/* CSS for Russian Conjugation Drill */

.rcd-app {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f4;
    padding: 20px;
    border-radius: 8px;
    max-width: 600px;
    margin: 0 auto;
}

#rcd-setup, #rcd-quiz, #rcd-results {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.rcd-input-group {
    margin-bottom: 15px;
}

.rcd-input-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

.rcd-input-group input[type="text"],
.rcd-input-group input[type="number"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.rcd-checkbox-group label {
    display: inline-block;
    margin-right: 15px;
    font-weight: normal;
}

button#rcd-start-btn, button#rcd-next-btn, button#rcd-restart-btn {
    background-color: #0073aa;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #005177;
}

.rcd-error {
    color: red;
    margin-top: 10px;
}

.rcd-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 20px;
}

.rcd-option {
    background: #f0f0f0;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    transition: background 0.2s;
}

.rcd-option:hover {
    background: #e0e0e0;
}

.rcd-option.correct {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.rcd-option.incorrect {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.rcd-feedback {
    margin-top: 15px;
    font-weight: bold;
    text-align: center;
}