:root{
  --bg:#0e1a24;
  --bg-2:#132534;
  --panel:#16293a;
  --line:#24445d;
  --sea:#0d2233;
  --land:#22394a;
  --land-hi:#2e5570;
  --ink:#e8f1f7;
  --ink-dim:#93aec2;
  --accent:#f2b134;
  --good:#3ecf8e;
  --bad:#ff6b6b;
  --tap:44px;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{
  background:var(--bg);color:var(--ink);
  font:16px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;
  overflow:hidden;
  overscroll-behavior:none;
  -webkit-user-select:none;user-select:none;
}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
.hidden{display:none !important}
.muted{color:var(--ink-dim)}

.screen{
  position:fixed;inset:0;display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top);
  padding-bottom:env(safe-area-inset-bottom);
}

/* ---------------------------------------------------------------- Home --- */
#home{overflow-y:auto;padding:0 18px calc(28px + env(safe-area-inset-bottom));display:block}
.home-head{padding:26px 0 10px}
.home-head h1{margin:0;font-size:34px;letter-spacing:-.5px;font-weight:800}
.home-head h1 span{color:var(--accent)}
.home-head .sub{margin:6px 0 0;color:var(--ink-dim);font-size:15px}
.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-dim);margin:22px 0 10px;font-weight:700}

.due-summary{
  margin-top:16px;padding:14px 16px;border-radius:14px;
  background:#1b344a;
  border:1px solid var(--line);
}
.due-summary b{color:var(--accent)}

.deck-list{display:flex;flex-direction:column;gap:10px}
.deck{
  display:flex;align-items:center;gap:14px;width:100%;text-align:left;
  padding:14px 16px;border-radius:14px;background:var(--panel);
  border:1px solid var(--line);min-height:var(--tap);
}
.deck:active{background:var(--bg-2)}
.deck-icon{font-size:24px;flex:0 0 30px;text-align:center}
.deck-body{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.deck-body strong{font-size:16px;font-weight:650}
.deck-body small{color:var(--ink-dim);font-size:13px}
.deck-badge{
  flex:0 0 auto;font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px;
  background:var(--accent);color:#20160a;
}
.deck-badge.zero{background:#2a4257;color:var(--ink-dim)}
.credits{color:#5d7a90;font-size:12px;margin:26px 0 0;line-height:1.5}

/* ----------------------------------------------------------------- Bar --- */
.bar{
  display:flex;align-items:center;gap:10px;padding:8px 10px;
  border-bottom:1px solid var(--line);background:var(--bg);flex:0 0 auto;
}
.icon-btn{
  width:var(--tap);height:var(--tap);border-radius:12px;font-size:24px;line-height:1;
  display:flex;align-items:center;justify-content:center;color:var(--ink-dim);
}
.icon-btn:active{background:var(--panel)}
.bar strong{flex:1;text-align:center;font-size:15px}
.bar-progress{flex:1;height:6px;border-radius:99px;background:#1d3648;overflow:hidden}
#bar-fill{height:100%;width:0;background:var(--accent);transition:width .3s ease}
.bar-right{flex:0 0 auto;min-width:44px;text-align:right}
#streak-pill{
  display:inline-block;padding:4px 10px;border-radius:99px;background:var(--panel);
  font-size:13px;font-weight:700;color:var(--accent);
}
#search{
  flex:1;min-width:0;height:38px;border-radius:11px;background:var(--panel);
  border:1px solid var(--line);color:var(--ink);padding:0 12px;font-size:16px;
  -webkit-user-select:text;user-select:text;
}
#search::placeholder{color:#6d8ba1}

/* ----------------------------------------------------------------- Map --- */
.map-wrap{position:relative;flex:1 1 auto;min-height:0;background:var(--sea);touch-action:none}
canvas{display:block;width:100%;height:100%;touch-action:none}
.mini-btn{
  position:absolute;right:12px;bottom:12px;width:40px;height:40px;border-radius:12px;
  background:rgba(22,41,58,.9);border:1px solid var(--line);font-size:19px;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);
}
.map-hint{
  position:absolute;left:50%;top:12px;transform:translateX(-50%);
  padding:7px 14px;border-radius:99px;background:rgba(14,26,36,.88);
  border:1px solid var(--line);font-size:13px;white-space:nowrap;
  backdrop-filter:blur(8px);pointer-events:none;
}

/* --------------------------------------------------------------- Panel --- */
.panel{
  flex:0 0 auto;background:var(--panel);border-top:1px solid var(--line);
  padding:14px 16px calc(14px + env(safe-area-inset-bottom));
  max-height:56vh;overflow-y:auto;
}
.prompt{font-size:19px;font-weight:650;line-height:1.3;margin-bottom:12px}
.prompt .q-type{
  display:block;font-size:12px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-dim);margin-bottom:5px;
}
.prompt em{color:var(--accent);font-style:normal}
.replay{
  display:block;margin-top:10px;padding:9px 14px;border-radius:11px;
  background:rgba(242,177,52,.10);border:1px solid rgba(242,177,52,.32);
  color:#ffd88a;font-size:14px;font-weight:650;min-height:40px;
}
.replay:active{background:rgba(242,177,52,.2)}

.choices{display:flex;flex-direction:column;gap:9px}
.choice{
  padding:13px 15px;border-radius:12px;background:var(--bg-2);
  border:1px solid var(--line);text-align:left;min-height:var(--tap);
  font-size:16px;transition:background .12s,border-color .12s;
}
.choice:active{background:#1a3145}
.choice.order{display:flex;align-items:center;gap:11px}
.ord-num{
  flex:0 0 26px;height:26px;border-radius:99px;background:#22394a;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:750;
  color:var(--ink-dim);
}
.choice.order.picked .ord-num{background:var(--accent);color:#20160a}
.choice.correct{background:rgba(62,207,142,.16);border-color:var(--good);color:#c9f7e2}
.choice.wrong{background:rgba(255,107,107,.14);border-color:var(--bad);color:#ffd4d4}
.choice[disabled]{opacity:.55}
.choice.correct[disabled],.choice.wrong[disabled]{opacity:1}

/* ---------------------------------------------------------- Aussprache --- */
.pron{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;width:100%;text-align:left;
  margin:8px 0;padding:9px 12px;border-radius:11px;
  background:rgba(242,177,52,.10);border:1px solid rgba(242,177,52,.32);
  min-height:40px;
}
.pron:active{background:rgba(242,177,52,.2)}
.pron-ico{font-size:16px;flex:0 0 auto}
.pron-say{font-weight:750;letter-spacing:.02em;color:#ffd88a;font-size:16px}
.pron-ipa{color:var(--ink-dim);font-size:13px;font-family:ui-monospace,Menlo,monospace}
.pron-legend{
  font-size:12.5px;color:var(--ink-dim);line-height:1.6;margin:10px 0 0;
  padding:12px 14px;border-radius:12px;background:var(--panel);border:1px solid var(--line);
}
.pron-legend b{color:#ffd88a;font-weight:700}

.feedback{margin-top:4px;font-size:15px;line-height:1.5}
.feedback .verdict{font-weight:750;font-size:17px;display:block;margin-bottom:4px}
.feedback .verdict.ok{color:var(--good)}
.feedback .verdict.near{color:var(--accent)}
.feedback .verdict.no{color:var(--bad)}
.feedback .note{color:var(--ink-dim);font-size:14px;margin-top:7px}
.feedback .quelle{color:#5d7a90;font-size:11.5px;margin-top:8px;line-height:1.5}

.primary{
  display:block;width:100%;margin-top:12px;padding:14px;border-radius:12px;
  background:var(--accent);color:#20160a;font-weight:750;font-size:16px;min-height:var(--tap);
}
.primary:active{filter:brightness(.92)}
.ghost{
  display:block;width:100%;margin-top:8px;padding:12px;border-radius:12px;
  background:transparent;border:1px solid var(--line);color:var(--ink-dim);font-size:15px;
}

/* -------------------------------------------------------------- Explore -- */
.info-panel{min-height:118px}
.info-title{font-size:20px;font-weight:700;margin:0 0 2px}
.info-meta{color:var(--ink-dim);font-size:14px;margin:0 0 8px}
.info-note{font-size:15px;line-height:1.5}
.chip{
  display:inline-block;padding:3px 9px;border-radius:99px;background:var(--bg-2);
  border:1px solid var(--line);font-size:12px;margin:0 6px 6px 0;color:var(--ink-dim);
}
.search-results{
  position:absolute;left:0;right:0;top:calc(54px + env(safe-area-inset-top));z-index:5;
  background:var(--bg);border-bottom:1px solid var(--line);max-height:52vh;overflow-y:auto;
}
.search-results button{
  display:block;width:100%;text-align:left;padding:11px 16px;
  border-bottom:1px solid rgba(36,68,93,.5);font-size:15px;
}
.search-results small{display:block;color:var(--ink-dim);font-size:12.5px}

/* --------------------------------------------------------------- Stats --- */
.stats-body{flex:1;overflow-y:auto;padding:16px 18px calc(28px + env(safe-area-inset-bottom))}
.stat-row{
  display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid rgba(36,68,93,.45);
}
.stat-row .lbl{flex:1;min-width:0}
.stat-row .lbl small{display:block;color:var(--ink-dim);font-size:12.5px}
.meter{flex:0 0 92px;height:7px;border-radius:99px;background:#1d3648;overflow:hidden}
.meter i{display:block;height:100%;background:var(--good)}
.stat-num{flex:0 0 auto;font-variant-numeric:tabular-nums;font-size:13px;color:var(--ink-dim)}
.big-nums{display:flex;gap:10px;margin-bottom:18px}
.big-nums div{
  flex:1;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:12px;text-align:center;
}
.level-bar{display:flex;height:12px;border-radius:99px;overflow:hidden;background:#1d3648;gap:2px}
.level-bar i{display:block;min-width:2px}
.level-keys{display:flex;flex-wrap:wrap;gap:12px;margin-top:9px;font-size:12.5px;color:var(--ink-dim)}
.level-keys span{display:flex;align-items:center;gap:6px}
.level-keys i{width:9px;height:9px;border-radius:99px;display:block}
.big-nums b{display:block;font-size:24px;color:var(--accent)}
.big-nums span{font-size:12px;color:var(--ink-dim)}

/* ----------------------------------------------------------- Erinnerung --- */
.rem-row{
  display:flex;align-items:center;gap:12px;padding:11px 0;
  border-bottom:1px solid rgba(36,68,93,.45);
}
.rem-row .lbl{flex:1;display:flex;flex-direction:column}
.rem-row .lbl small{color:var(--ink-dim);font-size:12.5px}
.switch{
  flex:0 0 auto;width:50px;height:30px;border-radius:99px;background:#294055;
  border:1px solid var(--line);position:relative;transition:background .18s;
}
.switch i{
  position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:99px;
  background:#9db6c8;transition:transform .18s,background .18s;display:block;
}
.switch.on{background:rgba(62,207,142,.35);border-color:var(--good)}
.switch.on i{transform:translateX(20px);background:var(--good)}
.select{
  background:var(--bg-2);color:var(--ink);border:1px solid var(--line);
  border-radius:10px;padding:8px 10px;font-size:15px;min-height:40px;
}

/* ------------------------------------------------------------ Spielmodi --- */
.clock{
  display:inline-block;padding:4px 10px;border-radius:99px;background:var(--panel);
  font-size:13px;font-weight:750;color:var(--ink);font-variant-numeric:tabular-nums;
  margin-right:6px;
}
.clock.low{background:rgba(255,107,107,.2);color:var(--bad)}
#streak-pill.hit{background:rgba(62,207,142,.22);color:var(--good)}
.pill{
  display:inline-block;padding:4px 11px;border-radius:99px;background:var(--panel);
  font-size:13px;font-weight:700;color:var(--ink-dim);font-variant-numeric:tabular-nums;
}
.pill.score{color:var(--accent)}
#pin .bar{justify-content:space-between}

.pin-points{font-size:30px;font-weight:800;line-height:1.1;margin-bottom:2px}
.pin-points.ok{color:var(--good)}
.pin-points.near{color:var(--accent)}
.pin-points.no{color:var(--bad)}
.pin-dist{font-size:15px;font-weight:650}
.pin-where{color:var(--ink-dim);font-size:13.5px;margin-bottom:2px}
.pin-rows{margin-top:12px;display:flex;flex-direction:column}
.pin-row{
  display:flex;align-items:center;gap:10px;padding:7px 0;
  border-bottom:1px solid rgba(36,68,93,.4);font-size:14px;
}
.pin-row span:first-child{flex:1;min-width:0}
.pin-row b{font-variant-numeric:tabular-nums;color:var(--accent)}
.pin-actions{margin-top:16px}

/* ------------------------------------------------- Fehlerrunde/Lernstufen --- */
#bar-fill.retry{background:var(--bad)}
.level-up{
  display:inline-block;margin:0 0 8px;padding:5px 11px;border-radius:99px;
  background:rgba(126,224,255,.14);border:1px solid rgba(126,224,255,.4);
  font-size:13px;color:#7ee0ff;font-weight:650;
}
.level-legend{
  position:absolute;left:12px;bottom:12px;display:flex;gap:11px;flex-wrap:wrap;
  padding:7px 11px;border-radius:11px;background:rgba(14,26,36,.9);
  border:1px solid var(--line);font-size:11.5px;color:var(--ink-dim);
  backdrop-filter:blur(8px);pointer-events:none;
}
.level-legend span{display:flex;align-items:center;gap:5px}
.level-legend i{width:9px;height:9px;border-radius:99px;display:block}

.toast{
  position:fixed;left:50%;bottom:calc(26px + env(safe-area-inset-bottom));
  transform:translate(-50%,20px);z-index:60;opacity:0;pointer-events:none;
  padding:10px 18px;border-radius:99px;background:rgba(22,41,58,.96);
  border:1px solid var(--line);font-size:14px;transition:opacity .22s,transform .22s;
  backdrop-filter:blur(10px);max-width:88vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ------------------------------------------------------ Kurse/Lektionen --- */
.section-hint{color:#5d7a90;font-size:13px;margin:-6px 0 10px}
.course-meter{height:8px;border-radius:99px;background:#1d3648;overflow:hidden}
.course-meter i{display:block;height:100%;background:var(--good);transition:width .3s}

.lesson-row{
  display:flex;align-items:center;gap:13px;width:100%;text-align:left;
  padding:13px 4px;border-bottom:1px solid rgba(36,68,93,.45);min-height:var(--tap);
}
.lesson-row:active{background:rgba(36,68,93,.25)}
.lesson-num{
  flex:0 0 30px;height:30px;border-radius:99px;background:var(--bg-2);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--ink-dim);
}
.lesson-num.done{background:rgba(62,207,142,.18);border-color:var(--good);color:var(--good)}
.lesson-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.lesson-main strong{font-size:15.5px;font-weight:640}
.lesson-main small{color:var(--ink-dim);font-size:12.5px}
.lesson-chev{color:#4a6c85;font-size:22px;flex:0 0 auto}

.lesson-intro{
  font-size:15.5px;line-height:1.62;margin:2px 0 16px;color:#d3e3ee;
}
.lesson-items{display:flex;flex-direction:column;gap:1px}
.lesson-item{
  display:flex;align-items:center;gap:11px;padding:9px 0;
  border-bottom:1px solid rgba(36,68,93,.35);
}
.lesson-item.known .li-main strong{color:var(--good)}
.li-ico{flex:0 0 22px;font-size:16px;text-align:center}
.li-main{flex:1;min-width:0;display:flex;flex-direction:column}
.li-main strong{font-size:15px;font-weight:600}
.li-main small{color:var(--ink-dim);font-size:12.5px}
.li-say{
  flex:0 0 auto;max-width:46%;padding:5px 9px;border-radius:9px;
  background:rgba(242,177,52,.10);border:1px solid rgba(242,177,52,.28);
  color:#ffd88a;font-size:12.5px;font-weight:650;text-align:right;
}

/* ------------------------------------------------------------ Diagramme --- */
.diagram{
  margin:14px 0 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:var(--sea);
}
.diagram svg{display:block;width:100%;height:auto}
.diagram figcaption{
  padding:10px 13px 12px;font-size:13px;line-height:1.55;color:var(--ink-dim);
  border-top:1px solid rgba(36,68,93,.6);
}

/* --------------------------------------------------------- Fachbegriffe --- */
.term{
  display:inline;padding:0 1px;font:inherit;color:#8fd4ff;
  border-bottom:1px dotted rgba(143,212,255,.65);
}
.term:active{background:rgba(143,212,255,.15)}
.term-text{font-size:15.5px;line-height:1.6;margin:0 0 14px;color:#d3e3ee}
#term-wp{text-align:center;text-decoration:none;color:#8fd4ff;border-color:rgba(143,212,255,.35)}

/* --------------------------------------------------------------- Sheet --- */
.sheet{position:fixed;inset:0;background:rgba(4,10,16,.6);z-index:20;display:flex;align-items:flex-end}
.sheet-inner{
  width:100%;background:var(--panel);border-radius:18px 18px 0 0;
  padding:18px 18px calc(18px + env(safe-area-inset-bottom));border-top:1px solid var(--line);
}
.sheet-inner h3{margin:0 0 12px;font-size:17px}
.layer-toggles{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.layer-toggles button{
  padding:8px 13px;border-radius:99px;background:var(--bg-2);border:1px solid var(--line);
  font-size:14px;color:var(--ink-dim);
}
.layer-toggles button.on{background:var(--accent);color:#20160a;border-color:var(--accent);font-weight:650}