* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
}

.settings {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.settings div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

label {
    font-weight: 500;
    margin-bottom: 5px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

#startBtn {
    margin-top: 10px;
}

select, input[type="file"] {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

#wordArea {
    text-align: center;
    padding: 20px;
}

#progress {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

#prompt {
    font-size: 24px;
    margin: 20px 0;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#input-area {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#userAnswer {
    flex-grow: 1;
    padding: 10px;
    font-size: 18px;
    border: 2px solid #ddd;
    border-radius: 4px;
}

#feedback {
    margin: 15px 0;
    padding: 15px;
    border-radius: 4px;
}

.success {
    background-color: #d4edda;
    color: #155724;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
}

.warning {
    background-color: #fff3cd;
    color: #856404;
}

.hidden {
    display: none;
}

#resultsArea {
    text-align: center;
}

#resultsSummary {
    margin: 20px 0;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
    text-align: left;
}

#downloadBtn, #restartBtn {
    margin: 10px;
}

#nextBtnContainer {
    margin-top: 20px;
}
/* 单词连连看样式 */
#matchingGameArea {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.matching-game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.matching-progress {
    font-size: 16px;
    color: #666;
}

.matching-game-container {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 30px;
}

.term-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.term {
    padding: 15px;
    border-radius: 8px;
    background-color: #f5f5f5;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.chinese-term {
    background-color: #e3f2fd;
    border-left: 4px solid #2196F3;
}

.english-term {
    background-color: #e8f5e9;
    border-left: 4px solid #4CAF50;
}

.term.selected {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border: 2px solid #ff9800;
}

.term.matched {
    opacity: 0.6;
    cursor: default;
}

.term.error {
    background-color: #ffebee;
    border-color: #f44336;
    animation: shake 0.5s;
}

.term.match-success {
    animation: pulse 0.5s;
    background-color: #dcedc8;
}

.matching-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.matching-result {
    text-align: center;
    padding: 30px;
}

@keyframes shake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-10px); }
    80% { transform: translateX(10px); }
    100% { transform: translateX(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}