:root {
    --primary-color: #007bff;
    --secondary-color: #0056b3;
    --background-color: #f0f2f5;
    --text-color: #333;
    --border-color: #ddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Sans', sans-serif;
    background-color: var(--background-color);
    margin: 0;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
}

.main-container {
    background-color: #fff;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 8px var(--shadow-color);
    width: 100%;
    max-width: 800px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-sizing: border-box;
    overflow: hidden;
}

.area2 {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.area3 {
    width: 100%;
    max-width: 60%;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 10px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

textarea {
    width: 100%;
    height: 200px;
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #ccc;
    resize: none;
    font-family: inherit;
    font-size: 14px;
    margin-bottom: 10px;
    box-sizing: border-box;
    transition: box-shadow 0.3s;
}

textarea:focus {
    box-shadow: 0 0 5px var(--primary-color);
}

button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
    align-self: center;
    width: 48%;
    margin-top: 10px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

button:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.area1 {
    width: 100%;
    max-width: 35%;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 10px;
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.control-group {
    margin-bottom: 10px;
    text-align: left;
    width: 48%;
}

label {
    display: block;
    margin-bottom: 5px;
    font-size: 12px;
    color: #555;
}

input[type="number"],
select,
input[type="color"],
input[type="text"] {
    width: 100%;
    padding: 6px;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-family: inherit;
    font-size: 12px;
    box-sizing: border-box;
    transition: box-shadow 0.3s;
}

input:focus {
    box-shadow: 0 0 5px var(--primary-color);
}

.area5 {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 10px;
    box-sizing: border-box;
    flex-wrap: wrap;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.preview-area {
    width: 100%;
    max-width: 60%;
    height: 250px;
    overflow: auto;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.area6 {
    width: 100%;
    max-width: 35%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.button-group {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.link-group {
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.link-group input {
    cursor: pointer;
}

footer {
    margin-top: 15px;
    text-align: center;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .area2, .area5 {
        flex-direction: column;
        align-items: center;
    }

    .area3, .area1, .preview-area, .area6 {
        max-width: 100%;
    }

    button {
        width: 100%;
    }

    .control-group {
        width: 100%;
    }
    
    .button-group button {
        margin-bottom: 10px;
    }
}

.loading {
    cursor: wait;
    opacity: 0.7;
}

// 添加错误提示样式
.error-message {
    color: #ff4444;
    font-size: 12px;
    margin-top: 5px;
}

// 添加加载状态指示器样式
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    display: none;
}