:root { --ink:#17201a; --muted:#647067; --paper:#f4f3ec; --card:#fffdf7; --line:#deddd4; --green:#1f6b4f; --green-dark:#154936; --amber:#b76a16; --red:#ad3434; --shadow:0 12px 32px rgba(25,42,31,.08); font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif; color:var(--ink); background:var(--paper); }
* { box-sizing:border-box; }
body { margin:0; min-height:100vh; }
a { color:var(--green); text-decoration:none; } a:hover { text-decoration:underline; }
h1,h2,h3,p { margin-top:0; } h1 { font-size:clamp(2rem,5vw,3.6rem); line-height:1.05; letter-spacing:-.04em; } h2 { line-height:1.15; }
.container { width:min(1180px,92%); margin:2rem auto 5rem; }.narrow { width:min(720px,92%); }
.topbar { min-height:68px; padding:.8rem 4%; display:flex; justify-content:space-between; align-items:center; gap:1rem; background:#fffdf7dd; border-bottom:1px solid var(--line); backdrop-filter:blur(12px); position:sticky; top:0; z-index:10; }
.brand { font-size:1.2rem; font-weight:900; color:var(--ink); letter-spacing:-.03em; }.nav { display:flex; align-items:center; gap:1rem; flex-wrap:wrap; }.user-name { color:var(--muted); }
.admin-nav { display:flex; gap:.4rem; overflow-x:auto; padding:.45rem; margin-bottom:2rem; border:1px solid var(--line); background:var(--card); border-radius:14px; }.admin-nav a { color:var(--ink); padding:.55rem .75rem; white-space:nowrap; border-radius:10px; }.admin-nav a:hover { background:#e8eee9; text-decoration:none; }
.hero { padding:clamp(2rem,7vw,6rem) 0 2rem; max-width:760px; }.hero p { font-size:1.12rem; color:var(--muted); }
.eyebrow { margin-bottom:.55rem; color:var(--green); font-size:.76rem; font-weight:900; letter-spacing:.14em; text-transform:uppercase; }.muted,.hint { color:var(--muted); }.hint { font-size:.88rem; }
.card,.auth-card { padding:clamp(1.2rem,3vw,2rem); background:var(--card); border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow); }
.auth-shell { min-height:calc(100vh - 48px); display:grid; place-items:center; padding:1rem; background:radial-gradient(circle at top left,#dfeadf 0,transparent 40%),var(--paper); }.auth-card { width:min(460px,100%); }.auth-brand { display:inline-block; margin-bottom:2.5rem; }
.auth-links,.section-heading,.page-heading,.toolbar,.list-row,.review-actions { display:flex; justify-content:space-between; align-items:center; gap:1rem; }.auth-links { margin-top:1.5rem; }
.page-heading { margin:2rem 0; align-items:flex-end; }.page-heading h1 { margin-bottom:.35rem; }.page-heading p { color:var(--muted); }.section-heading { align-items:flex-start; }
.stack { display:grid; gap:1rem; }.form-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; }.wide { grid-column:1/-1; }
label { display:grid; gap:.45rem; font-weight:750; }input,textarea,select { width:100%; padding:.78rem .85rem; border:1px solid #c8cec9; border-radius:10px; background:white; color:var(--ink); font:inherit; }textarea { resize:vertical; }.checkbox { display:flex; align-items:center; gap:.5rem; }.checkbox input { width:auto; }
.button,button { display:inline-flex; align-items:center; justify-content:center; border:0; border-radius:10px; padding:.75rem 1rem; background:var(--green); color:white; font:inherit; font-weight:800; cursor:pointer; }.button:hover,button:hover { background:var(--green-dark); color:white; text-decoration:none; }.button.secondary { background:#536158; }.button.warning { background:var(--amber); }.button.danger { background:var(--red); }.button.small { padding:.5rem .7rem; font-size:.86rem; }.button.full { width:100%; }
.inline-form { display:inline-flex; align-items:center; gap:.5rem; }.spaced { margin-top:.6rem; }
.alert { padding:.85rem 1rem; margin:1rem 0; border-radius:10px; background:#e7efe9; border:1px solid #bdd2c2; }.alert.error { background:#fae8e8; border-color:#e9bcbc; }.alert.warning { background:#fff0d8; border-color:#e7c58d; }
.lesson-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1rem; }.lesson-card { min-height:240px; padding:1.5rem; display:flex; flex-direction:column; color:var(--ink); background:var(--card); border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow); transition:.2s transform,.2s box-shadow; }.lesson-card:hover { transform:translateY(-3px); box-shadow:0 18px 40px rgba(25,42,31,.12); text-decoration:none; }.lesson-card p { color:var(--muted); }.lesson-number { color:var(--green); font-weight:900; }.lesson-action { margin-top:auto; font-weight:850; color:var(--green); }
.catalog-layout { display:grid; grid-template-columns:minmax(240px,290px) minmax(0,1fr); gap:1.35rem; align-items:start; }.catalog-sidebar { position:sticky; top:88px; padding:.7rem; max-height:calc(100vh - 110px); overflow:auto; }.catalog-tree { display:grid; gap:.25rem; }.catalog-tree-heading { display:flex; justify-content:space-between; align-items:center; padding:.6rem .65rem 1rem; color:var(--muted); font-size:.78rem; font-weight:900; letter-spacing:.06em; text-transform:uppercase; }.catalog-tree-item { display:grid; grid-template-columns:1.2rem minmax(0,1fr) auto; align-items:center; gap:.45rem; min-height:42px; padding:.55rem .65rem; color:var(--ink); border-radius:10px; font-weight:750; }.catalog-tree-item:hover { background:#edf1ec; text-decoration:none; }.catalog-tree-item.selected { color:#fff; background:var(--green); }.catalog-tree-item.depth-1 { padding-left:1.35rem; }.catalog-tree-item.depth-2 { padding-left:2.05rem; }.catalog-tree-item.depth-3 { padding-left:2.75rem; }.catalog-tree-item.depth-4 { padding-left:3.45rem; }.catalog-tree-item.depth-5 { padding-left:4.15rem; }.catalog-icon { opacity:.8; }.catalog-count { min-width:1.6rem; padding:.15rem .4rem; text-align:center; color:var(--muted); background:#e6e9e5; border-radius:999px; font-size:.7rem; }.catalog-tree-item.selected .catalog-count { color:var(--green-dark); background:#fff; }.catalog-content { min-width:0; }.catalog-hero { position:relative; min-height:220px; padding:clamp(1.4rem,4vw,2.6rem); overflow:hidden; color:#f8fff9; background:linear-gradient(125deg,#123f30 0%,#1f6b4f 65%,#3b8a6d 100%); border-radius:20px; box-shadow:var(--shadow); }.catalog-hero::after { content:""; position:absolute; width:210px; height:210px; right:-55px; bottom:-100px; border:36px solid rgba(255,255,255,.08); border-radius:50%; }.catalog-hero h1,.catalog-hero h2 { position:relative; z-index:1; margin-bottom:.6rem; font-size:clamp(1.8rem,4vw,3rem); }.catalog-hero p { position:relative; z-index:1; max-width:720px; color:#e1f0e7; }.catalog-hero .eyebrow { color:#bfe8d2; }.catalog-summary { position:relative; z-index:1; display:inline-flex; align-items:baseline; gap:.4rem; padding:.45rem .7rem; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.2); border-radius:999px; }.catalog-summary strong { font-size:1.15rem; }.admin-catalog-hero { min-height:190px; }.learning-welcome { display:flex; justify-content:space-between; align-items:center; gap:1rem; margin:2rem 0; }.learning-welcome h1 { margin-bottom:.35rem; }.learning-welcome p { color:var(--muted); }.welcome-mark { width:76px; height:76px; display:grid; place-items:center; flex:0 0 auto; color:#fff; background:var(--green); border-radius:24px 8px 24px 8px; font-size:1.4rem; font-weight:950; box-shadow:var(--shadow); }.lesson-card-top,.lesson-meta { display:flex; justify-content:space-between; align-items:center; gap:.6rem; }.play-mark { width:34px; height:34px; display:grid; place-items:center; color:#fff; background:var(--green); border-radius:50%; font-size:.75rem; }.lesson-excerpt { display:-webkit-box; overflow:hidden; -webkit-box-orient:vertical; -webkit-line-clamp:3; }.lesson-meta { justify-content:flex-start; margin:.4rem 0 1rem; color:var(--muted); font-size:.8rem; }.lesson-meta span { padding:.25rem .48rem; background:#edf0eb; border-radius:999px; }.catalog-path { margin:.3rem 0; color:var(--green); font-size:.78rem; font-weight:850; }.lesson-hero { min-height:0; }.danger-zone { display:flex; justify-content:space-between; align-items:center; gap:2rem; border-color:#e2b7b7; background:#fff8f7; }.danger-zone p { color:var(--muted); }.danger-zone form { min-width:min(330px,100%); }
.back-link { display:inline-block; margin:1rem 0; }.lesson-description { max-width:800px; color:var(--muted); }.video-list { display:grid; gap:1.3rem; }.video-card video,.review-card video { width:100%; max-height:72vh; background:#0b0f0c; border-radius:12px; }
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(145px,1fr)); gap:.8rem; margin:1.5rem 0; }.stat { padding:1.2rem; display:grid; gap:.25rem; background:var(--card); border:1px solid var(--line); border-radius:14px; }.stat strong { font-size:2rem; color:var(--green); }.stat span { color:var(--muted); font-size:.85rem; word-break:break-word; }
.table-wrap { overflow:auto; background:var(--card); border:1px solid var(--line); border-radius:14px; }table { width:100%; border-collapse:collapse; }th,td { padding:.85rem; border-bottom:1px solid var(--line); text-align:left; vertical-align:top; }th { background:#ebece6; font-size:.78rem; letter-spacing:.04em; text-transform:uppercase; }tr:last-child td { border-bottom:0; }
.path { color:var(--muted); font-family:ui-monospace,SFMono-Regular,Consolas,monospace; font-size:.8rem; overflow-wrap:anywhere; }.error-text { color:var(--red); font-size:.82rem; max-width:600px; overflow-wrap:anywhere; }
.badge { display:inline-block; padding:.28rem .52rem; border-radius:999px; background:#e2e5e2; font-size:.72rem; font-weight:900; white-space:nowrap; }.badge.active,.badge.ready,.badge.quick_ready,.badge.completed,.badge.reviewed,.badge.converted { background:#dcefe4; color:#15583c; }.badge.pending,.badge.queued,.badge.running,.badge.mp4_exists { background:#fff0cf; color:#805010; }.badge.locked,.badge.failed,.badge.invalid_file { background:#f6dddd; color:#8c2828; }
.section-gap { margin-top:1.2rem; }.list-row { padding:.85rem 0; border-bottom:1px solid var(--line); }.list-row:last-child { border:0; }.toolbar { margin:1rem 0; }.review-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(480px,100%),1fr)); gap:1rem; }.review-card h2 { margin-top:.5rem; }.metadata { display:grid; grid-template-columns:90px 1fr; gap:.35rem 1rem; }.metadata dt { font-weight:850; }.metadata dd { margin:0; overflow-wrap:anywhere; color:var(--muted); }.review-actions { align-items:stretch; flex-wrap:wrap; }.review-actions form,.review-actions button { flex:1; }
.empty { padding:2rem; text-align:center; color:var(--muted); }.prewrap { white-space:pre-wrap; }.footer { padding:2rem; text-align:center; color:var(--muted); font-size:.85rem; }
.media-live-status { position:fixed; right:1rem; bottom:1rem; z-index:50; max-width:min(420px,calc(100% - 2rem)); padding:.8rem 1rem; color:white; background:var(--green-dark); border-radius:12px; box-shadow:var(--shadow); font-weight:750; }
details { margin-top:.5rem; }summary { cursor:pointer; color:var(--green); font-weight:700; }
@media (max-width:820px) { .catalog-layout { grid-template-columns:1fr; }.catalog-sidebar { position:static; max-height:none; }.catalog-tree { grid-template-columns:repeat(2,minmax(0,1fr)); }.catalog-tree-heading { grid-column:1/-1; }.catalog-tree-item.depth-1,.catalog-tree-item.depth-2,.catalog-tree-item.depth-3,.catalog-tree-item.depth-4,.catalog-tree-item.depth-5 { padding-left:.65rem; }.danger-zone { align-items:stretch; flex-direction:column; } }
@media (max-width:720px) { .topbar { position:static; align-items:flex-start; }.nav { justify-content:flex-end; }.user-name { display:none; }.form-grid { grid-template-columns:1fr; }.wide { grid-column:auto; }.page-heading { align-items:flex-start; flex-direction:column; }.table-wrap { margin-inline:-4%; border-radius:0; }.review-actions { flex-direction:column; }.admin-nav { margin-inline:-4%; border-radius:0; }.metadata { grid-template-columns:1fr; }.metadata dt { margin-top:.4rem; }.catalog-tree { grid-template-columns:1fr; }.learning-welcome { align-items:flex-start; }.welcome-mark { width:58px; height:58px; border-radius:18px 6px 18px 6px; }.catalog-hero { border-radius:16px; } }