/**
 * tools-style.css — RTHW工具页面通用样式
 *
 * 使用方式：
 *   在 rthwtool/tools/ 下的工具 HTML 中引入：
 *   <link rel="stylesheet" href="../../css/tools-style.css">
 *
 * 设计原则：
 *   与 index.php 前台风格一致（简约灰白、PingFang SC、轻阴影）
 *   提供 CSS 自定义属性，方便各工具微调主题色
 *   覆盖常见 UI 组件：表单、按钮、标签页、列表树、进度条、日志区、提示框
 *   响应式适配移动端
 */

/* ============================================================
   0. Reset & CSS Variables
   ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色 */
    --t-primary: #555;
    --t-primary-hover: #444;
    --t-primary-active: #333;
    --t-secondary: #888;

    /* 语义色 */
    --t-danger: #e05050;
    --t-danger-light: #fef5f5;
    --t-danger-border: #f5c6c6;
    --t-success: #3d9e6f;
    --t-success-light: #f0f8f0;
    --t-success-border: #c8e0c8;
    --t-info: #4a6a8a;
    --t-info-light: #f0f5fa;
    --t-info-border: #c0d8e8;
    --t-warn: #d4a017;
    --t-warn-light: #fef8e8;
    --t-warn-border: #e8d8a0;

    /* 灰阶 */
    --t-gray-50: #f7f8fa;
    --t-gray-100: #f0f0f0;
    --t-gray-200: #e8e8e8;
    --t-gray-300: #ccc;
    --t-gray-400: #aaa;
    --t-gray-500: #888;
    --t-gray-600: #666;
    --t-gray-700: #444;
    --t-gray-800: #333;
    --t-gray-900: #1a1a1a;

    /* 阴影 */
    --t-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --t-shadow-md: 0 2px 6px rgba(0, 0, 0, 0.06);
    --t-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
    --t-shadow-xl: 0 2px 4px rgba(0, 0, 0, 0.04), 0 4px 8px rgba(0, 0, 0, 0.03);

    /* 圆角 */
    --t-radius: 10px;
    --t-radius-sm: 6px;
    --t-radius-lg: 14px;

    /* 过渡 */
    --t-transition: .2s ease;
    --t-transition-fast: .15s ease;

    /* 工具页最大宽度（各工具可在HTML中覆盖 .container 的 max-width） */
    --t-max-width: 860px;

    /* 主题色 — 各工具可通过在 <style> 中重写来定制 */
    --t-accent: var(--t-primary);
    --t-accent-hover: var(--t-primary-hover);

    color-scheme: light;
}

/* ============================================================
   1. Body — 页面骨架
   ============================================================ */
body {
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--t-gray-50);
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 36px 24px;
    letter-spacing: 0.05em;
    -webkit-font-smoothing: antialiased;
    color: var(--t-gray-800);
    line-height: 1.6;
}

/* ============================================================
   2. Container — 主卡片容器
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--t-max-width);
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--t-radius-lg);
    box-shadow: var(--t-shadow-xl);
    padding: 36px 32px 28px;
}

/* 宽屏容器（工具需要更宽时使用） */
.container.wide {
    --t-max-width: 1100px;
}

/* 全宽容器 */
.container.full {
    --t-max-width: 100%;
    max-width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
}

/* ============================================================
   3. Header — 页头
   ============================================================ */
.header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.header-icon {
    width: 48px;
    height: 48px;
    background: var(--t-gray-100);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--t-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--t-gray-600);
    font-size: 22px;
    font-weight: 700;
    flex-shrink: 0;
}

.header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--t-gray-900);
}

.header p {
    font-size: 13px;
    color: var(--t-gray-500);
    margin-top: 2px;
}

/* ============================================================
   4. Section — 内容区块
   ============================================================ */
.section {
    margin-bottom: 24px;
}

.section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--t-gray-800);
    margin-bottom: 12px;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--t-gray-200);
    margin: 20px 0;
}

/* ============================================================
   5. Form Elements — 表单
   ============================================================ */

/* 表单组 */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--t-gray-700);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--t-danger);
    margin-left: 2px;
}

/* 文本输入框 */
input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
input[type="url"],
input[type="search"],
input[type="date"],
input[type="time"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--t-gray-200);
    border-radius: var(--t-radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--t-gray-800);
    background: #fff;
    transition: border-color var(--t-transition), box-shadow var(--t-transition);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--t-gray-400);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.04);
}

input::placeholder,
textarea::placeholder {
    color: var(--t-gray-300);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

/* 只读/禁用 */
input[readonly],
input:disabled,
textarea:disabled,
select:disabled {
    background: var(--t-gray-100);
    color: var(--t-gray-600);
    cursor: default;
}

/* 行内输入组 */
.input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.input-group input {
    flex: 1;
}

/* 行内表单（label + input 水平排列） */
.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

/* ============================================================
   6. Buttons — 按钮
   ============================================================ */

/* 主按钮 */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 28px;
    background: var(--t-accent);
    color: #fff;
    border: none;
    border-radius: var(--t-radius);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--t-transition);
    letter-spacing: 0.03em;
    box-shadow: var(--t-shadow-sm);
    white-space: nowrap;
}

.btn-primary:hover {
    background: var(--t-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--t-shadow-md);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 主按钮全宽 */
.btn-primary.block {
    width: 100%;
}

/* 次按钮 */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    background: #fff;
    color: var(--t-gray-600);
    border: 1px solid var(--t-gray-200);
    border-radius: var(--t-radius);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--t-transition);
    white-space: nowrap;
}

.btn-secondary:hover {
    background: var(--t-gray-50);
    border-color: var(--t-gray-400);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 小按钮 */
.btn-sm {
    padding: 5px 14px;
    font-size: 12px;
    border-radius: var(--t-radius-sm);
}

/* 虚线按钮 */
.btn-dashed {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    background: #fff;
    color: var(--t-gray-600);
    border: 1px dashed var(--t-gray-300);
    border-radius: var(--t-radius);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--t-transition);
}

.btn-dashed:hover {
    border-color: var(--t-gray-400);
    color: var(--t-gray-800);
    background: var(--t-gray-50);
}

/* 危险按钮 */
.btn-danger {
    background: var(--t-danger-light);
    color: var(--t-danger);
    border: 1px solid var(--t-danger-border);
}

.btn-danger:hover {
    background: #fde8e8;
}

/* 按钮组 */
.btn-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-group .btn-primary {
    flex: 1;
}

/* ============================================================
   7. Tabs — 标签页
   ============================================================ */
.tabs {
    display: flex;
    border: 1px solid var(--t-gray-200);
    border-radius: var(--t-radius);
    overflow: hidden;
    background: #fff;
}

.tab-item {
    flex: 1;
    padding: 10px 0;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--t-gray-500);
    cursor: pointer;
    transition: all var(--t-transition-fast);
    border-right: 1px solid var(--t-gray-200);
    user-select: none;
}

.tab-item:last-child {
    border-right: none;
}

.tab-item:hover {
    background: var(--t-gray-50);
    color: var(--t-gray-700);
}

.tab-item.active {
    background: var(--t-gray-100);
    color: var(--t-gray-900);
    font-weight: 600;
}

/* 标签页角标 */
.tab-badge {
    display: inline-block;
    background: rgba(0, 0, 0, 0.06);
    padding: 0 8px;
    border-radius: 10px;
    font-size: 12px;
    margin-left: 4px;
}

.tab-item.active .tab-badge {
    background: rgba(0, 0, 0, 0.1);
}

/* 标签页面板 */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ============================================================
   8. Table — 表格
   ============================================================ */
.tool-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.tool-table th {
    text-align: left;
    padding: 10px 14px;
    font-weight: 600;
    color: var(--t-gray-700);
    background: var(--t-gray-50);
    border-bottom: 1px solid var(--t-gray-200);
    font-size: 13px;
}

.tool-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--t-gray-100);
    color: var(--t-gray-800);
}

.tool-table tbody tr:hover {
    background: var(--t-gray-50);
}

.tool-table tbody tr:last-child td {
    border-bottom: none;
}

/* 表格包裹容器（支持水平滚动） */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--t-gray-200);
    border-radius: var(--t-radius);
}

/* ============================================================
   9. List / Tree — 列表 & 目录树
   ============================================================ */

/* 列表容器 */
.list-box {
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid var(--t-gray-200);
    border-radius: var(--t-radius);
    padding: 6px 0;
    background: var(--t-gray-50);
    font-size: 13px;
    color: var(--t-gray-700);
    line-height: 1.8;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.list-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.list-header-left span {
    font-size: 13px;
    color: var(--t-gray-500);
}

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

/* 列表行 */
.list-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    transition: background var(--t-transition-fast);
}

.list-row:hover {
    background: rgba(0, 0, 0, 0.03);
}

/* 树节点 */
.tree-children {
    padding-left: 20px;
}

.tree-children.collapsed {
    display: none;
}

.tree-folder {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    cursor: pointer;
    color: var(--t-gray-700);
    font-weight: 500;
    transition: background var(--t-transition-fast);
    user-select: none;
}

.tree-folder:hover {
    background: rgba(0, 0, 0, 0.03);
}

.tree-folder .folder-toggle {
    width: 16px;
    text-align: center;
    font-size: 10px;
    color: var(--t-gray-300);
    flex-shrink: 0;
    transition: transform var(--t-transition);
}

.tree-folder .folder-toggle.collapsed {
    transform: rotate(-90deg);
}

.tree-file {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 12px 3px 32px;
    transition: background var(--t-transition-fast);
}

.tree-file:hover {
    background: rgba(0, 0, 0, 0.03);
}

/* 文件扩展名标签 */
.ext-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 0 6px;
    border-radius: 4px;
    line-height: 18px;
    flex-shrink: 0;
    background: var(--t-gray-100);
    color: var(--t-gray-700);
}

.ext-badge.docx,
.ext-badge.doc {
    background: #f0f0f0;
    color: #555;
}

.ext-badge.xlsx,
.ext-badge.xls {
    background: #f0f8f0;
    color: #3d7a4a;
}

.ext-badge.pdf {
    background: #fde8e8;
    color: #c04040;
}

.ext-badge.png,
.ext-badge.jpg,
.ext-badge.jpeg,
.ext-badge.gif,
.ext-badge.svg,
.ext-badge.webp {
    background: #f0f0fa;
    color: #6644aa;
}

.ext-badge.html,
.ext-badge.css,
.ext-badge.js {
    background: #f0f5fa;
    color: #4a6a8a;
}

/* 移除按钮（悬浮显示） */
.btn-remove {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    color: var(--t-gray-300);
    font-size: 14px;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--t-transition);
    opacity: 0;
}

.list-row:hover .btn-remove,
.tree-file:hover .btn-remove {
    opacity: 1;
}

.btn-remove:hover {
    background: var(--t-danger-light);
    color: var(--t-danger);
}

/* ============================================================
   10. Cards — 卡片组（规则行、设置项等）
   ============================================================ */
.card-row {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 10px 12px;
    background: var(--t-gray-50);
    border: 1px solid var(--t-gray-200);
    border-radius: var(--t-radius);
    transition: border-color var(--t-transition);
}

.card-row:hover {
    border-color: var(--t-gray-400);
}

.card-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-row .card-index {
    font-size: 12px;
    font-weight: 600;
    color: var(--t-gray-600);
    min-width: 22px;
    text-align: center;
}

.card-row input[type="text"] {
    flex: 1;
    padding: 8px 12px;
}

.card-row .card-arrow {
    color: var(--t-gray-300);
    font-size: 16px;
    font-weight: 600;
    flex-shrink: 0;
    user-select: none;
}

/* ============================================================
   11. Options / Checkbox Group — 选项组
   ============================================================ */
.options-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    padding: 12px 16px;
    background: var(--t-gray-50);
    border-radius: var(--t-radius);
    border: 1px solid var(--t-gray-200);
}

.option-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--t-gray-700);
    cursor: pointer;
    user-select: none;
}

.option-item input[type="checkbox"],
.option-item input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--t-secondary);
    cursor: pointer;
}

.option-divider {
    width: 1px;
    height: 20px;
    background: var(--t-gray-200);
    align-self: center;
}

/* ============================================================
   12. Progress — 进度条
   ============================================================ */
.progress-area {
    display: none;
}

.progress-area.visible {
    display: block;
}

.progress-bar-bg {
    width: 100%;
    height: 6px;
    background: var(--t-gray-200);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--t-gray-500);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--t-gray-500);
    margin-top: 6px;
}

/* ============================================================
   13. Log — 日志区
   ============================================================ */
.log-area {
    background: var(--t-gray-900);
    color: var(--t-gray-500);
    border-radius: var(--t-radius);
    padding: 14px 16px;
    font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
    font-size: 13px;
    line-height: 1.6;
    max-height: 220px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    display: none;
}

.log-area.visible {
    display: block;
}

.log-success {
    color: var(--t-success);
}

.log-error {
    color: var(--t-danger);
}

.log-info {
    color: #89b4fa;
}

.log-warn {
    color: #f9e2af;
}

/* ============================================================
   14. Alert — 提示/结果框
   ============================================================ */
.alert {
    padding: 14px 18px;
    border-radius: var(--t-radius);
    font-size: 14px;
    display: none;
}

.alert.visible {
    display: block;
}

.alert-success {
    background: var(--t-success-light);
    border: 1px solid var(--t-success-border);
    color: #3d6b3d;
}

.alert-danger {
    background: var(--t-danger-light);
    border: 1px solid var(--t-danger-border);
    color: #8b3030;
}

.alert-info {
    background: var(--t-info-light);
    border: 1px solid var(--t-info-border);
    color: var(--t-info);
}

.alert-warn {
    background: var(--t-warn-light);
    border: 1px solid var(--t-warn-border);
    color: #8a7020;
}

.alert strong {
    font-weight: 600;
}

/* ============================================================
   15. Badge — 标签
   ============================================================ */
.badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    padding: 2px 10px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.06);
    color: var(--t-gray-600);
}

.badge-primary {
    background: var(--t-primary);
    color: #fff;
}

.badge-success {
    background: var(--t-success-light);
    color: var(--t-success);
}

.badge-danger {
    background: var(--t-danger-light);
    color: var(--t-danger);
}

/* ============================================================
   16. Tooltip text — 辅助文字
   ============================================================ */
.help-text {
    font-size: 12px;
    color: var(--t-gray-500);
    margin-top: 4px;
}

.count-text {
    font-size: 13px;
    color: var(--t-gray-500);
    margin-top: 6px;
}

.count-text strong {
    color: var(--t-gray-700);
}

/* ============================================================
   17. Toggle / Switch — 开关
   ============================================================ */
.toggle-switch {
    position: relative;
    width: 40px;
    height: 22px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--t-gray-300);
    border-radius: 11px;
    cursor: pointer;
    transition: background var(--t-transition);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--t-transition);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--t-accent);
}

.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(18px);
}

/* ============================================================
   18. Empty State — 空状态
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--t-gray-500);
}

.empty-state .empty-icon {
    font-size: 36px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state .empty-text {
    font-size: 14px;
}

/* ============================================================
   19. Utilities — 工具类
   ============================================================ */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-0  { margin-top: 0; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-0  { margin-bottom: 0; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.gap-8  { gap: 8px; }
.gap-16 { gap: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ============================================================
   20. Scrollbar — 自定义滚动条
   ============================================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--t-gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--t-gray-400);
}

/* ============================================================
   21. Responsive — 响应式
   ============================================================ */
@media (max-width: 600px) {
    body {
        padding: 20px 12px;
    }

    .container {
        padding: 20px 16px;
    }

    .header h1 {
        font-size: 18px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .input-group {
        flex-direction: column;
    }

    .btn-group {
        flex-direction: column;
    }

    .options-bar {
        flex-direction: column;
        gap: 8px;
    }

    .option-divider {
        display: none;
    }

    .card-row {
        flex-wrap: wrap;
    }

    .card-row input[type="text"] {
        min-width: 100px;
    }

    .card-row .card-arrow {
        display: none;
    }

    .tree-children {
        padding-left: 12px;
    }

    .tree-file {
        padding-left: 24px;
    }

    .btn-remove {
        opacity: 1;
    }

    .list-box,
    .log-area {
        max-height: 180px;
    }
}