:root {
    --primary: #c0392b; /* Modernes Rot für Latein */
    --primary-hover: #a93226;
    --bg: #f4f6f8;      /* Kühles Hellgrau (Modern) */
    --card-bg: #ffffff;
    --text: #333333;
    --border: #dfe6e9;
    --correct: #d4edda;
    --correct-border: #28a745;
    --wrong: #f8d7da;
    --wrong-border: #dc3545;
    --typo: #fff3cd;
    --typo-border: #ffc107;
    --incomplete: #fff3cd;
    --incomplete-border: #ffc107;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 500px; /* Handy-optimierte Breite */
    width: 100%;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

h1 {
    text-align: center;
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 700;
}

/* --- CARD STYLE (Wie Englisch App) --- */
.card, #setup-screen {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
    color: #666;
}

/* --- LEKTIONEN WAHL (Chips statt Checkboxen) --- */
.lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 8px;
    margin-bottom: 25px;
    max-height: 300px;
    overflow-y: auto; /* Scrollen wenn zu viele */
}

.lesson-item input { display: none; }
.lesson-item label {
    display: block;
    padding: 10px 5px;
    background: #f1f2f6;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: #555;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.lesson-item input:checked + label {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 5px rgba(192, 57, 43, 0.3);
}

/* --- OPTIONS --- */
.options {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 10px;
    background: #f9f9f9;
    border-radius: 8px;
}
.options input { transform: scale(1.2); }
.options label { cursor: pointer; font-size: 0.95rem; }

/* --- QUIZ AREA --- */
.label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #888;
    margin-bottom: 5px;
}

.question {
    font-size: 2rem;
    font-weight: 800;
    color: #2d3436;
    margin: 5px 0 10px 0;
}

.hint {
    font-style: italic;
    color: #636e72;
    margin-bottom: 25px;
    font-size: 0.95rem;
    min-height: 20px;
}

/* --- INPUTS --- */
.input-row {
    margin-bottom: 15px;
    text-align: left;
}

.lbl {
    display: block;
    font-size: 0.85rem;
    font-weight: bold;
    color: #666;
    margin-bottom: 5px;
}

.quiz-input {
    width: 100%;
    padding: 14px;
    font-size: 1.1rem; /* Groß genug für Handy (kein Zoom) */
    border: 2px solid var(--border);
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s;
    background: #fff;
    -webkit-appearance: none;
}

.quiz-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

/* Feedback Farben */
.correct { background-color: var(--correct); border-color: var(--correct-border) !important; color: #155724; }
.wrong { background-color: var(--wrong); border-color: var(--wrong-border) !important; color: #721c24; }
.typo { background-color: var(--typo); border-color: var(--typo-border) !important; color: #856404; }
.incomplete { background-color: var(--incomplete); border-color: var(--incomplete-border) !important; }

/* --- BUTTONS --- */
.action-btn {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: background 0.2s, transform 0.1s;
    margin-top: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.action-btn:hover { background: var(--primary-hover); }
.action-btn:active { transform: scale(0.98); }
.action-btn:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }
.danger { background: #636e72; margin-top: 15px; }

/* --- FEEDBACK TEXT --- */
.feedback {
    margin-top: 15px;
    font-weight: bold;
    font-size: 1.1rem;
    min-height: 25px;
}

/* --- PROGRESS BAR --- */
.progress-container {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: white;
    padding: 10px 20px;
    border-top: 1px solid #eee;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#stats-text {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 5px;
    font-weight: 600;
}

.progress-bar-bg {
    height: 8px;
    background: #e9ecef;
    width: 100%;
    max-width: 500px;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.4s ease;
    border-radius: 4px;
}