/*
Theme Name: wpDataTables Optimized
Theme URI: https://wordpress.955505.xyz/
Author: Claude
Author URI: https://wordpress.955505.xyz/
Description: 专为 wpDataTables 优化的移动优先(mobile-first)宽屏数据主题。基准样式面向手机，逐级增强到平板/桌面；表格/图表自适应满宽并在窄屏横向滚动，含汉堡菜单、美化的 DataTables 控件与中文字体栈。
Version: 1.1.0
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: wpdt-optimized
*/

/* =========================================================
   Mobile-first: base styles target small screens.
   Larger screens are progressively enhanced via min-width.
   ========================================================= */

/* ---------- Design tokens ---------- */
:root{
  --wpdt-accent:#2563eb;
  --wpdt-accent-dark:#1e40af;
  --wpdt-accent-soft:#e8efff;
  --wpdt-bg:#eef2f8;
  --wpdt-card:#ffffff;
  --wpdt-text:#1f2937;
  --wpdt-muted:#6b7280;
  --wpdt-border:#e5e7eb;
  --wpdt-border-strong:#d1d5db;
  --wpdt-maxw:1200px;
  --wpdt-maxw-wide:min(1720px,95vw);
  --wpdt-radius:12px;
  --wpdt-shadow:0 1px 3px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06);
  --wpdt-font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --wpdt-tap:44px; /* minimum touch target */
}

/* ---------- Base (mobile) ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;overflow-x:hidden;}
body{
  margin:0;font-family:var(--wpdt-font);color:var(--wpdt-text);
  background:var(--wpdt-bg);line-height:1.7;font-size:15px;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--wpdt-accent);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;height:auto;}
h1,h2,h3,h4{line-height:1.3;color:#111827;margin:1.3em 0 .55em;font-weight:700;}
h1{font-size:1.5rem;}h2{font-size:1.25rem;}h3{font-size:1.1rem;}
p{margin:0 0 1em;}
code{background:#f3f4f6;border:1px solid var(--wpdt-border);border-radius:6px;padding:.1em .4em;font-size:.9em;color:#b4316b;word-break:break-word;}
hr{border:0;border-top:1px solid var(--wpdt-border);margin:1.6rem 0;}

/* ---------- Containers (mobile) ---------- */
.wpdt-container{max-width:var(--wpdt-maxw);margin:0 auto;padding:0 14px;width:100%;}
.site-main{padding:18px 0 40px;}
.wpdt-wide .wpdt-container--content{max-width:var(--wpdt-maxw-wide);}

/* ---------- Header (mobile: brand + hamburger, nav collapses) ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--wpdt-border);
}
.site-header .wpdt-container{
  max-width:var(--wpdt-maxw-wide);display:flex;align-items:center;
  justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;
}
.site-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.05rem;color:#111827;min-width:0;}
.site-brand a{color:inherit;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.site-brand .wpdt-logo{display:inline-flex;width:30px;height:30px;flex:0 0 30px;border-radius:8px;background:linear-gradient(135deg,var(--wpdt-accent),#60a5fa);align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:800;}
.site-desc{display:none;color:var(--wpdt-muted);font-size:.8rem;font-weight:500;}

/* hamburger */
.nav-toggle{position:absolute;opacity:0;pointer-events:none;}
.nav-toggle-label{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:var(--wpdt-tap);height:var(--wpdt-tap);margin-left:auto;cursor:pointer;
  border:1px solid var(--wpdt-border);border-radius:10px;padding:0 11px;background:#fff;
}
.nav-toggle-bar{display:block;height:2px;width:100%;background:#374151;border-radius:2px;transition:.2s;}
.nav-toggle:checked + .nav-toggle-label .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle:checked + .nav-toggle-label .nav-toggle-bar:nth-child(2){opacity:0;}
.nav-toggle:checked + .nav-toggle-label .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* nav (mobile): hidden until toggled, then a grouped accordion list */
nav.site-nav{display:none;flex-basis:100%;width:100%;}
.nav-toggle:checked ~ nav.site-nav{display:block;}
.wpdt-menu,.wpdt-sub{list-style:none;margin:0;padding:0;}
.wpdt-menu{display:flex;flex-direction:column;gap:2px;margin:6px 0 2px;}
.wpdt-menu>li{position:relative;}
nav.site-nav a,.wpdt-cat-label{
  display:block;padding:11px 12px;min-height:var(--wpdt-tap);border-radius:9px;
  color:#374151;font-weight:600;font-size:1rem;line-height:1.4;
}
.wpdt-cat-label{display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none;}
nav.site-nav a:hover,.wpdt-cat-label:hover{background:var(--wpdt-accent-soft);color:var(--wpdt-accent-dark);text-decoration:none;}
.wpdt-caret{flex:0 0 auto;width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .2s;opacity:.55;}
.wpdt-sub{display:none;flex-direction:column;gap:2px;margin:2px 0 6px;padding-left:10px;border-left:2px solid var(--wpdt-border);}
.wpdt-sub-toggle:checked ~ .wpdt-sub{display:flex;}
.wpdt-sub-toggle:checked ~ .wpdt-cat-label .wpdt-caret{transform:rotate(-135deg);}
.wpdt-sub a{font-weight:500;font-size:.95rem;color:#4b5563;}
.current-menu-item>a{background:var(--wpdt-accent)!important;color:#fff!important;}
.wpdt-cat-current>.wpdt-cat-label{color:var(--wpdt-accent-dark);background:var(--wpdt-accent-soft);}

/* ---------- Content card (mobile) ---------- */
.entry{background:var(--wpdt-card);border:1px solid var(--wpdt-border);border-radius:var(--wpdt-radius);box-shadow:var(--wpdt-shadow);padding:20px 16px;}
.entry-title{margin-top:0;font-size:1.45rem;border-bottom:3px solid var(--wpdt-accent);padding-bottom:.35em;display:inline-block;line-height:1.25;}
.entry-content{font-size:1rem;}
.entry-content ul,.entry-content ol{padding-left:1.3em;}
.entry-content li{margin:.3em 0;}
.entry-content>p:first-of-type{font-size:1.02rem;color:#374151;}
.entry-content h3{margin-top:1.6em;padding-left:11px;border-left:4px solid var(--wpdt-accent);}
.page-breadcrumb{font-size:.82rem;color:var(--wpdt-muted);margin-bottom:12px;line-height:1.5;}
.page-breadcrumb a{color:var(--wpdt-muted);}

/* ---------- wpDataTables: full width + horizontal scroll on small screens ---------- */
.wpDataTablesWrapper{
  width:100%!important;max-width:100%!important;margin:1.2em 0 1.8em;
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  /* scroll affordance: subtle fade shadows */
  background:
    linear-gradient(90deg,#fff 30%,rgba(255,255,255,0)) left/24px 100% no-repeat,
    linear-gradient(270deg,#fff 30%,rgba(255,255,255,0)) right/24px 100% no-repeat,
    radial-gradient(farthest-side at 0 50%,rgba(16,24,40,.12),transparent) left/12px 100% no-repeat,
    radial-gradient(farthest-side at 100% 50%,rgba(16,24,40,.12),transparent) right/12px 100% no-repeat;
  background-attachment:local,local,scroll,scroll;
}
.wpDataTablesWrapper table.wpDataTable{width:100%!important;border-collapse:separate;border-spacing:0;font-size:.9rem;}
.wpDataTablesWrapper table.wpDataTable thead th{
  background:var(--wpdt-accent)!important;color:#fff!important;font-weight:600;
  border:none!important;border-right:1px solid rgba(255,255,255,.15)!important;
  padding:11px 12px!important;white-space:nowrap;vertical-align:middle;
}
.wpDataTablesWrapper table.wpDataTable thead th:first-child{border-top-left-radius:10px;}
.wpDataTablesWrapper table.wpDataTable thead th:last-child{border-top-right-radius:10px;border-right:none!important;}
.wpDataTablesWrapper table.wpDataTable tbody td{padding:9px 12px!important;border:none!important;border-bottom:1px solid var(--wpdt-border)!important;}
.wpDataTablesWrapper table.wpDataTable tbody tr:nth-child(even) td{background:#f8fafc;}
.wpDataTablesWrapper table.wpDataTable tbody tr:hover td{background:var(--wpdt-accent-soft)!important;}
.wpDataTablesWrapper table.wpDataTable tbody td img{border-radius:8px;vertical-align:middle;}
.wpDataTablesWrapper table.wpDataTable tfoot th,.wpDataTablesWrapper table.wpDataTable tfoot td{
  background:#f1f5f9!important;font-weight:700;border-top:2px solid var(--wpdt-border-strong)!important;padding:9px 12px!important;
}
.wpDataTablesWrapper table.wpDataTable td a{color:var(--wpdt-accent);font-weight:600;}

/* DataTables controls (touch-friendly) */
.dataTables_wrapper .dataTables_filter,.dataTables_wrapper .dataTables_length{margin-bottom:8px;}
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select{
  border:1px solid var(--wpdt-border-strong)!important;border-radius:9px!important;
  padding:8px 12px!important;min-height:var(--wpdt-tap);outline:none;background:#fff;font-family:inherit;font-size:1rem;max-width:100%;
}
.dataTables_wrapper .dataTables_filter input:focus,
.dataTables_wrapper .dataTables_length select:focus{border-color:var(--wpdt-accent)!important;box-shadow:0 0 0 3px var(--wpdt-accent-soft);}
.dataTables_wrapper .dataTables_info{color:var(--wpdt-muted);font-size:.85rem;padding-top:10px;}
.dataTables_wrapper .dataTables_paginate{padding-top:8px;}
.dataTables_wrapper .dataTables_paginate .paginate_button{
  border-radius:8px!important;border:1px solid var(--wpdt-border)!important;margin:2px!important;
  padding:8px 12px!important;min-width:var(--wpdt-tap);min-height:var(--wpdt-tap);box-sizing:border-box;
  color:var(--wpdt-text)!important;background:#fff!important;display:inline-flex;align-items:center;justify-content:center;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover{background:var(--wpdt-accent)!important;border-color:var(--wpdt-accent)!important;color:#fff!important;}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover{background:var(--wpdt-accent-soft)!important;border-color:var(--wpdt-accent)!important;color:var(--wpdt-accent-dark)!important;}

/* export / table tools buttons — wrap on mobile */
div.dt-buttons{flex-wrap:wrap;}
.dt-buttons .dt-button,div.dt-buttons .dt-button{
  background:#fff!important;border:1px solid var(--wpdt-border-strong)!important;border-radius:9px!important;
  color:var(--wpdt-text)!important;padding:8px 14px!important;margin:0 6px 6px 0!important;font-weight:600;
  min-height:var(--wpdt-tap);box-shadow:none!important;
}
.dt-buttons .dt-button:hover{background:var(--wpdt-accent)!important;color:#fff!important;border-color:var(--wpdt-accent)!important;}

/* advanced filter form */
.wdtcfStandalone,.wpDataTableFilterContainer{background:#f8fafc;border:1px solid var(--wpdt-border);border-radius:12px;padding:14px!important;margin-bottom:16px;}

/* ---------- Charts (mobile) ---------- */
.wpdt-c,
.entry-content div[class^="google_"],
.entry-content div[class^="chartjs_"],
.entry-content div[class^="apexcharts_"],
.entry-content div[class^="highcharts_"],
.entry-content div[class^="highstock_"]{
  width:100%!important;max-width:100%!important;margin:1.2em auto 1.8em!important;
  background:#fff;border:1px solid var(--wpdt-border);border-radius:12px;padding:12px;box-shadow:var(--wpdt-shadow);
}
.entry-content div[class^="google_"] svg,
.entry-content div[class^="chartjs_"] canvas,
.entry-content div[class^="apexcharts_"] svg,
.entry-content div[class^="highcharts_"] svg,
.wpdt-c svg,.wpdt-c canvas{max-width:100%!important;}

/* ---------- Footer (mobile) ---------- */
.site-footer{background:#0f172a;color:#cbd5e1;margin-top:36px;}
.site-footer .wpdt-container{max-width:var(--wpdt-maxw-wide);padding-top:24px;padding-bottom:24px;display:flex;flex-direction:column;gap:8px;}
.site-footer a{color:#93c5fd;}
.site-footer .foot-brand{font-weight:700;color:#fff;}

/* posts list */
.wpdt-post-card{background:var(--wpdt-card);border:1px solid var(--wpdt-border);border-radius:var(--wpdt-radius);box-shadow:var(--wpdt-shadow);padding:20px 16px;margin-bottom:18px;}
.wpdt-post-card .entry-title{font-size:1.2rem;border:none;}
.wpdt-post-card .entry-title a{color:#111827;}

/* =========================================================
   >= 768px  (tablet)
   ========================================================= */
@media (min-width:768px){
  body{font-size:16px;}
  .wpdt-container{padding:0 24px;}
  .site-main{padding:28px 0 48px;}
  .site-desc{display:inline;}
  .entry{padding:28px 28px;}
  .entry-title{font-size:1.7rem;}
  h1{font-size:1.8rem;}h2{font-size:1.4rem;}
  .wpDataTablesWrapper table.wpDataTable{font-size:.95rem;}
  .site-footer .wpdt-container{flex-direction:row;justify-content:space-between;align-items:center;}
}

/* =========================================================
   >= 1024px  (desktop): horizontal nav + hover dropdowns
   ========================================================= */
@media (min-width:1024px){
  .site-header .wpdt-container{flex-wrap:nowrap;gap:16px;min-height:64px;align-items:center;}
  .site-brand{font-size:1.15rem;flex:0 0 auto;}
  .nav-toggle-label{display:none;}
  nav.site-nav{display:block!important;flex-basis:auto;width:auto;margin-left:auto;min-width:0;}
  .wpdt-menu{flex-direction:row;flex-wrap:wrap;gap:2px;justify-content:flex-end;align-items:center;margin:0;}
  nav.site-nav a,.wpdt-cat-label{padding:8px 11px;font-size:.9rem;min-height:auto;border-radius:8px;}
  .wpdt-has-sub{position:relative;}
  .wpdt-caret{width:7px;height:7px;opacity:.45;}
  /* dropdown on hover — fixed width, uniform full-row click area */
  .wpdt-sub{
    position:absolute;top:100%;right:0;display:none;flex-direction:column;margin:0;
    background:#fff;border:1px solid var(--wpdt-border);border-left:1px solid var(--wpdt-border);border-radius:12px;
    box-shadow:var(--wpdt-shadow);padding:8px;width:300px;max-height:74vh;overflow-y:auto;z-index:1001;
  }
  .wpdt-sub-toggle:checked ~ .wpdt-sub{display:none;}   /* desktop ignores accordion state */
  .wpdt-has-sub:hover .wpdt-sub{display:flex;}
  .wpdt-has-sub:hover .wpdt-caret{transform:rotate(225deg);}
  .wpdt-sub li{width:100%;}
  .wpdt-sub a{
    display:block;width:100%;box-sizing:border-box;font-weight:500;font-size:.9rem;color:#4b5563;border-radius:8px;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .entry{padding:40px 44px;}
  .wpdt-wide .entry{padding:36px 40px;}
  .entry-title{font-size:1.9rem;}
  h1{font-size:2rem;}
}

/* =========================================================
   Accessibility / motion
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}