/* Visual language: light grey canvas, white rounded work panel, dark pill for the active item,
   violet accent, pastel illustrated cards, solid green "published" pills. */
:root{
  --canvas:#F3F3F6; --surface:#FFFFFF; --ink:#1C1B29; --ink-2:#3A3950; --muted:#6E6D82; --line:#ECEBF2; --line-2:#E2E1EA;
  --dark:#1F1E2E; --dark-2:#2C2B3F;
  --accent:#7B61FF; --accent-ink:#5B3FE6; --accent-soft:#F1EDFF; --accent-soft-2:#E7E0FF;
  --ok:#0E9F6E; --ok-soft:#DDF6EC; --ok-ink:#0A6E4D;
  --warn-soft:#FFF3D6; --warn-ink:#8A5A00;
  --bad-soft:#FFE6E2; --bad-ink:#B42318;
  --grey-soft:#F1F1F5; --grey-ink:#55546A;
  --code-bg:#1F1E2E; --code-ink:#ECEBF7;
  --r-lg:18px; --r:12px; --r-sm:8px;
  --shadow:0 1px 2px rgba(28,27,41,.04),0 6px 24px rgba(28,27,41,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--canvas);color:var(--ink);font:15px/1.55 'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif}
a{color:var(--accent-ink)}
code,pre{font-family:'JetBrains Mono',ui-monospace,monospace}
code{font-size:.86em;background:var(--grey-soft);padding:1px 6px;border-radius:6px;color:var(--ink-2)}
pre{background:var(--code-bg);color:var(--code-ink);padding:14px 16px;border-radius:var(--r);overflow-x:auto;font-size:13px;line-height:1.55}
pre code{background:none;padding:0;color:inherit}
.ico{flex:none;display:block}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh;gap:0}
.side{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:22px 14px 16px;gap:6px;overflow-y:auto}
.logo{display:flex;align-items:center;gap:10px;padding:0 10px 18px;text-decoration:none;color:var(--ink);font-weight:800;font-size:16px;letter-spacing:-.01em;line-height:1.2}
.side nav{display:flex;flex-direction:column;gap:2px;flex:1}
.side nav a{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:var(--r);color:var(--ink-2);text-decoration:none;font-weight:500;font-size:14.5px}
.side nav a:hover{background:#E9E9EF}
.side nav a.on{background:var(--dark);color:#fff;box-shadow:0 4px 12px rgba(31,30,46,.25)}
.side nav a .clip{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side nav a .lockdot{opacity:.6}
.side .sec{margin:18px 12px 6px;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.who{display:flex;align-items:center;gap:10px;background:var(--dark);color:#fff;border-radius:14px;padding:10px 10px 10px 12px;margin-top:12px}
.who .ava{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#9B87FF,#7B61FF);display:grid;place-items:center;font-weight:700;font-size:13px;flex:none}
.who .wt{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.25}
.who b{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who small{font-size:11.5px;color:#B9B8CC;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who form{margin:0}
.who button{background:var(--dark-2);border:none;color:#D6D5E6;border-radius:8px;width:32px;height:32px;display:grid;place-items:center;cursor:pointer}
.who button:hover{color:#fff}

.panel{margin:16px 16px 16px 0;background:var(--surface);border-radius:22px;box-shadow:var(--shadow);min-width:0;overflow:hidden}
.page{padding:26px 30px 48px}
.bare{max-width:440px;margin:0 auto;padding:64px 16px}

/* ---------- banner ---------- */
.banner{display:flex;align-items:center;gap:12px;margin:12px 12px 0;padding:11px 16px;border-radius:14px;background:linear-gradient(90deg,#F1EDFF,#F6F1FF 60%,#FFF1F7);font-size:14px;color:var(--ink-2)}
.banner b{color:var(--ink)}
.banner a{font-weight:600;text-decoration:none}
.banner .close{margin-left:auto;background:#fff;border:1px solid var(--line-2);border-radius:8px;width:28px;height:28px;display:grid;place-items:center;cursor:pointer;color:var(--muted)}

/* ---------- headings ---------- */
.head{display:flex;flex-wrap:wrap;align-items:flex-start;gap:14px;margin-bottom:18px}
.head .t{flex:1;min-width:240px}
h1{font-size:26px;line-height:1.2;margin:0;font-weight:800;letter-spacing:-.02em}
.head p,.sub{margin:6px 0 0;color:var(--muted);font-size:14px}
h2{font-size:18px;margin:34px 0 12px;font-weight:700;letter-spacing:-.01em}
h3{font-size:16px;margin:18px 0 8px;font-weight:700}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 6px}
.eyebrow a{text-decoration:none}
.muted{color:var(--muted)}
.small{font-size:13px}

/* ---------- buttons ---------- */
.btn,button.btn{display:inline-flex;align-items:center;gap:8px;background:var(--dark);color:#fff;border:none;border-radius:12px;padding:10px 16px;font:inherit;font-weight:600;font-size:14px;text-decoration:none;cursor:pointer;box-shadow:0 4px 12px rgba(31,30,46,.18);white-space:nowrap}
.btn:hover{background:var(--dark-2)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line-2);box-shadow:none}
.btn.ghost:hover{background:var(--grey-soft)}
.btn.accent{background:var(--accent);box-shadow:0 4px 12px rgba(123,97,255,.3)}
.btn.small{padding:6px 11px;font-size:13px;border-radius:10px;font-weight:500}
.iconbtn{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;border:1px solid transparent;background:none;color:var(--muted);cursor:pointer}
.iconbtn.on{background:var(--grey-soft);color:var(--ink);border-color:var(--line-2)}

/* ---------- tabs ---------- */
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:4px 0 18px}
.tabs{display:inline-flex;flex-wrap:wrap;gap:2px;background:var(--grey-soft);padding:4px;border-radius:12px}
.tabs button,.tabs a{border:none;background:none;font:inherit;font-size:13.5px;font-weight:500;color:var(--muted);padding:6px 12px;border-radius:9px;cursor:pointer;text-decoration:none}
.tabs button.on,.tabs a.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 3px rgba(28,27,41,.08)}
.viewswitch{margin-left:auto;display:flex;gap:2px}

/* ---------- course cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(270px,100%),1fr));gap:18px}
.ccard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow .15s,transform .15s}
.ccard:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.ccard .art{position:relative;aspect-ratio:2/1;background:var(--accent-soft);margin:8px 8px 0;border-radius:12px;overflow:hidden}
.ccard .art svg{width:100%;height:100%;display:block}
.chip{position:absolute;top:10px;left:10px;background:#fff;border-radius:999px;padding:3px 10px;font-size:11.5px;font-weight:600;color:var(--ink);box-shadow:0 1px 3px rgba(28,27,41,.08)}
.ccard .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:12px;flex:1}
.ccard h3{margin:0;font-size:17px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.ccard .desc{margin:-4px 0 0;color:var(--muted);font-size:13.5px}
.meta{display:grid;grid-template-columns:repeat(3,auto);justify-content:space-between;gap:8px;margin-top:auto;padding:10px 12px;background:#FAFAFC;border:1px solid var(--line);border-radius:12px}
.meta span{display:flex;flex-direction:column;gap:2px;font-size:13px;font-weight:600;min-width:0}
.meta small{font-size:11.5px;color:var(--muted);font-weight:500}
.cards.as-list{grid-template-columns:1fr}
.cards.as-list .ccard{flex-direction:row;align-items:stretch}
.cards.as-list .ccard .art{width:220px;aspect-ratio:auto;margin:8px 0 8px 8px;flex:none}
.cards.as-list .ccard .body{flex-direction:row;flex-wrap:wrap;align-items:center}
.cards.as-list .ccard .body>div:first-child{flex:1;min-width:220px}
.cards.as-list .meta{margin-top:0;min-width:330px}

/* ---------- status pills ---------- */
.status,.pill{display:inline-flex;align-items:center;gap:4px;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600;white-space:nowrap;width:max-content}
.status.ok,.pill.ok{background:var(--ok);color:#fff}
.status.soft-ok{background:var(--ok-soft);color:var(--ok-ink)}
.status.off,.pill.none{background:var(--grey-soft);color:var(--grey-ink);border:1px solid var(--line-2)}
.status.wait,.pill.wait,.pill.queued,.pill.running,.pill.missing{background:var(--warn-soft);color:var(--warn-ink)}
.status.bad,.pill.bad,.pill.wrong,.pill.error{background:var(--bad-soft);color:var(--bad-ink)}
.status.accent{background:var(--accent-soft);color:var(--accent-ink)}

/* ---------- generic blocks ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;margin:12px 0}
.card.soft{background:#FAFAFC}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(320px,100%),1fr));gap:16px}
.grid .card{margin:0}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.spacer{flex:1}
.stat{display:flex;flex-direction:column;gap:2px}
.stat b{font-size:24px;font-weight:800;letter-spacing:-.02em}
.stat small{color:var(--muted);font-size:12.5px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:0 0 6px}
.stats .card{margin:0;padding:14px 16px}

label{display:block;font-weight:600;font-size:13.5px;margin:14px 0 6px}
input[type=text],input[type=password],input[type=datetime-local],textarea,input[type=file]{font:inherit;font-size:14.5px;color:var(--ink);background:#fff;border:1px solid var(--line-2);border-radius:12px;padding:10px 12px;width:100%}
input:focus,textarea:focus{outline:2px solid var(--accent-soft-2);border-color:var(--accent)}
input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}
textarea{min-height:140px}
.flash{background:var(--accent-soft);color:var(--accent-ink);border-radius:12px;padding:11px 14px;margin:0 0 18px;font-weight:500}
.error{background:var(--bad-soft);color:var(--bad-ink);border-radius:12px;padding:10px 14px;margin:10px 0}

.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;background:#FAFAFC}
tr:last-child td{border-bottom:none}
tbody tr:hover td,table tr:hover td{background:#FCFCFE}
td.c,th.c{text-align:center}
.cell{display:inline-grid;place-items:center;min-width:26px;height:24px;border-radius:7px;font-weight:700;font-size:12.5px}
.cell.ok{background:var(--ok-soft);color:var(--ok-ink)}
.cell.wrong{background:var(--bad-soft);color:var(--bad-ink)}
.cell.missing{background:var(--warn-soft);color:var(--warn-ink)}
.bar{height:8px;background:var(--grey-soft);border-radius:4px;overflow:hidden;min-width:90px}
.bar>span{display:block;height:100%;background:linear-gradient(90deg,#9B87FF,var(--accent));border-radius:4px}
.note{white-space:pre-wrap;background:#FAFAFC;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px;margin:8px 0}
.tasks{display:flex;flex-wrap:wrap;gap:6px}
.content{font-size:15px}
.content h2:first-child{margin-top:0}
.content table{background:#fff;border:1px solid var(--line);border-radius:12px;display:block;overflow-x:auto}
details summary{cursor:pointer;font-weight:600}
.drop{border:2px dashed var(--line-2);border-radius:14px;padding:16px;text-align:center;background:#FAFAFC}
.drop input{border:none;background:none;padding:0}

/* list of materials */
.mlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:10px}
.mitem{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);background:#fff}
.mitem:hover{border-color:var(--accent-soft-2);background:#FCFBFF}
.mitem .mi{width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent-ink);display:grid;place-items:center;flex:none}
.mitem.t .mi{background:#FFEFE6;color:#B4501F}
.mitem b{display:block;font-size:14px;font-weight:600;line-height:1.35}
.mitem small{color:var(--muted);font-size:12.5px}

/* login */
.login-card{background:#fff;border-radius:22px;box-shadow:var(--shadow);padding:30px 28px}
.login-card .logo{padding:0 0 18px}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;padding:12px 14px;gap:8px}
  .logo{padding:0 6px;flex:1}
  .side nav{order:3;flex:0 0 100%;flex-direction:row;overflow-x:auto;gap:4px;padding-bottom:4px}
  .side nav a{white-space:nowrap;padding:7px 10px}
  .side .sec{display:none}
  .side nav a .clip{max-width:180px}
  .who{margin:0;padding:6px 6px 6px 8px}
  .who .wt{display:none}
  .panel{margin:0 8px 8px;border-radius:18px}
  .page{padding:20px 16px 40px}
  .cards.as-list .ccard{flex-direction:column}
  .cards.as-list .ccard .art{width:auto;aspect-ratio:2/1;margin:8px 8px 0}
}