/* ============================================================
   GK Produkttrainer – Stylesheet
   ============================================================ */

:root{
  --magenta:#E20074;
  --magenta-dark:#B8005E;
  --magenta-soft:#FDEBF4;

  --bg:#F4F5F7;
  --surface:#FFFFFF;
  --surface-2:#FAFAFB;
  --border:#E3E5EA;
  --border-strong:#CFD3DA;

  --text:#14161A;
  --text-2:#5A6069;
  --text-3:#8A9099;

  --green:#0E8A4F;
  --green-soft:#E6F5EC;
  --red:#D02A2A;
  --red-soft:#FCEBEB;
  --amber:#B87500;
  --amber-soft:#FFF5E0;
  --blue:#1A6BD4;
  --blue-soft:#EAF2FD;

  --c-festnetz:#1A6BD4;
  --c-mobilfunk:#E20074;
  --c-iotcloud:#0E8A4F;
  --c-ukomm:#0E7C86;
  --c-partner:#7A3FCC;
  --c-sales:#D9770B;

  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 2px rgba(20,22,26,.05), 0 6px 20px rgba(20,22,26,.06);
  --shadow-lg:0 10px 40px rgba(20,22,26,.14);
  --sidebar-w:264px;
  --topbar-h:58px;
  --font:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

:root[data-theme="dark"]{
  --bg:#0E1013;
  --surface:#181B20;
  --surface-2:#1F232A;
  --border:#2A2F37;
  --border-strong:#3A414B;
  --text:#F2F4F7;
  --text-2:#A8B0BA;
  --text-3:#767E89;
  --magenta-soft:#3A0A22;
  --green-soft:#0D2A1B;
  --red-soft:#33100F;
  --amber-soft:#2E2208;
  --blue-soft:#0D2038;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 6px 20px rgba(0,0,0,.35);
  --shadow-lg:0 10px 40px rgba(0,0,0,.55);
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1013;
    --surface:#181B20;
    --surface-2:#1F232A;
    --border:#2A2F37;
    --border-strong:#3A414B;
    --text:#F2F4F7;
    --text-2:#A8B0BA;
    --text-3:#767E89;
    --magenta-soft:#3A0A22;
    --green-soft:#0D2A1B;
    --red-soft:#33100F;
    --amber-soft:#2E2208;
    --blue-soft:#0D2038;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 6px 20px rgba(0,0,0,.35);
    --shadow-lg:0 10px 40px rgba(0,0,0,.55);
  }
}

*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
button,input,select,textarea{font:inherit;color:inherit;}
a{color:inherit;text-decoration:none;cursor:pointer;}

/* ---------- Logo ---------- */
.logo-mark{
  display:inline-block;width:40px;height:40px;border-radius:10px;
  background:var(--magenta);position:relative;flex:none;
}
.logo-mark::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(#fff,#fff) center 26% / 62% 15% no-repeat,
    linear-gradient(#fff,#fff) center 62% / 17% 58% no-repeat;
}
.logo-mark.small{width:28px;height:28px;border-radius:7px;}

/* ---------- Login ---------- */
.login-screen{
  position:fixed;inset:0;z-index:200;
  display:flex;align-items:center;justify-content:center;
  padding:24px 16px;
  background:
    radial-gradient(900px 600px at 80% -10%, rgba(226,0,116,.22), transparent 60%),
    radial-gradient(700px 500px at 10% 110%, rgba(226,0,116,.13), transparent 60%),
    var(--bg);
  overflow-y:auto;
}
.login-card{
  width:100%;max-width:400px;background:var(--surface);
  border:1px solid var(--border);border-radius:20px;
  padding:34px 28px 26px;box-shadow:var(--shadow-lg);
}
.login-logo{margin-bottom:18px;}
.login-card h1{font-size:25px;font-weight:800;letter-spacing:-.02em;}
.login-sub{color:var(--text-2);font-size:13.5px;margin-top:5px;margin-bottom:24px;}
.login-card label{
  display:block;font-size:12.5px;font-weight:600;color:var(--text-2);
  margin-bottom:6px;margin-top:14px;
}
.login-card label .opt{font-weight:400;color:var(--text-3);}
.login-card input{
  width:100%;padding:12px 14px;border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);background:var(--surface-2);
  font-size:16px;transition:border-color .15s, box-shadow .15s;
}
.login-card input:focus{
  outline:none;border-color:var(--magenta);
  box-shadow:0 0 0 3px rgba(226,0,116,.15);
}
.login-error{
  margin-top:14px;padding:10px 13px;border-radius:var(--radius-sm);
  background:var(--red-soft);color:var(--red);font-size:13.5px;font-weight:500;
}
.login-hint{margin-top:20px;font-size:12px;color:var(--text-3);line-height:1.5;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border:1px solid transparent;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:transform .12s, filter .15s, background .15s, border-color .15s;
  background:var(--surface);color:var(--text);
}
.btn:active{transform:scale(.985);}
.btn:disabled{opacity:.45;cursor:not-allowed;filter:none;}
.btn:disabled:active{transform:none;}
.btn-primary{background:var(--magenta);color:#fff;}
.btn-primary:hover{filter:brightness(1.08);}
.btn-ghost{background:transparent;border-color:var(--border-strong);color:var(--text-2);}
.btn-ghost:hover{border-color:var(--text-3);color:var(--text);}
.btn-soft{background:var(--surface-2);border-color:var(--border);}
.btn-soft:hover{border-color:var(--border-strong);}
.btn-block{width:100%;margin-top:22px;padding:13px;}
.btn-sm{padding:7px 13px;font-size:13px;}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:60;height:var(--topbar-h);
  display:flex;align-items:center;gap:12px;padding:0 16px;
  background:var(--surface);border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-text{font-weight:700;font-size:15px;letter-spacing:-.01em;white-space:nowrap;}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:8px;}
.xp-pill,.streak-pill{
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 11px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--magenta-soft);color:var(--magenta);
}
:root[data-theme="dark"] .xp-pill,:root[data-theme="dark"] .streak-pill{color:#FF5FAE;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .xp-pill,:root:not([data-theme="light"]) .streak-pill{color:#FF5FAE;}}
.streak-pill{background:var(--amber-soft);color:var(--amber);}
:root[data-theme="dark"] .streak-pill{color:#F0A72E;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .streak-pill{color:#F0A72E;}}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;border:1px solid var(--border);
  background:var(--surface);color:var(--text-2);cursor:pointer;
}
.icon-btn:hover{background:var(--surface-2);color:var(--text);}
.burger{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:34px;height:34px;border:none;background:transparent;cursor:pointer;padding:0;
}
.burger span{display:block;height:2px;width:19px;background:var(--text);border-radius:2px;}

/* ---------- Layout ---------- */
.layout{display:flex;align-items:flex-start;}
.sidebar{
  width:var(--sidebar-w);flex:none;
  position:sticky;top:var(--topbar-h);
  height:calc(100vh - var(--topbar-h));
  overflow-y:auto;padding:16px 12px 24px;
  background:var(--surface);border-right:1px solid var(--border);
}
.profile-box{
  display:flex;align-items:center;gap:11px;padding:11px;
  background:var(--surface-2);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:18px;
}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:none;
  background:var(--magenta);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;
}
.profile-meta{min-width:0;}
.profile-name{font-size:13.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.profile-rank{font-size:11.5px;color:var(--text-3);}
.nav-section{
  font-size:10.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--text-3);padding:16px 10px 7px;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:background .13s, color .13s;
}
.nav-item:hover{background:var(--surface-2);color:var(--text);}
.nav-item.active{background:var(--magenta-soft);color:var(--magenta);font-weight:600;}
:root[data-theme="dark"] .nav-item.active{color:#FF63B0;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .nav-item.active{color:#FF63B0;}}
.ni-icon{font-size:11px;width:14px;text-align:center;flex:none;opacity:.8;}
.nc-festnetz{color:var(--c-festnetz);}
.nc-mobilfunk{color:var(--c-mobilfunk);}
.nc-iotcloud{color:var(--c-iotcloud);}
.nc-ukomm{color:var(--c-ukomm);}
.nc-partner{color:var(--c-partner);}
.nc-sales{color:var(--c-sales);}
.nav-prog{margin-left:auto;font-size:11px;font-weight:700;color:var(--text-3);font-variant-numeric:tabular-nums;}
.nav-badge{
  margin-left:auto;background:var(--red);color:#fff;
  font-size:10.5px;font-weight:700;padding:1px 7px;border-radius:999px;
}
.sync-state{
  margin-top:22px;padding:8px 10px;font-size:11px;color:var(--text-3);
  border-top:1px solid var(--border);
}
.sync-state.ok{color:var(--green);}
.sync-state.err{color:var(--amber);}
.scrim{display:none;}

.content{
  flex:1;min-width:0;padding:26px 28px 80px;
  max-width:1080px;margin:0 auto;
}

/* ---------- Typo ---------- */
.page-head{margin-bottom:22px;}
.page-title{font-size:26px;font-weight:800;letter-spacing:-.025em;}
.page-sub{color:var(--text-2);font-size:14px;margin-top:5px;}
h2.sec-title{font-size:16px;font-weight:700;margin:30px 0 13px;letter-spacing:-.01em;}
h2.sec-title:first-child{margin-top:0;}

/* ---------- Cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);
}
.grid{display:grid;gap:14px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-auto{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));}

/* ---------- Stat tiles ---------- */
.stat{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:15px 16px;
}
.stat-label{font-size:11.5px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em;}
.stat-value{font-size:27px;font-weight:800;letter-spacing:-.03em;margin-top:5px;font-variant-numeric:tabular-nums;}
.stat-hint{font-size:12px;color:var(--text-3);margin-top:2px;}

/* ---------- Kategorie-Karten ---------- */
.cat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;cursor:pointer;position:relative;overflow:hidden;
  transition:transform .15s, box-shadow .15s, border-color .15s;
  box-shadow:var(--shadow);
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--border-strong);}
.cat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--cc,var(--magenta));}
.cat-name{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.cat-desc{font-size:13px;color:var(--text-2);margin-top:4px;min-height:36px;}
.cat-meta{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;color:var(--text-3);margin-top:12px;}
.cat-meta b{color:var(--text);font-size:13px;}

/* ---------- Progress ---------- */
.bar{height:7px;background:var(--surface-2);border-radius:999px;overflow:hidden;border:1px solid var(--border);}
.bar-fill{height:100%;background:var(--magenta);border-radius:999px;transition:width .45s cubic-bezier(.4,0,.2,1);}
.bar.thin{height:5px;}

/* ---------- Quiz ---------- */
.quiz-wrap{max-width:760px;margin:0 auto;}
.quiz-top{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.quiz-counter{font-size:12.5px;font-weight:700;color:var(--text-3);font-variant-numeric:tabular-nums;}
.quiz-cat-tag{
  font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text-2);
}
.quiz-timer{margin-left:auto;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text-2);}
.quiz-timer.warn{color:var(--red);}
.quiz-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);margin-top:16px;
}
.q-topic{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--magenta);margin-bottom:9px;
}
:root[data-theme="dark"] .q-topic{color:#FF63B0;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .q-topic{color:#FF63B0;}}
.q-text{font-size:18.5px;font-weight:650;line-height:1.45;letter-spacing:-.015em;}
.q-multi-hint{font-size:12px;color:var(--text-3);margin-top:7px;}
.opts{display:flex;flex-direction:column;gap:9px;margin-top:20px;}
.opt-btn{
  display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;
  padding:14px 15px;border:1.5px solid var(--border-strong);border-radius:var(--radius-sm);
  background:var(--surface);cursor:pointer;font-size:14.5px;line-height:1.45;
  transition:border-color .13s, background .13s, transform .1s;
}
.opt-btn:hover:not(:disabled){border-color:var(--magenta);background:var(--surface-2);}
.opt-btn:disabled{cursor:default;}
.opt-key{
  flex:none;width:23px;height:23px;border-radius:6px;
  border:1.5px solid var(--border-strong);
  display:flex;align-items:center;justify-content:center;
  font-size:11.5px;font-weight:700;color:var(--text-3);margin-top:1px;
}
.opt-btn.selected{border-color:var(--magenta);background:var(--magenta-soft);}
.opt-btn.selected .opt-key{border-color:var(--magenta);background:var(--magenta);color:#fff;}
.opt-btn.correct{border-color:var(--green);background:var(--green-soft);}
.opt-btn.correct .opt-key{border-color:var(--green);background:var(--green);color:#fff;}
.opt-btn.wrong{border-color:var(--red);background:var(--red-soft);}
.opt-btn.wrong .opt-key{border-color:var(--red);background:var(--red);color:#fff;}
.opt-btn.muted{opacity:.55;}

.feedback{
  margin-top:18px;padding:15px 16px;border-radius:var(--radius-sm);
  border-left:3px solid var(--green);background:var(--green-soft);
  animation:slideIn .25s ease;
}
.feedback.bad{border-left-color:var(--red);background:var(--red-soft);}
.fb-head{font-size:14px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:7px;}
.fb-text{font-size:13.8px;line-height:1.6;color:var(--text-2);}
.fb-text b{color:var(--text);}
.fb-links{
  margin-top:11px;padding-top:10px;border-top:1px solid rgba(128,128,128,.22);
  font-size:12.5px;color:var(--text-3);
}
.fb-link{
  font-weight:600;color:var(--text-2);text-decoration:underline;
  text-underline-offset:2px;cursor:pointer;
}
.fb-link:hover{color:var(--magenta);}
:root[data-theme="dark"] .fb-link:hover{color:#FF63B0;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .fb-link:hover{color:#FF63B0;}}

.fb-source{font-size:11.5px;color:var(--text-3);margin-top:9px;font-style:italic;}
@keyframes slideIn{from{opacity:0;transform:translateY(-5px);}to{opacity:1;transform:none;}}

.quiz-actions{display:flex;gap:10px;margin-top:20px;align-items:center;flex-wrap:wrap;}
.quiz-actions .spacer{flex:1;}

/* ---------- Result ---------- */
.result-card{text-align:center;padding:36px 24px;}
.result-ring{
  width:132px;height:132px;margin:0 auto 18px;position:relative;
}
.result-ring svg{transform:rotate(-90deg);}
.result-ring .rv{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.result-pct{font-size:31px;font-weight:800;letter-spacing:-.03em;line-height:1;}
.result-pct-sub{font-size:11px;color:var(--text-3);font-weight:600;margin-top:3px;}
.result-title{font-size:21px;font-weight:800;letter-spacing:-.02em;}
.result-sub{color:var(--text-2);font-size:14px;margin-top:6px;}
.result-stats{display:flex;justify-content:center;gap:28px;margin:22px 0;flex-wrap:wrap;}
.rs{text-align:center;}
.rs-v{font-size:21px;font-weight:800;font-variant-numeric:tabular-nums;}
.rs-l{font-size:11.5px;color:var(--text-3);font-weight:600;text-transform:uppercase;letter-spacing:.04em;}

/* ---------- Library ---------- */
.lib-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.chip{
  padding:7px 14px;border-radius:999px;border:1px solid var(--border-strong);
  background:var(--surface);font-size:13px;font-weight:600;color:var(--text-2);cursor:pointer;
  transition:all .13s;
}
.chip:hover{border-color:var(--text-3);}
.chip.active{background:var(--magenta);border-color:var(--magenta);color:#fff;}
.search-box{
  width:100%;padding:11px 14px;border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);background:var(--surface);
  font-size:15px;margin-bottom:14px;
}
.search-box:focus{outline:none;border-color:var(--magenta);box-shadow:0 0 0 3px rgba(226,0,116,.13);}

/* ---------- Produktübersicht ---------- */
.chip-n{
  display:inline-block;margin-left:4px;font-size:11px;font-weight:700;
  opacity:.6;font-variant-numeric:tabular-nums;
}
.sec-count{
  font-size:12px;font-weight:600;color:var(--text-3);
  background:var(--surface-2);border:1px solid var(--border);
  padding:1px 8px;border-radius:999px;margin-left:6px;vertical-align:middle;
}
.prod-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px 17px;cursor:pointer;
  position:relative;overflow:hidden;box-shadow:var(--shadow);
  transition:transform .15s, box-shadow .15s, border-color .15s;
  display:flex;flex-direction:column;
}
.prod-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cc);}
.prod-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--border-strong);}
.prod-cat{
  font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--cc);margin-bottom:6px;
}
.prod-title{font-size:15.5px;font-weight:700;letter-spacing:-.015em;line-height:1.3;}
.prod-tagline{font-size:13px;color:var(--text-2);margin-top:4px;flex:1;line-height:1.5;}
.prod-more{
  font-size:12.5px;font-weight:600;color:var(--cc);margin-top:12px;
  opacity:0;transform:translateX(-4px);transition:all .15s;
}
.prod-card:hover .prod-more{opacity:1;transform:none;}
@media (hover:none){.prod-more{opacity:1;transform:none;} .prod-card:hover{transform:none;}}

/* ---------- Glossar ---------- */
dfn.gloss{
  font-style:normal;cursor:help;
  border-bottom:1px dashed var(--text-3);
  transition:color .13s, border-color .13s;
}
dfn.gloss:hover{color:var(--magenta);border-bottom-color:var(--magenta);}
:root[data-theme="dark"] dfn.gloss:hover{color:#FF63B0;border-bottom-color:#FF63B0;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) dfn.gloss:hover{color:#FF63B0;border-bottom-color:#FF63B0;}}

.gloss-pop{
  position:absolute;z-index:250;
  background:var(--surface);border:1px solid var(--border-strong);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:14px 16px;
  opacity:0;transform:translateY(-4px);transition:opacity .15s, transform .15s;
}
.gloss-pop.show{opacity:1;transform:none;}
.gp-head{display:flex;align-items:center;gap:8px;margin-bottom:7px;}
.gp-term{font-size:14.5px;font-weight:700;letter-spacing:-.01em;}
.gp-cat{
  font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--text-3);background:var(--surface-2);
  border:1px solid var(--border);padding:2px 7px;border-radius:999px;
}
.gp-close{
  margin-left:auto;border:none;background:transparent;cursor:pointer;
  font-size:19px;line-height:1;color:var(--text-3);padding:0 2px;
}
.gp-close:hover{color:var(--text);}
.gp-text{font-size:13.5px;line-height:1.6;color:var(--text-2);}

.gloss-list{padding:4px 18px;}
.gloss-row{
  display:grid;grid-template-columns:170px 1fr;gap:18px;
  padding:13px 0;border-bottom:1px solid var(--border);
}
.gloss-row:last-child{border-bottom:none;}
.gloss-term{font-size:14px;font-weight:700;letter-spacing:-.01em;}
.gloss-def{font-size:13.8px;line-height:1.6;color:var(--text-2);}

/* ---------- Lernstatus ---------- */
.read-progress{display:flex;align-items:center;gap:12px;margin-top:12px;}
.rp-label{font-size:12.5px;font-weight:600;color:var(--text-3);white-space:nowrap;}
.prod-top{display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.prod-top .prod-cat{margin-bottom:0;}
.prod-status{
  margin-left:auto;font-size:10px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;padding:2px 8px;border-radius:999px;
  border:1px solid var(--border);color:var(--text-3);background:var(--surface-2);
}
.prod-status.read{border-color:var(--blue);color:var(--blue);background:var(--blue-soft);}
.prod-status.done{border-color:var(--green);color:var(--green);background:var(--green-soft);}
.prod-qn{color:var(--text-3);font-weight:500;}

/* ---------- Produkt-Infoseite ---------- */
.prod-page{max-width:800px;}
.back-link{
  display:inline-block;font-size:13.5px;font-weight:600;color:var(--text-3);
  margin-bottom:18px;cursor:pointer;transition:color .13s;
}
.back-link:hover{color:var(--magenta);}
.prod-head{
  border-left:4px solid var(--cc);padding-left:16px;margin-bottom:20px;
}
.prod-cat-tag{
  display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:#fff;padding:3px 10px;border-radius:999px;margin-bottom:9px;
}
.prod-h1{font-size:29px;font-weight:800;letter-spacing:-.03em;line-height:1.15;}
.prod-sub{font-size:15.5px;color:var(--text-2);margin-top:6px;}
.prod-intro{
  font-size:16px;line-height:1.65;color:var(--text);margin-bottom:22px;
}

.fact-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1px;
  background:var(--border);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;margin-bottom:24px;
}
.fact{background:var(--surface);padding:13px 15px;}
.fact-k{
  font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--text-3);margin-bottom:4px;
}
.fact-v{font-size:13.8px;line-height:1.5;color:var(--text);}

.prod-quiz{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--magenta-soft);border:1px solid var(--magenta);
  border-radius:var(--radius);padding:15px 17px;margin-bottom:26px;
}
.prod-quiz > div:first-child{flex:1;min-width:180px;}
.pq-title{font-size:14.5px;font-weight:700;}
.pq-sub{font-size:12.5px;color:var(--text-2);margin-top:2px;}

.prod-section{margin-bottom:26px;}
.prod-section h3{
  font-size:17px;font-weight:700;letter-spacing:-.015em;margin-bottom:10px;
}
.prod-body{font-size:14.8px;line-height:1.7;color:var(--text-2);}
.prod-body b,.prod-list b,.faq-a b{color:var(--text);font-weight:600;}
.prod-list{list-style:none;}
.prod-list li{
  font-size:14.5px;line-height:1.65;color:var(--text-2);
  padding-left:18px;position:relative;margin-bottom:8px;
}
.prod-list li::before{
  content:"";position:absolute;left:2px;top:9px;
  width:5px;height:5px;border-radius:50%;background:var(--border-strong);
}

.faq-item{
  border-top:1px solid var(--border);padding:14px 0;
}
.faq-item:first-of-type{border-top:none;padding-top:4px;}
.faq-q{font-size:14.5px;font-weight:650;margin-bottom:5px;}
.faq-a{font-size:14px;line-height:1.65;color:var(--text-2);}

.prod-pitch{margin-bottom:26px;font-size:14.5px;}

.rel-row{display:flex;flex-wrap:wrap;gap:8px;}
.rel-chip{
  display:inline-block;padding:8px 14px;border-radius:999px;
  border:1px solid var(--border-strong);background:var(--surface);
  font-size:13px;font-weight:600;color:var(--text-2);cursor:pointer;
  transition:all .13s;
}
.rel-chip:hover{border-color:var(--cc);color:var(--cc);background:var(--surface-2);}

/* ---------- Gesprächsargument ---------- */
.pitch{
  padding:14px 16px;background:var(--magenta-soft);
  border-radius:var(--radius-sm);font-size:14px;line-height:1.65;
  border-left:3px solid var(--magenta);
}
.pitch strong{
  display:block;font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--magenta);margin-bottom:5px;font-weight:700;
}
:root[data-theme="dark"] .pitch strong{color:#FF63B0;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pitch strong{color:#FF63B0;}}

/* ---------- Objection trainer ---------- */
.obj-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);max-width:760px;margin:0 auto;
}
.obj-quote{
  font-size:19px;font-weight:650;line-height:1.5;letter-spacing:-.015em;
  padding:16px 18px;background:var(--surface-2);border-radius:var(--radius-sm);
  border-left:3px solid var(--amber);
}
.obj-quote::before{content:"„";}
.obj-quote::after{content:"“";}
.obj-answer{margin-top:18px;}
.obj-answer h4{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-3);margin:14px 0 6px;font-weight:700;}
.obj-answer p{font-size:14px;line-height:1.65;color:var(--text-2);}
.obj-answer p b{color:var(--text);}

/* ---------- Misc ---------- */
.empty{
  text-align:center;padding:52px 20px;color:var(--text-3);
}
.empty-icon{font-size:38px;margin-bottom:12px;opacity:.45;}
.empty h3{font-size:17px;color:var(--text-2);font-weight:650;margin-bottom:6px;}
.empty p{font-size:13.5px;max-width:380px;margin:0 auto;}

.badge-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:10px;}
.badge{
  display:flex;align-items:center;gap:7px;padding:8px 13px;
  border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text-3);
}
.badge.earned{background:var(--magenta-soft);border-color:var(--magenta);color:var(--magenta);}
:root[data-theme="dark"] .badge.earned{color:#FF63B0;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .badge.earned{color:#FF63B0;}}

.disclaimer{
  margin-top:26px;padding:13px 15px;background:var(--surface-2);
  border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:12px;color:var(--text-3);line-height:1.6;
}

.topic-row{
  display:flex;align-items:center;gap:12px;padding:10px 0;
  border-bottom:1px solid var(--border);
}
.topic-row:last-child{border-bottom:none;}
.topic-name{font-size:13.5px;font-weight:500;flex:1;min-width:0;}
.topic-bar{width:110px;flex:none;}
.topic-pct{width:42px;text-align:right;font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text-2);}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(14px);
  background:var(--text);color:var(--bg);padding:11px 20px;border-radius:999px;
  font-size:13.5px;font-weight:600;box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;transition:all .25s;z-index:300;white-space:nowrap;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:820px){
  .burger{display:flex;}
  .sidebar{
    position:fixed;top:var(--topbar-h);left:0;bottom:0;height:auto;
    z-index:80;transform:translateX(-100%);
    transition:transform .24s cubic-bezier(.4,0,.2,1);
    box-shadow:var(--shadow-lg);width:270px;
  }
  .sidebar.open{transform:none;}
  .scrim{
    display:block;position:fixed;inset:var(--topbar-h) 0 0 0;z-index:70;
    background:rgba(0,0,0,.42);opacity:0;pointer-events:none;transition:opacity .24s;
  }
  .scrim.show{opacity:1;pointer-events:auto;}
  .content{padding:18px 16px 90px;}
  .page-title{font-size:22px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .grid-auto{grid-template-columns:1fr;}
  .quiz-card{padding:19px 17px;}
  .prod-h1{font-size:24px;}
  .prod-intro{font-size:15px;}
  .fact-grid{grid-template-columns:1fr;}
  .gloss-row{grid-template-columns:1fr;gap:4px;}
  .prod-section h3{font-size:16px;}
  .q-text{font-size:17px;}
  .opt-btn{padding:13px 13px;font-size:14px;}
  .brand-text{display:none;}
}

@media (max-width:420px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .stat-value{font-size:22px;}
  .result-stats{gap:18px;}
  .topbar{padding:0 12px;gap:8px;}
  .xp-pill,.streak-pill{padding:4px 9px;font-size:12px;}
  .login-card{padding:26px 20px 22px;}
}

@media (hover:none){
  .cat-card:hover{transform:none;}
}