/* ===========================
   APG Shared Styles (site.css)
   Desktop stays unchanged; phones/tablets use drawer
   =========================== */

:root{
  --green:#117c68;
  --green-dark:#0e6b5b;
  --dark:#111827;
  --line:#e5e7eb;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;
  color:var(--dark);
  background:#f8fafc;
}

a{ color:var(--green); text-decoration:none; }

.container{ max-width:none; margin:0 auto; padding:0 16px; }

/* ---------- Header / Nav ---------- */
header{
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
}
nav{
  height:56px;
  display:flex;
  align-items:center;
  justify-content:center;   /* centered by default (desktop) */
  gap:8px;
}

/* ---------- Layout ---------- */
main{
  display:grid;
  grid-template-columns:280px 1fr;
  min-height:calc(100vh - 56px);
}
aside{
  border-right:1px solid var(--line);
  padding:12px;
  background:#fff;
}
.menu{
  display:grid;
  gap:6px;
  max-height:calc(100vh - 120px);
  overflow:auto;
  padding-right:4px;
}
aside a.btn{
  display:block;
  padding:6px 8px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:#111827;
  font-size:13px;
  line-height:1.2;
}

.page{ padding:12px; }
.section{
  padding:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin:0 0 12px 0;
}

/* ---------- Slides ---------- */
.slide-frame{
  position:relative;
  width:100%;
  max-width:1920px;
  margin:0 auto;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:16/9;
}
.slide-image{
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
}

/* ---------- Footer ---------- */
.footer{
  border-top:1px solid var(--line);
  padding:10px 0;
  margin-top:10px;
  background:#fff;
}
.footer-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.internal{ font-style:italic; color:#9ca3af; }
.badge-internal{
  margin-left:8px;
  font-size:12px;
  padding:2px 6px;
  border-radius:999px;
  border:1px solid #f59e0b;
  color:#92400e;
  background:#fffbeb;
}

/* ---------- Top Navigation (desktop) ---------- */
#apg-topnav{
  display:flex;
  align-items:center;
  justify-content:center;
  max-width:100%;
}
.topnav{
  display:flex;
  gap:8px;
  align-items:center;
  flex-wrap:wrap;
  margin:0;
  padding:0;
}
.topnav>li{ list-style:none; position:relative; }
.topnav>li>a{
  display:block;
  padding:8px 10px;
  border-radius:8px;
  border:1px solid var(--line);
  color:#111827;
  background:transparent;
  text-decoration:none;
  white-space:nowrap;
}
.topnav>li>a:hover{ background:#f3f4f6; }
.topnav>li.has-children>a::after{ content:"▾"; margin-left:6px; font-size:12px; }
.topnav>li .dropdown{
  display:none;
  position:absolute;
  left:0;
  top:calc(100% + 6px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  min-width:220px;
  box-shadow:0 8px 24px rgba(0,0,0,.08);
  padding:6px;
  z-index:99;
}
.topnav>li .dropdown>li{ list-style:none; }
.topnav>li .dropdown a{
  display:block;
  padding:6px 8px;
  border-radius:8px;
  color:#111827;
  white-space:nowrap;
  text-decoration:none;
}
.topnav>li .dropdown a:hover{ background:#f3f4f6; }
@media(hover:hover){ .topnav>li:hover>.dropdown{ display:block; } }
.topnav>li.open>.dropdown{ display:block; }
.topnav>li.has-children>a{ touch-action:manipulation; }

/* ---------- Active Link Styling ---------- */
a.active{ font-weight:600; text-decoration:underline; }

/* Top nav: dropdown items + simple top-level (not group headers) */
#apg-topnav .topnav > li:not(.has-children) > a.active,
#apg-topnav .dropdown a.active{
  background:var(--green);
  color:#ffffff;
  border-color:var(--green-dark);
}

/* Sidebar: left menu */
#apg-sidebar-slot a.active{
  background:#ecfdf5;
  border-color:#34d399;
}

/* Overlay (index quick nav) */
#overlay-list .active{
  background:#eef2ff;
  border-color:#93c5fd;
}

/* ---------- Mobile/Tablet (<=1024px): hide topnav & use drawer ---------- */
.mobile-menu-btn{ display:none !important; } /* hidden by default (desktop) */

@media (max-width:1024px){
  /* Header layout on small screens */
  nav{ height:48px; justify-content:space-between; }

  /* Hide the top nav links; rely on the Menu (drawer) */
  #apg-topnav{ display:none !important; }

  /* Show the Menu button */
  .mobile-menu-btn{
    display:inline-flex !important;
    align-items:center;
    gap:6px;
    padding:6px 10px;
    border:1px solid var(--line);
    border-radius:8px;
    background:#fff;
    color:#111827;
    font-size:14px;
    line-height:1;
  }
  .mobile-menu-btn .icon{ font-size:18px; line-height:1; }

  /* Sidebar as off-canvas drawer */
  main{ grid-template-columns:1fr; }
  #apg-sidebar-slot{
    position:fixed;
    z-index:1000;
    top:48px;
    bottom:0;
    left:0;
    width:82vw;
    max-width:340px;
    background:#fff;
    border-right:1px solid var(--line);
    transform:translateX(-100%);
    transition:transform .25s ease;
    overflow:auto;
    padding:12px;
  }
  .drawer-open #apg-sidebar-slot{ transform:none; }
  .drawer-open{ overflow:hidden; }
}

/* ---------- Responsive override for extreme small screens ---------- */
@media (max-width:360px){
  .mobile-menu-btn{ font-size:13px; padding:6px 8px; }
}