/* Mobile-first responsiveness and Android-friendly touch improvements */

:root {
  --touch-pad: 14px;
  --max-content-width: 1200px;
}

/* make body fluid and comfortable on small screens */
html, body {
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-size-adjust:100%;
  font-size: 16px;
  line-height: 1.35;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

/* global container helper */
.container, .wrap, .wrapper {
  width: 100%;
  max-width: var(--max-content-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
  box-sizing: border-box;
}

/* make menus and grids flexible */
.display-row, .chat-container, .products-row, .grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ensure panels stack naturally on small screens */
.panel, .product-panel, .card {
  width: 100%;
  box-sizing: border-box;
}

/* Canvas friendly sizing: respect aspect ratio and not overflow */
canvas {
  width: 100% !important;
  height: auto !important;
  display: block;
  background: #000;
  image-rendering: optimizeSpeed;
  touch-action: none; /* better touch behaviour for interactive canvases */
}

/* Specific: Vigis canvases - allow stacked layout on small screens */
.display-row { align-items: stretch; }
@media (max-width: 900px) {
  .display-row { flex-direction: column; }
  .panel { min-height: 200px; }
}

/* Chat: move to bottom center on small screens and enlarge touch targets */
.chat {
  transition: all 180ms ease;
}
@media (max-width: 720px) {
  .chat {
    left: 50% !important;
    transform: translateX(-50%) !important;
    bottom: 12px !important;
    width: calc(100% - 28px) !important;
    max-width: none !important;
    height: 220px !important;
    border-radius: 10px !important;
  }
  .chat .messages { font-size: 14px; padding: 8px; }
  .chat .input-row { padding: 8px; gap: 8px; }
  .chat input[type="text"] { padding: 12px; font-size: 15px; }
  .chat button { padding: 10px 14px; font-size: 15px; }
}

/* Lunagpt: stack chat and sidebar on small screens */
.chat-container { align-items: flex-start; }
@media (max-width: 900px) {
  .chat-container { flex-direction: column; }
  .sidebar { display: none !important; } /* hide sidebar on mobile */
  .chat-panel { width: 100% !important; max-height: 60vh !important; }
}

/* Navigation: simple hamburger helper (requires JS toggle class) */
.menu { display:flex; gap:12px; align-items:center; }
.menu-toggle { display:none; background:transparent; border:0; font-size:20px; padding:10px; }
@media (max-width: 860px) {
  .menu { display:none; } /* hide default menu */
  .menu-toggle { display:inline-flex; align-items:center; gap:8px; }
  .menu.open { display:flex; flex-direction:column; position:absolute; left:16px; right:16px; top:60px; background:rgba(0,0,0,0.9); padding:12px; border-radius:8px; z-index:1000; }
  .menu a { padding:10px 12px; display:block; border-bottom:1px solid rgba(255,255,255,0.03); }
}

/* Improve buttons for touch */
button, .button, .sx-btn {
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 10px;
  touch-action: manipulation;
}

/* Text scaling for small screens */
@media (max-width:420px) {
  html { font-size: 15px; }
  h1 { font-size: 1.2rem; }
  .small-note { font-size: 13px; }
}

/* small helper for content spacing */
.spaced { margin-top: 12px; margin-bottom: 12px; }