/* ========== 提示词预览样式优化 ========== */

/* 预览区域容器 */
.preview-container {
    background: var(--background-dark);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* 预览内容区域 */
.preview-content {
    min-height: 280px;
}

/* 预览内部区块（正面/负面提示词） */
.prompt-block {
    background: linear-gradient(135deg, var(--background-lighter) 0%, var(--background-dark) 100%);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    padding: 20px 24px;
    margin-bottom: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.prompt-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: var(--transition);
}

.prompt-block:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
    transform: translateY(-2px);
}

.prompt-block:hover::before {
    opacity: 1;
}

.prompt-block:last-of-type {
    margin-bottom: 0;
}

/* 预览标题 */
.prompt-block h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0 0 16px 0;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.prompt-block h3::before {
    content: '';
    width: 4px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* 预览文本 */
#positive-preview,
#negative-preview {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
    min-height: 80px;
    word-break: break-word;
    white-space: pre-wrap;
    padding: 4px 0;
    letter-spacing: 0.3px;
}

#positive-preview {
    color: #00ff88;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

#negative-preview {
    color: #ff6b6b;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.2);
}

/* 空状态和占位文本 */
#positive-preview:empty::before,
#negative-preview:empty::before {
    content: '暂无内容';
    color: var(--text-secondary);
    font-style: italic;
    font-size: 14px;
}

/* 占位文本样式 */
#positive-preview[data-placeholder]:empty::before,
#negative-preview[data-placeholder]:empty::before {
    content: attr(data-placeholder);
    color: var(--text-secondary);
    font-style: italic;
    font-size: 14px;
}

/* 有内容时隐藏占位文本 */
#positive-preview:not(:empty)::before,
#negative-preview:not(:empty)::before {
    content: none;
}

/* 复制按钮区域 */
.preview-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid var(--border-color);
}

.btn {
    flex: 1;
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: var(--background-lighter);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-selected {
    background: linear-gradient(135deg, var(--primary-color) 0%, #4f46e5 100%);
    color: white;
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.5);
    transform: translateY(-2px);
}

/* 复制成功提示 */
.copy-toast {
    position: fixed;
    top: 30px;
    right: 30px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 18px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.5);
    transform: translateX(400px);
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1000;
    letter-spacing: 0.5px;
}

.copy-toast.show {
    transform: translateX(0);
}

/* 响应式 */
@media (max-width: 768px) {
    .preview-container {
        padding: 20px;
    }

    .prompt-block {
        padding: 16px 20px;
    }

    .preview-actions {
        flex-direction: column;
    }

    #positive-preview,
    #negative-preview {
        font-size: 14px;
    }
}