*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:#f7f7fb;
  color:#111;
}
.top{
  background:#fff;
  border-bottom:1px solid #eee;
  padding:14px 16px;
  position:sticky;
  top:0;
}
.title{font-size:20px;font-weight:800}
.subtitle{opacity:.75;margin-top:4px}
.container{max-width:980px;margin:16px auto;padding:0 14px;display:grid;gap:14px}
.card{
  background:#fff;border:1px solid #eee;border-radius:14px;
  padding:14px; box-shadow:0 6px 20px rgba(0,0,0,.05);
}
.levels{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.btn{
  border:1px solid #ddd;background:#fff;border-radius:12px;
  padding:10px 14px;font-weight:700;cursor:pointer
}
.btn.active{border-color:#e63946}
.btn.active{
  background:#e63946 !important;
  color:#fff !important;
  border-color:#e63946 !important;
  box-shadow:0 8px 18px rgba(230,57,70,.25);
}
.hint{margin-top:10px;opacity:.7}

.grid{
  display:grid;gap:12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.tile{
  border:0; cursor:pointer;
  background:#fff; border:1px solid #eee; border-radius:16px;
  padding:18px; text-align:left;
  box-shadow:0 6px 20px rgba(0,0,0,.05);
}
.tileTitle{font-size:18px;font-weight:800}
.tileSub{opacity:.75;margin-top:6px}

.install{
  position:fixed; left:50%; transform:translateX(-50%);
  bottom:18px; border:0; border-radius:999px;
  padding:12px 18px; font-weight:800; cursor:pointer;
  background:#e63946; color:#fff;
}
@media (max-width:520px){
  .grid{grid-template-columns:1fr}
}
#options {
  display: grid;
  gap: 10px;
  max-width: 340px;
}

.btn, .option-btn {
  display: inline-block;
  background: #fff !important;
  color: #111 !important;
  border: 1px solid #ddd !important;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
}
#options { display:grid; gap:10px; max-width:340px; }
.option-btn { width: 100%; }

.option-btn { width: 100%; }

.option-btn.correct {
  background: #2ecc71 !important;
  color: #fff !important;
  border-color: #2ecc71 !important;
}

.option-btn.wrong {
  background: #e74c3c !important;
  color: #fff !important;
  border-color: #e74c3c !important;
}

.badge-current{
  display:inline-block;
  padding:3px 8px;
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  background:#f59e0b;
  color:#1f2937;
}

.badge-done{
  display:inline-block;
  padding:3px 8px;
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  background:#16a34a;
  color:#fff;
}

#screenTitle{
  font-size:20px;
  font-weight:900;
  letter-spacing:-0.01em;
  margin-bottom:10px;
}

#screenBody{
  display:grid;
  gap:10px;
}

.option-btn:disabled {
  opacity: 0.9;
  cursor: not-allowed;
}

.blue {
  color: #1e90ff;
  font-weight: bold;
}
:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;

  --primary: #2563eb;
  --success: #16a34a;
  --danger: #dc2626;
  --shadow: 0 10px 25px rgba(0,0,0,.06);
  --radius: 18px;
}

body{
  background: var(--bg);
  color: var(--text);
}

/* Buttons: modern & einheitlich */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;

  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);

  font-weight: 700;
  cursor: pointer;
  transition: transform .08s ease, box-shadow .18s ease, border-color .18s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
}

.btn:hover{
  transform: translateY(-1px);
  border-color: #cfd6e4;
  box-shadow: 0 10px 20px rgba(0,0,0,.06);
}

.btn:active{ transform: translateY(0); }

.btn.big{
  padding: 14px 16px;
  border-radius: 18px;
  font-size: 1.05rem;
}

/* Varianten (optional) */
.btn.primary{
  background: var(--primary);
  color: white;
  border-color: transparent;
}
.btn.success{
  background: var(--success);
  color: white;
  border-color: transparent;
}
.btn.danger{
  background: var(--danger);
  color: white;
  border-color: transparent;
}

.btn:disabled{
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}

/* Container / Cards */
.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

/* Button-Gruppen: schöne Übersicht */
.btn-row{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-grid{
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Headings */
h1,h2{ letter-spacing: -0.02em; }
.small-muted{ color: var(--muted); font-size: 13px; }

/* Inputs schöner */
input[type="text"]{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  font-size: 16px;
  outline: none;
}
input[type="text"]:focus{
  border-color: #bcd0ff;
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}
.result-ok{ color: var(--success); font-weight: 800; }
.result-bad{ color: var(--danger); font-weight: 800; }

/* ===== App polish (final overrides) ===== */
:root{
  --bg: #f6f4ef;
  --card: #fffdf9;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #eee6d8;
  --primary: #2f6f68;
  --accent: #d4a373;
  --shadow: 0 12px 30px rgba(15,23,42,.08);
  --radius: 18px;
}

body{
  font-family: "Alegreya Sans", "Futura", "Trebuchet MS", sans-serif;
  background-image:
    radial-gradient(900px 500px at 10% -10%, #fff2cc 0%, rgba(255,242,204,0) 60%),
    radial-gradient(800px 400px at 100% 0%, #d9f2f1 0%, rgba(217,242,241,0) 55%),
    linear-gradient(180deg, #fdf7ee 0%, #f5f3ee 100%);
  color: var(--text);
}

.container{ max-width: 980px; }

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.grid{
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tile{
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
}

.tile::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  border-left: 5px solid var(--accent);
  pointer-events: none;
}

.tileTitle{ font-size: 18px; font-weight: 900; }
.tileSub{ color: var(--muted); }

.chev{
  font-size: 20px;
  opacity: .6;
  transition: transform .18s ease;
}

.chev-open{
  transform: rotate(90deg);
}

.btn{
  border-radius: 14px;
  border: 1px solid var(--border);
}

.btn.active{
  background: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary) !important;
  box-shadow: 0 10px 24px rgba(47,111,104,.2);
}

.lesson-title{ font-weight: 800; }
.lesson-sub{ margin-top: 4px; }

.badge-current{
  background: var(--accent);
  color: #3a2f1e;
}

.howto{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap:10px;
  margin: 8px 0 14px;
}

.howto-step{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px dashed var(--border);
  border-radius:12px;
  background: #f8f1e7;
  font-weight: 700;
}

.step-num{
  width:26px;
  height:26px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background: var(--primary);
  color:#fff;
  font-weight:900;
}
/* ================================
   MODERN UI — DeutschTamil Learn
   ================================ */

:root{
  --bg: #f3f4f6;
  --card: rgba(255,255,255,.85);
  --border: rgba(0,0,0,.08);
  --text: #0f172a;
  --muted: #64748b;

  --primary: #6366f1;   /* modern indigo */
  --primary-soft: rgba(99,102,241,.15);
  --success: #22c55e;
  --danger: #ef4444;

  --radius: 22px;
  --shadow-soft: 0 8px 30px rgba(0,0,0,.08);
  --shadow-hover: 0 14px 40px rgba(0,0,0,.12);
}

/* Hintergrund */
body{
  background: linear-gradient(180deg,#f8fafc,#eef2ff);
  color: var(--text);
  font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto;
}

/* Cards / Screens */
.card{
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

/* Buttons – App like */
.btn{
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 700;
  font-size: 15px;

  background: white;
  color: var(--text);
  box-shadow: var(--shadow-soft);

  cursor: pointer;
  transition: all .2s ease;
}

.btn:hover{
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-hover);
}

.btn:active{
  transform: scale(.98);
}

/* Hauptaktion */
.btn.primary{
  background: linear-gradient(135deg,#6366f1,#818cf8);
  color: white;
}

/* Sekundär */
.btn.soft{
  background: var(--primary-soft);
  color: var(--primary);
}

/* Gefahr */
.btn.danger{
  background: #fee2e2;
  color: var(--danger);
}

/* Große Buttons */
.btn.big{
  font-size: 1.05rem;
  padding: 16px 26px;
}

/* Button-Gruppen */
.btn-row{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-grid{
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
}

/* Inputs */
input[type="text"]{
  width: 100%;
  border-radius: 999px;
  padding: 14px 18px;
  font-size: 16px;
  border: 1px solid var(--border);
  outline: none;
  transition: box-shadow .2s ease,border .2s ease;
}

input[type="text"]:focus{
  border-color: var(--primary);
  box-shadow: 0 0 0 6px var(--primary-soft);
}

/* Resultate */
.result-ok{
  color: var(--success);
  font-weight: 800;
}
.result-bad{
  color: var(--danger);
  font-weight: 800;
}

/* Überschriften */
h1,h2{
  letter-spacing: -.03em;
}
.small-muted{
  color: var(--muted);
  font-size: 13px;
}
/* ===== Lektionen Liste (Home) ===== */
button[data-lesson]{
  background: linear-gradient(135deg,#6366f1,#818cf8);
  color: white;
  border: 0;
  box-shadow: 0 10px 28px rgba(99,102,241,.35);
}

button[data-lesson]:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(99,102,241,.45);
}

/* erledigte Lektion */
button[data-lesson]::before{
  margin-right: 6px;
}
button[data-lesson]:has(span.done),
button[data-lesson]:has(:contains("✅")){
  background: linear-gradient(135deg,#22c55e,#16a34a);
}
/* =========================
   MOBILE KARTEN (Lektionen)
   ========================= */

/* Container: macht Buttons wie Karten */
button[data-lesson]{
  width: 100%;
  text-align: left;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;

  padding: 16px 16px;
  border-radius: 18px;

  border: 1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);

  box-shadow: 0 10px 26px rgba(0,0,0,.07);
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}

button[data-lesson]:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0,0,0,.10);
  border-color: rgba(99,102,241,.35);
}

/* Titel optisch schöner */
button[data-lesson] .lesson-title{
  font-weight: 800;
  line-height: 1.25;
  font-size: 16px;
}

/* Untertitel (optional) */
button[data-lesson] .lesson-sub{
  margin-top: 4px;
  font-size: 12.5px;
  opacity: .75;
}

/* Rechts Pfeil */
button[data-lesson] .chev{
  flex: 0 0 auto;
  opacity: .55;
  font-size: 18px;
}

/* Done Badge */
button[data-lesson] .badge-done{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: rgba(34,197,94,.15);
  color: #16a34a;
}

/* Mobile spacing */
@media (max-width: 520px){
  button[data-lesson]{
    padding: 16px 14px;
    border-radius: 16px;
  }
  button[data-lesson] .lesson-title{
    font-size: 15px;
  }
}
/* ===== Kategorien – EINHEITLICH GRÜN ===== */
.cat {
  background: #eafaf1;              /* hellgrün */
  border-left: 6px solid #2ecc71;    /* grüne Linie */
  border-radius: 16px;
  padding: 12px;
}
/* ===== Kategorien – NUR FARBSTREIFEN ===== */
.cat {
  background: #f9fdfb;          /* überall gleich */
  border-left: 6px solid #2ecc71; /* Default grün */
  border-radius: 18px;
  padding: 12px;
}

/* nur linker Streifen unterschiedlich */
.cat-Perfekt { border-left-color: #2ecc71; }
.cat-Nebensätze { border-left-color: #3498db; }
.cat-Präpositionen { border-left-color: #f39c12; }
.cat-Modalverben { border-left-color: #9b59b6; }
.cat-Wortschatz { border-left-color: #00a8ff; }
.cat-Tests\ \&\ Wiederholung { border-left-color: #7f8c8d; }
.cat-Übergang\ A2\ →\ B1 { border-left-color: #e74c3c; }
.cat-Sonstiges { border-left-color: #bdc3c7; }
/* ===== Kategorie Titel MARKER ===== */
.cat-title {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 800;
}

/* Farben nur für den Textmarker */
.cat-title-Perfekt { background: #cfe5ff; }       /* blau */
.cat-title-Nebensätze { background: #d9f2ff; }    /* hellblau */
.cat-title-Präpositionen { background: #ffe5c4; }/* orange */
.cat-title-Modalverben { background: #eadcff; }   /* lila */
.cat-title-Wortschatz { background: #dff5ff; }    /* türkis */
.cat-title-Tests\ \&\ Wiederholung { background: #eeeeee; }
.cat-title-Übergang\ A2\ →\ B1 { background: #ffd6d6; }
.cat-title-Sonstiges { background: #f0f0f0; }

/* Sticky Marker oben (nur beim Scroll sichtbar) */
.cat-sticky {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 8px 0 10px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
}

/* dein Marker (du hast schon cat-title Klassen) */
.cat-sticky .cat-title {
  margin-left: 6px;
}
.selectSmall{
  width: 260px;     /* oder 100% wenn du willst */
  max-width: 100%;
  height: 40px;
  padding: 6px 10px;
  font-size: 16px;
  border-radius: 10px;
}
.btn.big {
  width: 100%;          /* alle gleich breit */
  max-width: 520px;     /* gleiche Max-Breite */
  height: 64px;         /* gleiche Höhe */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border-radius: 999px; /* pill shape */
}
/* Grammar Explanation Dropdown (nicht wie Button) */
.langSelect{
  width: 100%;
  max-width: 520px;
  padding: 10px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-weight: 800;
  font-size: 16px;
}
.app-header {
  background: linear-gradient(90deg, #e55811, #3e0e91);
  color: white;
  padding: 20px;
  font-size: 28px;
  font-weight: 700;
  text-align: center;

  border-radius: 12px;
  margin: 15px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}
.app-header{
  position: relative;
  margin: 14px;
  padding: 18px 18px 16px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, #0b1220, #111827, #0b1220);
  overflow: hidden;
  box-shadow: 0 10px 22px rgba(0,0,0,.18);
}

/* German flag bar (STATIC) */
.flag-bar{
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    #000 0 33.33%,
    #f00202 33.33% 66.66%,
    #ffce00 66.66% 100%
  );
}

/* Title row */
.title-row{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
}

.flag-emoji{
  font-size: 26px;
}

.app-title{
  font-size: 30px;
  font-weight: 800;
  letter-spacing: .3px;
  text-align: center;
}

/* Mobile */
@media (max-width: 480px){
  .app-title{ font-size: 22px; }
  .flag-emoji{ font-size: 22px; }
}

.tile {
  background-color: #fc3f06;   /* light purple */
  border-radius: 20px;
}




#btnWrite {
  background-color: #e6e46a;
}
button#btnGrammarExtra {
  background-color: #e6a86a !important;
}
button#btnWriteMenu {
  background-color: #ea0808 !important;
}
button#btnWriteMenu {
  background: #e6e46a !important;
  border: none;
}
button#btnGrammarExtra,
button#btnWriteMenu {
  background: #ea0202 !important;
}
button#btnWritePresent {
  background-image: none !important;   /* gradient remove */
  background-color: #e30808 !important;
}
button#btnWritePerfect,
button#btnWriteB1Nebensatz {
  background-image: none !important;   /* gradient remove */
  background-color: #f90000 !important;
}
.level,
.levelBox,
.levelContainer {
  background-color: #000000 !important;
}
.level h2,
.levelTitle {
  color: #ffffff;
}

/* ===== Modern, simple UI override (final) ===== */
:root{
  --bg: #f7f4ef;
  --card: #fffdf9;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #eadfce;
  --primary: #5a7b6f;
  --primary-soft: #e6eee9;
  --accent: #c9b28f;
  --shadow: 0 12px 26px rgba(27,31,35,.08);
  --radius: 18px;
}

body{
  font-family: "IBM Plex Sans", "Source Sans 3", "Avenir Next", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(900px 450px at 15% -10%, #fff1cf 0%, rgba(255,241,207,0) 60%),
    radial-gradient(800px 420px at 100% 0%, #e3f2ee 0%, rgba(227,242,238,0) 55%),
    linear-gradient(180deg, #fdf7ee 0%, #f5f3ee 100%);
  color: var(--text);
}

.top{
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.app-header{
  max-width: 980px;
  margin: 0 auto;
}

.app-title{
  font-family: "IBM Plex Serif", "Source Serif 4", "Georgia", serif;
  font-size: 28px;
  font-weight: 900;
}

.app-subtitle{
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.card{
  background: var(--card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.muted{ color: var(--muted); }

.levels .btn{
  background: var(--primary-soft) !important;
  border-color: var(--border) !important;
}

.btn{
  border-radius: 14px;
  border: 1px solid var(--border) !important;
  background: #fff !important;
  color: var(--text) !important;
}

.btn.big{
  background: var(--primary-soft) !important;
}

.btn.active{
  background: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary) !important;
  box-shadow: 0 10px 24px rgba(90,123,111,.2);
}

.btn.primary{
  background: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary) !important;
}

.grid{
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tile{
  background: var(--card) !important;
  border: 1px solid var(--border) !important;
  border-radius: 18px !important;
  box-shadow: var(--shadow);
  position: relative;
}

.tile::before{
  border-left: 4px solid var(--accent) !important;
}

.tileTitle{
  font-family: "IBM Plex Serif", "Source Serif 4", "Georgia", serif;
  font-size: 18px;
  font-weight: 900;
}
.tileSub{ color: var(--muted); }

.extras .extras-grid{
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

details{
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: #f9f5ef;
}

summary{
  font-weight: 800;
  cursor: pointer;
}

.exercise-wrap{
  position: relative;
}

.exercise-list{
  display: grid;
  gap: 10px;
}

.exercise-start{
  margin-top: 12px;
}

.start-card{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow);
  min-width: 240px;
}

.start-title{
  font-family: "IBM Plex Serif", "Source Serif 4", "Georgia", serif;
  font-size: 18px;
  font-weight: 900;
}

.start-sub{
  color: var(--muted);
  margin: 6px 0 12px;
}

.badge-current{
  background: var(--accent) !important;
  color: #3a2f1e !important;
}

button#btnGrammarExtra,
button#btnWriteMenu,
button#btnWritePresent,
button#btnWritePerfect,
button#btnWriteB1Nebensatz{
  background: var(--primary-soft) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
}

@media (max-width: 520px){
  .grid{ grid-template-columns: 1fr; }
}

/* ===== Legal (Impressum / Datenschutz) ===== */
.legal-card{
  font-size: 14px;
}
.legal-links{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.legal-links a{
  color: var(--primary);
  text-decoration: none;
  font-weight: 800;
}
.legal-section{
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}
.legal-section p{
  margin-top: 6px;
  line-height: 1.5;
}
.legal-note{
  color: var(--muted);
  font-size: 12px;
}
.legal-placeholder{
  color: var(--muted);
  font-weight: 700;
}