/**
 * Pixelit Plugin Public Styles
 */

/* 主容器 */
.pixelit-container {
    max-width: 100%;
    margin: 20px 0;
    padding: 20px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.pixelit-container * {
    box-sizing: border-box;
}

/* 消息区域 */
.pixelit-messages {
    margin-bottom: 15px;
    position: relative;
    z-index: 10;
}

.pixelit-message {
    padding: 12px 16px;
    margin-bottom: 10px;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.4;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pixelit-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.pixelit-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.pixelit-message.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.pixelit-message.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* 上传区域 */
.pixelit-upload-area {
    margin-bottom: 20px;
    padding: 20px;
    background: #fff;
    border: 2px dashed #ddd;
    border-radius: 8px;
    text-align: center;
    transition: border-color 0.3s ease;
}

.pixelit-upload-area:hover {
    border-color: #007cba;
}

.pixelit-upload-area h3 {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 18px;
}

.pixelit-file-input {
    display: none;
}

.pixelit-file-button {
    display: inline-block;
    padding: 12px 24px;
    background: #007cba;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.pixelit-file-button:hover {
    background: #005a87;
    color: #fff;
    text-decoration: none;
}

.pixelit-file-info {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}

.pixelit-file-name {
    font-weight: 500;
}

.pixelit-upload-hint {
    margin-top: 10px;
    font-size: 12px;
    color: #888;
}

/* 控制面板 */
.pixelit-controls {
    margin-bottom: 20px;
    padding: 20px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.pixelit-control-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

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

.pixelit-control-label {
    min-width: 100px;
    font-weight: 500;
    color: #333;
    font-size: 14px;
}

.pixelit-slider {
    flex: 1;
    min-width: 150px;
    height: 6px;
    background: #ddd;
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.pixelit-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #007cba;
    border-radius: 50%;
    cursor: pointer;
}

.pixelit-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #007cba;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.pixelit-value-display {
    min-width: 30px;
    text-align: center;
    font-weight: 500;
    color: #007cba;
}

.pixelit-control-input {
    width: 80px;
    padding: 6px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.pixelit-control-input:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.1);
}

.pixelit-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #333;
}

.pixelit-checkbox input[type="checkbox"] {
    margin-right: 8px;
    transform: scale(1.1);
}

/* 调色板区域 */
.pixelit-palette-section {
    margin-bottom: 20px;
    padding: 20px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.pixelit-palette-title {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 16px;
}

.pixelit-palette-selector {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    margin-bottom: 15px;
}

.pixelit-palette-selector:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.1);
}

.pixelit-custom-palette-section {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.pixelit-custom-palette-section h5 {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 14px;
    font-weight: 500;
}

.pixelit-custom-palette {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
    min-height: 40px;
    padding: 10px;
    border: 1px dashed #ddd;
    border-radius: 4px;
}

.pixelit-color-block {
    width: 30px;
    height: 30px;
    border: 2px solid #fff;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.pixelit-color-block:hover {
    transform: scale(1.1);
}

.pixelit-palette-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.pixelit-palette-button {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    color: #333;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s ease;
}

.pixelit-palette-button:hover {
    background: #f5f5f5;
}

.pixelit-palette-button.primary {
    background: #007cba;
    color: #fff;
    border-color: #007cba;
}

.pixelit-palette-button.primary:hover {
    background: #005a87;
}

.pixelit-palette-button.danger {
    background: #dc3545;
    color: #fff;
    border-color: #dc3545;
}

.pixelit-palette-button.danger:hover {
    background: #c82333;
}

.pixelit-palette-note,
.pixelit-palette-warning {
    margin-top: 10px;
    font-size: 12px;
    line-height: 1.4;
}

.pixelit-palette-note {
    color: #666;
}

.pixelit-palette-warning {
    color: #856404;
}

/* 画布区域 */
.pixelit-canvas-area {
    margin-bottom: 20px;
    text-align: center;
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.pixelit-canvas {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 加载状态 */
.pixelit-loading {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 100;
    text-align: center;
    color: #666;
    font-size: 14px;
}

.pixelit-loading.active {
    display: block;
}

.pixelit-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #007cba;
    border-radius: 50%;
    animation: pixelit-spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes pixelit-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 画布容器相对定位以支持加载覆盖层 */
.pixelit-canvas-area {
    position: relative;
}

/* 拖拽上传状态 */
.pixelit-upload-area.dragover {
    border-color: #007cba;
    background-color: rgba(0, 124, 186, 0.05);
}

/* 自定义调色板颜色块样式 */
.pixelit-color-swatch {
    width: 30px;
    height: 30px;
    border: 2px solid #fff;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-block;
}

.pixelit-color-swatch:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* 下载区域 */
.pixelit-download-area {
    text-align: center;
    padding: 20px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.pixelit-download-button {
    padding: 12px 24px;
    background: #28a745;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.pixelit-download-button:hover:not(:disabled) {
    background: #218838;
}

.pixelit-download-button:disabled {
    background: #6c757d;
    cursor: not-allowed;
    opacity: 0.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .pixelit-container {
        padding: 15px;
        margin: 15px 0;
    }
    
    .pixelit-control-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pixelit-control-label {
        min-width: auto;
        margin-bottom: 5px;
    }
    
    .pixelit-slider {
        min-width: auto;
    }
    
    .pixelit-palette-buttons {
        justify-content: center;
    }
    
    .pixelit-custom-palette {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .pixelit-container {
        padding: 10px;
        margin: 10px 0;
    }
    
    .pixelit-upload-area,
    .pixelit-controls,
    .pixelit-palette-section,
    .pixelit-canvas-area,
    .pixelit-download-area {
        padding: 15px;
    }
    
    .pixelit-file-button {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .pixelit-download-button {
        padding: 10px 20px;
        font-size: 13px;
    }
}

/* 主题支持 */
.pixelit-container.theme-dark {
    background: #2c3e50;
    border-color: #34495e;
    color: #ecf0f1;
}

.pixelit-container.theme-dark .pixelit-upload-area,
.pixelit-container.theme-dark .pixelit-controls,
.pixelit-container.theme-dark .pixelit-palette-section,
.pixelit-container.theme-dark .pixelit-canvas-area,
.pixelit-container.theme-dark .pixelit-download-area {
    background: #34495e;
    border-color: #4a5f7a;
    color: #ecf0f1;
}

.pixelit-container.theme-dark .pixelit-control-label,
.pixelit-container.theme-dark .pixelit-palette-title,
.pixelit-container.theme-dark .pixelit-checkbox {
    color: #ecf0f1;
}

.pixelit-container.theme-dark .pixelit-control-input,
.pixelit-container.theme-dark .pixelit-palette-selector {
    background: #4a5f7a;
    border-color: #5a6f8a;
    color: #ecf0f1;
}

.pixelit-container.theme-light {
    background: #ffffff;
    border-color: #e9ecef;
}

.pixelit-container.theme-light .pixelit-upload-area,
.pixelit-container.theme-light .pixelit-controls,
.pixelit-container.theme-light .pixelit-palette-section,
.pixelit-container.theme-light .pixelit-canvas-area,
.pixelit-container.theme-light .pixelit-download-area {
    background: #f8f9fa;
    border-color: #dee2e6;
}