/**
 * Font Preview Pro - Frontend Styles v2.0
 */

/* ==================== 主容器 ==================== */
.fpp-preview-container {
    margin: 20px 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

.fpp-preview-container * {
    box-sizing: border-box;
}

/* ==================== 控制面板 ==================== */
.fpp-controls {
    margin-bottom: 20px;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.fpp-control-group {
    margin-bottom: 15px;
}

.fpp-control-group.fpp-full {
    width: 100%;
}

.fpp-control-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: #333;
    font-size: 13px;
}

.fpp-control-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.fpp-range-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.fpp-range-wrap input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    -webkit-appearance: none;
    background: #e0e0e0;
}

.fpp-range-wrap input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #2271b1;
    cursor: pointer;
    transition: transform 0.15s;
}

.fpp-range-wrap input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.fpp-range-wrap input[type="number"] {
    width: 60px;
    padding: 4px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
}

/* 颜色选择器 */
.fpp-color-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.fpp-color-wrap input[type="color"] {
    width: 50px;
    height: 36px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    padding: 2px;
}

.fpp-color-wrap input[type="text"] {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 13px;
}

/* 开关按钮 */
.fpp-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.fpp-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    user-select: none;
}

.fpp-toggle input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* 预览标签页 */
.fpp-preview-tabs {
    display: flex;
    gap: 8px;
    margin-top: 15px;
}

.fpp-preview-tabs .fpp-tab {
    padding: 8px 20px;
    border: 1px solid #ddd;
    background: #f5f5f5;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.fpp-preview-tabs .fpp-tab:hover {
    background: #e5e5e5;
}

.fpp-preview-tabs .fpp-tab.active {
    background: #2271b1;
    color: #fff;
    border-color: #2271b1;
}

/* 操作按钮 */
.fpp-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.fpp-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
}

.fpp-btn .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

.fpp-btn-success {
    background: #28a745;
    color: #fff;
}

.fpp-btn-success:hover {
    background: #218838;
}

.fpp-btn-primary {
    background: #2271b1;
    color: #fff;
}

.fpp-btn-primary:hover {
    background: #135e96;
}

.fpp-btn-secondary {
    background: #6c757d;
    color: #fff;
}

.fpp-btn-secondary:hover {
    background: #5a6268;
}

.fpp-btn-warning {
    background: #ffc107;
    color: #333;
}

.fpp-btn-warning:hover {
    background: #e0a800;
}

/* ==================== 预览区域 ==================== */
.fpp-preview-area {
    padding: 40px 30px;
    background: #fff;
    border-radius: 12px;
    border: 2px dashed #e0e0e0;
    min-height: 200px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.fpp-preview-area.fpp-dark {
    background: #1a1a1a !important;
    border-color: #333;
}

.fpp-preview-area.fpp-grid {
    background-image: 
        linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 20px 20px, 20px 20px, 100% 100%;
    background-position: 0 0, 0 0, 0 0;
}

.fpp-preview-area.fpp-dark.fpp-grid {
    background-image: 
        linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 20px 20px, 20px 20px, 100% 100%;
    background-position: 0 0, 0 0, 0 0;
    background-color: #1a1a1a !important;
}

.fpp-preview-text {
    word-break: break-word;
    line-height: 1.6;
    transition: all 0.2s;
}

.fpp-preview-text.fpp-en {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.fpp-preview-area.fpp-dark .fpp-preview-text.fpp-en {
    border-top-color: rgba(255,255,255,0.2);
}

/* ==================== 字体信息 ==================== */
.fpp-font-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    padding: 12px 18px;
    background: #f8f9fa;
    border-radius: 8px;
}

.fpp-font-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.fpp-font-family {
    color: #666;
    font-size: 14px;
}

.fpp-font-format {
    margin-left: auto;
    padding: 3px 10px;
    background: #2271b1;
    color: #fff;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

/* ==================== CSS输出 ==================== */
.fpp-css-output {
    margin-top: 15px;
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
}

.fpp-css-output pre {
    margin: 0;
    padding: 15px;
    overflow-x: auto;
}

.fpp-css-output code {
    color: #d4d4d4;
    font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
}

/* ==================== 字体对比 ==================== */
.fpp-compare-container {
    margin: 20px 0;
}

.fpp-compare-header {
    margin-bottom: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.fpp-compare-header h3 {
    margin: 0 0 15px 0;
}

.fpp-compare-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.fpp-compare-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.fpp-compare-item {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
}

.fpp-compare-item-header {
    padding: 15px;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.fpp-compare-item-header h4 {
    margin: 0 0 8px 0;
    font-size: 15px;
}

.fpp-compare-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fpp-compare-meta span {
    padding: 2px 8px;
    background: #e7f3ff;
    color: #0073aa;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.fpp-compare-item-preview {
    padding: 30px 20px;
    min-height: 120px;
}

.fpp-compare-item-footer {
    padding: 10px 15px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: 10px;
}

/* ==================== 消息提示 ==================== */
.fpp-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 99999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .fpp-control-row {
        grid-template-columns: 1fr;
    }
    
    .fpp-actions {
        flex-direction: column;
    }
    
    .fpp-actions .fpp-btn {
        width: 100%;
        justify-content: center;
    }
    
    .fpp-preview-area {
        padding: 25px 15px;
    }
    
    .fpp-preview-text {
        font-size: 32px !important;
    }
    
    .fpp-font-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .fpp-font-format {
        margin-left: 0;
    }
}