/* DeutschMahir – Stylesheet v2
   Angepasst an Referenz-Screenshots: dunkler Header/Login,
   knalliges Limettengrün als Akzent, weiße abgerundete Cards,
   Fortschritts-Ring, Avatar-Badges, cleane Icon-Kacheln. */

@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@400;500;700&family=Amiri:wght@400;700&display=swap');

:root {
    --dark-950: #0E120C;
    --dark-900: #14180F;
    --dark-800: #1D2417;
    --lime: #C6F135;
    --lime-strong: #A9D619;
    --lime-soft: #E6FFA3;
    --error: #E5544B;
    --bg-light: #F4F6EF;
    --card: #FFFFFF;
    --ink: #14180F;
    --ink-soft: #6B7266;
    --border: #E7ECDD;
    --radius-lg: 26px;
    --radius-md: 18px;
    --shadow: 0 12px 28px rgba(20, 24, 15, 0.10);
    /* App-Hintergrund (durchgehend dunkel, wie Referenz-Screenshot) */
    --app-bg: #0A0A0B;
    --surface: #1C1C1E;
    --surface-2: #26262A;
    --surface-border: rgba(255,255,255,0.08);
    --text-on-dark: #FFFFFF;
    --text-on-dark-soft: rgba(255,255,255,0.55);
    font-size: 16px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Ubuntu', system-ui, sans-serif;
    background: var(--app-bg);
    color: var(--text-on-dark);
    min-height: 100vh;
}

[lang="ar"], .arabic {
    font-family: 'Amiri', serif;
    direction: rtl;
    unicode-bidi: isolate;
}

.app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--app-bg);
}

/* ---------- Top bar / Hero (dunkel, wie Referenz-Screenshot) ---------- */
.topbar {
    background: transparent;
    padding: 16px 20px 8px;
    color: #fff;
}
.hero-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 6px; }
.hero-top-right { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.brand-pill {
    display: flex; align-items: center; gap: 6px;
    background: var(--surface); border: 1px solid var(--surface-border);
    border-radius: 999px; padding: 6px 14px 6px 6px;
}
.brand-pill-badge {
    background: var(--lime); color: var(--ink-on-lime, #10230A);
    font-weight: 800; font-size: 0.9rem; border-radius: 50%;
    width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
}
.brand-pill-name { font-weight: 800; font-size: 0.92rem; color: var(--text-on-dark); }
.avatar-wrap { position: relative; width: 68px; height: 68px; }
.avatar-circle {
    width: 68px; height: 68px;
    border-radius: 50%;
    background: var(--lime);
    color: var(--dark-950);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1.6rem;
}
.avatar-plus {
    position: absolute;
    right: -2px; bottom: -2px;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--surface-2);
    color: var(--lime);
    border: 2px solid var(--app-bg);
    font-size: 0.85rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    padding: 0; cursor: default;
}
.btn-logout-clear {
    background: linear-gradient(135deg, #E5544B, #E8794A);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 6px 9px;
    font-family: inherit;
    font-size: 0.68rem;
    font-weight: 700;
    display: flex; align-items: center; gap: 4px;
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(229,84,75,0.35);
    white-space: nowrap;
}
.btn-logout-clear:hover { filter: brightness(1.08); }
.logout-icon { font-size: 1rem; transform: scaleX(-1); }

.hero-greeting { font-size: 1.3rem; font-weight: 700; margin: 0 0 8px; }

.hero-tabs { display: flex; gap: 18px; border-bottom: 1px solid var(--surface-border); padding-bottom: 2px; margin-bottom: 8px; }
.hero-tab {
    background: none; border: none; font-family: inherit; cursor: pointer;
    color: var(--gold, #F5B301); opacity: 0.55; font-size: 0.92rem; font-weight: 700;
    padding: 0 0 12px; display: flex; align-items: center; gap: 6px;
    border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.hero-tab.active { color: #fff; opacity: 1; border-bottom-color: var(--gold, #F5B301); }
.hero-tab-badge {
    background: var(--lime); color: var(--dark-950);
    font-size: 0.65rem; font-weight: 700;
    padding: 1px 7px; border-radius: 999px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand .badge {
    width: 42px; height: 42px;
    border-radius: 14px;
    background: var(--lime);
    color: var(--dark-950);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1.05rem;
}
.brand .title { font-weight: 700; font-size: 1.05rem; line-height: 1.15; }
.brand .subtitle { font-size: 0.72rem; opacity: 0.6; letter-spacing: 0.02em; }
.xp-pill {
    background: rgba(198,241,53,0.14);
    border: 1px solid rgba(198,241,53,0.4);
    color: var(--lime);
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: default;
}
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.btn-logout-icon {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    padding: 0;
}
.btn-logout-icon:hover { background: rgba(229,84,75,0.2); color: #ff8a82; border-color: rgba(229,84,75,0.4); }

/* ---------- Main content ---------- */
.screen { padding: 8px 20px 100px; flex: 1; margin-top: 0; }
.hidden { display: none !important; }

.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 28px rgba(0,0,0,0.35);
    padding: 16px;
    margin-bottom: 10px;
    border: 1px solid var(--surface-border);
    color: var(--text-on-dark);
}
.card .muted { color: var(--text-on-dark-soft); }

h1.page-title { color: var(--ink); font-size: 1.5rem; margin: 0 0 14px; padding: 0 20px; }

/* ---------- Login / Registrierung (dunkel, wie Referenz 1 & 3) ---------- */
.login-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    padding: 32px 28px;
    background: var(--dark-900);
}
.login-screen .badge-lg {
    width: 72px; height: 72px;
    border-radius: 22px;
    background: var(--lime);
    color: var(--dark-950);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1.7rem;
    margin: 0 auto 18px;
    box-shadow: 0 10px 30px rgba(198,241,53,0.25);
}
.login-screen h1 { color: #fff; text-align: center; font-size: 1.6rem; margin: 0 0 4px; }
.login-screen .claim { color: rgba(255,255,255,0.55); text-align: center; font-size: 0.9rem; margin-bottom: 32px; }

.field { margin-bottom: 14px; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }
.field label { display: block; font-size: 0.8rem; color: rgba(255,255,255,0.75); margin-bottom: 6px; }
.field input, .field select {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
}
.field input::placeholder { color: rgba(255,255,255,0.35); }
.field select option { color: #000; }
.field input:focus, .field select:focus { outline: none; border-color: var(--lime); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 15px 20px;
    border-radius: var(--radius-md);
    border: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.08s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--lime); color: var(--dark-950); }
.btn-primary:hover { background: var(--lime-soft); }
.btn-secondary { background: var(--dark-800); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.25); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.switch-link { text-align: center; color: rgba(255,255,255,0.55); font-size: 0.85rem; margin-top: 18px; }
.switch-link a { color: var(--lime); text-decoration: underline; cursor: pointer; font-weight: 600; }

.error-msg {
    background: rgba(229,84,75,0.14);
    color: #ff8a82;
    border: 1px solid rgba(229,84,75,0.35);
    padding: 10px 14px; border-radius: 12px; font-size: 0.85rem; margin-bottom: 14px;
}
.success-msg {
    background: rgba(198,241,53,0.12);
    color: var(--lime);
    border: 1px solid rgba(198,241,53,0.35);
    padding: 10px 14px; border-radius: 12px; font-size: 0.85rem; margin-bottom: 14px;
}

/* ---------- Featured Fortschritts-Kachel (wie "Business English 62%") ---------- */
.featured-card {
    background: var(--lime);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    margin-bottom: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 6px;
    box-shadow: 0 14px 30px rgba(198,241,53,0.25);
}
.featured-title { font-size: 0.95rem; font-weight: 700; color: var(--dark-950); }
.featured-subtitle { font-size: 0.72rem; color: rgba(14,18,12,0.65); margin-top: 2px; margin-bottom: 6px; }
.progress-ring.featured-ring { background: conic-gradient(var(--dark-950) calc(var(--pct) * 1%), rgba(14,18,12,0.15) 0); align-self: flex-end; }
.progress-ring.featured-ring .inner { background: var(--lime); }
.progress-ring.featured-ring .inner .num { color: var(--dark-950); }
.progress-ring.featured-ring .inner .label { color: rgba(14,18,12,0.6); }

/* ---------- Greeting card mit Fortschritts-Ring (wie Referenz 2) ---------- */
.greeting { display: flex; align-items: center; gap: 18px; }
.greeting-text h2 { margin: 0 0 4px; font-size: 1.2rem; }
.greeting-text p { margin: 0; color: var(--ink-soft); font-size: 0.85rem; }

.progress-ring {
    --pct: 72;
    width: 60px; height: 60px;
    border-radius: 50%;
    flex: none;
    background: conic-gradient(var(--lime) calc(var(--pct) * 1%), var(--border) 0);
    display: flex; align-items: center; justify-content: center;
    margin-inline-start: auto;
}
.progress-ring .inner {
    width: 47px; height: 47px;
    border-radius: 50%;
    background: var(--card);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.progress-ring .inner .num { font-weight: 700; font-size: 0.85rem; line-height: 1; }
.progress-ring .inner .label { font-size: 0.5rem; color: var(--ink-soft); margin-top: 1px; }

.stat-row { display: flex; gap: 10px; margin-top: 16px; }
.stat { flex: 1; background: var(--bg-light); border-radius: var(--radius-md); padding: 12px; text-align: center; }
.stat .num { font-weight: 700; font-size: 1.15rem; color: var(--ink); }
.stat .label { font-size: 0.68rem; color: var(--ink-soft); }

/* ---------- Stat-Paar-Karte (wie "Completed / Pupil Rating") ---------- */
.stat-pair-card { display: flex; align-items: center; padding: 12px 16px; }
.stat-pair-col { flex: 1; }
.stat-pair-label { font-size: 0.72rem; color: var(--text-on-dark-soft); margin-bottom: 4px; }
.stat-pair-num { font-size: 1.25rem; font-weight: 700; color: #fff; }
.stat-pair-divider { width: 1px; height: 32px; background: var(--surface-border); margin: 0 16px; }

/* ---------- Tutor-Karte (wie "Tutor Kathryn Murphy / English Grammar") ---------- */
.tutor-card { padding: 12px 16px; }
.tutor-line { font-size: 0.75rem; color: var(--text-on-dark-soft); margin-bottom: 2px; }
.tutor-title { font-size: 1.1rem; font-weight: 700; color: #fff; line-height: 1.2; margin-bottom: 8px; }
.tutor-stats { display: flex; gap: 18px; font-size: 0.78rem; color: var(--text-on-dark-soft); flex-wrap: wrap; }
.tutor-stats b { color: #fff; font-weight: 700; }

/* ---------- Untere Kartenreihe: Icon-Grid + Fortschritts-Kachel ---------- */
.bottom-card-row { display: flex; gap: 10px; margin-bottom: 10px; }
.bottom-card-row-single { display: block; }
.featured-card-full { width: 100%; }
.grid-card {
    flex: 1;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
    padding: 10px;
}
.grid-card-item {
    background: var(--surface-2);
    border-radius: 14px;
    aspect-ratio: 1;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; cursor: pointer;
}

/* ---------- Flashcards ---------- */
.flashcard-wrap { display: flex; flex-direction: column; align-items: center; }
.flashcard-progress { color: var(--ink-soft); font-size: 0.85rem; padding: 0 0 8px; }
.flashcard-progress b { font-size: 1.1rem; color: var(--text-on-dark); font-weight: 700; }
.round-tag {
    display: inline-block;
    background: var(--lime-soft); color: var(--dark-950);
    font-size: 0.68rem; font-weight: 700; padding: 2px 10px; border-radius: 999px;
    margin-inline-start: 6px; vertical-align: middle;
}
.flashcard {
    width: 100%;
    min-height: 250px;
    background: var(--card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 30px 24px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center;
    border: 1px solid var(--border);
}
.flashcard .artikel-tag {
    display: inline-block;
    background: var(--lime-soft);
    color: var(--dark-950);
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em;
    padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; text-transform: uppercase;
}
.flashcard .word-de { font-size: 1.65rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.flashcard .plural { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 16px; }
.flashcard .word-ar {
  min-height: 1.55rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  color: var(--ink);
  border-top: 1px dashed var(--border);
  padding-top: 14px;
  width: 100%;
}
.flashcard .translation-hint {
  width: 100%;
  border: 0;
  border-top: 0;
  padding-top: 0;
  background: transparent;
  color: var(--dark-600, var(--ink-soft));
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.flashcard .translation-hint:hover,
.flashcard .translation-hint:focus-visible {
  color: var(--dark-950, var(--ink));
}
.flashcard .example { font-size: 0.82rem; color: var(--ink-soft); margin-top: 12px; font-style: italic; }
.flashcard .example.arabic { font-style: normal; font-size: 0.95rem; margin-top: 2px; color: var(--ink-soft); }

.flashcard-actions { display: flex; gap: 10px; width: 100%; margin-top: 16px; }
.flashcard-actions .btn { flex: 1; }
.btn-icon-only {
    width: 52px; flex: none; height: 52px; padding: 0; border-radius: 50%;
    background: var(--dark-900); color: var(--lime); font-size: 1.2rem;
}
.btn-known { background: var(--lime); color: var(--dark-950); }
.btn-unknown { background: #fff; color: var(--ink); border: 1.5px solid var(--border); }

/* ---------- Quiz ---------- */
.quiz-question { font-size: 1.05rem; font-weight: 500; margin-bottom: 18px; color: var(--text-on-dark); }
.quiz-option {
    display: block; width: 100%; text-align: start;
    padding: 14px 16px; border-radius: var(--radius-md);
    border: 1.5px solid var(--border); background: #fff; margin-bottom: 10px;
    cursor: pointer; font-family: inherit; font-size: 0.95rem;
}
.quiz-option:hover { border-color: var(--lime); }
.quiz-option.selected { border-color: var(--lime); background: var(--lime-soft); }
.quiz-option.correct { border-color: var(--lime-strong); background: var(--lime-soft); }
.quiz-option.wrong { border-color: var(--error); background: #FBE7E5; }
.quiz-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }
.quiz-progress-bar { height: 6px; background: var(--border); border-radius: 4px; overflow: hidden; margin-bottom: 16px; }
.quiz-progress-bar > div { height: 100%; background: var(--lime); transition: width 0.25s ease; }
.quiz-result { text-align: center; padding: 10px 0; }
.quiz-result .score { font-size: 2.6rem; font-weight: 700; color: var(--text-on-dark); }

/* ---------- Bottom nav (wie Referenz 3) ---------- */
.bottom-nav {
    position: fixed; bottom: 14px; left: 50%; transform: translateX(-50%);
    width: calc(100% - 40px); max-width: 440px;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 999px;
    display: flex;
    padding: 8px;
    box-shadow: 0 14px 30px rgba(0,0,0,0.45);
}
.nav-item {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 9px 2px; border-radius: 999px;
    background: none; border: none; cursor: pointer;
    color: rgba(255,255,255,0.45);
    font-family: inherit; font-size: 0.62rem;
    line-height: 1.15;
    text-align: center;
}
.nav-item .icon { font-size: 1.15rem; }
.nav-item.active { color: var(--dark-950); font-weight: 700; background: var(--lime); }

/* ---------- Prof. ADIL bubble ---------- */
.adil-msg {
    background: var(--dark-900); color: #fff;
    padding: 16px; border-radius: var(--radius-md);
    border-top-left-radius: 4px; font-size: 0.9rem;
    display: flex; gap: 12px; align-items: flex-start;
}
.adil-msg .avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--lime); color: var(--dark-950);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; flex: none;
}

/* Utility */
.muted { color: var(--ink-soft); font-size: 0.85rem; }
.center { text-align: center; }
.mt-16 { margin-top: 16px; }
.section-title { color: var(--text-on-dark); font-weight: 700; margin: 10px 0 8px; font-size: 0.95rem; }

/* Übungen (Deutsch-Training) */
.worksheet-card { cursor: pointer; transition: transform 0.08s ease; }
.worksheet-card:active { transform: scale(0.98); }
.worksheet-card-title { font-weight: 700; margin-bottom: 4px; }
.btn-ghost-dark {
    background: none; border: none; color: var(--ink-soft); font-family: inherit;
    font-size: 0.85rem; padding: 6px 0; margin-bottom: 10px; cursor: pointer; width: auto;
}
.worksheet-teil-title { margin: 0 0 10px; font-size: 0.95rem; color: var(--text-on-dark); }
.worksheet-regel {
    background: var(--bg-light); border-radius: var(--radius-md); padding: 12px 14px;
    font-size: 0.82rem; color: var(--ink-soft); margin-bottom: 14px;
}
.worksheet-question { margin-bottom: 16px; }
.worksheet-question p { font-size: 0.92rem; margin: 0 0 8px; }
.worksheet-input {
    width: 100%; padding: 12px 14px; border-radius: var(--radius-md);
    border: 1.5px solid var(--border); font-family: inherit; font-size: 0.95rem;
}
.worksheet-question.correct .worksheet-input { border-color: var(--lime-strong); }
.worksheet-question.wrong .worksheet-input { border-color: var(--error); }
.worksheet-feedback { font-size: 0.8rem; font-weight: 700; margin-top: 6px; min-height: 1em; }
.worksheet-feedback.correct { color: var(--lime-strong); }
.worksheet-feedback.wrong { color: var(--error); }
.worksheet-score .score { font-size: 2.2rem; font-weight: 700; color: var(--text-on-dark); }

/* ---------- Themen-Auswahl (Wortschatz nach Kategorie) ---------- */
.category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.category-chip {
    background: var(--bg-light); border: 1.5px solid var(--border); border-radius: var(--radius-md);
    padding: 10px 12px; text-align: start; cursor: pointer; font-family: inherit;
    display: flex; flex-direction: column; gap: 2px; transition: border-color 0.15s ease;
}
.category-chip:hover { border-color: var(--lime); }
.category-chip-all { background: var(--lime-soft); border-color: var(--lime-strong); grid-column: 1 / -1; }
.category-chip-name { font-weight: 700; font-size: 0.85rem; color: var(--ink); }
.category-chip-count { font-size: 0.68rem; color: var(--ink-soft); }
.t-action-link-inline {
    color: var(--lime); cursor: pointer; font-weight: 700; font-size: 0.82rem;
    text-decoration: underline; margin-inline-end: 8px;
}

/* ---------- Grammatik-Akkordeon ---------- */
.gram-block {
    background: var(--surface); border: 1px solid var(--surface-border);
    border-radius: var(--radius-md); margin-bottom: 10px; overflow: hidden;
}
.gram-block.gram-done { border-color: rgba(198,241,53,0.4); }
.gram-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 16px; cursor: pointer; font-weight: 700; color: var(--text-on-dark);
}
.gram-chevron { color: var(--ink-soft); }
.gram-body { padding: 0 16px 16px; }
.gram-regel { color: var(--text-on-dark-soft); font-size: 0.88rem; margin-bottom: 12px; line-height: 1.5; }
.gram-beispiel {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-light); color: var(--ink); border-radius: 10px;
    padding: 10px 12px; margin-bottom: 8px; font-size: 0.88rem;
}
.gram-table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 0.85rem; }
.gram-table td { padding: 6px 10px; border-bottom: 1px solid var(--surface-border); color: var(--text-on-dark); }
.gram-table td:first-child { color: var(--ink-soft); width: 90px; }

/* ---------- Dezenter Kalender-Link ---------- */
.calendar-link-wrap { display: flex; justify-content: flex-start; margin-bottom: 8px; }
.calendar-link-btn {
    color: var(--dark-950); text-decoration: none; font-size: 0.68rem; font-weight: 800;
    background: var(--gold, #F5B301);
    padding: 5px 11px; border-radius: 999px;
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(245,179,1,0.35);
}
.calendar-link-btn:hover { filter: brightness(1.08); }

/* ---------- Grammatik: Arabisch + Übungssätze ---------- */
.gram-title-ar { display: block; font-size: 0.78rem; font-weight: 400; color: var(--ink-soft); margin-top: 2px; }
.gram-uebungen-title { color: var(--lime); font-weight: 700; font-size: 0.82rem; margin: 14px 0 8px; }
.gram-uebung { background: var(--bg-light); border-radius: 10px; padding: 12px; margin-bottom: 10px; }
.gram-uebung p { color: var(--ink); font-size: 0.86rem; margin: 0 0 8px; }
.gram-uebung-row { display: flex; gap: 8px; }
.gram-uebung-row input {
    flex: 1; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border);
    font-family: inherit; font-size: 0.85rem;
}
.gram-uebung-fb { font-size: 0.8rem; font-weight: 700; margin: 6px 0 0; min-height: 1em; }
.gram-uebung-fb.correct { color: #2E7D32; }
.gram-uebung-fb.wrong { color: #C0392B; }
.gram-hint { font-size: 0.76rem; color: var(--ink-soft); margin-top: 6px; }

/* ---------- Niveau-Chips (A1-C1), Stil wie das Quiz-Badge ---------- */
.level-chip-row { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.level-chip {
    background: var(--surface); color: var(--text-on-dark-soft);
    font-size: 0.72rem; font-weight: 800;
    padding: 5px 11px; border-radius: 999px;
    text-decoration: none; border: 1px solid var(--surface-border);
}
.level-chip-active {
    background: var(--lime); color: var(--dark-950); border-color: var(--lime);
}
.level-chip-unlocked {
    background: rgba(198,241,53,0.18); color: var(--lime); border-color: rgba(198,241,53,0.4);
}
.level-chip-locked { opacity: 0.55; cursor: default; }

/* ---------- Kompaktere Stat-/Lektion-Karten ---------- */
.stat-pair-card-narrow { padding: 6px 14px; }
.stat-pair-card-narrow .stat-pair-num { font-size: 1.05rem; }
.stat-pair-card-narrow .stat-pair-divider { height: 22px; margin: 0 12px; }

.tutor-card-compact { padding: 8px 12px; flex: 1.4; }
.tutor-title-compact { font-size: 0.88rem; margin-bottom: 2px; line-height: 1.1; }
.tutor-stats-compact { font-size: 0.65rem; gap: 8px; }
.tutor-stats-big { display: block; font-size: 1.05rem; font-weight: 800; color: #fff; line-height: 1.35; }
.tutor-stats-big div { line-height: 1.15; margin-bottom: 2px; }
.tutor-stats-big div:last-child { margin-bottom: 0; }
.tutor-stats-big b { color: var(--lime); }
.featured-card-narrow { flex: 1; padding: 8px 12px; }
.featured-card-narrow .progress-ring { width: 34px; height: 34px; }
.featured-card-narrow .progress-ring .inner { width: 26px; height: 26px; }
.featured-card-narrow .progress-ring .inner .num { font-size: 0.56rem; }
.featured-card-narrow .progress-ring .inner .label { display: none; }
.featured-card-narrow .featured-title { font-size: 0.8rem; }
.featured-card-narrow .featured-subtitle { font-size: 0.6rem; margin-bottom: 0; }

/* ---------- Lektionen-Dropdown (ersetzt Kalender-Platz neben den Niveau-Chips) ---------- */
.lektion-select-wrap { margin-inline-start: auto; }
.lektion-select {
    appearance: none; -webkit-appearance: none; -moz-appearance: none;
    background: var(--gold, #F5B301) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%2310230A' d='M6 8 0 0h12z'/%3E%3C/svg%3E") no-repeat right 10px center;
    background-size: 10px 7px;
    color: var(--dark-950); font-family: inherit; font-weight: 800; font-size: 0.72rem;
    border: none; border-radius: 999px; padding: 6px 28px 6px 14px;
    cursor: pointer; box-shadow: 0 4px 14px rgba(245,179,1,0.35);
    max-width: 160px; text-overflow: ellipsis;
}
.lektion-select:focus { outline: 2px solid var(--dark-950); outline-offset: 1px; }

/* ---------- Top-4-Ranking-Kasten (blendet abwechselnd mit dem Logo ein) ---------- */
.brand-swap-wrap { position: relative; min-width: 150px; }
.ranking-box {
    position: absolute; top: 0; left: 0;
    display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
    background: linear-gradient(135deg, #7C3AED, #DB2777, #F59E0B, #10B981);
    background-size: 300% 300%;
    animation: rankingGradient 6s ease infinite;
    border-radius: 16px; padding: 6px;
    opacity: 0; transition: opacity 0.5s ease;
}
.ranking-box.visible { opacity: 1; }
@keyframes rankingGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.rank-avatar-wrap { position: relative; width: 30px; height: 30px; }
.rank-avatar {
    width: 30px; height: 30px; border-radius: 50%; border: 2px solid #fff;
    background-color: var(--lime); background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.7rem; color: var(--dark-950);
}
.rank-dot {
    position: absolute; right: -1px; bottom: -1px; width: 9px; height: 9px;
    border-radius: 50%; border: 1.5px solid #fff;
}
.rank-dot.online { background: #22C55E; }
.rank-dot.offline { background: #EF4444; }
.rank-item { display: flex; align-items: center; gap: 5px; }
.rank-name { color: #fff; font-size: 0.62rem; font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,0.4); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 58px; }

/* ---------- Chat-Link (neben Kalender) ---------- */
.chat-link-btn { background: #3B82C4; color: #fff; box-shadow: 0 4px 14px rgba(59,130,196,0.35); }

/* ---------- Profil-Zahnrad neben der Begrüßung ---------- */
.profile-gear-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--gold, #F5B301); color: var(--dark-950);
    vertical-align: middle; margin-inline-start: 6px;
    box-shadow: 0 4px 10px rgba(245,179,1,0.35);
    transition: transform 0.2s ease;
}
.profile-gear-btn:hover { transform: rotate(45deg); }

/* ---------- Persönliche Tipps vom Lehrer (weißer Kasten) ---------- */
.personal-tip-card { background: #FFFFFF; border: none; }
.personal-tip-card p { line-height: 1.5; white-space: pre-wrap; }

/* ---------- Ungelesen-Punkt am Chat-Button ---------- */
.chat-unread-dot {
    position: absolute; top: -3px; right: -3px;
    width: 11px; height: 11px; border-radius: 50%;
    background: #EF4444; border: 2px solid var(--app-bg);
}

/* ---------- Top-4-Fotos im grünen Kasten ---------- */
.featured-card-ranking { justify-content: center; align-items: center; }
.ranking-photos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; width: 100%; }
.ranking-photos-grid .ranking-loading { grid-column: span 2; text-align: center; color: rgba(14,18,12,0.6); font-size: 0.75rem; margin: 0; }
.rp-item { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.rp-photo {
    width: 32px; height: 32px; border-radius: 50%; border: 2px solid rgba(14,18,12,0.5);
    background-color: var(--dark-950); background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.72rem; color: var(--lime);
}
.rp-score { font-size: 0.62rem; font-weight: 800; color: var(--dark-950); }

/* ---------- Multiple-Choice-Buttons in Übungsblättern/Tests ---------- */
.worksheet-choices { display: flex; flex-direction: column; gap: 8px; margin: 10px 0; }
.worksheet-choice-btn {
    text-align: start; padding: 10px 14px; border-radius: 10px;
    border: 1.5px solid var(--border); background: var(--bg-light); color: var(--ink);
    font-family: inherit; font-size: 0.88rem; cursor: pointer; transition: all 0.15s ease;
}
.worksheet-choice-btn:hover { border-color: var(--lime); }
.worksheet-choice-btn.selected { border-color: var(--lime); background: var(--lime-soft); font-weight: 700; }

/* ---------- Immer sichtbarer Hilfe-Button ---------- */
.help-fab {
    position: fixed; left: 16px; bottom: 90px; z-index: 50;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--gold, #F5B301); color: var(--dark-950);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; font-weight: 800; text-decoration: none;
    box-shadow: 0 6px 18px rgba(245,179,1,0.45);
}

/* ---------- App-Installations-Banner ---------- */
.install-banner {
    position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 200;
    max-width: 420px; margin: 0 auto;
    background: var(--gold, #F5B301); color: var(--dark-950);
    border-radius: 16px; padding: 12px 12px 12px 16px;
    display: flex; align-items: center; gap: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.install-banner-icon { font-size: 1.5rem; }
.install-banner-text { flex: 1; display: flex; flex-direction: column; line-height: 1.3; }
.install-banner-text b { font-size: 0.9rem; }
.install-banner-text span { font-size: 0.72rem; opacity: 0.85; }
.install-banner-btn {
    background: var(--dark-950); color: #fff; border: none; border-radius: 999px;
    padding: 8px 16px; font-family: inherit; font-weight: 700; font-size: 0.82rem; cursor: pointer;
}
.install-banner-close {
    background: none; border: none; color: var(--dark-950); opacity: 0.6;
    font-size: 1rem; cursor: pointer; padding: 4px;
}

/* ---------- iOS-Installationsanleitung ---------- */
.ios-install-overlay {
    position: fixed; inset: 0; z-index: 300; background: rgba(0,0,0,0.6);
    display: flex; align-items: flex-end; justify-content: center;
}
.ios-install-card {
    background: var(--surface); border-radius: 20px 20px 0 0; padding: 24px 20px;
    width: 100%; max-width: 420px; position: relative; color: var(--text-on-dark);
}
.ios-install-card h3 { margin: 0 0 14px; font-size: 1.05rem; }
.ios-install-card ol { padding-inline-start: 20px; margin: 0 0 12px; line-height: 1.9; font-size: 0.9rem; }
.ios-share-icon { display: inline-block; }
.ios-install-x {
    position: absolute; top: 14px; right: 16px; background: none; border: none;
    color: var(--text-on-dark-soft); font-size: 1.1rem; cursor: pointer;
}


/* Lesen-Aufgabe mit Audioaufnahme */
.reading-task{margin-top:10px;padding:14px;border-radius:14px;background:#f7f8fa;border:1px solid #e2e5e9}
.reading-passage{font-size:1.04rem;line-height:1.75;font-weight:600;color:#1d252c;background:#fff;border-radius:11px;padding:14px;border:1px solid #e5e7eb}
.reading-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.reading-btn{width:auto!important}
.reading-preview{display:block;width:100%;margin-top:12px}.reading-status{margin-top:8px}.hidden{display:none!important}


/* Registrierung DE/AR + gesperrte Niveaus */
#register-screen .field label{display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
#register-screen .field-ar,#register-screen .ar-inline{font-weight:700;direction:rtl;text-align:right}
#register-screen .field-help{display:flex;justify-content:space-between;gap:10px;margin-top:6px;color:var(--muted,#8b8e86);font-size:12px;line-height:1.45}
#register-screen .register-unlock-note{margin:8px 0 16px;padding:12px 14px;border:1px solid rgba(198,239,55,.35);background:rgba(198,239,55,.08);border-radius:14px;font-size:12.5px;line-height:1.55}
#register-screen .register-unlock-note>span{float:right}
#register-level option:disabled{color:#8b8e86}
.level-chip.level-chip-locked{cursor:pointer;border:1px solid transparent;font:inherit;padding:0;background:transparent}
@media(max-width:560px){#register-screen .field label,#register-screen .field-help{display:block}.field-ar,#register-screen .field-help [dir="rtl"]{display:block;margin-top:3px}.ar-inline{display:block;margin-top:4px}}


/* ===== Registration Layout Fix + Private Chat Click Targets ===== */
#register-screen .field-name label {
    justify-content: flex-start;
    gap: 8px;
}
#register-screen .register-unlock-note {
    min-height: 116px;
    padding: 14px 16px 16px;
    margin: 10px 0 18px;
    line-height: 1.55;
    overflow: visible;
    display: grid;
    gap: 8px;
    box-sizing: border-box;
}
#register-screen .register-unlock-note > span {
    float: none;
}
#register-screen .register-unlock-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
#register-screen .register-unlock-ar {
    text-align: right;
    line-height: 1.65;
    padding-bottom: 2px;
}
#register-screen .register-login-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    line-height: 1.5;
}
#register-screen .register-login-link > span,
#register-screen .register-login-link > a {
    display: block;
}
.chat-clickable-person,
.chat-person-button {
    cursor: pointer !important;
}
.chat-person-button {
    appearance: none;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    padding: 0;
    margin: 0;
}
.rp-item.chat-person-button,
.rank-item.chat-person-button {
    text-align: inherit;
}
.rp-item.chat-person-button:active .rp-photo,
.rank-item.chat-person-button:active .rank-avatar,
.chat-clickable-person:active {
    transform: scale(.94);
}
.rp-photo,
.rank-avatar,
#avatar-circle,
#adil-avatar,
.js-tutor-name {
    transition: transform .14s ease, box-shadow .14s ease;
}

@media (max-width:560px) {
    #register-screen .register-unlock-note {
        min-height: 138px;
        gap: 7px;
    }
    #register-screen .register-unlock-title {
        align-items: flex-start;
    }
    #register-screen .field-name label {
        display: flex;
        flex-direction: row;
        align-items: baseline;
        gap: 7px;
    }
    #register-screen .field-name .field-ar {
        display: inline;
        margin-top: 0;
    }
}


/* ===== 2026-08-18: Mobile Audio + Ranking + Statistik Fix ===== */
.rp-photo-wrap { position: relative; display: inline-flex; }
.rp-photo-wrap .rank-dot { position:absolute; right:-2px; bottom:-1px; border:2px solid rgba(255,255,255,.9); }
.stat-pair-label [dir="ltr"], #stat-progress-inline { unicode-bidi: isolate; direction:ltr; }
.flashcard-actions .btn-icon-only { position:relative; z-index:80; pointer-events:auto; touch-action:manipulation; min-width:64px; }
.flashcard-actions .btn-icon-only.is-speaking { flex:1.25; white-space:nowrap; font-size:.78rem; }
.help-fab { left:auto; right:16px; bottom:94px; z-index:40; }


/* ===== Android Audio Hotfix ===== */
.help-fab {
    left: auto !important;
    right: 14px !important;
    bottom: 96px !important;
    width: 44px !important;
    height: 44px !important;
    pointer-events: auto !important;
}
.dm-audio-btn {
    position: relative !important;
    z-index: 120 !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
    -webkit-tap-highlight-color: rgba(198,239,55,.22);
}
.flashcard-actions { position: relative; z-index: 100; }
.dm-audio-btn.is-speaking {
    width: auto !important;
    min-width: 145px !important;
    padding: 0 12px !important;
    border-radius: 26px !important;
    font-size: .72rem !important;
    white-space: nowrap !important;
}


/* ===== Lehrer -> Schüleransicht Preview ===== */
.teacher-preview-active {
    padding-top: 58px;
}
.dm-teacher-preview-bar {
    position: fixed;
    inset: 0 0 auto 0;
    min-height: 50px;
    z-index: 9999;
    background: #1b2117;
    color: #fff;
    border-bottom: 2px solid var(--lime, #c6ef37);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 8px 16px;
    box-sizing: border-box;
    box-shadow: 0 4px 16px rgba(0,0,0,.26);
}
.dm-preview-text {
    display: flex;
    align-items: baseline;
    gap: 10px;
    min-width: 0;
}
.dm-preview-text strong {
    color: var(--lime, #c6ef37);
    white-space: nowrap;
}
.dm-preview-text span {
    font-size: .75rem;
    opacity: .86;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
#dm-preview-back-teacher {
    flex: 0 0 auto;
    border: 1px solid var(--lime, #c6ef37);
    background: var(--lime, #c6ef37);
    color: #111;
    border-radius: 999px;
    padding: 8px 13px;
    font-weight: 800;
    cursor: pointer;
}
@media (max-width: 620px) {
    .teacher-preview-active { padding-top: 86px; }
    .dm-teacher-preview-bar { align-items: flex-start; min-height: 78px; }
    .dm-preview-text { flex-direction: column; gap: 2px; }
    .dm-preview-text span { white-space: normal; line-height: 1.25; max-width: 64vw; }
    #dm-preview-back-teacher { margin-top: 5px; }
}

/* Audio aktiv: nur Lautsprecher, farblich klar vom inaktiven Zustand getrennt */
.dm-audio-btn.is-speaking,.btn-icon-only.is-speaking{
 color:#111!important;background:#f4c430!important;border-color:#f4c430!important;
 width:42px!important;min-width:42px!important;height:42px!important;padding:0!important;
 border-radius:50%!important;font-size:1.15rem!important;line-height:1!important;
 box-shadow:0 0 0 3px rgba(244,196,48,.18)!important;
}