/* Desktop baseline: DO NOT show mobile UI */
.mobile-nav{display:none !important;}
.hamburger{display:none !important;}


/* Desktop defaults (hide mobile UI) */
.mobile-nav{display:none !important;}
.hamburger{display:none !important;}


/* Minimal global resets that do NOT affect desktop layout */
* { box-sizing: border-box; }
img, video { max-width: 100%; height: auto; display: block; }
a, button { -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }


@media (max-width: 767.98px){
  :root{
    --touch: 44px;
    --bg: #0b1220;
    --bg-elev: #121a2c;
    --text: #f5f7ff;
    --muted: #c7cbe0;
    --border: #1e2740;
    --accent: #3b82f6;
  }
  /* Touch targets */
  button, .btn, a.button { min-height: var(--touch); padding: 0.7rem 0.9rem; line-height: 1.2; }

  /* Containers and cards */
  .container { padding-left: 1rem; padding-right: 1rem; }
  .card { border-radius: 16px; background: var(--bg-elev) !important; border-color: var(--border) !important; color: var(--text) !important; }
  .card p { line-height: 1.6; }
  html, body { background: var(--bg) !important; color: var(--text) !important; }

  .muted { color: var(--muted) !important; }
  header, .header { background: var(--bg-elev) !important; border-bottom: 1px solid var(--border) !important; }

  /* Grids */
  .grid { display: grid; gap: 1rem; }
  .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; }

  /* Header nav: switch to hamburger */
  .hamburger { 
    display:inline-flex; align-items:center; justify-content:center;
    width:44px; height:44px; border:1px solid var(--border); 
    border-radius:10px; background: var(--bg-elev); color: var(--text);
  }
  .hamburger span { display:block; width:22px; height:2px; background: currentColor; position: relative; }
  .hamburger span::before, .hamburger span::after{
    content:""; position:absolute; left:0; width:22px; height:2px; background: currentColor;
  }
  .hamburger span::before{ top:-7px; } .hamburger span::after{ top:7px; }
  .mobile-nav { display:none; }
  .mobile-nav.open { display:block; padding:8px 0; }
  header nav, .header nav { display:none; } /* hide inline nav only on mobile */

  /* Tables: horizontal scroll */
  .table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-wrapper .table { min-width: 640px; }
  .table { color: var(--text) !important; }
  .table th, .table td { border-color: var(--border) !important; padding: 0.6rem 0.5rem; }

  /* Inputs */
  input, select, textarea {
    background: #0f1730 !important; color: var(--text) !important; border: 1px solid var(--border) !important;
    width: 100%;
  }

  /* Bill tool stacks */
  .controls, .toolbar, .actions, form .row { display: grid; grid-template-columns: 1fr; gap: 0.5rem; }

  /* Typography clamp on mobile only */
  h1 { font-size: clamp(1.5rem, 4.5vw + 0.2rem, 2.25rem); line-height: 1.2; }
  h2 { font-size: clamp(1.25rem, 3.5vw + 0.2rem, 1.75rem); line-height: 1.25; }
  h3 { font-size: clamp(1.125rem, 2.5vw + 0.2rem, 1.5rem); line-height: 1.3; }
  body { font-size: clamp(1rem, 2.2vw + 0.2rem, 1.0625rem); line-height: 1.6; }

  /* Ad placeholder (optional) */
  .ad-slot { min-height: 280px; display: block; }
}
/* Hide hamburger on desktop */
@media (min-width: 768px){
  .hamburger { display:none; }
}


@media (max-width: 767.98px){
  /* Show hamburger and dropdown only on mobile */
  .hamburger{ 
    display:inline-flex !important; align-items:center; justify-content:center;
    width:44px; height:44px; border:1px solid var(--border, #1e2740); 
    border-radius:10px; background: var(--bg-elev, #121a2c); color: var(--text, #fff);
  }
  .hamburger span{ display:block; width:22px; height:2px; background: currentColor; position: relative; }
  .hamburger span::before, .hamburger span::after{
    content:""; position:absolute; left:0; width:22px; height:2px; background: currentColor;
  }
  .hamburger span::before{ top:-7px; } .hamburger span::after{ top:7px; }
  /* Hide the desktop inline nav on mobile to avoid duplication */
  header nav, .header nav{ display:none !important; }
  /* Mobile dropdown container */
  .mobile-nav{ display:none; padding:8px 0; }
  .mobile-nav.open{ display:block; }
}



/* --- Mobile quick links under title (no hamburger) --- */
.mobile-quick-links{ display:none; }
@media (max-width: 767.98px){
  /* hide desktop inline nav on mobile to avoid duplicates */
  header nav, .header nav{ display:none !important; }
  .mobile-quick-links{
    display:flex; gap:.5rem; flex-wrap:wrap; padding:.5rem 0; margin-top:.25rem;
  }
  .mobile-quick-links a{
    display:inline-block; padding:.55rem .75rem; border:1px solid var(--border, #1e2740);
    border-radius:10px; background: var(--bg-elev, #121a2c); color: var(--text, #e8ecff);
    text-decoration:none; font-size:0.95rem;
  }
  .mobile-quick-links a:active{ transform: translateY(1px); }
}