/* ===== Nederlands! design system: warm workbook, pedagogical color coding ===== */
:root{
  --paper:#FBF7F0; --ink:#23201B; --soft:#6B6357; --line:#D8CFC0; --card:#fff;
  --nl:#1D4E89; --nl-bg:#E7EEF7; --pt:#1E7A46; --pt-bg:#E6F2EA;
  --de:#C84B31; --de-bg:#F9E7E1; --het:#17756B; --het-bg:#E0F0EE;
  --gold:#C99B2F; --ok:#2E7D32; --ok-bg:#E3F1E4; --bad:#C62828; --bad-bg:#FBE5E5;
  --a1:#2E7D32; --a2:#558B2F; --b1:#F9A825; --b2:#EF6C00; --c1:#C62828; --c2:#6A1B9A;
  /* word-role colors (the bridging system) */
  --r-qw:#7B2FBF; --r-verb:#C8401F; --r-noun:#1D4E89; --r-art:#8A8378; --r-pron:#B07D10;
  --r-prep:#1E7A46; --r-adj:#0F766E; --r-adv:#7C5B2E; --r-neg:#C62828; --r-num:#B0207E;
  --r-conj:#475569; --r-part:#D97706;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Segoe UI",Tahoma,system-ui,sans-serif;
  font-size:16px;line-height:1.55;min-height:100vh;display:flex;flex-direction:column}
h1,h2,h3,h4{font-family:Georgia,"Times New Roman",serif;line-height:1.2;margin:0 0 .4em;text-wrap:balance;letter-spacing:-.01em}
a{color:var(--nl)}
button{font-family:inherit}

/* ===== topbar ===== */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 18px;
  background:var(--ink);color:#fff;position:sticky;top:0;z-index:50}
.brand{color:#fff;text-decoration:none;font-size:1.1rem}
.brand-sub{opacity:.85;font-size:.85rem}
.topnav{display:flex;gap:14px;align-items:center;font-size:1rem;flex-wrap:wrap;justify-content:flex-end}
.topnav a{color:#fff;text-decoration:none;position:relative;display:inline-flex;align-items:center;
  justify-content:center;min-width:34px;min-height:34px}
.stat{background:#3A362F;border-radius:999px;padding:2px 10px;font-size:.85rem}
.due-badge{position:absolute;top:-6px;right:-10px;background:var(--bad);color:#fff;font-size:.65rem;
  font-weight:800;border-radius:999px;padding:1px 5px}

/* ===== layout ===== */
.app{flex:1;width:100%;max-width:860px;margin:0 auto;padding:20px 16px 60px}
.loading{text-align:center;padding:60px 0;color:var(--soft)}
.foot{border-top:2px solid var(--line);padding:14px 18px;text-align:center;color:var(--soft);font-size:.9rem}
.foot p{margin:.3em 0}

/* ===== cards & common ===== */
.card{background:var(--card);border:2px solid var(--ink);border-radius:14px;padding:16px 18px;margin:14px 0;
  box-shadow:4px 4px 0 rgba(35,32,27,.10)}
.btn{display:inline-block;border:2px solid var(--ink);border-radius:12px;background:#fff;color:var(--ink);
  padding:10px 18px;font-weight:700;font-size:1rem;cursor:pointer;box-shadow:3px 3px 0 rgba(35,32,27,.15);
  transition:transform .06s}
.btn:active{transform:translate(2px,2px);box-shadow:none}
.btn.primary{background:var(--nl);color:#fff;border-color:var(--nl)}
.btn.good{background:var(--ok);color:#fff;border-color:var(--ok)}
.btn.small{padding:5px 12px;font-size:.85rem;box-shadow:2px 2px 0 rgba(35,32,27,.15)}
.btn:disabled{opacity:.45;cursor:default}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:700}
.art-de{background:var(--de-bg);color:var(--de)}
.art-het{background:var(--het-bg);color:var(--het)}
.muted{color:var(--soft)}
.center{text-align:center}

/* ===== home ===== */
.hero{background:#fff;border:2px solid var(--ink);border-radius:16px;padding:20px;margin-bottom:20px;
  box-shadow:4px 4px 0 rgba(35,32,27,.10)}
.hero h1{font-size:1.7rem}
.hero img{max-width:100%;height:auto;margin-top:10px}
.unit-head{display:flex;align-items:center;gap:10px;margin:26px 0 8px}
.unit-badge{color:#fff;font-weight:900;padding:4px 14px;border-radius:10px;font-family:Georgia,serif;font-size:1.2rem}
.lesson-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.lesson-card{background:#fff;border:2px solid var(--ink);border-radius:14px;padding:14px;cursor:pointer;
  box-shadow:3px 3px 0 rgba(35,32,27,.10);text-decoration:none;color:var(--ink);display:block;
  transition:transform .08s}
.lesson-card:hover{transform:translateY(-2px)}
.lesson-card .em{font-size:1.8rem}
.lesson-card h3{font-size:1.02rem;margin:.3em 0 .2em}
.progressbar{height:8px;background:#EFE9DD;border-radius:99px;overflow:hidden;margin-top:8px}
.progressbar>div{height:100%;background:var(--ok);border-radius:99px;transition:width .3s}
.lesson-card .pct{font-size:.75rem;color:var(--soft)}

/* ===== lesson view ===== */
.lesson-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.lesson-top .em{font-size:2.2rem}
.crumb{font-size:.85rem;color:var(--soft)}
.crumb a{color:var(--soft)}
.tabs{display:flex;gap:6px;margin:14px 0;flex-wrap:wrap}
.tab{border:2px solid var(--ink);background:#fff;border-radius:999px;padding:7px 16px;font-weight:700;cursor:pointer}
.tab.active{background:var(--ink);color:#fff}
.infographic{width:100%;height:auto;border:2px solid var(--ink);border-radius:14px;background:#fff;margin:12px 0}

/* ===== aligned phrases (the bridge feature) ===== */
.phrase{background:#fff;border:2px solid var(--ink);border-radius:14px;padding:12px 16px;margin:12px 0;
  box-shadow:3px 3px 0 rgba(35,32,27,.08)}
.phrase .row{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap;padding:3px 0}
.phrase .flag{flex:0 0 26px;font-size:.95rem}
.phrase .lit{font-size:.8rem;color:var(--soft);border-top:1px dashed var(--line);margin-top:6px;padding-top:6px}
.phrase .note{font-size:.85rem;color:var(--pt);margin-top:4px}
.phrase .speak{margin-left:auto}
.tok{cursor:pointer;border-radius:6px;padding:0 2px;transition:background .12s}
.tok.hl{background:#FFF2B8;outline:2px solid var(--gold)}
/* role styles: same role = same look in both languages */
.r-qw{color:var(--r-qw);font-style:italic;font-weight:600}
.r-verb{color:var(--r-verb);font-weight:800}
.r-noun{color:var(--r-noun);font-weight:800}
.r-art{color:var(--r-art)}
.r-pron{color:var(--r-pron);font-style:italic;font-weight:600}
.r-prep{color:var(--r-prep);text-decoration:underline;text-underline-offset:3px}
.r-adj{color:var(--r-adj);font-weight:700;font-style:italic}
.r-adv{color:var(--r-adv)}
.r-neg{color:var(--r-neg);font-weight:800;text-decoration:underline wavy;text-underline-offset:3px}
.r-num{color:var(--r-num);font-weight:700}
.r-conj{color:var(--r-conj);text-decoration:underline dotted;text-underline-offset:3px}
.r-part{color:var(--r-part);font-weight:800;text-decoration:underline dashed;text-underline-offset:3px}
.r-punc,.r-x{color:var(--ink)}
.legend-strip{display:flex;gap:8px;flex-wrap:wrap;font-size:.78rem;margin:8px 0 2px}
.legend-strip span{background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:2px 10px}

/* ===== vocab ===== */
table.vocab{width:100%;border-collapse:collapse;font-size:.92rem;background:#fff;border:2px solid var(--ink);
  border-radius:10px;overflow:hidden;margin:12px 0}
table.vocab th{background:var(--ink);color:#fff;text-align:left;padding:7px 10px;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
table.vocab td{padding:7px 10px;border-top:1px solid var(--line);vertical-align:top}
table.vocab tr:nth-child(even) td{background:#F7F2E9}
.v-nl{font-weight:800;color:var(--nl)}
.v-split{color:var(--soft);font-size:.85rem}
/* Audio is a core feature (pronunciation), not a footnote - real tap target, real feedback while playing */
.speak-btn{display:inline-flex;align-items:center;justify-content:center;min-width:34px;min-height:34px;
  border:1.5px solid var(--gold);background:#FFF9EC;color:#8A6A10;border-radius:50%;cursor:pointer;
  font-size:1.05rem;padding:0;line-height:1;transition:transform .1s,background .15s,box-shadow .15s;
  box-shadow:2px 2px 0 rgba(35,32,27,.10)}
.speak-btn:hover{background:#FFF2D4}
.speak-btn:active{transform:translate(1px,1px);box-shadow:none}
.speak-btn.speaking{background:var(--gold);color:#fff;box-shadow:0 0 0 0 rgba(201,155,47,.5);
  animation:speakPulse 1s ease-out infinite}
@keyframes speakPulse{
  0%{box-shadow:0 0 0 0 rgba(201,155,47,.45)}
  70%{box-shadow:0 0 0 9px rgba(201,155,47,0)}
  100%{box-shadow:0 0 0 0 rgba(201,155,47,0)}
}
@media (prefers-reduced-motion: reduce){.speak-btn.speaking{animation:none;background:var(--gold)}}

/* ===== exercises ===== */
.ex-progress{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ex-progress .progressbar{flex:1;margin:0}
.ex-q{font-size:1.15rem;margin:10px 0 16px}
.options{display:grid;gap:10px}
.opt{border:2px solid var(--ink);background:#fff;border-radius:12px;padding:12px 16px;font-size:1rem;
  text-align:left;cursor:pointer;box-shadow:3px 3px 0 rgba(35,32,27,.10)}
.opt:hover{background:#F7F2E9}
.opt.correct{background:var(--ok-bg);border-color:var(--ok);color:var(--ok);font-weight:700}
.opt.wrong{background:var(--bad-bg);border-color:var(--bad);color:var(--bad)}
.fill-input{font-size:1.1rem;padding:10px 14px;border:2px solid var(--ink);border-radius:12px;width:100%;max-width:320px}
.fill-input.correct{border-color:var(--ok);background:var(--ok-bg)}
.fill-input.wrong{border-color:var(--bad);background:var(--bad-bg)}
.chips,.built{display:flex;gap:8px;flex-wrap:wrap;min-height:48px;margin:10px 0;padding:8px;border-radius:12px}
.built{border:2px dashed var(--line);background:#fff}
.chip{border:2px solid var(--nl);color:var(--nl);background:var(--nl-bg);border-radius:10px;padding:7px 14px;
  font-weight:700;cursor:pointer;font-size:1rem}
.chip:disabled{opacity:.3}
.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.match-col{display:grid;gap:8px}
.mitem{border:2px solid var(--ink);background:#fff;border-radius:12px;padding:10px 12px;cursor:pointer;font-weight:600}
.mitem.sel{background:#FFF2B8;border-color:var(--gold)}
.mitem.done{background:var(--ok-bg);border-color:var(--ok);color:var(--ok);cursor:default}
.mitem.flash{background:var(--bad-bg);border-color:var(--bad)}
.feedback{border-radius:12px;padding:12px 16px;margin:14px 0;font-weight:600;border:2px solid}
.feedback.ok{background:var(--ok-bg);border-color:var(--ok);color:var(--ok)}
.feedback.bad{background:var(--bad-bg);border-color:var(--bad);color:var(--bad)}
.feedback small{display:block;font-weight:400;color:var(--ink);margin-top:4px}
.ex-nav{margin-top:16px;display:flex;gap:10px;justify-content:flex-end}
.big-audio{font-size:2.6rem;background:none;border:none;cursor:pointer}
.endscreen{text-align:center;padding:30px 10px}
.endscreen .big{font-size:3.4rem}

/* ===== flashcards ===== */
.fc{perspective:1000px;max-width:420px;margin:20px auto}
.fc-inner{position:relative;width:100%;min-height:230px;transition:transform .5s;transform-style:preserve-3d;cursor:pointer}
.fc.flip .fc-inner{transform:rotateY(180deg)}
.fc-face{position:absolute;inset:0;backface-visibility:hidden;background:#fff;border:2px solid var(--ink);
  border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  padding:20px;box-shadow:4px 4px 0 rgba(35,32,27,.10)}
.fc-back{transform:rotateY(180deg)}
.fc-word{font-size:1.7rem;font-weight:800;color:var(--nl)}
.fc-grade{display:flex;gap:10px;justify-content:center;margin-top:16px;flex-wrap:wrap}

/* ===== legend page ===== */
.legend-table{display:grid;gap:8px}
.legend-row{display:flex;gap:12px;align-items:center;background:#fff;border:2px solid var(--line);
  border-radius:12px;padding:8px 14px}
.legend-row .sample{min-width:170px;font-size:1.05rem}

/* ===== woordenboek & social ===== */
.emoji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:8px}
.emoji-hit{border:2px solid var(--line);background:#fff;border-radius:12px;padding:8px 4px;cursor:pointer;
  font-size:1.6rem;display:flex;flex-direction:column;align-items:center;gap:2px}
.emoji-hit small{font-size:.6rem;color:var(--soft);max-width:84px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.emoji-hit:hover{border-color:var(--gold);background:#FFF9E8}
.ext-links{display:flex;gap:8px;flex-wrap:wrap}
.social-card{border-color:var(--c2)}
.social-links{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.social-link{display:flex;align-items:center;gap:10px;border:2px solid var(--line);border-radius:12px;
  padding:9px 12px;text-decoration:none;color:var(--ink);background:#fff}
.social-link:hover{border-color:var(--c2);background:#FBF7FF}
.social-icon{font-size:1.5rem}
.signature{border-top:1px dashed var(--line);padding-top:8px;margin-top:8px !important}
.signature a{font-weight:700}

/* ===== level picker (home) ===== */
.level-picker{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:8px}
.level-btn{color:#fff;text-decoration:none;border-radius:12px;padding:12px 6px;text-align:center;font-weight:900;
  font-family:Georgia,serif;font-size:1.4rem;border:2px solid rgba(0,0,0,.25);box-shadow:3px 3px 0 rgba(35,32,27,.18);
  display:flex;flex-direction:column;align-items:center;gap:2px;transition:transform .08s}
.level-btn small{font-weight:600;font-size:.6rem;font-family:"Segoe UI",sans-serif;opacity:.95}
.level-btn:hover{transform:translateY(-2px)}
@media(max-width:640px){.level-picker{grid-template-columns:repeat(3,1fr)}}

/* ===== home tiles ===== */
.home-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:16px 0 6px}
.home-tile{background:#fff;border:2px solid var(--ink);border-radius:14px;padding:12px;text-decoration:none;color:var(--ink);
  display:flex;flex-direction:column;gap:2px;font-size:1.5rem;box-shadow:3px 3px 0 rgba(35,32,27,.10);transition:transform .08s}
.home-tile:hover{transform:translateY(-2px)}
.home-tile b{font-size:1rem}.home-tile small{color:var(--soft);font-size:.78rem}

/* ===== level view ===== */
.level-hero{display:flex;align-items:center;gap:14px;background:#fff;border:3px solid;border-radius:16px;padding:16px 18px;
  margin:8px 0 4px;box-shadow:4px 4px 0 rgba(35,32,27,.10)}
.level-chip{color:#fff;font-family:Georgia,serif;font-weight:900;font-size:2rem;padding:6px 18px;border-radius:12px}

/* ===== klanken (sound trainer) ===== */
.klank-pair{padding:14px 16px}
.klank-vs{display:flex;align-items:center;gap:10px;justify-content:center;flex-wrap:wrap}
.klank-vs .vs{font-size:1.4rem}
.klank-word{display:flex;align-items:center;gap:10px;border:2px solid var(--nl);background:var(--nl-bg);border-radius:14px;
  padding:10px 16px;cursor:pointer;min-width:150px}
.klank-word.big{width:100%}
.klank-word.said{background:#FFF2B8;border-color:var(--gold)}
.klank-letter{font-family:Georgia,serif;font-size:2rem;font-weight:800;color:var(--nl)}
.klank-ex{display:flex;flex-direction:column;text-align:left;font-weight:700;font-size:1.1rem}
.klank-ex small{font-weight:400;color:var(--soft);font-size:.8rem}
.klank-play{margin-left:auto;font-size:1.3rem}
.klank-tip{font-size:.9rem;color:var(--pt);margin:10px 0 0}
.klank-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.klank-single{margin:0}

/* ===== belgië ===== */
.fact-list{display:grid;gap:10px;margin-top:6px}
.fact{display:flex;gap:10px;align-items:flex-start;border-bottom:1px dotted var(--line);padding-bottom:8px}
.fact-emoji{font-size:1.5rem;flex:0 0 30px}
#belnav .chip.sel{background:var(--c2);color:#fff;border-color:var(--c2)}

/* ===== vlaamse muziek ===== */
.song-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.song-card{margin:0}
.song-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.song-em{font-size:2rem}
.song-links{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}

/* ===== mistakes ===== */
.mistake-list{display:grid;gap:10px}
.mistake{padding:12px 14px;margin:0}
.mistake-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.85rem}
.mistake-top .rep{color:var(--bad);font-weight:700}
.del-mistake{margin-left:auto;border:1.5px solid var(--ok);color:var(--ok);background:#fff;border-radius:999px;
  padding:2px 10px;font-size:.78rem;font-weight:700;cursor:pointer}
.del-mistake:hover{background:var(--ok-bg)}
.mistake-body{margin-top:6px;font-size:1.05rem}

/* ===== spelletjes: drag-and-drop games ===== */
.game-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.game-tile{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;background:#fff;border:3px solid;border-radius:16px;
  padding:16px 10px;text-decoration:none;color:var(--ink);font-weight:800;box-shadow:3px 3px 0 rgba(35,32,27,.10);transition:transform .08s}
.game-lvl{position:absolute;top:-9px;right:-9px;color:#fff;font-size:.68rem;font-weight:800;border-radius:999px;
  padding:2px 8px;box-shadow:2px 2px 0 rgba(35,32,27,.2)}
.game-tile:hover{transform:translateY(-3px)}
.game-em{font-size:1.8rem;width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:50%}
.game-progress{display:flex;align-items:center;gap:6px;margin-bottom:6px}

.drop-buckets{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:14px 0}
.bucket{border:3px dashed var(--line);border-radius:14px;padding:10px;min-height:120px;background:#FBF9F4;transition:border-color .15s,background .15s}
.bucket-head{font-weight:800;margin-bottom:8px;text-align:center}
.bucket-body{display:flex;flex-wrap:wrap;gap:6px;min-height:60px}
[data-dropzone].drag-over,.bucket.drag-over{border-color:var(--gold);background:#FFF7DF}

.drag-pool{display:flex;flex-wrap:wrap;gap:10px;padding:12px;border:2px dashed var(--line);border-radius:14px;min-height:56px;margin:10px 0}
.drag-pool.vertical{flex-direction:column}
.drag-chip{display:inline-flex;flex-direction:column;align-items:flex-start;gap:0;background:#fff;border:2px solid var(--nl);
  color:var(--nl);border-radius:12px;padding:7px 12px;cursor:grab;font-weight:700;user-select:none;box-shadow:2px 2px 0 rgba(35,32,27,.12);
  touch-action:none}
.drag-chip.wide{min-width:220px}
.drag-chip small{color:var(--soft);font-weight:400;font-size:.75rem}
.drag-chip.dragging{position:fixed;z-index:999;cursor:grabbing;box-shadow:0 8px 22px rgba(0,0,0,.28);opacity:.96;pointer-events:none}
.drag-chip.placed{cursor:default}
.drag-chip.correct-drop{border-color:var(--ok);background:var(--ok-bg);color:var(--ok)}
.drag-chip.shake{animation:shakeX .4s}
@keyframes shakeX{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
.drag-ghost-slot{display:inline-block;border:2px dotted var(--line);border-radius:12px;opacity:.5}

.timeline-track{display:flex;flex-wrap:wrap;gap:8px;align-items:center;min-height:70px;border:3px dashed var(--gold);
  border-radius:14px;padding:12px;background:#FFFBF0;margin:10px 0}
.timeline-track .drag-chip{border-color:var(--gold);color:#8A6A10}

.match-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:10px 0}
.drop-targets{display:grid;gap:10px}
.target-desc{border:3px dashed var(--line);border-radius:12px;padding:12px;min-height:52px;display:flex;align-items:center;font-size:.92rem}
.target-desc.correct-drop{border-style:solid;border-color:var(--ok);background:var(--ok-bg)}
.target-answer{font-size:.7rem;color:var(--soft);margin-top:4px}
@media(max-width:640px){.match-columns{grid-template-columns:1fr}}

.built-sentence{display:flex;flex-wrap:wrap;gap:8px;min-height:56px;border:3px dashed var(--nl);border-radius:14px;
  padding:12px;background:var(--nl-bg);margin:10px 0}
.game-feedback{font-weight:700;min-height:1.4em;margin-top:8px}

/* ===== daily word/phrase widget ===== */
.daily-card{background:linear-gradient(135deg,#fff,#FFF9EC);border-color:var(--gold);margin-top:14px}
.daily-head{font-weight:800;color:var(--gold);margin-bottom:8px}
.daily-word{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.daily-em{font-size:2rem}
.daily-phrase .phrase{box-shadow:none;margin:0;border-color:var(--gold)}

/* ===== ad slot (only rendered if NL_CONFIG.ADSENSE_CLIENT is set and user is not premium) ===== */
.ad-slot{border:1.5px dashed var(--line);border-radius:10px;padding:8px 12px;text-align:center;margin:14px 0;background:#FAF7F0}

/* ===== toast ===== */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;
  border-radius:12px;padding:10px 20px;font-weight:700;z-index:100;box-shadow:0 4px 20px rgba(0,0,0,.3)}

@media(max-width:640px){
  .app{padding:14px 10px 50px}
  .match-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:1.35rem}
  .topbar{padding:8px 10px;flex-wrap:wrap;row-gap:4px}
  .stat{font-size:.78rem}
  .topnav{gap:8px;font-size:.9rem}
  .brand-sub{display:none}
}

/* ===== cookie consent banner ===== */
.link-btn{background:none;border:none;color:var(--soft);text-decoration:underline;cursor:pointer;
  font-size:inherit;font-family:inherit;padding:0}
.link-btn:hover{color:var(--ink)}
.consent-banner{position:fixed;left:0;right:0;bottom:0;z-index:100;padding:12px;
  display:flex;justify-content:center}
.consent-card{background:var(--card);border:2px solid var(--ink);border-radius:14px;padding:16px 18px;
  max-width:640px;box-shadow:4px 4px 0 rgba(35,32,27,.18)}
.consent-card p{margin:0 0 10px;font-size:.92rem}
.consent-toggles{display:flex;flex-direction:column;gap:8px;margin:0 0 12px;padding:10px;
  border:1.5px dashed var(--line);border-radius:10px}
.consent-toggles[hidden]{display:none}
.consent-toggles label{display:flex;align-items:center;gap:8px;font-size:.9rem}
.consent-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:520px){
  .consent-actions{justify-content:stretch}
  .consent-actions .btn{flex:1}
}

/* ===== cross-app switcher: jump between all sibling courses ===== */
.switcher{position:relative}
.switcher-btn{background:none;border:none;color:#fff;font-size:1.1rem;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;min-width:34px;min-height:34px;
  border-radius:8px;transition:background .12s}
.switcher-btn:hover, .switcher-btn:focus-visible{background:rgba(255,255,255,.14)}
.switcher-menu{position:absolute;top:calc(100% + 10px);right:0;background:var(--card);color:var(--ink);
  border:2px solid var(--ink);border-radius:14px;box-shadow:4px 4px 0 rgba(35,32,27,.18);
  min-width:250px;padding:8px;z-index:200;display:flex;flex-direction:column;gap:2px}
.switcher-menu[hidden]{display:none}
.switcher-label{margin:2px 8px 6px;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--soft);font-weight:700}
.switcher-menu a{display:block;padding:10px 12px;border-radius:9px;text-decoration:none;color:var(--ink);
  font-size:.92rem;font-weight:600}
.switcher-menu a:hover, .switcher-menu a:focus-visible{background:var(--paper)}
.switcher-menu a.current{opacity:.55;pointer-events:none;font-weight:700}
.switcher-menu a.current small{font-weight:400;font-style:italic}
@media(max-width:640px){
  .switcher-menu{position:fixed;top:auto;bottom:0;left:0;right:0;border-radius:18px 18px 0 0;
    max-height:70vh;overflow-y:auto;padding:14px 10px calc(14px + env(safe-area-inset-bottom));
    box-shadow:0 -6px 24px rgba(0,0,0,.18)}
  .switcher-menu a{padding:13px 14px;font-size:1rem}
}