/**
 * HTML实体编解码工具样式
 */

.entity-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 模式切换 */
.mode-switch {
    display: flex;
    gap: 8px;
}

.mode-btn {
    padding: 10px 24px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.mode-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.mode-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* 编辑器区域 */
.editor-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.editor-panel {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}

.panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.panel-actions {
    display: flex;
    gap: 8px;
}

.btn-small {
    padding: 6px 12px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 12px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-small:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-small.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.btn-small.btn-primary:hover {
    background: var(--color-primary-dark);
}

.editor-textarea {
    width: 100%;
    min-height: 200px;
    padding: 16px;
    border: none;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-text);
    resize: vertical;
}

.editor-textarea:focus {
    outline: none;
}

.editor-textarea::placeholder {
    color: var(--color-text-light);
}

/* 选项 */
.options-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: var(--color-bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--color-border-light);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* 实体对照表 */
.entity-table-section {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}

.section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}

.btn-toggle {
    padding: 4px 12px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 12px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.entity-table {
    padding: 16px 20px;
}

.entity-group {
    margin-bottom: 20px;
}

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

.entity-group-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--color-border-light);
}

.entity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
}

.entity-item {
    display: flex;
    flex-direction: column;
    padding: 10px 12px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.entity-item:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.entity-char {
    font-size: 20px;
    text-align: center;
    margin-bottom: 4px;
}

.entity-code {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-secondary);
    text-align: center;
}

/* 响应式 */
@media (max-width: 800px) {
    .editor-grid {
        grid-template-columns: 1fr;
    }

    .entity-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 500px) {
    .entity-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .entity-item {
        padding: 8px;
    }

    .entity-char {
        font-size: 18px;
    }
}