid var(--line); border-radius: 8px; color: var(--ink); }
a.ln-card { text-decoration: none; }
a.ln-card:hover { border-color: rgba(var(--accent-rgb), 0.5); }
.ln-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

.ln-cover { position: relative; aspect-ratio: 16 / 9; background: #14110d center / cover no-repeat; }
.ln-cover--locked::after { content: ''; position: absolute; inset: 0; background: rgba(10, 9, 8, 0.55); }
.ln-cover--wide { border-radius: 8px; }
.ln-lock { position: absolute; inset: 0; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: #fff; font-weight: 600; font-size: 14px; }
.ln-dur { position: absolute; right: 10px; bottom: 10px; z-index: 1; background: rgba(0, 0, 0, 0.72); color: #fff; font-size: 12px; font-weight: 600; padding: 3px 7px; border-radius: 4px; }

.ln-course { overflow: hidden; display: flex; flex-direction: column; }
.ln-course-link { display: flex; flex-direction: column; color: inherit; text-decoration: none; }
.ln-course-link:hover .ln-ctitle { color: var(--accent); }
.ln-cbody { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.ln-course .ln-cbody { padding-bottom: 4px; }
.ln-ctitle { font-family: var(--display); font-weight: var(--display-weight); font-size: 18px; line-height: 1.25; color: var(--ink); margin: 0; }
.ln-ctitle--big { font-size: 24px; }
a.ln-ctitle { text-decoration: none; }
a.ln-ctitle:hover { color: var(--accent); }
.ln-cby { font-size: 13px; color: var(--muted); line-height: 1.45; margin: 0; }
.ln-prog { margin-top: auto; padding: 8px 16px 16px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.ln-prog--hero { padding: 4px 0 0; max-width: 360px; margin-top: 0; }
.ln-bar { height: 6px; border-radius: 3px; background: rgba(var(--ink-rgb), 0.1); overflow: hidden; }
.ln-bar > span { display: block; height: 100%; background: var(--accent-fill); border-radius: 3px; }
.ln-done { color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }

.ln-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; border-radius: 4px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; background: var(--accent-fill); color: var(--accent-ink); }
.ln-cover .ln-badge { position: absolute; left: 10px; top: 10px; z-index: 1; }
.ln-badge--red { background: #d8463b; color: #fff; }

.ln-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 6px; font: inherit; font-weight: 600; font-size: 15px; background: var(--accent-fill); color: var(--accent-ink); border: 1px solid var(--accent-fill); white-space: nowrap; cursor: pointer; text-decoration: none; }
.ln-btn:hover { background: var(--accent-fill-hover, var(--accent-fill)); color: var(--accent-ink); }
.ln-btn[disabled] { opacity: 0.6; cursor: default; }
.ln-btn--line { background: transparent; border-color: rgba(var(--accent-rgb), 0.55); color: var(--accent); }
.ln-btn--line:hover { background: rgba(var(--accent-rgb), 0.1); color: var(--accent); }
.ln-btn--quiet { background: rgba(var(--ink-rgb), 0.06); border-color: transparent; color: var(--ink); }
.ln-btn--quiet:hover { background: rgba(var(--ink-rgb), 0.11); color: var(--ink); }
.ln-btn--sm { min-height: 38px; padding: 0 14px; font-size: 14px; }

.ln-buy-wrap { display: flex; flex-direction: column; gap: 8px; }
.ln-buy { display: flex; gap: 8px; flex-wrap: wrap; }
.ln-buy .ln-btn { flex: 1 1 0; }
.ln-buy-note { color: var(--ink); }
.ln-buy-note a { color: var(--accent); }

/* Continue Where You Left Off, and a course's own header. */
.ln-cont { display: grid; grid-template-columns: 240px 1fr; overflow: hidden; }
.ln-cont .ln-cover { aspect-ratio: auto; min-height: 140px; }
.ln-cont .ln-cbody { justify-content: center; gap: 8px; padding: 18px 22px; }
.ln-hero { grid-template-columns: 300px 1fr; }

/* Lessons */
.ln-split { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: start; }
.ln-main { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.ln-video { position: relative; aspect-ratio: 16 / 9; border-radius: 8px; overflow: hidden; background: #0a0908; }
.ln-video iframe, .ln-video video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #000; }
.ln-video-none { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; margin: 0; color: #cfc8ba; font-size: 14px; }
.ln-lessons { overflow: hidden; }
.ln-lessons h4 { margin: 0; padding: 14px 16px 6px; font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
.ln-lesson { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line-soft); font-size: 14.5px; color: var(--ink); text-decoration: none; }
.ln-lessons > .ln-lesson:first-child { border-top: 0; }
a.ln-lesson:hover { background: rgba(var(--accent-rgb), 0.06); }
.ln-tick { flex: none; width: 26px; height: 26px; border-radius: 50%; border: 2px solid rgba(var(--ink-rgb), 0.22); display: flex; align-items: center; justify-content: center; color: transparent; }
.ln-lesson.is-done .ln-tick { background: var(--accent-fill); border-color: var(--accent-fill); color: var(--accent-ink); }
.ln-lesson.is-now { background: rgba(var(--accent-rgb), 0.1); font-weight: 600; }
.ln-lesson.is-now .ln-tick { border-color: var(--accent-fill); }
.ln-lesson.is-locked { color: var(--muted); }
.ln-lesson.is-locked .ln-tick { color: var(--muted); }
.ln-tick--play { border-color: rgba(var(--accent-rgb), 0.6); color: var(--accent); }
.ln-tick--live { border-color: var(--accent-fill); color: var(--accent); }
.ln-tick--zoom { border-color: #4678be; color: #4678be; }
.ln-lesson .ln-row { flex-wrap: nowrap; }
.ln-ltext { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.ln-ltext .ln-fine { font-size: 12.5px; font-weight: 400; }
a.ln-ltext--link { color: inherit; text-decoration: none; }
a.ln-ltext--link:hover { color: var(--accent); }
.ln-attach { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line-soft); font-size: 14.5px; }
.ln-pdf { flex: none; width: 26px; height: 26px; color: var(--accent); display: flex; align-items: center; justify-content: center; }
.ln-complete { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 16px; }
.ln-complete-note { flex-basis: 100%; }
.ln-points { color: var(--accent); font-weight: 600; }
.ln-text { font-size: 15.5px; line-height: 1.65; max-width: 68ch; color: var(--ink); overflow-wrap: anywhere; }
.ln-text h4, .ln-text h5 { font-family: var(--display); font-weight: var(--display-weight); font-size: 19px; margin: 14px 0 4px; }
.ln-text h5 { font-size: 17px; }
.ln-text p { margin: 0 0 10px; }
.ln-text ul, .ln-text ol { margin: 0 0 10px; padding-left: 22px; }
.ln-text li { margin: 2px 0; }
.ln-text a { color: var(--accent); }
.ln-text img { max-width: 100%; height: auto; border-radius: 6px; }
.ln-text blockquote { margin: 0 0 10px; padding-left: 14px; border-left: 3px solid rgba(var(--accent-rgb), 0.5); color: var(--muted); }

/* Events */
.ln-event { display: grid; grid-template-columns: 300px 1fr; overflow: hidden; }
.ln-event .ln-cover { aspect-ratio: auto; min-height: 170px; }
.ln-event .ln-cbody { padding: 18px 22px; gap: 8px; }
.ln-ctitle--event { font-size: 22px; }
.ln-when { display: flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 600; margin: 0; }
.ln-when svg { color: var(--accent); flex: none; }
.ln-going { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.ln-faces { display: inline-flex; }
.ln-face { width: 28px; height: 28px; border-radius: 50%; margin-left: -4px; box-shadow: 0 0 0 2px var(--bg-raised); display: inline-flex; align-items: center; justify-content: center; font-size: 10px; letter-spacing: -0.02em; font-weight: 700; color: #1a1510; background: linear-gradient(135deg, #8a6a24, #e2c98f); }
.ln-face:first-child { margin-left: 0; }
.ln-past { overflow: hidden; display: flex; flex-direction: column; }
.ln-past .ln-cbody { padding: 12px 14px 14px; gap: 4px; }
.ln-past .ln-ctitle { font-size: 16.5px; }
.ln-joinbox { padding: 20px 22px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }

/* The Live page: Duke's stream with our chat beside it. */
.ln-livehead { display: flex; flex-direction: column; gap: 4px; }
.ln-live { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }
.ln-stage { position: relative; min-width: 0; }
.ln-stage .ln-video { width: 100%; }
.ln-fsbar { display: none; }
.ln-chat { display: flex; flex-direction: column; overflow: hidden; min-height: 0; height: 100%; max-height: 560px; }
.ln-live:not(.is-full) .ln-chat { height: 420px; }
.ln-chat-head { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--line); font-weight: 600; }
.ln-chat-head .ln-members-only { flex: 1; }
.ln-chat .ln-hide { display: none; }
.ln-chat-list { flex: 1; display: flex; flex-direction: column; gap: 12px; padding: 12px 14px; overflow-y: auto; overscroll-behavior: contain; min-height: 0; }
.ln-chat-empty { margin: auto 0; text-align: center; }
.ln-msg { display: flex; gap: 10px; font-size: 14px; line-height: 1.45; position: relative; }
.ln-msg-text { min-width: 0; overflow-wrap: anywhere; flex: 1; }
.ln-msg b { font-weight: 600; }
.ln-host { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent-ink); background: var(--accent-fill); border-radius: 3px; padding: 1px 5px; margin-left: 5px; vertical-align: 1px; }
.ln-msg-x { flex: none; align-self: flex-start; width: 22px; height: 22px; border: 0; border-radius: 50%; background: transparent; color: var(--muted); font-size: 16px; line-height: 1; cursor: pointer; opacity: 0; }
.ln-msg:hover .ln-msg-x, .ln-msg-x:focus-visible { opacity: 1; }
@media (hover: none) { .ln-msg-x { opacity: 0.6; } }
.ln-chat-note { padding: 0 14px 6px; color: #d8463b; }
.ln-chat-box { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--line); align-items: flex-end; }
.ln-chat-input { flex: 1; min-height: 42px; max-height: 120px; padding: 10px 12px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg-input); color: var(--ink); font: inherit; font-size: 15px; resize: none; }
.ln-chat-input:focus { outline: none; border-color: rgba(var(--accent-rgb), 0.6); }
.ln-send { width: 42px; height: 42px; border-radius: 50%; background: var(--accent-fill); color: var(--accent-ink); display: flex; align-items: center; justify-content: center; flex: none; border: 0; cursor: pointer; }
.ln-send[disabled] { opacity: 0.5; cursor: default; }
.ln-chip { display: inline-flex; align-items: center; gap: 7px; padding: 9px 14px; border-radius: 6px; background: rgba(255, 255, 255, 0.12); color: #fff; font: inherit; font-weight: 600; font-size: 14px; border: 1px solid rgba(255, 255, 255, 0.22); cursor: pointer; }
.ln-chip--gold { background: #c4a663; color: #17140e; border-color: #c4a663; }
.ln-chip--quiet { padding: 5px 10px; font-size: 12.5px; background: transparent; color: var(--ink); border-color: var(--line); }
.ln-count { background: #17140e; color: #c4a663; border-radius: 9px; padding: 0 6px; font-size: 11.5px; }

/* Our Full Screen: the player and the chat together, chat on the right. */
.ln-live.is-full { position: fixed; inset: 0; z-index: 200; gap: 0; background: #000; grid-template-columns: minmax(0, 1fr) 360px; }
.ln-live.is-full.is-chat-hidden { grid-template-columns: minmax(0, 1fr) 0; }
.ln-live.is-full.is-chat-hidden .ln-chat { display: none; }
.ln-live.is-full .ln-stage { display: flex; align-items: center; justify-content: center; background: #000; height: 100vh; }
.ln-live.is-full .ln-stage .ln-video { width: 100%; height: auto; max-height: 100vh; border-radius: 0; }
.ln-live.is-full .ln-fsbar { display: flex; position: absolute; left: 16px; right: 16px; top: 14px; z-index: 2; align-items: center; gap: 10px; color: #fff; pointer-events: none; }
.ln-live.is-full .ln-fsbar > * { pointer-events: auto; }
.ln-live.is-full .ln-fsbar b { font-family: var(--display); font-weight: 500; font-size: 20px; flex: 1; text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6); }
.ln-live.is-full .ln-chat { border-radius: 0; border-width: 0 0 0 1px; height: 100vh; max-height: none; }
.ln-live.is-full .ln-chat .ln-hide { display: inline-flex; }

/* The Schedule's Events calendar (opens first; Racing Calendar one tap away). */
.tool-view[data-tool="schedule"]:has(.ln-cal) { --tool-w: 1060px; }
.ln-calrow { justify-content: space-between; align-items: flex-end; }
.sc-modes { margin-bottom: 10px; }
.ln-cal { overflow: hidden; }
.ln-calhead { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; gap: 10px; flex-wrap: wrap; }
.ln-calhead .ln-btn--sm { min-height: 34px; padding: 0 12px; }
.ln-legend { display: flex; gap: 14px; font-size: 13px; color: var(--muted); align-items: center; }
.ln-key { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.ln-key--live { background: var(--accent-fill); }
.ln-key--zoom { background: #4678be; }
.ln-calgrid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.ln-dow { padding: 8px; font-size: 12px; font-weight: 600; color: var(--muted); text-align: center; border-bottom: 1px solid var(--line); }
.ln-day { min-height: 96px; padding: 6px; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; min-width: 0; }
.ln-day:nth-child(7n) { border-right: 0; }
.ln-dn { font-weight: 600; color: var(--muted); font-size: 12.5px; }
.ln-day.is-out .ln-dn { opacity: 0.4; }
.ln-day.is-today .ln-dn { background: var(--accent-fill); color: var(--accent-ink); border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; }
.ln-ev { display: block; border-radius: 4px; padding: 3px 6px; font-size: 12px; font-weight: 600; line-height: 1.25; color: var(--ink); text-decoration: none; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.ln-ev--live { background: rgba(var(--accent-rgb), 0.2); border-left: 3px solid var(--accent-fill); }
.ln-ev--zoom { background: rgba(70, 120, 190, 0.18); border-left: 3px solid #4678be; }
.ln-ev:hover { filter: brightness(1.1); }
.ln-menu .tool-link.is-off { opacity: 0.45; }

/* Add an Event (admins) */
.ln-form { max-width: 620px; width: 100%; margin: 0 auto; overflow: hidden; }
.ln-form-head { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.ln-form-head b { font-family: var(--display); font-weight: var(--display-weight); font-size: 19px; text-align: center; }
.ln-form-head .ln-btn { justify-self: end; }
.ln-form-cancel { justify-self: start; border: 0; background: none; color: var(--ink); font: inherit; font-size: 15px; cursor: pointer; padding: 6px 2px; }
.ln-form-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 14px; }
.ln-kinds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ln-kind { border: 1px solid var(--line); border-radius: 8px; padding: 12px 10px; display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; font: inherit; font-size: 13px; color: var(--muted); background: transparent; cursor: pointer; }
.ln-kind b { color: var(--ink); font-size: 14.5px; }
.ln-kind svg { color: var(--accent); }
.ln-kind.is-on { border-color: var(--accent-fill); background: rgba(var(--accent-rgb), 0.12); box-shadow: inset 0 0 0 1px var(--accent-fill); }
.ln-field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 500; min-width: 0; }
.ln-field[hidden] { display: none; }
.ln-in { min-height: 44px; padding: 0 12px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg-input); color: var(--ink); font: inherit; font-size: 15px; font-weight: 400; width: 100%; box-sizing: border-box; }
.ln-in:focus { outline: none; border-color: rgba(var(--accent-rgb), 0.6); }
.ln-in--tall { min-height: 76px; padding: 10px 12px; resize: vertical; }
select.ln-in { appearance: auto; }
.ln-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ln-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.ln-pill { padding: 7px 12px; border-radius: 6px; border: 1px solid var(--line); font: inherit; font-size: 13.5px; color: var(--ink); background: transparent; cursor: pointer; }
.ln-pill.is-on { background: var(--accent-fill); border-color: var(--accent-fill); color: var(--accent-ink); font-weight: 600; }
.ln-cover-btn { display: flex; align-items: center; gap: 10px; color: var(--muted); text-align: left; cursor: pointer; }
.ln-cover-btn img { width: 72px; height: 40px; object-fit: cover; border-radius: 4px; }
.ln-toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 14.5px; color: var(--ink); cursor: pointer; }
.ln-switch { appearance: none; -webkit-appearance: none; width: 44px; height: 26px; border-radius: 13px; background: rgba(var(--ink-rgb), 0.2); position: relative; flex: none; cursor: pointer; margin: 0; transition: background 0.15s; }
.ln-switch::after { content: ''; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: left 0.15s; }
.ln-switch:checked { background: var(--accent-fill); }
.ln-switch:checked::after { left: 21px; }
.ln-switch:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ln-form-note { color: #d8463b; min-height: 1em; }
.ln-form-note:empty { display: none; }

/* Duke is live now: over every page while an event runs (the 13 Oct mockup). */
.ln-livebar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; margin-bottom: 14px; background: #17150f; color: #f5f0e6; text-decoration: none; border-bottom: 1px solid rgba(196, 166, 99, 0.35); }
.ln-livebar:hover { color: #f5f0e6; background: #1d1a13; }
.ln-pulse { width: 10px; height: 10px; border-radius: 50%; background: #e0483c; box-shadow: 0 0 0 4px rgba(224, 72, 60, 0.25); flex: none; animation: ln-pulse 1.6s ease-in-out infinite; }
@keyframes ln-pulse { 50% { box-shadow: 0 0 0 7px rgba(224, 72, 60, 0.08); } }
@media (prefers-reduced-motion: reduce) { .ln-pulse { animation: none; } }
.ln-livebar-t { flex: 1; min-width: 0; font-size: 14.5px; line-height: 1.3; font-weight: 600; }
.ln-livebar-t small { display: block; color: #cfc8ba; font-size: 12.5px; font-weight: 400; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ln-livebar-join { padding: 9px 16px; border-radius: 6px; background: #c4a663; color: #17140e; font-weight: 700; font-size: 14px; flex: none; }

/* The Live Room (LiveKit), the approved "room" mockup. */
.ln-room { background: #0b0a08; border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 12px; color: #f5f0e6; }
.ln-room-top { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.ln-room-top b { font-family: var(--display); font-weight: 500; font-size: 18px; flex: 1; min-width: 0; }
.ln-room-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.ln-room.is-chat .ln-room-body { grid-template-columns: minmax(0, 1fr) 320px; }
.ln-room-chat .ln-chat { height: 100%; max-height: 640px; min-height: 380px; }
.ln-stage-room { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.ln-room-main .ln-tile { aspect-ratio: 16 / 9; }
.ln-room-strip { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.ln-tile { position: relative; border-radius: 8px; background: #1c1914; display: flex; align-items: center; justify-content: center; aspect-ratio: 16 / 10; overflow: hidden; }
.ln-tile video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ln-tile video[hidden], .ln-tile .ln-big[hidden] { display: none; }
.ln-big { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 17px; color: #1a1510; background: linear-gradient(135deg, #8a6a24, #e2c98f); }
.ln-tile.is-lead .ln-big { width: 96px; height: 96px; font-size: 30px; }
.ln-tile.is-speaking { box-shadow: inset 0 0 0 3px #c4a663; }
.ln-tile.is-hand { box-shadow: inset 0 0 0 2px rgba(196, 166, 99, 0.6); }
.ln-name { position: absolute; left: 8px; bottom: 8px; background: rgba(0, 0, 0, 0.6); padding: 3px 8px; border-radius: 4px; font-size: 12.5px; font-weight: 600; display: inline-flex; gap: 6px; align-items: center; max-width: calc(100% - 16px); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: #f5f0e6; }
.ln-tile-act { position: absolute; right: 8px; top: 8px; padding: 4px 10px; border-radius: 5px; border: 1px solid rgba(255, 255, 255, 0.3); background: rgba(0, 0, 0, 0.55); color: #fff; font: inherit; font-size: 12px; font-weight: 600; cursor: pointer; }
.ln-tile--more { color: #cfc8ba; font-size: 13px; font-weight: 600; }
.ln-ctrls { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.ln-ctrl { display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 70px; padding: 8px 10px; border-radius: 8px; background: #23201a; color: #f5f0e6; border: 0; font: inherit; font-size: 12px; font-weight: 600; cursor: pointer; }
.ln-ctrl.is-on { background: #c4a663; color: #17140e; }
.ln-ctrl--leave { background: #d8463b; color: #fff; }
.ln-room-note { color: #cfc8ba; text-align: center; min-height: 1em; }

/* Settings: Learn, Courses (admins). */
.ln-mg-row { grid-template-columns: minmax(0, 1fr) auto auto; }
.ln-mg-acts { display: flex; gap: 10px; align-items: center; }
.ln-mg-arrow { font-size: 11px; padding: 2px 4px; }
.ln-mg-arrow:disabled { opacity: 0.3; cursor: default; }
.ln-mg-inside { margin: 0 0 10px 14px; padding-left: 14px; border-left: 2px solid rgba(var(--accent-rgb), 0.35); }
.ln-mg-section { margin: 12px 0 2px; font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.ln-mg-lesson .s-ann-words strong { font-weight: 500; }
.ln-mg-add { display: block; margin: 6px 0 4px; }
.ln-mg-check { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--ink); grid-column: 1 / -1; }
@media (max-width: 860px) {
  .ln-mg-row { grid-template-columns: minmax(0, 1fr) auto; }
  .ln-mg-row .ln-mg-acts { grid-column: 1 / -1; }
  .ln-mg-inside { margin-left: 4px; padding-left: 10px; }
}

/* Start Here */
.ln-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ln-step { padding: 16px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.ln-step b { font-family: var(--display); font-weight: var(--display-weight); font-size: 18px; }
.ln-step p { margin: 0 0 4px; color: var(--muted); font-size: 14px; line-height: 1.5; flex: 1; }
.ln-num { width: 30px; height: 30px; border-radius: 50%; background: var(--accent-fill); color: var(--accent-ink); font-weight: 700; display: flex; align-items: center; justify-content: center; }

/* Loading */
.ln-loading { display: flex; flex-direction: column; gap: 14px; max-width: 1060px; margin: 0 auto; }
.ln-shimmer { display: block; height: 120px; border-radius: 8px; background: linear-gradient(90deg, rgba(var(--ink-rgb), 0.05), rgba(var(--accent-rgb), 0.1), rgba(var(--ink-rgb), 0.05)); background-size: 200% 100%; animation: ln-sheen 1.4s ease-in-out infinite; }
.ln-shimmer:first-child { height: 46px; width: 60%; }
@keyframes ln-sheen { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }
@media (prefers-reduced-motion: reduce) { .ln-shimmer { animation: none; } }

@media (max-width: 860px) {
  .ln-page { gap: 16px; }
  .ln-h { font-size: 24px; }
  .ln-tabs { align-self: stretch; }
  .ln-tab { flex: 1; justify-content: center; padding: 9px 6px; font-size: 13.5px; gap: 5px; }
  .ln-tab svg { display: none; }
  .ln-grid { grid-template-columns: 1fr; }
  .ln-event { grid-template-columns: 1fr; }
  .ln-event .ln-cover { aspect-ratio: 16 / 9; min-height: 0; }
  .ln-cont { grid-template-columns: 104px 1fr; }
  .ln-cont .ln-cover { min-height: 100%; }
  .ln-cont .ln-cbody { padding: 12px 14px; gap: 6px; }
  .ln-cont .ln-ctitle { font-size: 17px; }
  .ln-cont .ln-cont-at { display: none; }
  .ln-hero { grid-template-columns: 1fr; }
  .ln-hero .ln-cover { aspect-ratio: 16 / 9; min-height: 0; }
  .ln-split, .ln-live { grid-template-columns: 1fr; }
  /* Phone: Mark Complete across the full width, Previous and Next side by side under it. */
  .ln-complete { gap: 10px; }
  .ln-complete .ln-grow, .ln-complete .ln-points:empty { display: none; }
  .ln-complete .ln-mark { flex: 1 1 100%; }
  .ln-complete .ln-btn--sm { flex: 1 1 0; min-height: 44px; }
  .ln-steps { grid-template-columns: 1fr; }
  .ln-chat { max-height: 70vh; }
  .ln-live:not(.is-full) .ln-chat { height: 380px; }
  .ln-fsrow { display: none; }
  .ln-calrow { flex-direction: column; align-items: stretch; }
  .ln-room.is-chat .ln-room-body { grid-template-columns: 1fr; }
  .ln-room-strip { grid-template-columns: repeat(3, 1fr); }
  .ln-tile .ln-big { width: 34px; height: 34px; font-size: 12.5px; margin-bottom: 14px; }
  .ln-tile.is-lead .ln-big { width: 72px; height: 72px; font-size: 24px; margin-bottom: 0; }
  .ln-name { font-size: 11px; padding: 2px 6px; left: 5px; bottom: 5px; }
  .ln-ctrl { min-width: 0; flex: 1; padding: 8px 4px; }
  .ln-calrow .ln-tabs { align-self: stretch; }
  /* Phone: a dot for each event on its day, the list under the grid. */
  .ln-day { min-height: 48px; padding: 4px; }
  .ln-day .ln-ev { font-size: 0; padding: 0; height: 6px; border-left-width: 0; border-radius: 3px; }
  .ln-ev--live { background: var(--accent-fill); }
  .ln-ev--zoom { background: #4678be; }
  .ln-2, .ln-kinds { grid-template-columns: 1fr; }
  .ln-kinds { grid-template-columns: repeat(3, 1fr); }
  .ln-kind { padding: 10px 6px; font-size: 12px; }
  .ln-legend { gap: 10px; font-size: 12px; }
  .ln-lessons .ln-lesson { flex-wrap: wrap; }
  .ln-lessons .ln-lesson > .ln-row { margin-left: 38px; }
}