* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f5f5;
    padding: 10px;
}

.container {
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    box-sizing: border-box;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

h2 {
    margin-bottom: 15px;
    color: #444;
    font-size: 18px;
}

.upload-section {
    margin-bottom: 20px;
}

.upload-column {
    max-width: 400px;
}

/* 文案配置区域 */
.content-sections {
    margin-bottom: 20px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.add-btn {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

.add-btn:hover {
    background-color: #218838;
}

.content-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.content-item {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    background-color: #f8f9fa;
    position: relative;
}

.content-item.active {
    border-color: #007bff;
    background-color: #f0f8ff;
}

.content-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.content-item-title {
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.content-item-controls {
    display: flex;
    gap: 10px;
}

.toggle-btn {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 4px 8px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
}

.toggle-btn:hover {
    background-color: #5a6268;
}

.delete-btn {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 4px 8px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
}

.delete-btn:hover {
    background-color: #c82333;
}

.content-item-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.json-column {
    display: flex;
    flex-direction: column;
}

.settings-column {
    display: flex;
    flex-direction: column;
}

input[type="file"] {
    margin-bottom: 15px;
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.image-preview {
    width: 100%;
    min-height: 200px;
    border: 1px dashed #ddd;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
}

.image-preview img {
    max-width: 100%;
    max-height: 300px;
}

textarea, .json-input {
    width: 100%;
    height: 200px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    resize: none;
    font-family: monospace;
    margin-bottom: 15px;
    box-sizing: border-box;
}

.text-settings {
    background-color: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 5px;
    padding: 15px;
}

.setting-group {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.setting-group label {
    flex: 0 0 80px;
    font-size: 14px;
}

.setting-group .slider {
    flex: 1;
    margin: 0 10px;
}

.setting-group .number-input {
    flex: 0 0 80px;
    margin: 0 10px;
    padding: 5px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    text-align: center;
}

.setting-group .number-input:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.2);
}

.setting-group span {
    width: 50px;
    text-align: right;
    font-size: 14px;
}

input[type="color"] {
    width: 40px;
    height: 25px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.font-select {
    flex: 1;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: white;
    font-size: 14px;
}

.button-group {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
}

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

.secondary-btn {
    background-color: #3498db;
    width: 100%;
}

.secondary-btn:hover {
    background-color: #2980b9;
}

#downloadAllBtn {
    background-color: #ff9800;
}

#downloadAllBtn:hover {
    background-color: #f57c00;
}

.results-section h2 {
    margin-bottom: 15px;
}

.results-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}

.preview-note {
    grid-column: 1 / -1;
    text-align: center;
    padding: 10px;
    background-color: #f5f5f5;
    border-radius: 5px;
    margin-bottom: 10px;
    color: #666;
    font-size: 14px;
}

.result-item {
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 5px;
}

.result-item h3 {
    margin-bottom: 10px;
    text-align: center;
    font-size: 14px;
}

.result-item img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    margin-bottom: 10px;
}

.download-btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 4px;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
    transition: background-color 0.3s;
    font-size: 13px;
}

.download-btn:hover {
    background-color: #2980b9;
}

@media (max-width: 1200px) {
    .results-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) {
    .results-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .upload-section {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .results-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 多文案项目样式 */
.content-items {
    margin-bottom: 20px;
}

.content-item {
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 15px;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.content-item.active {
    border-color: #007bff;
}

.content-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
    border-radius: 8px 8px 0 0;
}

.content-item-title {
    font-weight: bold;
    color: #333;
}

.content-item-controls {
    display: flex;
    gap: 10px;
}

.toggle-btn, .delete-btn {
    padding: 5px 12px;
    font-size: 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.toggle-btn {
    background: #007bff;
    color: white;
}

.toggle-btn:hover {
    background: #0056b3;
}

.delete-btn {
    background: #dc3545;
    color: white;
}

.delete-btn:hover {
    background: #c82333;
}

.content-item-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px;
}

.copy-prompt-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

.copy-prompt-btn:hover {
    background: #218838;
}

#addContentBtn {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    margin-bottom: 20px;
    transition: background-color 0.2s;
}

#addContentBtn:hover {
    background: #0056b3;
}

.preview-note {
    background: #e7f3ff;
    border: 1px solid #b3d9ff;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 20px;
    color: #0066cc;
    font-weight: 500;
    text-align: center;
}

/* 字体大小控制样式 */
.font-size-controls {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 15px;
    margin: 15px 0;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.font-size-group {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 200px;
    flex: 1;
}

.font-size-label {
    font-weight: 600;
    color: #495057;
    font-size: 14px;
    white-space: nowrap;
}

.font-size-input {
    width: 80px;
    height: 36px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    background: white;
    color: #495057;
    outline: none;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.font-size-input:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.font-size-input:hover {
    border-color: #adb5bd;
}

/* 移动端响应式调整 */
@media (max-width: 900px) {
    .content-item-body {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .content-item-header {
        padding: 12px 15px;
    }
    
    .content-item-controls {
        gap: 8px;
    }
    
    .toggle-btn, .delete-btn {
        padding: 4px 8px;
        font-size: 11px;
    }
    
    .font-size-controls {
        flex-direction: column;
        gap: 15px;
    }
    
    .font-size-group {
        min-width: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .font-size-label {
        text-align: center;
    }
}

/* 合并控件样式 */
.merged-controls {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    background-color: #f9f9f9;
    margin-top: 15px;
}

.content-group {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: white;
}

.content-group:last-child {
    margin-bottom: 0;
}

.content-title {
    font-size: 14px;
    font-weight: bold;
    color: #555;
    margin-bottom: 8px;
    text-align: left;
}

.merged-controls .font-size-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.merged-controls .font-size-label {
    font-size: 12px;
    color: #666;
    min-width: 80px;
}

.merged-controls .font-size-input {
    width: 80px;
    padding: 4px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 12px;
}

/* 响应式设计 - 小屏幕 */
@media (max-width: 768px) {
    .merged-controls .font-size-group {
        flex-direction: column;
        align-items: stretch;
        gap: 5px;
    }
    
    .merged-controls .font-size-label {
        text-align: center;
        min-width: auto;
    }
    
    .merged-controls .font-size-input {
        width: 100%;
    }
}