/* ============================================================
   皮肤:Grape 葡萄紫(精修版)
   说明:浅灰底 + 深紫主色调,优雅高级感。
   精修:加微妙紫光氛围底 + 卡片悬停深紫微辉 + 按钮渐变。
   启用:add_filter( 'navstack_skin', fn() => 'grape' );
   ============================================================ */
:root{
  --bg:#f8f7fb;
  --surface:#ffffff;
  --surface-2:#f0edf7;
  --border-color:#e2dcef;
  --shadow-dark:rgba(50,30,90,.08);
  --shadow-light:transparent;
  --text:#2d2740;
  --text-soft:#5a5070;
  --text-muted:#857c9a;
  --accent:#7c3fbf;
  --accent-soft:#ece1f9;
  --danger:#ef5777;
  --ok:#26c281;
  --sh-hover:0 8px 24px rgba(124,63,191,.16);
}

/* 微妙紫光氛围底 */
body{
  background-image:
    radial-gradient(circle at 10% 10%,rgba(124,63,191,.06),transparent 50%),
    radial-gradient(circle at 90% 90%,rgba(124,63,191,.04),transparent 50%);
  background-attachment:fixed;
}

/* 卡片悬停:深紫微辉 */
.site-card:hover{box-shadow:0 8px 24px rgba(124,63,191,.14),0 0 0 1px rgba(124,63,191,.15)}

/* 主按钮:深紫渐变 */
.search-box .btn-go{
  background:linear-gradient(135deg,#7c3fbf,#9d5ce8) !important;
  box-shadow:0 4px 14px rgba(124,63,191,.35) !important;
}
.search-box .btn-go:hover{box-shadow:0 6px 20px rgba(124,63,191,.45) !important}

/* 选中态 */
.nav-link.is-active{box-shadow:inset 2px 0 0 var(--accent) !important}
.posts-nav .page-numbers.current{
  background:linear-gradient(135deg,#7c3fbf,#9d5ce8) !important;color:#fff !important;
}

/* 选区色 + 滚动条 */
:root{--selection-bg:rgba(124,63,191,.2);--scroll-thumb:rgba(124,63,191,.22)}
::selection{background:rgba(124,63,191,.2)}
::-webkit-scrollbar-thumb{background:rgba(124,63,191,.22)}
::-webkit-scrollbar-thumb:hover{background:#7c3fbf}