@import url('/assets/cairo.css');
:root{
  --bg:#f5f6fb; --panel:#fff; --ink:#161f38; --muted:#67718c; --line:#e5e8f1;
  --accent:#4f46e5; --teal:#0e9f9c; --gold:#c98a2b; --ok:#199a58; --danger:#d24a4a;
  --shadow:0 1px 2px rgba(20,30,60,.05),0 8px 22px rgba(20,30,60,.06);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0d1120; --panel:#151b2d; --ink:#e9edf6; --muted:#98a2bb; --line:#262e48;
  --accent:#8b8bff; --teal:#3fd0cd; --gold:#e0a94e; --ok:#4fd08a; --danger:#f07070;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.4);
}}
:root[data-theme="dark"]{
  --bg:#0d1120; --panel:#151b2d; --ink:#e9edf6; --muted:#98a2bb; --line:#262e48;
  --accent:#8b8bff; --teal:#3fd0cd; --gold:#e0a94e; --ok:#4fd08a; --danger:#f07070;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.4);
}
:root[data-theme="light"]{
  --bg:#f5f6fb; --panel:#fff; --ink:#161f38; --muted:#67718c; --line:#e5e8f1;
  --accent:#4f46e5; --teal:#0e9f9c; --gold:#c98a2b; --ok:#199a58; --danger:#d24a4a;
  --shadow:0 1px 2px rgba(20,30,60,.05),0 8px 22px rgba(20,30,60,.06);
}
.app-foot{margin:44px auto 26px;padding:14px 18px;border-top:1px solid var(--line);display:flex;gap:10px 24px;flex-wrap:wrap;align-items:center;justify-content:center;text-align:center;color:var(--muted);font-size:.85rem}
.foot-grp{display:flex;align-items:center;gap:7px}
.foot-opt{cursor:pointer;color:var(--accent);text-decoration:none;padding:2px 5px;border-radius:6px}
.foot-opt:hover{text-decoration:underline}
.foot-opt.on{font-weight:800;text-decoration:underline}
.foot-sep{color:var(--muted)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:'Cairo','Segoe UI','Noto Kufi Arabic',Tahoma,system-ui,Arial,sans-serif;line-height:1.75}
.wrap{max-width:860px;margin:0 auto;padding:26px 18px 60px}
.lang-toggle{position:fixed;inset-block-end:14px;inset-inline-end:14px;z-index:60;font-size:.78rem;font-weight:800;
  color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  text-decoration:none;box-shadow:var(--shadow)}
.lang-toggle:hover{border-color:var(--accent);color:var(--accent)}
.top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.top h1{margin:.1em 0;font-size:1.5rem}
.crumbs{color:var(--muted);font-size:.86rem}
.actions{display:flex;gap:10px;align-items:center}
.lang{color:var(--muted);text-decoration:none;font-size:.86rem;font-weight:700}
.btn{display:inline-block;border:1px solid var(--line);background:var(--panel);color:var(--ink);
  border-radius:10px;padding:8px 14px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;box-shadow:var(--shadow)}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.big{padding:12px 22px;font-size:1.02rem}
.btn.sm{padding:5px 11px;font-size:.82rem}
.btn.ghost{background:transparent;box-shadow:none}
.btn.danger{color:var(--danger);border-color:transparent;background:transparent;box-shadow:none}
.btn.danger:hover{border-color:var(--danger)}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .btn{margin-top:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:15px 16px;text-decoration:none;color:inherit;box-shadow:var(--shadow);display:block}
.card:hover{border-color:var(--accent)}
.card-t{font-weight:800;font-size:1rem;margin-bottom:4px}
.card-m{color:var(--muted);font-size:.82rem}
.card-b{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap}
.pill{font-size:.72rem;font-weight:800;border-radius:999px;padding:3px 10px;background:var(--bg);border:1px solid var(--line);color:var(--muted)}
.pill.ai{background:rgba(79,70,229,.12);border-color:var(--accent);color:var(--accent)}
.pill.human{background:rgba(25,154,88,.12);border-color:var(--ok);color:var(--ok)}
.pill.ghost{background:transparent}
/* brief form */
.brief{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.brief label{display:flex;flex-direction:column;gap:5px;font-weight:700;font-size:.9rem}
.brief input{border:1px solid var(--line);border-radius:10px;padding:11px 13px;font:inherit;background:var(--bg);color:var(--ink)}
.brief input:focus{outline:none;border-color:var(--accent)}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
@media(max-width:600px){.row3{grid-template-columns:1fr}}
.busy{display:flex;align-items:center;gap:10px;color:var(--accent);font-weight:700;justify-content:center;padding:8px}
.spin{width:16px;height:16px;border:2.5px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
/* step + objectives */
.step{margin:6px 0 14px;font-size:1rem}
.stepn{display:inline-block;width:28px;height:28px;border-radius:8px;background:var(--gold);color:#fff;text-align:center;line-height:28px;margin-inline-end:6px}
.muted{color:var(--muted);font-size:.9rem}
.objs{display:flex;flex-direction:column;gap:10px}
.obj{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:12px 14px;box-shadow:var(--shadow)}
.obj-tags{display:flex;gap:6px;margin-bottom:6px}
.obj textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:9px 11px;font:inherit;background:var(--bg);color:var(--ink);resize:vertical}
.obj textarea:focus{outline:none;border-color:var(--accent)}
.obj-act{display:flex;gap:8px;margin-top:8px}
.addrow{display:flex;gap:8px;margin-top:12px}
.addrow input{flex:1;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;background:var(--panel);color:var(--ink)}
.gate{margin-top:22px;text-align:center;border-top:1px dashed var(--line);padding-top:20px}
/* additive AI + brain-dump intake */
.intake-cta{display:block;background:linear-gradient(90deg,rgba(79,70,229,.1),transparent);border:1px solid var(--accent);border-radius:12px;padding:12px 16px;margin:0 0 16px;text-decoration:none;color:var(--accent);font-weight:800}
.intake-cta:hover{background:linear-gradient(90deg,rgba(79,70,229,.18),transparent)}
.lock-note{display:inline-flex;align-items:center;font-size:.8rem;font-weight:700;color:var(--gold);background:rgba(201,138,43,.1);border:1px solid var(--gold);border-radius:999px;padding:6px 13px}
.intake-form{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.intake-form textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px;font:inherit;line-height:1.9;background:var(--bg);color:var(--ink);resize:vertical}
.intake-form textarea:focus{outline:none;border-color:var(--accent)}
.intake-act{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:14px}
.pr-h{font-weight:800;font-size:1.05rem;margin:0 0 10px}
.pr-obj{display:flex;align-items:flex-start;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:11px 13px;box-shadow:var(--shadow);cursor:pointer;margin-bottom:8px}
.pr-obj input[type=checkbox],.pr-les input[type=checkbox]{margin-top:5px;flex:none;width:18px;height:18px;accent-color:var(--accent)}
.pr-obj .pr-num{flex:none;font-weight:800;font-size:.72rem;background:var(--accent);color:#fff;border-radius:6px;padding:2px 7px;margin-top:4px}
.pr-obj textarea{flex:1;min-width:0;border:1px solid var(--line);border-radius:9px;padding:8px 10px;font:inherit;background:var(--bg);color:var(--ink);resize:vertical}
.pr-les{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;border-top:1px solid var(--line);cursor:pointer}
.pr-les-b{min-width:0}
.pr-les-t{font-weight:700;display:flex;gap:6px;align-items:center;flex-wrap:wrap}

/* ---- Phase 2: step nav ---- */
.steps{position:sticky;top:0;z-index:40;margin:0 -18px 18px;padding:9px 18px;background:var(--bg);border-bottom:1px solid var(--line)}
.nav-items{display:flex;gap:6px;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
.nav-items::-webkit-scrollbar{height:5px}.nav-items::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.stepx{scroll-snap-align:center;flex:none;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;
  text-decoration:none;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:7px 13px;
  font-weight:700;font-size:.85rem;background:var(--panel);transition:border-color .15s,color .15s,background .15s}
.stepx .nav-ic{font-size:.98rem;line-height:1}
.stepx:hover{border-color:var(--accent);color:var(--accent)}
.stepx.on{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 4px 12px rgba(79,70,229,.28)}
.stepx.home{padding:8px 12px}
.stepx.dis{opacity:.5;cursor:default}
.nav-burger{display:none}
/* desktop ≥721px: text-only rail (per-item icons hidden so the row fits) */
@media(min-width:721px){.stepx .nav-ic{display:none}}
/* mobile ≤720px: tap ☰ to open a clean vertical drawer showing the current page */
@media(max-width:720px){
  .steps{padding:9px 12px}
  .nav-burger{display:flex;align-items:center;gap:10px;width:100%;box-sizing:border-box;cursor:pointer;
    border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:12px;padding:12px 14px;font:inherit;font-weight:800;font-size:.98rem}
  .nav-bic{font-size:1.15rem;line-height:1}
  .nav-cur{flex:1;text-align:start;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .nav-chev{color:var(--muted);transition:transform .18s}
  .steps.open .nav-chev{transform:rotate(180deg)}
  .nav-items{position:absolute;left:12px;right:12px;top:calc(100% - 3px);z-index:50;display:none;flex-direction:column;gap:4px;
    background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:0 18px 46px rgba(0,0,0,.22);
    max-height:72vh;overflow-y:auto;overflow-x:hidden}
  .steps.open .nav-items{display:flex;animation:navdrop .16s ease}
  @keyframes navdrop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
  .stepx{width:100%;box-sizing:border-box;justify-content:flex-start;border-color:transparent;background:transparent;border-radius:10px;font-size:1rem;padding:12px;color:var(--ink)}
  .stepx .nav-ic{display:inline-block;width:1.5em;text-align:center}
  .stepx:hover{background:var(--bg);border-color:transparent}
  .stepx.on{box-shadow:none}
}
/* export chooser */
.xcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:8px}
.xcard{display:flex;flex-direction:column;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);text-decoration:none;color:inherit}
.xcard:hover{border-color:var(--accent)}
.xcard .xico{font-size:2rem}
.xcard b{font-size:1.1rem}
.xcard span{color:var(--muted);font-size:.88rem;line-height:1.6}
.bulk{background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--gold);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow);margin-bottom:16px}
.bulk-h{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.bulk-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.bulk-row select{border:1px solid var(--line);border-radius:9px;padding:8px 10px;font:inherit;font-weight:700;background:var(--bg);color:var(--ink)}
.bulk-track{height:10px;background:var(--bg);border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-top:12px}
.bulk-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--accent));transition:width .3s}
/* vocabulary sticky-note board */
.sticky-board{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.sticky{position:relative;min-width:88px;max-width:210px;padding:15px 14px 13px;border-radius:4px;box-shadow:0 3px 9px rgba(20,30,60,.16);font-weight:800;color:#3a3010;line-height:1.45;transform:rotate(-1.4deg)}
.sticky:nth-child(even){transform:rotate(1.6deg)}.sticky:hover{transform:rotate(0) scale(1.03);z-index:2}
.sticky span{overflow-wrap:anywhere}
.sticky form{display:inline}
.sticky .sx{position:absolute;top:1px;inset-inline-end:4px;background:transparent;border:0;color:rgba(0,0,0,.38);font-size:1.15rem;line-height:1;cursor:pointer}
.sticky .sx:hover{color:var(--danger)}
.sticky.s0{background:#fff2a8}.sticky.s1{background:#c9e7bd}.sticky.s2{background:#ffd4c9}.sticky.s3{background:#cbe1ff}.sticky.s4{background:#e7d3ff}
/* practical applications */
.pr-cat{font-weight:800;color:var(--accent);margin:18px 0 8px;font-size:1.02rem;border-bottom:1px solid var(--line);padding-bottom:5px}
.pract{background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--teal);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow);margin-bottom:10px}
.pract-top{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.pract-cat{flex:1;min-width:0;border:1px solid var(--line);border-radius:8px;padding:6px 9px;font:inherit;font-weight:700;font-size:.82rem;background:var(--bg);color:var(--ink)}
.pract-title{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;font-weight:800;background:var(--bg);color:var(--ink);margin-bottom:8px}
.pract-details{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;line-height:1.85;background:var(--bg);color:var(--ink);resize:vertical}
.pract-cat:focus,.pract-title:focus,.pract-details:focus{outline:none;border-color:var(--accent)}
.pract-act{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;align-items:center}
.pr-suggest{background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--accent);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow);margin:16px 0}
.pr-suggest-h{margin-bottom:10px}
.pr-suggest-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pr-paste{margin-top:12px}.pr-paste summary{cursor:pointer;font-weight:700;color:var(--accent);font-size:.9rem}
.pr-paste textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;line-height:1.8;background:var(--bg);color:var(--ink);resize:vertical;margin-top:10px}
.pr-addtask{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.pr-addtask input{border:1px solid var(--line);border-radius:10px;padding:9px 11px;font:inherit;background:var(--panel);color:var(--ink)}
.pr-addtask input[name=title]{flex:1;min-width:160px}
.practs{display:flex;flex-direction:column;gap:8px}
.pr-pract{display:flex;gap:10px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:11px 13px;box-shadow:var(--shadow);cursor:pointer}
.pr-pract input[type=checkbox]{margin-top:4px;flex:none;width:18px;height:18px;accent-color:var(--accent)}
.pr-pract-b{min-width:0}.pr-pract-t{font-weight:700;margin-bottom:4px}
/* slide designer (AI image) */
.slide-active{margin:0 0 16px}
.slide-active img{width:100%;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);display:block}
.slide-active figcaption{color:var(--muted);font-size:.82rem;margin-top:6px;text-align:center}
.gen-form{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow);margin-bottom:18px}
.gen-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.gen-model{display:flex;flex-direction:column;gap:4px;font-weight:700;font-size:.86rem}
.gen-model select{border:1px solid var(--line);border-radius:9px;padding:8px 10px;font:inherit;font-weight:700;background:var(--bg);color:var(--ink)}
.gen-form .go{margin-top:16px}
.mint-label{display:flex;flex-direction:column;gap:4px;font-weight:800}
.mint-label .muted{font-weight:400;font-size:.8rem}
.mint-label textarea{border:1px solid var(--line);border-radius:10px;padding:11px;font:inherit;line-height:1.8;background:var(--bg);color:var(--ink);resize:vertical}
.mint-label textarea:focus{outline:none;border-color:var(--accent)}
.edit-form{background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--gold);border-radius:14px;padding:16px;box-shadow:var(--shadow);margin-bottom:18px;display:flex;flex-direction:column;gap:12px}
.edit-act{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.ver-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:8px}
.ver{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel);box-shadow:var(--shadow)}
.ver.on{border-color:var(--ok);border-width:2px}
.ver img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;background:var(--bg)}
.ver-b{padding:8px 10px;display:flex;flex-direction:column;gap:6px;font-size:.82rem;font-weight:700}
.ver.on .ver-b>span{color:var(--ok)}
.ver-act{display:flex;gap:6px}
.ser{margin-top:16px}.ser summary{cursor:pointer;color:var(--muted);font-weight:700;font-size:.86rem}
.ser pre{white-space:pre-wrap;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:.82rem;line-height:1.7;max-height:340px;overflow:auto}
/* ---- coverage ---- */
.cov{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow);margin-bottom:18px;border-inline-start:4px solid var(--ok)}
.cov.gap{border-inline-start-color:var(--gold)}
.cov-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.cov-badge{font-size:.78rem;font-weight:800;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:2px 10px}
.cov-msg{font-weight:700}.cov.ok .cov-msg{color:var(--ok)}.cov.gap .cov-msg{color:var(--gold)}
.cov-objs{display:flex;flex-direction:column;gap:8px}
.cov-o{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:var(--bg)}
.cov-o.u{border-color:var(--gold);background:rgba(201,138,43,.08)}
.cov-o .otext{flex:1;min-width:0;line-height:1.7}
.cov-o .ostat{font-weight:800;font-size:.75rem;color:var(--ok);white-space:nowrap;flex:none;padding-top:2px}.cov-o.u .ostat{color:var(--gold)}
.onum{font-weight:800;font-size:.74rem;background:var(--accent);color:#fff;border-radius:6px;padding:1px 6px;flex:none}
.cov-o.u .onum{background:var(--gold)}
.matrix-wrap{margin-top:12px}.matrix-wrap summary{cursor:pointer;font-weight:700;color:var(--muted);font-size:.86rem}
.matrix-scroll{overflow-x:auto;margin-top:10px}
.matrix{border-collapse:collapse;font-size:.8rem}
.matrix th,.matrix td{border:1px solid var(--line);padding:5px 8px;text-align:center;min-width:34px}
.matrix thead th,.matrix tbody th{background:var(--bg);font-weight:800;position:sticky;inset-inline-start:0}
.matrix td.x{background:rgba(25,154,88,.16);color:var(--ok);font-weight:800}
.matrix-legend{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:8px;font-size:.76rem;color:var(--muted)}
/* ---- modules + lessons ---- */
.mod{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);margin-bottom:16px;overflow:hidden}
.mod-h{display:flex;align-items:center;gap:8px;padding:12px 14px;background:linear-gradient(0deg,transparent,rgba(79,70,229,.05));border-bottom:1px solid var(--line)}
.mod-n{width:26px;height:26px;border-radius:8px;background:var(--accent);color:#fff;text-align:center;line-height:26px;font-weight:800;flex:none}
.mod-t{flex:1;min-width:0;border:1px solid var(--line);border-radius:8px;padding:7px 9px;font:inherit;font-weight:800;font-size:1.02rem;background:var(--bg);color:var(--ink)}
.mod-t:focus{outline:none;border-color:var(--accent)}
.les{border-bottom:1px solid var(--line);padding:12px 14px}.les:last-of-type{border-bottom:0}
.les-top{display:flex;align-items:center;gap:8px}
.les-n{font-weight:800;font-size:.74rem;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 7px;flex:none}
.les-t{flex:1;min-width:0;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;font-weight:700;background:var(--bg);color:var(--ink)}
.les-t:focus{outline:none;border-color:var(--accent)}
.les-dur{display:flex;align-items:center;gap:4px;font-size:.78rem;color:var(--muted);flex:none}
.les-dur input{width:56px;border:1px solid var(--line);border-radius:8px;padding:7px;font:inherit;text-align:center;background:var(--bg);color:var(--ink)}
.les-s{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;background:var(--bg);color:var(--ink);resize:vertical}
.les-s:focus{outline:none;border-color:var(--accent)}
.les-teach{display:flex;align-items:center;gap:5px;flex-wrap:wrap;margin-top:8px}
.danger-t{color:var(--gold);border-color:var(--gold)}
.les-act{display:flex;gap:8px;margin-top:9px;flex-wrap:wrap}
.les-links{margin-top:8px}.les-links summary{cursor:pointer;font-size:.8rem;color:var(--accent);font-weight:700}
.links-form{display:flex;flex-direction:column;gap:5px;margin-top:8px;padding:10px;background:var(--bg);border:1px solid var(--line);border-radius:10px}
.lnk{display:flex;align-items:center;gap:7px;font-size:.83rem;cursor:pointer}
.lnk input{flex:none}.links-form .btn{align-self:flex-start;margin-top:4px}
.les-add{padding:10px 0 0}.mod-add{margin-top:4px}
/* plan editor v2: collapsible sections + one Save */
.plan-bar{display:flex;justify-content:flex-end;margin-bottom:10px}
.sec{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden}
.sec-h{display:flex;align-items:center;gap:10px;padding:11px 14px;background:linear-gradient(0deg,transparent,rgba(79,70,229,.05));cursor:pointer}
.sec:not(.collapsed) .sec-h{border-bottom:1px solid var(--line)}
.sec-chev{background:transparent;border:0;color:var(--muted);font-size:1rem;cursor:pointer;transition:transform .15s;flex:none;padding:0 2px}
.sec.collapsed .sec-chev{transform:rotate(-90deg)}
.sec-n{width:26px;height:26px;border-radius:8px;background:var(--accent);color:#fff;text-align:center;line-height:26px;font-weight:800;flex:none}
.sec-tag{color:var(--muted);font-weight:700;font-size:.76rem;flex:none}
.sec-title{flex:1;min-width:0;border:1px solid var(--line);border-radius:8px;padding:7px 9px;font:inherit;font-weight:800;font-size:1.02rem;background:var(--bg);color:var(--ink)}
.sec-title:focus{outline:none;border-color:var(--accent)}
.sec-count{color:var(--muted);font-size:.78rem;font-weight:700;white-space:nowrap;flex:none}
.sec-body{padding:4px 14px 14px}
.sec.collapsed .sec-body{display:none}
.lesx{border-top:1px solid var(--line);padding:12px 0}
.lesx-top{display:flex;align-items:center;gap:8px}
.lesx-tag{color:var(--muted);font-weight:700;font-size:.7rem;flex:none;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px}
.plan-tools{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.savebar{position:sticky;bottom:0;z-index:30;margin:16px -18px 0;padding:12px 18px;background:var(--bg);border-top:1px solid var(--line);display:flex;justify-content:center}
.savebar .btn{min-width:240px}
.io-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.io-group{display:inline-flex;gap:8px;flex-wrap:wrap;margin-inline-start:auto}
@media(max-width:600px){.io-group{margin-inline-start:0;width:100%}}
.content-link{border-color:var(--teal);color:var(--teal)}.content-link:hover{background:rgba(14,159,156,.1)}

/* ---- Phase 4: lesson content blocks ---- */
.lmeta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:2px 0 16px}
.blocks{display:flex;flex-direction:column;gap:10px}
.blk{background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--line);border-radius:12px;padding:11px 13px;box-shadow:var(--shadow)}
.blk-top{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.blk-type{border:1px solid var(--line);border-radius:8px;padding:6px 9px;font:inherit;font-weight:700;background:var(--bg);color:var(--ink)}
.blk-by{margin-inline-end:auto}
.blk-move{display:flex;gap:4px}
.blk textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:9px 11px;font:inherit;background:var(--bg);color:var(--ink);resize:vertical;line-height:1.7}
.blk textarea:focus{outline:none;border-color:var(--accent)}
.blk-act{display:flex;gap:8px;margin-top:8px}
.blk-add{display:flex;gap:8px;margin-top:12px}
.blk-add select{border:1px solid var(--line);border-radius:10px;padding:9px 11px;font:inherit;font-weight:700;background:var(--panel);color:var(--ink)}
/* type accents */
.blk-heading{border-inline-start-color:var(--accent)}
.blk-heading textarea{font-weight:800;font-size:1.05rem}
.blk-bullets{border-inline-start-color:#6b7cff}
.blk-note{border-inline-start-color:var(--gold);background:linear-gradient(0deg,transparent,rgba(201,138,43,.05))}
.blk-example{border-inline-start-color:var(--teal)}
.blk-activity{border-inline-start-color:var(--ok);background:linear-gradient(0deg,transparent,rgba(25,154,88,.06))}
.blk-question{border-inline-start-color:#b06bff}
.blk-cover{border-inline-start-color:var(--teal)}
.blk-cards{border-inline-start-color:#6b7cff}
.blk-image{border-inline-start-color:var(--muted)}
.blk-hint{font-size:.76rem;color:var(--muted);margin-top:6px;line-height:1.6}

/* ---- rendered blocks (preview + future export) ---- */
.preview{display:flex;flex-direction:column;gap:16px;margin-top:6px}
.r-cover{text-align:center;padding:26px 18px;border:1px solid var(--line);border-radius:16px;
  background:radial-gradient(120% 100% at 50% 0,rgba(79,70,229,.10),transparent);box-shadow:var(--shadow)}
.r-cover h2{margin:.1em 0;font-size:1.7rem}
.r-sub{color:var(--teal);font-weight:800;font-size:1.05rem;margin:.2em 0}
.r-intro{color:var(--muted);max-width:60ch;margin:.4em auto 0}
.r-h{font-size:1.25rem;margin:.3em 0;padding-inline-start:10px;border-inline-start:4px solid var(--accent)}
.r-t{margin:.2em 0;line-height:1.8}
.r-ul{margin:.2em 0;padding-inline-start:1.3em;line-height:1.9}
.r-note{background:rgba(201,138,43,.1);border:1px solid var(--gold);border-radius:12px;padding:12px 14px;line-height:1.8}
.r-ex{background:rgba(14,159,156,.08);border:1px solid var(--teal);border-radius:12px;padding:12px 14px}
.r-ex>b,.r-act>b{display:block;margin-bottom:4px}
.r-act{background:rgba(25,154,88,.09);border:1px solid var(--ok);border-radius:12px;padding:14px 16px}
.r-q{background:rgba(176,107,255,.09);border:1px solid #b06bff;border-radius:12px;padding:12px 14px;font-weight:700}
.r-img{margin:0;text-align:center}.r-img img{max-width:100%;border-radius:12px;border:1px solid var(--line)}
.r-img-ph{padding:40px;border:1px dashed var(--line);border-radius:12px;color:var(--muted)}
.r-img figcaption{color:var(--muted);font-size:.85rem;margin-top:6px}
/* cards grid — the infographic workhorse */
.r-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.r-card{display:flex;gap:11px;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:14px;box-shadow:var(--shadow);align-items:flex-start}
.r-card-i{font-size:1.7rem;line-height:1;flex:none;filter:saturate(1.1)}
.r-card-b{min-width:0}
.r-card-b>b{display:block;font-size:1rem;margin-bottom:5px}
.r-card-b ul{margin:0;padding-inline-start:1.1em;color:var(--muted);font-size:.87rem;line-height:1.75}
/* steps — numbered process/stepper */
.blk-steps{border-inline-start-color:var(--gold)}
.r-steps{position:relative;display:flex;flex-direction:column;gap:16px;margin:.5em 0;padding-inline-start:4px}
.r-step{display:flex;gap:16px;align-items:flex-start;position:relative}
.r-step:not(:last-child)::before{content:"";position:absolute;inset-inline-start:19px;top:42px;bottom:-16px;width:2px;
  background:linear-gradient(var(--accent),var(--line));opacity:.55;border-radius:2px}
.r-step-n{flex:none;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#7b8bff);
  color:#fff;font-weight:800;font-size:1.05rem;display:flex;align-items:center;justify-content:center;z-index:1;
  box-shadow:0 0 0 4px var(--bg),0 5px 14px rgba(79,70,229,.35)}
.r-step-b{flex:1;min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:12px 16px;
  box-shadow:var(--shadow);transition:border-color .15s,transform .15s}
.r-step-b:hover{border-color:var(--accent);transform:translateY(-1px)}
.r-step-b>b{font-size:1.06rem;display:block;line-height:1.5}
.r-step-d{color:var(--muted);font-size:.9rem;margin-top:4px;line-height:1.75}
/* compare — two-sided table */
.blk-compare{border-inline-start-color:#3a4a8c}
.r-cmp-scroll{overflow-x:auto}
.r-cmp{width:100%;border-collapse:separate;border-spacing:0 8px}
.r-cmp th,.r-cmp td{padding:11px 13px;vertical-align:top;text-align:start}
.r-cmp thead th{font-size:1rem;border-radius:10px;font-weight:800}
.r-cmp thead .cl{background:#1f2a4d;color:#fff}
.r-cmp thead .cr{background:#128a5f;color:#fff}
.r-cmp .cmp-lbl{font-weight:800;white-space:nowrap;color:var(--ink);background:var(--bg);border-radius:10px}
.r-cmp tbody td{background:var(--panel);border:1px solid var(--line);line-height:1.7;min-width:210px}
/* general multi-column table */
.blk-table{border-inline-start-color:#3a4a8c}
.r-table-scroll{overflow-x:auto}
.r-table{width:100%;border-collapse:collapse;font-size:.9rem}
.r-table th,.r-table td{border:1px solid var(--line);padding:9px 12px;text-align:start;vertical-align:top;line-height:1.6;min-width:120px}
.r-table thead th{background:var(--ink);color:var(--bg);font-weight:800;position:sticky;top:0}
.r-table tbody th{background:var(--bg);font-weight:800;white-space:nowrap}
.r-table tbody tr:nth-child(even) td{background:color-mix(in srgb,var(--bg) 55%,transparent)}
/* assessment */
.ao{background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--ok);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow);margin-bottom:16px}
.ao.gap{border-inline-start-color:var(--gold)}
.ao-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.ao-text{flex:1;min-width:0;font-weight:700;line-height:1.6}
.ao-gen{margin-inline-start:auto}
.ao-gen .busy{align-items:center;gap:6px;color:var(--accent)}
.ai-item{background:var(--bg);border:1px solid var(--line);border-radius:11px;padding:11px 12px;margin-bottom:9px}
.ai-top{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.ai-top select{border:1px solid var(--line);border-radius:8px;padding:6px 9px;font:inherit;font-weight:700;background:var(--panel);color:var(--ink)}
.ai-pts{font-size:.82rem;color:var(--muted);font-weight:700;display:flex;align-items:center;gap:5px}
.ai-pts input{width:52px;border:1px solid var(--line);border-radius:7px;padding:5px;font:inherit;text-align:center;background:var(--panel);color:var(--ink)}
.ai-item textarea,.ai-item input[name="answer"]{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;background:var(--panel);color:var(--ink);resize:vertical;margin-bottom:7px;line-height:1.7}
.ai-item textarea:focus,.ai-item input:focus{outline:none;border-color:var(--accent)}
.ai-act{display:flex;gap:8px}
.ai-add{display:flex;gap:8px;margin-top:6px}
.ai-add select{border:1px solid var(--line);border-radius:9px;padding:7px 10px;font:inherit;font-weight:700;background:var(--bg);color:var(--ink)}
/* instructor notes */
.inst{margin:0 0 18px;background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--gold);border-radius:12px;padding:0 14px;box-shadow:var(--shadow)}
.inst summary{cursor:pointer;font-weight:800;padding:12px 2px;list-style:none}
.inst summary::-webkit-details-marker{display:none}
.inst[open] summary{border-bottom:1px solid var(--line)}
.inst-form{padding:12px 0}
.inst-form textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font:inherit;line-height:1.9;background:var(--bg);color:var(--ink);resize:vertical}
.inst-form textarea:focus{outline:none;border-color:var(--accent)}
.inst-act{display:flex;gap:8px;align-items:center;margin-top:8px;flex-wrap:wrap}
.inst-act .busy{padding:0}
/* glossary */
.gloss{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.gloss{grid-template-columns:1fr}}
.gterm{background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--teal);border-radius:12px;padding:11px 13px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:7px}
.gt-head{display:flex;align-items:center;gap:8px}
.gt-term{flex:1;min-width:0;border:1px solid transparent;border-radius:8px;padding:6px 8px;font:inherit;font-weight:800;font-size:1.02rem;background:transparent;color:var(--ink)}
.gt-term:focus{outline:none;border-color:var(--accent);background:var(--bg)}
.gt-term-en{flex:1;min-width:0;border:1px solid transparent;border-radius:8px;padding:6px 8px;font:inherit;font-size:.9rem;font-weight:600;color:var(--muted);background:transparent}
.gt-term-en:focus{outline:none;border-color:var(--accent);background:var(--bg);color:var(--ink)}
.gt-def{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;background:var(--bg);color:var(--ink);resize:vertical;line-height:1.7}
.gt-def:focus{outline:none;border-color:var(--accent)}
.gt-act{display:flex;gap:8px}
/* feedback hub */
.fb-share{background:var(--panel);border:1px solid var(--line);border-inline-start:4px solid var(--accent);border-radius:14px;padding:15px 16px;box-shadow:var(--shadow);margin-bottom:16px}
.fb-share-h{display:flex;flex-direction:column;gap:3px;margin-bottom:10px}.fb-share-h .muted{font-size:.84rem}
.fb-url{display:flex;gap:8px}
.fb-url input{flex:1;min-width:0;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;background:var(--bg);color:var(--ink);direction:ltr;text-align:start}
.fb-share-act{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.fb-bars{display:flex;flex-direction:column;gap:11px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow);margin-bottom:18px}
.fb-bar{display:flex;align-items:center;gap:12px}
.fb-bl{flex:none;width:150px;font-weight:700;font-size:.9rem}
.fb-track{flex:1;height:12px;background:var(--bg);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.fb-fill{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#7b8bff);border-radius:999px}
.fb-val{flex:none;width:58px;text-align:end;font-weight:800}.fb-val small{color:var(--muted);font-weight:600}
@media(max-width:560px){.fb-bl{width:110px;font-size:.82rem}}
.fb-ch{margin:6px 0 12px;font-size:1.05rem}
.fb-comments{display:flex;flex-direction:column;gap:10px}
.fb-c{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow)}
.fb-c-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.fb-stars{color:var(--gold);letter-spacing:1px;margin-inline-start:auto}
.fb-c-t{margin-top:6px;line-height:1.8}
.fb-c-q{display:block;font-size:.78rem;font-weight:800;color:var(--muted)}
.fb-print{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:40px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:14px}
.fb-print-ic{font-size:2.6rem}.fb-print p{color:var(--muted);max-width:44ch;margin:0}
.btn.big{font-size:1.05rem;padding:12px 24px}

/* horizontal numbered steps (compact row instead of tall vertical stepper) */
.r-steps{flex-flow:row wrap!important;align-items:stretch;gap:10px;padding-inline-start:0}
.r-step{flex:1 1 150px;min-width:140px;flex-direction:column!important;align-items:stretch!important;gap:8px;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow)}
.r-step:not(:last-child)::before{content:none!important}
.r-step-n{width:30px;height:30px;font-size:.92rem}
.r-step-b{flex:none!important;background:transparent!important;border:0!important;padding:0!important;box-shadow:none!important}
.r-step-b:hover{transform:none!important}
.r-step-b>b{font-size:.95rem;line-height:1.4}
.r-step-d{font-size:.82rem;margin-top:3px;line-height:1.65}
@media(max-width:600px){.r-step{flex-basis:100%}}