/* Mobile UI — mobile-first rebuild (clean, minimal, accessible) */
/* Mobile rules apply below 761px; desktop uses the global stylesheet. */

/* Reset / base */
html,body{margin:0;padding:0;font-family:var(--f-body);-webkit-font-smoothing:antialiased;overflow-x:hidden;max-width:100%}
*,*::before,*::after{box-sizing:border-box}
html,body{-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;text-size-adjust:100%}
html{-webkit-tap-highlight-color:transparent}
body{font-size:16px;line-height:1.45;color:var(--text);background:var(--bg)}

/* Prevent iOS Safari auto-zoom on focus: inputs must be >= 16px */
input,textarea,select{font-size:16px}

@media(max-width:760px){
  /* Fixed top navigation (mobile) */
  nav{position:fixed;top:0;left:0;right:0;height:56px;display:flex;align-items:center;z-index:1300;background:transparent;border-bottom:none;padding:8px 10px}
  .wrap.row{display:flex;align-items:center;justify-content:space-between;width:100%;padding:0 10px;max-width:820px;margin:0 auto;background:var(--surface);border-radius:12px;border:1px solid var(--border);box-shadow:0 8px 24px rgba(0,0,0,0.14)}
  .logo{font-size:18px;max-width:62%;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-left:6px}
  .nav-links.desktop-only{display:none !important}
  .nav-right .btn.desktop-only{display:none !important}
  .hamburger{display:flex;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);background:var(--surface);align-items:center;justify-content:center;z-index:1400;color:#fff}

  /* Drawer (slide-in) */
  #drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:1190;opacity:0;pointer-events:none;transition:opacity .28s ease}
  #drawer-overlay.open{opacity:1;pointer-events:auto}
  #drawer{position:fixed;top:0;right:0;bottom:0;width:min(76vw,300px);max-width:320px;background:var(--surface);border-left:1px solid var(--border);z-index:1200;transform:translateX(100%);transition:transform .34s cubic-bezier(.22,1,.36,1);padding:72px 16px 28px;overflow:auto}
  #drawer.open{transform:translateX(0)}
  #drawer ul{padding:0;margin:0}
  #drawer ul li{list-style:none;margin-bottom:6px}
  #drawer ul li a{display:block;padding:14px 8px;font-size:16px;color:var(--text);border-bottom:1px solid rgba(255,255,255,0.03)}
  #drawer .btn{display:block;margin-top:14px}

  /* Ensure main content is visible below nav */
  html{scroll-padding-top:72px}

  /* Hide heavy decorative elements on small screens for battery / clarity */
  #loader,#cursor-dot,#cursor-ring,#network-canvas,#glow-spot{display:none !important}
  .grid-overlay{display:none !important}

  /* Bottom navigation */
  .bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:1050;background:var(--surface);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:8px 6px}
  .bn-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-dim);font-size:11.5px;padding:8px 6px}

  /* Buttons / tap targets */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:10px;font-size:15px}
  .nav-right .theme-toggle{width:44px;height:44px}

  /* Typography */
  h1{font-size:28px;line-height:1.12}
  h2{font-size:20px}
  p{font-size:15px;color:var(--text-muted)}

  /* Footer spacing to avoid overlap */
  body.has-bottom-nav{padding-bottom:110px}
  footer{padding:40px 0 80px}
}

/* Reduce animation on mobile for battery / performance */
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}

/* Extra small phones: tighten spacing */
@media(max-width:380px){
  nav{height:52px;padding:0 8px}
  .wrap.row{padding:0 8px}
  .hamburger{width:40px;height:40px}
  #drawer{width:min(86vw,300px);padding-top:68px}
}

/* Force boxed, centered nav across all pages (high specificity to override inline styles) */
nav > .wrap.row, nav .wrap.row {
  max-width:820px !important;
  margin-left:auto !important;
  margin-right:auto !important;
  background:var(--surface) !important;
  border-radius:12px !important;
  border:1px solid var(--border) !important;
  box-shadow:0 8px 24px rgba(0,0,0,0.14) !important;
  padding:0 10px !important;
}

/* Ensure nav visual constraints apply even if pages include inline nav blocks */
nav, nav * {box-sizing: border-box}