/* Shared styles for every page. Soft single-theme palette, RTL/LTR via html[dir]. */
:root{color-scheme:light;}
body{margin:0;}
img{max-width:100%;}
[hidden]{display:none!important;}

  :root{
    --bg:#f4f6f4;
    --surface:#ffffff;
    --surface-2:#e9ede9;
    --ink:#3a453f;
    --muted:#5f6c65;        /* 4.5:1 on white and the page background (WCAG AA) */
    --accent:#447f62;       /* white text on it: 4.7:1 */
    --accent-ink:#3a7156;
    --accent-soft:#e8f2ec;
    --accent-2:#985c2c;
    --accent-2-soft:#f6ece0;
    --border:#e2e7e3;
    --shadow: 0 1px 2px rgba(58,69,63,.04), 0 6px 18px -10px rgba(58,69,63,.10);
  }
  /* Same soft light look as the English plan — deliberately single-theme. */

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{

    background:var(--bg);
    color:var(--ink);
    font-family:'Tajawal',system-ui,sans-serif;
    font-size:16px;
    padding-inline:20px;
    padding-block:28px 60px;
    line-height:1.75;
  }
  .wrap{max-width:1080px;margin-inline:auto;}
  .mono{font-family:'JetBrains Mono',ui-monospace,monospace;direction:ltr;unicode-bidi:isolate;}
  code{
    font-family:'JetBrains Mono',ui-monospace,monospace;direction:ltr;unicode-bidi:isolate;
    font-size:.86em;background:var(--surface-2);border-radius:5px;padding:1px 6px;color:var(--ink);
    word-break:break-word;
  }
  button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px;}
  @media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} .progress-fill,.mini-fill{transition:none!important;} }

  header.top{
    display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;
    margin-bottom:18px;
  }
  h1{
    font-family:'Cairo',sans-serif;font-weight:800;font-size:clamp(24px,4vw,34px);
    margin:0 0 6px;text-wrap:balance;
  }
  .sub{color:var(--muted);font-size:16px;max-width:60ch;margin:0;}
  .brand-tag{
    font-family:'JetBrains Mono';direction:ltr;font-size:12px;color:var(--accent-ink);
    background:var(--accent-soft);border:1px solid var(--border);border-radius:999px;
    padding:4px 12px;display:inline-block;margin-bottom:10px;letter-spacing:.5px;
  }
  .stat-cards{display:flex;gap:10px;flex-wrap:wrap;}
  .streak-card{
    background:var(--surface);border:1px solid var(--border);border-radius:16px;
    padding:12px 18px;box-shadow:var(--shadow);text-align:center;min-width:112px;
  }
  .streak-card .num{font-family:'Cairo';font-weight:800;font-size:28px;color:var(--accent-ink);line-height:1.1;}
  .streak-card .num.alt{color:var(--accent-2);}
  .streak-card .lbl{font-size:13px;color:var(--muted);margin-top:4px;}

  /* sticky section nav */
  .snav{
    position:sticky;top:env(safe-area-inset-top,0px);z-index:20;
    display:flex;gap:6px;overflow-x:auto;padding-block:10px;margin-bottom:8px;
    background:var(--bg);border-bottom:1px solid var(--border);
    scrollbar-width:none;
  }
  .snav::-webkit-scrollbar{display:none;}
  .snav a{
    flex:none;text-decoration:none;font-family:'Cairo';font-weight:700;font-size:14px;
    color:var(--ink);background:var(--surface);border:1px solid var(--border);
    border-radius:999px;padding:6px 14px;
  }
  .snav a.on{background:var(--accent);border-color:var(--accent);color:#fff;}

  section{margin-block:44px;scroll-margin-top:64px;}
  h2{
    font-family:'Cairo';font-weight:700;font-size:22px;margin:0 0 6px;
    display:flex;align-items:center;gap:10px;
  }
  h2 .n{
    font-family:'JetBrains Mono';font-size:13px;color:var(--accent-ink);
    background:var(--accent-soft);border:1px solid var(--border);
    border-radius:6px;padding:3px 9px;direction:ltr;
  }
  .section-desc{color:var(--muted);font-size:15.5px;margin:0 0 18px;max-width:74ch;}
  .sub-h{font-family:'Cairo';font-size:15.5px;margin:0 0 4px;}
  .sub-note{font-size:13.5px;color:var(--muted);margin:0 0 10px;}

  /* chips / tabs */
  .cat-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
  .cat-tab{
    font-family:'Cairo';font-weight:700;font-size:14.5px;padding:7px 15px;border-radius:999px;
    border:1px solid var(--border);background:var(--surface);color:var(--ink);cursor:pointer;
    display:inline-flex;align-items:center;gap:8px;
  }
  .cat-tab .cnt{font-family:'JetBrains Mono';direction:ltr;font-size:12px;font-weight:500;opacity:.75;}
  .cat-tab.active .cnt{opacity:1;}
  .cat-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;}

  /* journey map */
  .map-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:12px;}
  .map-cell{
    text-align:start;font:inherit;color:inherit;cursor:pointer;
    background:var(--surface);border:1px solid var(--border);border-radius:14px;
    padding:14px 16px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px;
  }
  .map-cell.sel{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft), var(--shadow);}
  .map-cell.done{background:var(--accent-soft);}
  .map-top{display:flex;justify-content:space-between;align-items:baseline;}
  .map-n{font-family:'Cairo';font-weight:800;font-size:17px;}
  .map-cnt{font-family:'JetBrains Mono';direction:ltr;font-size:12px;color:var(--muted);}
  .map-row{font-size:14px;line-height:1.55;}
  .map-row .tag{
    display:inline-block;font-family:'Cairo';font-weight:700;font-size:11.5px;border-radius:6px;
    padding:0 7px;margin-inline-end:6px;
  }
  .tag.n8{background:var(--accent-soft);color:var(--accent-ink);border:1px solid var(--border);}
  .tag.lg{background:var(--accent-2-soft);color:var(--accent-2);border:1px solid var(--border);}
  .mini-bar{height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin-top:auto;}
  .mini-fill{height:100%;background:var(--accent);width:0%;transition:width .3s;}

  /* week head + spotlight cards */
  .week-head{margin-bottom:14px;}
  .week-head h3{font-family:'Cairo';font-size:20px;margin:0 0 4px;color:var(--accent-ink);}
  .week-head p{margin:0;color:var(--muted);font-size:15.5px;max-width:74ch;}
  .spot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:14px;margin-bottom:20px;}
  .wow-card{
    background:linear-gradient(135deg, var(--accent-soft), var(--surface));
    border:1px solid var(--border); border-radius:18px;
    padding:20px 24px; box-shadow:var(--shadow);
    display:flex; flex-direction:column; gap:10px;
  }
  .wow-card.lang{background:linear-gradient(135deg, var(--accent-2-soft), var(--surface));}
  .wow-eyebrow{font-family:'Cairo'; font-weight:700; font-size:13px; color:var(--accent-ink);}
  .wow-card.lang .wow-eyebrow{color:var(--accent-2);}
  .wow-term{font-family:'JetBrains Mono'; direction:ltr; font-size:24px; font-weight:700; color:var(--ink);}
  .wow-card.lang .wow-term{font-family:'Cairo';direction:rtl;font-size:22px;}
  .wow-mean{font-size:15px; color:var(--muted);}
  .wow-example{
    font-family:'JetBrains Mono'; direction:ltr; font-size:13px; color:var(--accent-ink);
    background:var(--surface); border:1px solid var(--border); border-radius:10px;
    padding:9px 13px; word-break:break-word;
  }
  .wow-example-ar{font-size:13.5px; color:var(--muted);}

  .filter-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
  .filter-row .lbl{font-size:14px;color:var(--muted);}

  /* daily grid */
  .week-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,310px),1fr));gap:14px;}
  .day-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;
    padding:18px 20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
  }
  .day-card.today{border-color:var(--accent-2);box-shadow:0 0 0 2px var(--accent-2-soft), var(--shadow);}
  .day-card.complete{background:var(--accent-soft);}
  .day-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;}
  .day-name{font-family:'Cairo';font-weight:700;font-size:18px;}
  .today-pill{
    font-size:12.5px;background:var(--accent-2-soft);color:var(--accent-2);
    border-radius:999px;padding:3px 10px;font-family:'Cairo';font-weight:700;
  }
  .blk{display:flex;flex-direction:column;gap:8px;border-top:1px dashed var(--border);padding-top:12px;}
  .blk-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
  .blk-head .tag{font-family:'Cairo';font-weight:700;font-size:12px;border-radius:6px;padding:1px 8px;}
  .blk-focus{font-size:14.5px;font-weight:700;}
  .blk.a .blk-focus{color:var(--accent-ink);}
  .blk.b .blk-focus{color:var(--accent-2);}
  .task{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;line-height:1.7;}
  .task input{margin-top:5px;accent-color:var(--accent);width:18px;height:18px;flex:none;cursor:pointer;}
  .blk.b .task input{accent-color:var(--accent-2);}
  .task label{cursor:pointer;}
  .task input:checked + label{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--border);}
  .day-time{
    margin-top:auto;font-family:'JetBrains Mono';direction:ltr;font-size:12.5px;
    color:var(--muted);border-top:1px dashed var(--border);padding-top:10px;
  }

  /* tracks */
  .track-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:14px;}
  .track-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;
    padding:18px 20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;
  }
  .track-top{display:flex;justify-content:space-between;align-items:center;gap:8px;}
  .track-name{font-family:'Cairo';font-weight:800;font-size:18px;}
  .lvl{font-family:'Cairo';font-weight:700;font-size:12px;border-radius:999px;padding:2px 10px;border:1px solid var(--border);}
  .lvl.must{background:var(--accent-2-soft);color:var(--accent-2);}
  .lvl.imp{background:var(--accent-soft);color:var(--accent-ink);}
  .lvl.nice{background:var(--surface-2);color:var(--muted);}
  .track-why{font-size:14.5px;color:var(--muted);margin:0;}
  .track-weeks{font-family:'JetBrains Mono';direction:ltr;font-size:12px;color:var(--accent-ink);}
  .skill-list{display:flex;flex-direction:column;gap:2px;margin-top:4px;}
  .skill-list .task{font-size:14px;}

  /* reference */
  .phrase-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:10px;}
  .phrase-card{
    background:var(--surface);border:1px solid var(--border);border-radius:12px;
    padding:12px 14px;box-shadow:var(--shadow);min-width:0;
  }
  .phrase-card .row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;}
  .phrase-card .u{font-size:13.5px;color:var(--muted);}
  .copy-btn{
    flex:none;font-family:'Cairo';font-weight:700;font-size:12px;cursor:pointer;
    border:1px solid var(--border);background:var(--surface-2);color:var(--ink);
    border-radius:999px;padding:2px 10px;
  }
  pre.code{
    direction:ltr;text-align:left;font-family:'JetBrains Mono';font-size:12.5px;margin:8px 0 0;
    background:var(--surface-2);border-radius:8px;padding:10px 12px;overflow-x:auto;color:var(--ink);
    line-height:1.6;
  }

  /* glossary */
  .vocab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:12px;}
  .vocab-card{
    background:var(--surface);border:1px solid var(--border);border-radius:12px;
    padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px;
    box-shadow:var(--shadow);
  }
  .vocab-card .term{font-family:'JetBrains Mono';direction:ltr;font-size:16px;font-weight:700;}
  .vocab-card .mean{font-size:14.5px;color:var(--muted);margin-top:4px;}
  .vocab-card input{accent-color:var(--accent);width:19px;height:19px;cursor:pointer;flex:none;}
  .progress-bar{
    height:9px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin:10px 0 6px;
    border:1px solid var(--border);
  }
  .progress-fill{height:100%;background:var(--accent);width:0%;transition:width .3s;}
  .progress-txt{font-size:14px;color:var(--muted);}

  /* projects */
  .proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:12px;margin-bottom:22px;}
  .proj-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;
    padding:14px 16px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:flex-start;
  }
  .proj-card input{margin-top:6px;accent-color:var(--accent);width:18px;height:18px;flex:none;cursor:pointer;}
  .proj-card .pw{font-family:'JetBrains Mono';direction:ltr;font-size:12px;color:var(--accent-ink);}
  .proj-card .pt{font-family:'Cairo';font-weight:700;font-size:15.5px;}
  .proj-card .pd{font-size:14px;color:var(--muted);}
  .proj{
    background:var(--surface);border:1px solid var(--border);border-radius:16px;
    padding:22px 24px;box-shadow:var(--shadow);
  }
  .flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:6px 0 18px;}
  .flow-step{
    font-family:'JetBrains Mono';direction:ltr;font-size:13px;font-weight:500;
    background:var(--accent-soft);border:1px solid var(--border);color:var(--accent-ink);
    border-radius:8px;padding:6px 12px;
  }
  .flow-arrow{color:var(--muted);font-size:16px;}
  .proj .task{margin-bottom:8px;}
  .proj-h{font-family:'Cairo';font-size:15px;margin:0 0 8px;}

  /* errors */
  .err-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,400px),1fr));gap:10px;}
  .err-card{
    background:var(--surface);border:1px solid var(--border);border-radius:12px;
    padding:14px 16px;box-shadow:var(--shadow);min-width:0;
  }
  .err-card .msg{font-family:'JetBrains Mono';direction:ltr;text-align:left;font-size:13.5px;font-weight:700;color:var(--accent-2);word-break:break-word;}
  .err-card .meaning{font-size:14.5px;margin-top:6px;}
  .err-card .cause{font-size:13.5px;color:var(--muted);margin-top:4px;}
  .err-card .fix{font-size:13.5px;color:var(--accent-ink);margin-top:4px;}

  /* resources */
  .res-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:14px;}
  .res-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px;
    box-shadow:var(--shadow);
  }
  .res-card h3{font-family:'Cairo';font-size:17px;margin:0 0 10px;color:var(--accent-ink);}
  .res-card ul{margin:0;padding-inline-start:18px;font-size:14.5px;color:var(--ink);}
  .res-card li{margin-bottom:8px;}
  .res-card li b{font-family:'JetBrains Mono';direction:ltr;unicode-bidi:isolate;display:inline-block;font-size:14px;}

  .tip{
    background:var(--accent-soft);border:1px solid var(--border);border-radius:14px;
    padding:18px 20px;font-size:15.5px;color:var(--accent-ink);
  }
  .tip b{font-family:'Cairo';}
  footer{
    margin-top:44px;padding-top:18px;border-top:1px solid var(--border);
    color:var(--muted);font-size:13.5px;text-align:center;
  }
  /* term example line */
  .vocab-card .tex{
    font-family:'JetBrains Mono';direction:ltr;unicode-bidi:isolate;font-size:12.5px;
    color:var(--accent-ink);background:var(--surface-2);border-radius:6px;padding:3px 8px;margin-top:6px;
    word-break:break-word;
  }
  .vocab-card .tex code{background:none;padding:0;border:0;font:inherit;color:inherit;}
  .vocab-card > div{min-width:0;}

  /* sprint */
  .sprint-intro{
    background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px 22px;
    box-shadow:var(--shadow);margin-bottom:16px;display:grid;gap:10px;
  }
  .sprint-intro p{margin:0;font-size:15px;}
  .sprint-intro .honest{color:var(--accent-2);font-size:14px;}
  .rhythm{display:flex;flex-wrap:wrap;gap:8px;}
  .rhythm span{
    font-size:13px;background:var(--accent-soft);color:var(--accent-ink);border:1px solid var(--border);
    border-radius:8px;padding:4px 10px;
  }
  .day-tabs{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin-bottom:18px;}
  .day-tab{
    font:inherit;color:inherit;cursor:pointer;text-align:start;
    background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 12px;
    display:flex;flex-direction:column;gap:4px;min-width:0;
  }
  .day-tab .dn{font-family:'Cairo';font-weight:800;font-size:15px;}
  .day-tab .dt{font-size:12.5px;color:var(--muted);line-height:1.45;}
  .day-tab.sel{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft);}
  .day-tab.done{background:var(--accent-soft);}
  .sp-head h3{font-family:'Cairo';font-size:21px;margin:0 0 4px;color:var(--accent-ink);text-wrap:balance;}
  .sp-head p{margin:0 0 4px;color:var(--muted);font-size:15.5px;max-width:74ch;}
  .sp-head .mono{font-size:12.5px;color:var(--accent-2);}
  .sp-block{margin-top:22px;}
  .sp-block > h4{
    font-family:'Cairo';font-size:16px;margin:0 0 10px;display:flex;align-items:center;gap:8px;
  }
  .sp-block > h4 .step{
    font-family:'JetBrains Mono';font-size:11.5px;color:#fff;background:var(--accent);
    border-radius:6px;padding:1px 8px;direction:ltr;
  }
  .learn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:12px;}
  .learn-card{
    background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;
    min-width:0;display:flex;flex-direction:column;gap:6px;
  }
  .learn-card .lh{font-family:'Cairo';font-weight:700;font-size:15.5px;}
  .learn-card .lp{font-size:14.5px;margin:0;}
  .learn-card pre.code{margin-top:4px;}
  .build-list{
    background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;
    display:flex;flex-direction:column;gap:6px;
  }
  .challenge{
    background:var(--accent-2-soft);border:1px solid var(--border);border-radius:14px;padding:16px 18px;
    font-size:15px;
  }
  .challenge b{font-family:'Cairo';color:var(--accent-2);}
  .link-btn{
    font-family:'Cairo';font-weight:700;font-size:14px;cursor:pointer;
    background:var(--accent);color:#fff;border:0;border-radius:999px;padding:8px 18px;margin-top:12px;
  }

  /* worked examples */
  .ex-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:12px;}
  details.ex-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);
    min-width:0;
  }
  details.ex-card[open]{grid-column:1 / -1;}
  details.ex-card summary{
    cursor:pointer;list-style:none;padding:14px 18px;display:flex;flex-direction:column;gap:6px;
  }
  details.ex-card summary::-webkit-details-marker{display:none;}
  .ex-top{display:flex;justify-content:space-between;gap:8px;align-items:baseline;}
  .ex-t{font-family:'Cairo';font-weight:800;font-size:16.5px;}
  .ex-lvl{font-family:'Cairo';font-weight:700;font-size:12px;border-radius:999px;padding:1px 10px;border:1px solid var(--border);flex:none;}
  .ex-lvl.l1{background:var(--accent-soft);color:var(--accent-ink);}
  .ex-lvl.l2{background:var(--accent-2-soft);color:var(--accent-2);}
  .ex-lvl.l3{background:var(--ink);color:var(--surface);}
  .ex-use{font-size:14px;color:var(--muted);}
  .ex-body{padding:0 18px 18px;display:grid;gap:12px;}
  .ex-body ol{margin:0;padding-inline-start:22px;font-size:14.5px;display:grid;gap:4px;}
  .ex-body .flow{margin:0;}
  .ex-tip{font-size:14px;color:var(--accent-ink);background:var(--accent-soft);border-radius:10px;padding:10px 14px;}
  details[open] .ex-more{display:none;}
  .ex-more{font-size:13px;color:var(--accent-ink);font-family:'Cairo';font-weight:700;}

  /* quiz */
  .quiz-score{font-size:15px;margin-bottom:12px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
  .quiz-score b{font-family:'Cairo';font-size:18px;color:var(--accent-ink);}
  .quiz-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:12px;}
  .q-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;
    box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;min-width:0;
  }
  .q-card .qn{font-family:'JetBrains Mono';font-size:12px;color:var(--muted);direction:ltr;}
  .q-card .qq{font-weight:700;font-size:15px;}
  .q-opts{display:grid;gap:6px;}
  .q-opt{
    font:inherit;font-size:14.5px;text-align:start;cursor:pointer;color:var(--ink);
    background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:8px 12px;
  }
  .q-opt:hover{border-color:var(--accent);}
  .q-opt.right{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink);font-weight:700;}
  .q-opt.wrong{background:var(--accent-2-soft);border-color:var(--accent-2);color:var(--accent-2);text-decoration:line-through;}
  .q-why{font-size:14px;color:var(--muted);border-top:1px dashed var(--border);padding-top:8px;}
  .ghost-btn{
    font-family:'Cairo';font-weight:700;font-size:13px;cursor:pointer;
    background:transparent;color:var(--accent-2);border:1px solid var(--border);border-radius:999px;padding:4px 12px;
  }

  /* flashcards */
  .mode-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:4px 0 14px;}
  .flash-wrap{display:grid;justify-items:center;gap:12px;margin-bottom:22px;}
  .flash{
    width:min(520px,100%);min-height:210px;cursor:pointer;font:inherit;color:inherit;
    background:linear-gradient(135deg,var(--accent-soft),var(--surface));
    border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:22px 24px;
    display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;text-align:center;
  }
  .flash .f-cat{font-family:'Cairo';font-size:12.5px;color:var(--muted);}
  .flash .f-term{font-family:'JetBrains Mono';direction:ltr;font-size:26px;font-weight:700;word-break:break-word;}
  .flash .f-mean{font-size:16px;}
  .flash .f-ex{
    font-family:'JetBrains Mono';direction:ltr;font-size:13px;color:var(--accent-ink);background:var(--surface);
    border:1px solid var(--border);border-radius:8px;padding:6px 10px;word-break:break-word;
  }
  .flash .f-hint{font-size:12.5px;color:var(--muted);}
  .flash-ctl{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;}
  .flash-ctl .know{background:var(--accent);color:#fff;border-color:var(--accent);}
  .flash-meta{font-size:13.5px;color:var(--muted);}

  /* library */
  .lib-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px;}
  .lib-search{display:flex;align-items:center;gap:8px;flex:1 1 260px;font-size:14px;color:var(--muted);}
  .lib-search input{
    flex:1;min-width:0;font:inherit;font-size:15px;color:var(--ink);background:var(--surface);
    border:1px solid var(--border);border-radius:999px;padding:8px 16px;
  }
  .lib-search input:focus{outline:2px solid var(--accent);outline-offset:1px;}
  .lib-count{font-size:13.5px;color:var(--muted);}
  .lib-filter{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);}
  .lib-filter select{
    font:inherit;font-size:14px;color:var(--ink);background:var(--surface);min-height:40px;
    border:1px solid var(--border);border-radius:999px;padding:6px 12px;
  }
  .lib-filter select:focus{outline:2px solid var(--accent);outline-offset:1px;}
  @media (max-width:600px){ .lib-filter{flex:1 1 45%;} .lib-filter select{flex:1;min-width:0;} }
  .lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:12px;}
  .lib-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;
    box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;min-width:0;
  }
  .lib-card.read{background:var(--accent-soft);}
  .lib-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;}
  .lib-t{font-family:'Cairo';font-weight:800;font-size:16px;line-height:1.5;}
  .lib-t a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--accent);}
  .lib-t a:hover{color:var(--accent-ink);}
  .lib-badges{display:flex;flex-wrap:wrap;gap:6px;}
  .badge{font-family:'Cairo';font-weight:700;font-size:11.5px;border-radius:6px;padding:1px 8px;border:1px solid var(--border);background:var(--surface-2);color:var(--muted);}
  .badge.ar{background:var(--accent-2-soft);color:var(--accent-2);}
  .badge.free{background:var(--accent-soft);color:var(--accent-ink);}
  .lib-why{font-size:14px;color:var(--muted);margin:0;}
  .lib-read{font-size:14px;background:var(--surface-2);border-radius:10px;padding:8px 12px;}
  .lib-read b{font-family:'Cairo';color:var(--accent-ink);}
  .lib-days{font-family:'JetBrains Mono';direction:ltr;font-size:12px;color:var(--accent-2);}
  .lib-url{font-family:'JetBrains Mono';direction:ltr;font-size:12px;color:var(--muted);word-break:break-all;}
  .lib-card .task{margin-top:auto;font-size:13.5px;}
  .read-list{display:grid;gap:8px;}
  .read-row{
    background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 14px;
    display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline;justify-content:space-between;
  }
  .read-row a{font-family:'Cairo';font-weight:700;color:var(--accent-ink);}
  .read-row span{font-size:14px;color:var(--muted);flex:1 1 260px;}

  @media (max-width:720px){
    .day-tabs{grid-template-columns:repeat(4,minmax(0,1fr));}
  }
  @media (max-width:480px){
    .day-tabs{grid-template-columns:repeat(2,minmax(0,1fr));}
    .ex-grid,.quiz-list,.learn-grid,.lib-grid{grid-template-columns:minmax(0,1fr);}
    .err-list{grid-template-columns:minmax(0,1fr);}
    .week-grid,.spot-grid,.track-grid,.phrase-grid{grid-template-columns:minmax(0,1fr);}
  }

/* ---------- English page extras ---------- */

  /* english-page extras */
  .speak{
    flex:none;cursor:pointer;font-size:14px;line-height:1;border:1px solid var(--border);
    background:var(--surface-2);color:var(--accent-ink);border-radius:999px;padding:5px 8px;
  }
  .speak:hover{border-color:var(--accent);}
  .vocab-card .acts{display:flex;flex-direction:column;align-items:center;gap:8px;flex:none;}
  .wow-row{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;}
  .wow-row > div{min-width:0;}
  .wow-card .wow-term{text-align:right;}
  .level-card{min-width:150px;}
  .passage{
    direction:ltr;text-align:left;font-family:'Tajawal',system-ui,sans-serif;font-size:15.5px;line-height:1.8;
    background:var(--surface-2);border-radius:10px;padding:12px 16px;white-space:pre-wrap;word-break:break-word;
  }
  .passage.code{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:13px;white-space:pre;overflow-x:auto;}
  .kw-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));gap:6px;}
  .kw{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:6px 10px;font-size:14px;}
  .kw b{font-family:'JetBrains Mono';direction:ltr;unicode-bidi:isolate;color:var(--accent-ink);}
  .tr{font-size:14.5px;color:var(--muted);border-inline-start:3px solid var(--accent-soft);padding-inline-start:10px;}
  details.ans{font-size:14.5px;}
  details.ans summary{cursor:pointer;font-family:'Cairo';font-weight:700;color:var(--accent-2);}
  .grammar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:12px;}
  .g-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);display:grid;gap:8px;min-width:0;}
  .g-card h3{font-family:'Cairo';font-size:16px;margin:0;color:var(--accent-ink);}
  .g-card p{margin:0;font-size:14.5px;}
  .g-ex{direction:ltr;text-align:left;font-size:14px;background:var(--surface-2);border-radius:8px;padding:8px 12px;display:grid;gap:4px;}
  .g-ex span{display:block;}
  .g-ex .bad{color:var(--accent-2);text-decoration:line-through;}
  .g-ex .good{color:var(--accent-ink);font-weight:700;}
  .phrase-card .p{font-family:'JetBrains Mono';direction:ltr;text-align:left;font-size:13.5px;color:var(--accent-ink);white-space:pre-wrap;word-break:break-word;}

/* ---------- site chrome ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:22px;}
.topbar .home{font-family:'Cairo',sans-serif;font-weight:700;font-size:14px;color:var(--accent-ink);text-decoration:none;
  display:inline-flex;align-items:center;gap:8px;}
.topbar .home .dot{width:10px;height:10px;border-radius:3px;background:var(--accent);}
.topbar .links{display:flex;gap:4px;flex-wrap:wrap;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:4px;box-shadow:var(--shadow);}
.topbar .links a{font-family:'Cairo',sans-serif;font-weight:700;font-size:14px;color:var(--ink);text-decoration:none;
  padding:6px 14px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;transition:background .15s,color .15s;}
.topbar .links a:hover{background:var(--accent-soft);color:var(--accent-ink);}
.topbar .links a[aria-current="page"]{background:var(--accent);color:#fff;}
.lang-btn{font-family:'Cairo','Tajawal',sans-serif;font-weight:700;font-size:14px;cursor:pointer;
  background:var(--ink);color:var(--surface);border:0;border-radius:999px;padding:7px 16px;margin-inline-start:4px;}
.lang-btn:hover{background:var(--accent-ink);}
.site-foot{margin-top:44px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted);font-size:13.5px;
  display:flex;flex-wrap:wrap;gap:12px 18px;justify-content:space-between;align-items:center;text-align:start;}
.site-foot a{color:var(--accent-ink);}
.foot-links{display:flex;flex-wrap:wrap;gap:8px;}
.foot-links a{font-family:'Cairo',sans-serif;font-weight:700;font-size:13.5px;text-decoration:none;color:var(--ink);
  background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:5px 14px;transition:border-color .15s,color .15s;}
.foot-links a:hover{border-color:var(--accent);color:var(--accent-ink);}
.foot-links a[aria-current="page"]{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft);}
@media (prefers-reduced-motion: reduce){ .topbar .links a,.foot-links a{transition:none;} }
@media (max-width:480px){ .topbar .links a{padding:6px 10px;} }

/* ---------- LTR (English UI) adjustments ---------- */
html[dir="rtl"] .wow-term, html[dir="rtl"] .vocab-card .term, html[dir="rtl"] .vocab-card .tex,
html[dir="rtl"] .lib-days, html[dir="rtl"] .lib-url, html[dir="rtl"] .q-card .qn{text-align:right;}
html[dir="ltr"] .wow-term, html[dir="ltr"] .vocab-card .term, html[dir="ltr"] .vocab-card .tex,
html[dir="ltr"] .lib-days, html[dir="ltr"] .lib-url, html[dir="ltr"] .q-card .qn{text-align:left;}
html[dir="ltr"] .wow-card.lang .wow-term{direction:ltr;}
html[dir="ltr"] body{font-family:'Tajawal','Cairo',system-ui,sans-serif;}

/* ---------- font size buttons ---------- */
.font-ctl{display:inline-flex;gap:2px;margin-inline-start:4px;}
.font-ctl button{font-family:'Cairo',sans-serif;font-weight:700;font-size:13px;cursor:pointer;min-width:38px;
  background:var(--surface-2);color:var(--ink);border:0;border-radius:999px;padding:7px 10px;}
.font-ctl button:hover:not(:disabled){background:var(--accent-soft);color:var(--accent-ink);}
.font-ctl button:disabled{opacity:.4;cursor:default;}

/* ---------- collapsible sections ---------- */
section.fold > h2{margin:0;}
.fold-btn{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:center;gap:10px;width:100%;
  font-family:'Cairo',sans-serif;font-weight:700;font-size:22px;color:var(--ink);
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);}
.fold-btn:hover{border-color:var(--accent);}
.fold-btn:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px;}
.fold-hint{margin-inline-start:auto;font-size:13px;font-weight:700;color:var(--accent-ink);white-space:nowrap;}
.fold-hint::after{content:'▾';display:inline-block;margin-inline-start:6px;transition:transform .2s;}
section.fold.closed .fold-hint::after{transform:rotate(90deg);}
html[dir="rtl"] section.fold.closed .fold-hint::after{transform:rotate(-90deg);}
section.fold:not(.closed) > h2{margin-bottom:14px;}
section.fold.closed > :not(h2){display:none!important;}
section.fold{margin-block:14px;}
@media (prefers-reduced-motion: reduce){ .fold-hint::after{transition:none;} }

/* ---------- locked sprint days ---------- */
.day-tab.locked{cursor:not-allowed;background:var(--surface-2);color:var(--muted);}
.lock-note{margin:-8px 0 16px;font-size:14px;color:var(--accent-2);background:var(--accent-2-soft);
  border-radius:10px;padding:8px 14px;}

/* ---------- pronunciation controls (English page) ---------- */
.voice-ctl{display:inline-flex;align-items:center;gap:4px;margin-inline-start:4px;}
.voice-ctl select{font-family:'Tajawal',sans-serif;font-size:13px;color:var(--ink);background:var(--surface-2);
  border:0;border-radius:999px;padding:7px 10px;max-width:170px;}
.stop-btn{font-family:'Cairo',sans-serif;font-weight:700;font-size:13px;cursor:pointer;border:0;border-radius:999px;
  padding:7px 12px;background:var(--accent-2);color:#fff;}
.stop-btn[hidden]{display:none!important;}
.speak.playing{background:var(--accent-2);color:#fff;border-color:var(--accent-2);}

/* ---------- credits ---------- */
.credit{width:100%;display:flex;flex-wrap:wrap;gap:4px 14px;justify-content:center;font-size:13.5px;color:var(--muted);
  border-top:1px dashed var(--border);padding-top:12px;}
.credit b{font-family:'Cairo',sans-serif;color:var(--ink);}
.credit .mail{font-family:'JetBrains Mono',monospace;direction:ltr;unicode-bidi:isolate;user-select:all;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.g-card .badge{justify-self:start;}

/* ---------- references ---------- */
.ref-list{margin:0;padding-inline-start:22px;display:grid;gap:10px;font-size:14.5px;max-width:80ch;}
.ref-list a{color:var(--accent-ink);font-weight:700;}
.ref-list .rs{color:var(--muted);font-size:13.5px;display:block;}
.ref-group{margin-bottom:22px;}

/* ---------- 24-week journey ---------- */
.jr-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:6px 0 16px;}
.jr-bar .jr-today{margin:0;}
.jr-sum{font-size:13px;color:var(--muted);flex:1 1 220px;}
.jr-side-btn{margin:0;}
.jr-layout{display:grid;gap:20px;align-items:start;}
.jr-side{display:none;gap:14px;}
.side-open .jr-side{display:grid;}
.jr-month{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px;}
.jr-mh{font-size:14px;margin-bottom:8px;line-height:1.5;}
.jr-mh b{font-family:'Cairo';color:var(--accent-ink);}
.jr-lvl{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:11.5px;color:var(--accent-2);background:var(--accent-2-soft);border-radius:6px;padding:0 6px;white-space:nowrap;}
.jr-weeks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;}
.jr-week{
  font:inherit;text-align:start;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--ink);
  border-radius:10px;padding:7px 9px;display:grid;gap:2px;min-height:44px;
}
.jr-week:hover{border-color:var(--accent);}
.jr-week .jr-wn{font-family:'Cairo';font-weight:800;font-size:13px;}
.jr-week .jr-wt{font-size:12px;color:var(--muted);line-height:1.4;}
.jr-week.sel{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft);}
.jr-week.done{background:var(--accent-soft);}
.jr-week.locked{background:var(--surface-2);}
/* locked items: muted text instead of opacity, so the text keeps 4.5:1 contrast */
.jr-week.locked,.jr-week.locked *,.jr-exam.locked,.jr-exam.locked *{color:var(--muted)!important;}
.jr-week.soon:not(.locked){border-style:dashed;}
.jr-exam{
  font:inherit;font-family:'Cairo';font-weight:800;font-size:13px;width:100%;margin-top:8px;cursor:pointer;text-align:start;
  display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:44px;
  border:1px dashed var(--accent-2);background:var(--surface);color:var(--ink);border-radius:10px;padding:7px 10px;
}
.jr-exam:hover{border-style:solid;}
.jr-exam span{font-family:'JetBrains Mono',ui-monospace,monospace;font-weight:400;font-size:11.5px;background:var(--surface-2);border-radius:6px;padding:0 6px;}
.jr-exam.sel{border-style:solid;box-shadow:0 0 0 2px var(--accent-2-soft);}
.jr-exam.done{background:var(--accent-soft);border:1px solid var(--accent);}
.jr-exam.locked{background:var(--surface-2);}
.jr-from{font-size:11.5px;color:var(--accent-2);margin-bottom:2px;}
.jr-cert{margin-top:18px;border:2px solid var(--accent);border-radius:16px;padding:22px;text-align:center;background:var(--accent-soft);}
.jr-cert-t{font-family:'Cairo';font-weight:800;font-size:24px;color:var(--accent-ink);margin-bottom:8px;}
.jr-cert p{max-width:60ch;margin:0 auto 10px;}
@media print{
  body.print-cert *{visibility:hidden;}
  body.print-cert .jr-cert,body.print-cert .jr-cert *{visibility:visible;}
  body.print-cert .jr-cert{position:absolute;inset:40px 40px auto 40px;}
  body.print-cert .jr-cert button{display:none;}
}
.jr-main{min-width:0;}
.jr-whead{margin-bottom:12px;}
.jr-whead h3{font-family:'Cairo';font-size:clamp(19px,1.6vw + 12px,24px);margin:2px 0 4px;color:var(--accent-ink);text-wrap:balance;}
.jr-whead p{margin:0;color:var(--muted);max-width:74ch;}
.jr-eyebrow{font-size:12.5px;color:var(--accent-2);}
.jr-days{grid-template-columns:repeat(6,minmax(0,1fr));}
.jr-days .day-tab .dt{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.jr-review{margin:0;padding-inline-start:20px;display:grid;gap:4px;}
.q-opt.picked{border-color:var(--accent);background:var(--accent-soft);font-weight:700;}
.q-opt:disabled{cursor:default;}
.jr-attempts{font-size:14px;color:var(--accent-ink);margin:0 0 10px;}
.jr-result{border-radius:12px;padding:12px 14px;margin:14px 0 8px;font-size:15px;}
.jr-result.pass{background:var(--accent-soft);color:var(--accent-ink);border:1px solid var(--accent);}
.jr-result.fail{background:var(--accent-2-soft);color:var(--accent-2);border:1px solid var(--accent-2);}
.jr-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px;}
.jr-actions .link-btn,.jr-actions .ghost-btn{margin:0;}
.link-btn:disabled{opacity:.5;cursor:not-allowed;}
.jr-next{margin-top:18px;}

/* ---------- responsive: phone < 600, tablet 600-1024, desktop > 1024 ---------- */
:root{
  --fs-body:clamp(15px, .4vw + 13.5px, 17px);
}
body{font-size:var(--fs-body);}
pre,.code{max-width:100%;overflow-x:auto;}
table{display:block;max-width:100%;overflow-x:auto;}
@media (max-width:599px){
  body{padding-inline:14px;}
  .stat-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;}
  .streak-card{min-width:0;padding:10px 8px;}
  .jr-days{grid-template-columns:repeat(3,minmax(0,1fr));}
  .learn-grid,.phrase-grid,.vocab-grid,.lib-grid,.quiz-list,.ex-grid,.err-list,.track-grid{grid-template-columns:minmax(0,1fr);}
}
@media (min-width:600px) and (max-width:1024px){
  .jr-weeks{grid-template-columns:repeat(4,minmax(0,1fr));}
  .jr-side{grid-template-columns:minmax(0,1fr);}
  .jr-days{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (min-width:1025px){
  .wrap{max-width:1240px;}
  .jr-side-btn{display:none;}
  .jr-layout{grid-template-columns:290px minmax(0,1fr);}
  .jr-side,.side-open .jr-side{display:grid;position:sticky;top:12px;max-height:calc(100vh - 24px);overflow-y:auto;padding-inline-end:4px;}
}

/* ---------- account ---------- */
.acct-btn{font-family:'Cairo',sans-serif;font-weight:700;font-size:14px;cursor:pointer;border:1px solid var(--border);
  background:var(--surface);color:var(--ink);border-radius:999px;padding:6px 12px;display:inline-flex;align-items:center;gap:6px;}
.acct-btn:hover{border-color:var(--accent);}
.acct-dot{width:8px;height:8px;border-radius:50%;background:var(--border);}
.acct-dot.on{background:var(--accent);}
.acct-dot.err{background:var(--accent-2);}
.acct-dlg{border:1px solid var(--border);border-radius:16px;padding:20px;max-width:min(440px,calc(100vw - 32px));width:100%;
  background:var(--surface);color:var(--ink);box-shadow:var(--shadow);}
.acct-dlg::backdrop{background:rgba(40,50,45,.35);}
.acct-dlg h3{font-family:'Cairo';margin:0 0 8px;color:var(--accent-ink);}
.acct-dlg p{margin:0 0 10px;}
.acct-dlg label{display:block;font-family:'Cairo';font-weight:700;font-size:14px;margin-bottom:4px;}
.acct-in{width:100%;font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--ink);}
.acct-in:focus-visible{outline:2px solid var(--accent-ink);outline-offset:1px;}
.acct-row{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 6px;}
.acct-row .link-btn,.acct-row .ghost-btn{margin:0;}
.acct-status{font-size:14px;color:var(--muted);}
.acct-msg{color:var(--accent-2);font-size:14px;min-height:1em;}
.acct-x{float:inline-end;border:0;background:none;font-size:18px;cursor:pointer;color:var(--muted);padding:4px 8px;}

/* ---------- v2: menu, search, toast ---------- */
.search-btn{display:inline-flex;align-items:center;gap:6px;font-family:'Cairo',sans-serif;font-weight:700;font-size:14px;cursor:pointer;
  background:var(--surface-2);color:var(--ink);border:0;border-radius:999px;padding:6px 12px;}
.search-btn:hover{background:var(--accent-soft);color:var(--accent-ink);}
.search-btn kbd{font-family:'JetBrains Mono',monospace;font-size:11px;background:var(--surface);border:1px solid var(--border);border-radius:5px;padding:0 5px;color:var(--muted);}
@media (max-width:640px){ .search-btn kbd,.search-btn .search-lbl{display:none;} }
.more-menu{position:relative;}
.more-menu > summary{list-style:none;cursor:pointer;font-family:'Cairo',sans-serif;font-weight:700;font-size:14px;color:var(--ink);padding:6px 14px;border-radius:999px;}
.more-menu > summary::-webkit-details-marker{display:none;}
.more-menu > summary:hover,.more-menu[open] > summary{background:var(--accent-soft);color:var(--accent-ink);}
.more-menu > summary.cur{background:var(--accent);color:#fff;}
.more-list{position:absolute;z-index:40;inset-inline-end:0;top:calc(100% + 6px);min-width:230px;display:grid;gap:2px;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:6px;box-shadow:0 10px 30px -12px rgba(40,50,45,.35);}
.topbar .more-list a,.more-install{font-family:'Cairo',sans-serif;font-weight:700;font-size:14px;color:var(--ink);text-decoration:none;
  padding:8px 12px;border-radius:10px;display:flex;gap:8px;align-items:center;background:none;border:0;cursor:pointer;text-align:start;}
.topbar .more-list a:hover,.more-install:hover{background:var(--accent-soft);color:var(--accent-ink);}
.topbar .more-list a[aria-current="page"]{background:var(--accent);color:#fff;}
.search-dlg{border:1px solid var(--border);border-radius:16px;padding:0;width:min(680px,calc(100vw - 24px));max-height:min(80vh,640px);
  background:var(--surface);color:var(--ink);box-shadow:0 20px 50px -20px rgba(40,50,45,.45);margin-top:8vh;}
.search-dlg[open]{display:flex;flex-direction:column;}
.search-dlg::backdrop{background:rgba(40,50,45,.35);}
.search-top{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border);}
.search-top input{flex:1;min-width:0;font:inherit;font-size:17px;border:0;outline:0;background:transparent;color:var(--ink);}
.search-top .acct-x{float:none;}
.search-res{list-style:none;margin:0;padding:6px;overflow:auto;flex:1;}
.search-res li{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;padding:8px 10px;border-radius:10px;cursor:pointer;align-items:baseline;}
.search-res li.on,.search-res li:hover{background:var(--accent-soft);}
.search-res .sk{grid-row:span 2;font-size:12px;font-family:'Cairo';font-weight:700;color:var(--accent-ink);background:var(--surface-2);border-radius:999px;padding:1px 9px;white-space:nowrap;}
.search-res .st{font-weight:700;overflow-wrap:anywhere;}
.search-res .ss{font-size:13.5px;color:var(--muted);overflow-wrap:anywhere;}
.search-res li.search-empty{display:block;color:var(--muted);cursor:default;background:none;}
.search-hint{margin:0;padding:8px 14px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted);}
.toast{position:fixed;inset-inline:0;bottom:22px;margin-inline:auto;width:max-content;max-width:calc(100vw - 32px);z-index:60;
  background:var(--ink);color:var(--surface);border-radius:999px;padding:9px 18px;font-family:'Cairo';font-weight:700;font-size:14px;
  opacity:0;transform:translateY(10px);transition:opacity .2s,transform .2s;pointer-events:none;}
.toast.on{opacity:1;transform:none;}
.hit{outline:3px solid var(--accent-2);outline-offset:3px;border-radius:12px;}
@media (prefers-reduced-motion: reduce){ .toast{transition:none;} }

/* ---------- v2: section pages (cards, lessons, sheets) ---------- */
.section-desc p{margin:0 0 8px;}
.md-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:12px;margin-top:12px;}
.md-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);display:grid;gap:10px;min-width:0;align-content:start;}
.md-card h3{font-family:'Cairo';font-size:16.5px;margin:0;color:var(--ink);}
.md-top{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;}
.md-body{font-size:15px;}
.md-body p{margin:0 0 8px;} .md-body p:last-child{margin-bottom:0;}
.md-body ul,.md-body ol{margin:0 0 8px;padding-inline-start:22px;}
.md-code{margin:0;font-family:'JetBrains Mono',ui-monospace,monospace;font-size:13px;line-height:1.6;background:var(--surface-2);border-radius:10px;
  padding:12px 14px;white-space:pre-wrap;word-break:break-word;text-align:start;max-height:420px;overflow:auto;}
.md-code[dir="ltr"]{text-align:left;}
.md-code.weak{opacity:.85;border-inline-start:3px solid var(--accent-2);}
.md-links{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;}
.md-links a{color:var(--accent-ink);}
.fav-btn{flex:none;cursor:pointer;background:none;border:1px solid var(--border);border-radius:999px;width:34px;height:34px;font-size:17px;color:var(--accent-2);}
.fav-btn:hover{border-color:var(--accent-2);}
.var-form{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,150px),1fr));gap:8px;}
.var-form label{display:grid;gap:2px;font-size:13px;font-family:'Cairo';font-weight:700;color:var(--muted);}
.var-form input,.lab-in,.lab-code{font:inherit;font-size:14px;border:1px solid var(--border);border-radius:9px;padding:7px 10px;background:var(--surface);color:var(--ink);min-width:0;}
.var-form input:focus,.lab-in:focus,.lab-code:focus{outline:2px solid var(--accent);border-color:transparent;}
.lesson-list{display:grid;gap:8px;margin-top:12px;}
details.lesson{padding:0;gap:0;}
details.lesson > summary{cursor:pointer;display:flex;align-items:center;gap:10px;padding:14px 16px;font-family:'Cairo';font-weight:700;list-style:none;}
details.lesson > summary::-webkit-details-marker{display:none;}
details.lesson[open] > summary{border-bottom:1px solid var(--border);margin-bottom:12px;}
details.lesson > :not(summary){margin:0 16px 12px;}
details.lesson .ln{flex:none;width:28px;height:28px;border-radius:999px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-ink);font-size:14px;}
details.lesson.done .ln{background:var(--accent);color:#fff;}
details.lesson .lt{flex:1;min-width:0;}
details.lesson .ok{color:var(--accent-ink);}
.sheet{display:none;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow);margin-top:12px;}
.sheet.on{display:block;}
.sheet header h3{font-family:'Cairo';margin:0;font-size:20px;color:var(--accent-ink);}
.sheet header p{margin:2px 0 10px;color:var(--muted);font-size:14px;}
.sheet-cols{columns:2 320px;column-gap:22px;}
.sheet-g{break-inside:avoid;margin-bottom:14px;}
.sheet-g h4{font-family:'Cairo';font-size:14.5px;margin:0 0 4px;color:var(--ink);border-bottom:2px solid var(--accent-soft);padding-bottom:2px;}
.sheet table{border-collapse:collapse;width:100%;font-size:13.5px;}
.sheet td{padding:3px 6px;vertical-align:top;border-bottom:1px solid var(--border);}
.sheet td.c{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--accent-ink);white-space:pre-wrap;word-break:break-word;width:48%;text-align:left;}
.sheet footer{margin-top:8px;font-size:11px;color:var(--muted);direction:ltr;text-align:left;}
@media print{
  body.print-sheet .wrap > :not(main),body.print-sheets .wrap > :not(main),
  body.print-sheet main > section:not(#sheets),body.print-sheets main > section:not(#sheets),
  body.print-sheet #sheets > h2,body.print-sheets #sheets > h2,body.print-sheet .section-desc,body.print-sheets .section-desc,
  body.print-sheet .no-print,body.print-sheets .no-print{display:none!important;}
  body.print-sheets .sheet{display:block;break-after:page;}
  body.print-sheet .sheet:not(.on){display:none;}
  .sheet{box-shadow:none;border:0;padding:0;margin:0;}
  .sheet-cols{columns:2;}
}

/* ---------- v2: review ---------- */
.srs-bar{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;}
.srs-decks{display:flex;flex-wrap:wrap;gap:6px;}
.srs-counts{font-size:14px;color:var(--muted);margin:10px 0;}
.srs-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:22px;box-shadow:var(--shadow);display:grid;gap:14px;max-width:720px;}
.srs-card.done{text-align:center;justify-items:center;}
.srs-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.srs-meta .srs-left{margin-inline-start:auto;font-size:13px;color:var(--muted);}
.tag.new{background:var(--accent-2-soft);color:var(--accent-2);}
.srs-front{font-family:'Cairo';font-weight:800;font-size:clamp(24px,5vw,34px);line-height:1.35;text-align:center;overflow-wrap:anywhere;margin:0;}
.srs-front[dir="ltr"]{font-family:'JetBrains Mono',ui-monospace,monospace;font-weight:700;}
.srs-show{justify-self:center;}
.srs-show kbd,.rate kbd{font-family:'JetBrains Mono';font-size:11px;}
.srs-back{border-top:1px dashed var(--border);padding-top:12px;display:grid;gap:8px;text-align:center;}
.srs-mean{margin:0;font-size:17px;}
.srs-ex{margin:0;font-family:'JetBrains Mono',monospace;font-size:14px;color:var(--muted);text-align:center;}
.srs-rate{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.rate{cursor:pointer;display:grid;gap:2px;justify-items:center;border:1px solid var(--border);background:var(--surface-2);border-radius:12px;padding:10px 6px;font:inherit;color:var(--ink);}
.rate b{font-family:'Cairo';font-size:14.5px;}
.rate span{font-size:12.5px;color:var(--muted);}
.rate:hover{border-color:var(--accent);}
@media (max-width:480px){ .srs-rate{grid-template-columns:repeat(2,1fr);} }
.mk-card{max-width:760px;}
.mk-all{margin-top:14px;}
.mk-all summary{cursor:pointer;font-family:'Cairo';font-weight:700;color:var(--accent-ink);}
.mk-list{list-style:none;padding:0;margin:8px 0;display:grid;gap:6px;}
.mk-list li{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:8px 12px;font-size:14px;}
.mk-list .mk-q{flex:1 1 260px;min-width:0;}
.mk-list .ghost-btn{margin:0;}
.stats-tiles{margin-bottom:14px;}
.chart-box{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow);margin-bottom:12px;overflow-x:auto;}
.chart-box .sub-h{margin-top:0;}
.chart-tip{position:absolute;z-index:5;pointer-events:none;background:var(--ink);color:var(--surface);font-size:12.5px;border-radius:8px;padding:5px 9px;max-width:220px;}
.heat{width:100%;min-width:420px;max-width:760px;height:auto;display:block;}
.heat-m,.bars .ax{font-family:'Tajawal',sans-serif;font-size:10px;fill:var(--muted);}
.heat-legend{display:flex;gap:4px;align-items:center;font-size:12px;color:var(--muted);margin-top:4px;}
.heat-legend i{width:12px;height:12px;border-radius:3px;display:inline-block;}
.bars{width:100%;min-width:460px;max-width:760px;height:auto;display:block;}
.bars .bar{fill:var(--accent);}
.bars .bar:hover{fill:var(--accent-ink);}
.bars .grid{stroke:var(--border);stroke-width:1;}
.bars .axis{stroke:#c9d2cc;stroke-width:1;}
.bars .pass{stroke:var(--accent-2);stroke-width:1;opacity:.7;}
.num-table{border-collapse:collapse;font-size:13.5px;margin-top:6px;}
.num-table th,.num-table td{border-bottom:1px solid var(--border);padding:3px 12px;text-align:start;}
.weak-list{margin:0;padding-inline-start:20px;display:grid;gap:4px;font-size:14.5px;}
.bk-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));}
.file-btn{cursor:pointer;display:inline-flex;align-items:center;}
/* generic badges for the section pages */
.md-card .tag,.srs-meta .tag,.lib-badges .tag{font-family:'Cairo';font-weight:700;font-size:12px;border-radius:999px;padding:1px 10px;background:var(--surface-2);color:var(--muted);border:1px solid var(--border);}
.lvl.l1{background:var(--accent-soft);color:var(--accent-ink);}
.lvl.l2{background:var(--accent-2-soft);color:var(--accent-2);}
.lvl.l3{background:var(--ink);color:var(--surface);}
.lib-badges{display:flex;flex-wrap:wrap;gap:6px;}

/* ---------- v2: lab ---------- */
.wf-samples{margin-bottom:8px;}
.wf-paste summary{cursor:pointer;font-family:'Cairo';font-weight:700;color:var(--accent-ink);margin:6px 0;}
.lab-code{display:block;width:100%;font-family:'JetBrains Mono',ui-monospace,monospace;font-size:13.5px;line-height:1.6;resize:vertical;text-align:left;tab-size:2;}
.wf-out-box{margin-top:10px;}
.wf-canvas{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;
  background-image:radial-gradient(var(--border) 1px,transparent 1px);background-size:18px 18px;}
.wf-svg{display:block;width:100%;height:min(62vh,460px);touch-action:none;cursor:grab;}
.wf-svg:active{cursor:grabbing;}
.wf-zoom{position:absolute;inset-inline-end:10px;top:10px;display:flex;gap:4px;z-index:2;}
.wf-zoom button{cursor:pointer;min-width:34px;height:32px;border-radius:9px;border:1px solid var(--border);background:var(--surface);font:inherit;font-weight:700;color:var(--ink);}
.wf-zoom button:hover{border-color:var(--accent);}
.wf-node rect{fill:var(--surface);stroke:#c9d2cc;stroke-width:1.5;}
.wf-node{cursor:pointer;outline:none;}
.wf-node:hover rect,.wf-node:focus rect{stroke:var(--accent);stroke-width:2;}
.wf-node.sel rect{stroke:var(--accent-ink);stroke-width:2.5;}
.wf-node.trig rect{fill:var(--accent-2-soft);stroke:#dcb896;}
.wf-node.ai rect{fill:var(--accent-soft);}
.wf-node.off{opacity:.45;}
.wf-node.off .wf-name{text-decoration:line-through;}
.wf-ic{font-size:18px;fill:var(--ink);}
.wf-name{font-family:'Tajawal','Cairo',sans-serif;font-weight:700;font-size:13px;fill:var(--ink);}
.wf-type{font-family:'JetBrains Mono',monospace;font-size:10px;fill:var(--muted);}
.wf-edge{fill:none;stroke:#9aa8a0;stroke-width:2;}
.wf-edge.ai{stroke-dasharray:5 4;stroke:#8fb9a2;}
.wf-arrow{fill:#9aa8a0;}
.wf-out{font-family:'JetBrains Mono',monospace;font-size:10px;fill:var(--muted);}
.wf-sticky rect{fill:#fbf3d5;stroke:#eadca6;}
.wf-sticky-t{font-family:'Tajawal',sans-serif;font-size:12px;color:#6b5d2f;line-height:1.4;overflow:hidden;height:100%;}
.wf-detail{margin-top:10px;}
.wf-info{margin-top:12px;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));}
.wf-steps{margin:0;padding-inline-start:22px;display:grid;gap:6px;font-size:14.5px;}
.wf-lint{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:14.5px;}
.wf-lint li{padding:6px 10px;border-radius:9px;background:var(--surface-2);}
.wf-lint li.bad{background:#fbe9e3;}
.wf-lint li.warn{background:var(--accent-2-soft);}
.wf-lint li.ok{background:var(--accent-soft);}
.tpl-form{align-items:flex-end;}
.lab-head{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;}
.lab-head select{max-width:min(100%,420px);}
.lab-prog{font-size:14px;color:var(--muted);}
.lab-task{margin:12px 0;}
.lab-lbl{display:grid;gap:4px;font-family:'Cairo';font-weight:700;font-size:14px;margin-bottom:10px;}
.lab-result:empty{display:none;}
.lab-result{margin:10px 0;white-space:pre-wrap;}
.lab-out{margin:8px 0;font-family:'JetBrains Mono',monospace;font-size:13px;background:#26302b;color:#e3ece6;border-radius:10px;padding:12px 14px;white-space:pre-wrap;word-break:break-word;max-height:340px;overflow:auto;text-align:left;}
.lab-out.err{color:#ffd2c2;}
.sql-wrap{overflow-x:auto;max-height:360px;}
.sql-table td,.sql-table th{white-space:nowrap;font-family:'JetBrains Mono',monospace;font-size:12.5px;}
.lab-sol{margin-top:10px;}

/* ---------- v2: speaking practice ---------- */
.sp-card{max-width:760px;margin-top:10px;}
.sp-sent{font-size:clamp(19px,3.4vw,24px);font-weight:700;line-height:1.6;text-align:left;}
.sp-ar{margin:0;color:var(--muted);font-size:15px;}
.w-ok{color:var(--accent-ink);background:var(--accent-soft);border-radius:5px;padding:0 3px;}
.w-miss{color:#a4442a;background:#fbe9e3;border-radius:5px;padding:0 3px;text-decoration:underline wavy #d9866a;text-underline-offset:4px;}
.rec-on{background:#b8482c!important;border-color:#b8482c!important;color:#fff!important;}
.sp-steps{margin:0;padding-inline-start:22px;font-size:14.5px;}
.sp-hint{font-family:'JetBrains Mono',monospace;letter-spacing:1px;color:var(--muted);margin:0;text-align:left;}
.diff{font-size:18px;line-height:1.9;text-align:left;}
.sp-nav{align-items:center;}

/* ---------- v2: discussions ---------- */
.talk{margin-top:18px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:10px 16px;}
.talk summary{cursor:pointer;font-family:'Cairo';font-weight:700;color:var(--accent-ink);}
.talk-box{min-height:40px;}
.page-talk{margin-top:30px;}

/* SVG text follows the page direction (text-anchor flips in RTL): keep the drawings left-to-right */
.wf-svg,.heat,.bars{direction:ltr;unicode-bidi:isolate;}
.wf-svg text,.heat text,.bars text{direction:ltr;}
.wf-sticky-t{direction:ltr;text-align:left;}
.heat-m{font-size:8px;}
.var-form label.wide{grid-column:1/-1;}
.var-form textarea{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:13px;border:1px solid var(--border);border-radius:9px;padding:7px 10px;background:var(--surface);color:var(--ink);resize:vertical;min-width:0;}
.var-form textarea:focus{outline:2px solid var(--accent);border-color:transparent;}
/* code inside code blocks: no inline-code chip */
.md-code code,.lab-out code{background:none;padding:0;border-radius:0;font-size:inherit;color:inherit;}

/* ---------- runnable examples (python.html journey) ---------- */
.jr-run{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;}
.jr-run .link-btn,.jr-run .ghost-btn{padding:5px 14px;font-size:13px;}
.jr-run .run-in{display:flex;flex-direction:column;gap:4px;flex:1 1 220px;font-size:12.5px;color:var(--muted);}
.jr-run .run-in textarea{direction:ltr;text-align:left;font-family:'JetBrains Mono',monospace;font-size:12.5px;border:1px solid var(--border);border-radius:8px;padding:6px 8px;background:var(--surface);color:var(--ink);resize:vertical;}
pre.run-out{direction:ltr;text-align:left;margin:8px 0 0;font-family:'JetBrains Mono',monospace;font-size:12.5px;line-height:1.6;background:#26302b;color:#e3ece6;border-radius:8px;padding:10px 12px;white-space:pre-wrap;word-break:break-word;max-height:300px;overflow:auto;}
pre.run-out.bad{color:#ffd2c2;}
pre.run-out.ok::before{content:'▶ ';color:#9fd8b6;}
pre.code.editing{outline:2px solid var(--accent);outline-offset:1px;background:var(--surface);}
.run-frame{display:block;width:100%;height:280px;margin-top:8px;border:1px solid var(--border);border-radius:8px;background:#fff;}
.run-images{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}
.run-images figure{margin:0;background:#fff;border:1px solid var(--border);border-radius:8px;padding:6px;max-width:100%;}
.run-images img{display:block;max-width:100%;height:auto;}
.run-images figcaption{direction:ltr;font-family:'JetBrains Mono',monospace;font-size:11.5px;color:#5f6c65;margin-top:4px;}

/* the intensive hour of months 1–3 (journey.js deepTag) */
.deep-tag{display:inline-block;font-size:11.5px;font-weight:700;color:var(--accent-2);background:color-mix(in srgb, var(--accent-2) 12%, transparent);border-radius:999px;padding:1px 8px;margin-inline-end:4px;vertical-align:1px;white-space:nowrap;}
.learn-card.deep{border-style:dashed;}

/* the count inside an active category tab takes the tab's own text colour (contrast) */
.cat-tab.active .sub-note{color:inherit;}

/* ---------- v3: back to top, data meter, shortcuts, VS Code, your own n8n ---------- */
.to-top{position:fixed;z-index:50;inset-inline-end:max(16px, env(safe-area-inset-right, 0px));bottom:max(18px, env(safe-area-inset-bottom, 0px));
  width:46px;height:46px;border-radius:50%;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;
  font-size:22px;font-weight:700;line-height:1;box-shadow:0 8px 22px -10px rgba(40,50,45,.55);display:grid;place-items:center;}
.to-top:hover{background:var(--accent-ink);}
.to-top:focus-visible{outline:2px solid var(--accent-ink);outline-offset:3px;}
@media print{ .to-top,.net-chip{display:none!important;} }
.net-chip{font:inherit;font-size:13px;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:4px 12px;cursor:pointer;}
.net-chip:hover{border-color:var(--accent);color:var(--accent-ink);}
.tool-dlg{max-width:min(560px,calc(100vw - 24px));max-height:min(86vh,720px);overflow:auto;}
.tool-dlg h3{padding-inline-end:28px;}
.net-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:6px 0 12px;}
.net-grid .streak-card{min-width:0;}
.net-list{margin:0 0 10px;padding-inline-start:20px;font-size:14px;}
.keys-h{font-family:'Cairo';font-size:14.5px;margin:14px 0 6px;color:var(--accent-ink);}
.keys{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0;align-items:center;}
.keys dt{white-space:nowrap;text-align:start;}
.keys dd{margin:0;font-size:14px;}
.keys kbd,.tool-dlg kbd{font-family:'JetBrains Mono',monospace;font-size:12px;background:var(--surface-2);border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;padding:1px 7px;color:var(--ink);}
.keys-or{font-size:12px;color:var(--muted);}
.more-tool{font-family:'Cairo',sans-serif;font-weight:700;font-size:14px;color:var(--ink);padding:8px 12px;border-radius:10px;display:flex;gap:8px;align-items:center;
  background:none;border:0;cursor:pointer;text-align:start;width:100%;}
.more-tool:hover{background:var(--accent-soft);color:var(--accent-ink);}
.vs-opts{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 12px;}
.vs-opts .link-btn,.vs-opts .ghost-btn{margin:0;}
.vs-dir{display:grid;gap:4px;font-size:13.5px;color:var(--muted);margin-bottom:6px;}
.n8n-setup{margin-bottom:14px;}
.n8n-url{margin:6px 0 0;}
.n8n-url input{direction:ltr;}
.n8n-cases td{vertical-align:top;}
.n8n-cases code{white-space:pre-wrap;word-break:break-word;}
.n8n-cases tr.ok td:first-child::after{content:' ✓';color:var(--accent-ink);}
.n8n-cases tr.bad td:first-child::after{content:' ✗';color:var(--accent-2);}
.n8n-steps{margin:10px 0;}
/* long words (error messages, dotted names, URLs) wrap instead of pushing cards past a narrow screen */
.md-card{grid-template-columns:minmax(0,1fr);}
.md-card h3,.vocab-card .term,.vocab-card .tex,.err-card .msg,.g-card h3{overflow-wrap:anywhere;}
.lib-filter{max-width:100%;min-width:0;}
.lib-filter select{max-width:100%;min-width:0;text-overflow:ellipsis;}

/* ---------- v3: fit every screen ---------- */
/* phone: the menu becomes a full-width rounded box (a pill shape breaks once it wraps to several rows) */
@media (max-width:599px){
  .topbar{gap:8px;margin-bottom:16px;}
  .topbar .links{width:100%;border-radius:18px;justify-content:center;gap:2px;}
  .topbar .links a,.more-menu > summary{padding:6px 10px;}
  h2,.fold-btn{font-size:19px;}
  section{margin-block:32px;}
  .site-foot{justify-content:center;text-align:center;}
}
/* large screens: use more of the width (cards get more columns; text keeps its own max line length) */
@media (min-width:1600px){
  .wrap{max-width:1440px;}
  .jr-layout{grid-template-columns:320px minmax(0,1fr);}
}
@media (min-width:2200px){
  body{font-size:18px;}
  .wrap{max-width:1680px;}
}

/* ---------- v4: lighter pages ---------- */
.md-grid > .more-cards{grid-column:1/-1;justify-self:center;margin:6px 0 0;}
/* long card lists: the browser skips laying out the cards that are far off screen */
.vocab-card,.lib-card,.md-card:not(.lesson),.g-card,.err-card,.phrase-card{content-visibility:auto;contain-intrinsic-size:auto 260px;}
@media print{ .vocab-card,.lib-card,.md-card,.g-card,.err-card,.phrase-card{content-visibility:visible;} .more-cards{display:none;} }
/* phone header: one row (name, search, ☰); the menu opens under it */
.search-mini,.nav-toggle{display:none;}
@media (max-width:599px){
  .topbar{flex-wrap:wrap;gap:8px;margin-bottom:12px;}
  .topbar .home{flex:1;font-size:15px;}
  .search-mini,.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;
    border:1px solid var(--border);background:var(--surface);color:var(--ink);font-size:18px;cursor:pointer;box-shadow:var(--shadow);}
  .nav-toggle[aria-expanded="true"]{background:var(--accent);color:#fff;border-color:var(--accent);}
  .topbar .links{display:none;}
  .topbar.nav-open .links{display:flex;}
  .topbar .links .search-btn{display:none;}
}
@media print{ .search-mini,.nav-toggle{display:none!important;} }

/* ---------- v4: daily plan (assets/js/plan.js) ---------- */
.plan-box{margin:0 0 14px;}
.goal-box{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px 14px;box-shadow:var(--shadow);display:grid;gap:10px;}
.goal-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;}
.goal-t{font-family:'Cairo';font-weight:700;color:var(--accent-ink);}
.goal-bar{flex:1 1 140px;height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden;min-width:100px;}
.goal-bar > span{display:block;height:100%;background:var(--accent);border-radius:inherit;}
.goal-n{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--muted);}
.goal-ok{font-family:'Cairo';font-weight:700;font-size:13px;color:var(--accent-ink);}
.goal-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;}
.goal-tools .ghost-btn{margin:0;text-decoration:none;}
.goal-eta{flex:1 1 220px;margin:0;}
.pace-pick{display:inline-flex;align-items:center;gap:6px;font-family:'Cairo';font-weight:700;font-size:14px;}
.pace-pick select{font:inherit;font-weight:500;font-size:14px;border:1px solid var(--border);border-radius:10px;padding:6px 8px;background:var(--bg);color:var(--ink);max-width:100%;}
.first-day{background:var(--accent-soft);border:1px solid var(--accent);border-radius:16px;padding:16px 18px;}
.first-day > b{font-family:'Cairo';font-size:18px;color:var(--accent-ink);}
.first-day p{margin:6px 0 12px;}
.pace-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:8px;}
.pace-card{display:grid;gap:2px;text-align:start;font:inherit;cursor:pointer;background:var(--surface);color:var(--ink);border:2px solid var(--border);border-radius:12px;padding:10px 12px;}
.pace-card b{font-family:'Cairo';}
.pace-card small{color:var(--muted);}
.pace-card.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft);}
.fresh-start .stat-cards{display:none;}
.home-now{margin:18px 0 6px;display:grid;gap:12px;}
.home-now:empty{display:none;}
.resume-list{display:grid;gap:8px;}
.resume-card{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);}
.resume-card.main{background:var(--accent);border-color:var(--accent);color:#fff;}
.resume-card .ri{font-size:26px;line-height:1;}
.resume-card .rt{display:grid;gap:2px;flex:1;min-width:0;}
.resume-card .rt b{font-family:'Cairo';font-size:17px;}
.resume-card .rt span{font-size:14px;opacity:.9;}
.resume-card .go{font-size:22px;font-weight:700;}
.resume-card:hover{border-color:var(--accent);}
.quiz-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;background:var(--accent-soft);border:1px solid var(--accent);border-radius:16px;padding:14px 18px;}
.quiz-cta > div{display:grid;gap:2px;}
.quiz-cta b{font-family:'Cairo';font-size:18px;color:var(--accent-ink);}
.quiz-cta .link-btn{margin:0;}
.link-like{background:none;border:0;padding:0;font:inherit;color:var(--accent-ink);text-decoration:underline;cursor:pointer;}
.home-quiz-again{margin:0;}
.quiz-q{font-family:'Cairo';font-size:18px;margin:4px 0 12px;}
.quiz-opts{display:grid;gap:8px;}
.quiz-opts .ghost-btn{margin:0;text-align:start;justify-content:flex-start;padding:10px 14px;}
.quiz-res{display:flex;gap:12px;align-items:center;background:var(--accent-soft);border-radius:12px;padding:12px;}
.quiz-res .ri{font-size:30px;}
.quiz-res div{display:grid;gap:2px;}
.quiz-res b{font-family:'Cairo';font-size:18px;color:var(--accent-ink);}
.quiz-tips{margin:12px 0 0;padding-inline-start:20px;display:grid;gap:6px;}
@media (max-width:599px){ .track-home ul{display:none;} .hero p{font-size:15.5px;} }
@media print{ .plan-box,.home-now{display:none!important;} }

/* ---------- v4: achievements and certificates (assets/js/achieve.js) ---------- */
.ach-name{display:grid;gap:4px;max-width:420px;margin-bottom:14px;}
.ach-name label{font-family:'Cairo';font-weight:700;font-size:14px;}
.ach-print-t{display:none;}
.ach-stats{margin:0 0 16px;}
.ach-tracks{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:12px;}
.ach-track{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow);display:grid;gap:6px;align-content:start;}
.ach-track.idle{opacity:.75;}
.ach-track h4{margin:0;font-family:'Cairo';font-size:17px;color:var(--accent-ink);}
.ach-track p{margin:0;font-size:14px;}
.ach-track .ghost-btn{justify-self:start;text-decoration:none;margin:4px 0 0;}
.ach-months{margin:0;padding-inline-start:18px;font-size:14px;display:grid;gap:3px;}
.ach-foot{margin-top:14px;}
.certs{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:14px;}
.cert{display:grid;gap:8px;}
.cert-in{border:3px double var(--accent);border-radius:14px;padding:22px 20px;text-align:center;background:var(--surface);display:grid;gap:8px;}
.cert-k{font-family:'Cairo';font-weight:800;font-size:14px;letter-spacing:.02em;color:var(--accent-2);}
.cert-who{font-family:'Cairo';font-weight:800;font-size:24px;color:var(--accent-ink);margin:0;}
.cert-in p{margin:0;}
.cert-date{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);}
.cert .ghost-btn{justify-self:center;margin:0;}
@media print{
  body.print-only .wrap > :not(main),body.print-only main > :not(section),body.print-only main > section:not(:has(.print-on)),
  body.print-only section > h2,body.print-only .section-desc,body.print-only .no-print,body.print-only .ach-name,
  body.print-only .sec-body > :not(.print-on):not(:has(.print-on)),body.print-only .certs > :not(.print-on){display:none!important;}
  body.print-only .ach-print-t{display:block;font-family:'Cairo';}
  body.print-only .cert.print-on .cert-in{padding:60px 40px;border-width:6px;}
  body.print-only .cert.print-on .cert-who{font-size:34px;}
}
.clamp{display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.more-intro{font-family:'Cairo';font-weight:700;font-size:14px;margin:-4px 0 8px;}
@media print{ .clamp{display:block;-webkit-line-clamp:unset;} .more-intro{display:none;} }