/* Genel Kapsayıcı */
.plt-container {
    text-align: center;
    max-width: 700px;
    margin: 30px auto;
    padding: 30px;
    border: 1px solid #dcdcdc;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    background-color: #fcfcfc;
    font-family: 'Open Sans', Arial, sans-serif;
    color: #333;
}

/* Başlık */
.plt-exercise-title {
    font-size: 2.5em;
    color: #007bff;
    margin-bottom: 30px;
    font-weight: 800;
}

/* Soru Görseli */
.plt-question-image {
    max-width: 95%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
    border: 1px solid #eee;
}

/* Soru Metni ve Yükleme Mesajları */
.plt-question-text {
    font-size: 2.2em;
    color: #2c3e50;
    margin-bottom: 35px;
    font-weight: 700;
    line-height: 1.4;
}

.plt-loading-message, .plt-error-message, .plt-goodbye-message {
    font-size: 1.5em;
    color: #555;
    padding: 20px;
    background-color: #f0f0f0;
    border-radius: 8px;
    margin: 20px 0;
}

.plt-error-message {
    color: #dc3545 !important;
    background-color: #fdeaea !important;
    border: 1px solid #dc3545;
}

/* Geri Bildirim Alanı */
#plt-feedback p {
    font-size: 1.3em;
    margin-top: 25px;
    padding: 15px;
    border-radius: 8px;
    font-weight: bold;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

/* Geri Bildirim Renkleri */
#plt-feedback p[style*="color:green"], .correct-feedback {
    background-color: #eafdea;
    border: 1px solid #4CAF50;
    color: #28a745 !important;
}

#plt-feedback p[style*="color:red"], .incorrect-feedback, .error-feedback {
    background-color: #fdeaea;
    border: 1px solid #f44336;
    color: #dc3545 !important;
}

#plt-feedback p[style*="color:orange"], .timeout-feedback, .skipped-feedback, .listening-feedback {
    background-color: #fff8e1;
    border: 1px solid #ff9800;
    color: #ff8c00 !important;
}

/* Kontrol Butonları */
.plt-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.plt-controls button {
    padding: 15px 30px;
    font-size: 1.15em;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Buton Renkleri */
.plt-controls button.blue-btn { /* Responder */
    background-color: #007bff;
    color: white;
}
.plt-controls button.blue-btn:hover:not(:disabled) {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.plt-controls button.gray-btn { /* Repetir */
    background-color: #6c757d;
    color: white;
}
.plt-controls button.gray-btn:hover:not(:disabled) {
    background-color: #545b62;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.plt-controls button.green-btn { /* Próxima Pergunta, Tentar Novamente (Son Ekran) */
    background-color: #28a745;
    color: white;
}
.plt-controls button.green-btn:hover:not(:disabled) {
    background-color: #218838;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.plt-controls button.turquoise-btn { /* Pergunta Anterior */
    background-color: #17a2b8;
    color: white;
}
.plt-controls button.turquoise-btn:hover:not(:disabled) {
    background-color: #138496;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.plt-controls button.yellow-btn { /* Pular Pergunta */
    background-color: #ffc107;
    color: #333;
}
.plt-controls button.yellow-btn:hover:not(:disabled) {
    background-color: #e0a800;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.plt-controls button.red-btn { /* Fechar Lição */
    background-color: #dc3545;
    color: white;
}
.plt-controls button.red-btn:hover:not(:disabled) {
    background-color: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.plt-controls button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    opacity: 0.8;
    box-shadow: none;
}

/* Ders Tamamlama Ekranı */
.plt-complete-message-title {
    color: #28a745;
    font-size: 2.5em;
    margin-top: 50px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
    font-weight: 800;
}

.plt-complete-message-body {
    font-size: 1.5em;
    color: #555;
    margin-bottom: 40px;
}