/**
 * Dev Toolkit - 工具页面样式
 * 用于所有工具页面的通用组件样式
 */

/* ========== 工具卡片 ========== */
.tool-panel {
    background: white;
    border: 2px solid var(--color-secondary);
    border-radius: 16px;
    padding: 35px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px var(--color-shadow);
    animation: fadeIn 0.5s ease-out;
}

.section-title {
    font-size: 1.4em;
    color: var(--color-headline);
    margin-bottom: 25px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 28px;
    background: var(--color-button);
    border-radius: 2px;
}

/* ========== 表单元素 ========== */
.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--color-headline);
    margin-bottom: 10px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-secondary);
    border-radius: 10px;
    font-size: 1em;
    font-family: inherit;
    transition: all 0.3s;
    background: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-button);
    box-shadow: 0 0 0 4px rgba(255, 216, 3, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--color-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ========== Tab 切换 ========== */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 28px;
    background: white;
    border: 2px solid var(--color-secondary);
    color: var(--color-paragraph);
    border-radius: 10px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s;
}

.tab-btn:hover {
    border-color: var(--color-button);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--color-button);
    color: var(--color-button-text);
    border-color: var(--color-button);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

/* ========== 预览区域 ========== */
.preview-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.preview-box {
    background: 
        repeating-conic-gradient(#e0e0e0 0% 25%, #f5f5f5 0% 50%) 
        50% / 20px 20px;
    border: 3px solid var(--color-tertiary);
    border-radius: 16px;
    padding: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px var(--color-shadow);
}

.preview-label {
    font-weight: 700;
    color: var(--color-headline);
    font-size: 1.2em;
    margin-bottom: 20px;
}

/* ========== 颜色选择 ========== */
.color-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.color-input-wrapper {
    display: flex;
    gap: 12px;
    align-items: center;
}

input[type="color"] {
    width: 60px;
    height: 50px;
    border: 2px solid var(--color-secondary);
    border-radius: 8px;
    cursor: pointer;
}

/* ========== 复选框和单选框 ========== */
input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-button);
}

/* ========== 上传区域 ========== */
.upload-area {
    border: 3px dashed var(--color-secondary);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--color-secondary);
}

.upload-area:hover {
    border-color: var(--color-button);
    background: rgba(255, 216, 3, 0.1);
}

.upload-area.dragover {
    border-color: var(--color-button);
    background: rgba(255, 216, 3, 0.2);
}

.upload-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

/* ========== 网格布局 ========== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* ========== 代码块 ========== */
.code-block {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 20px;
    border-radius: 10px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.95em;
    line-height: 1.6;
    overflow-x: auto;
    position: relative;
}

.code-block pre {
    margin: 0;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.3s;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ========== 统计信息 ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.stat-item {
    background: var(--color-secondary);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.stat-value {
    font-size: 2em;
    font-weight: 700;
    color: var(--color-headline);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9em;
    color: var(--color-paragraph);
    opacity: 0.8;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .tool-panel {
        padding: 25px;
    }

    .color-group,
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}