/* Mobile UI — mobile-first rebuild (clean, minimal, accessible) */
/* This file intentionally targets mobile screens first. Desktop styles are provided
   by the existing global CSS; they will layer on top for larger viewports. */

/* Reset / base */
html,body{margin:0;padding:0;font-family:var(--f-body);-webkit-font-smoothing:antialiased}
*,*::before,*::after{box-sizing:border-box}
body{font-size:16px;line-height:1.45;color:var(--text);background:var(--bg)}

/* Fixed top navigation (mobile) */
.nav{ }
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%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-left:6px}
.nav-links.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}

/* 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 for performance and 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}}

/* Let desktop CSS take over on larger screens */
@media (min-width:761px){
  #drawer{display:none}
  #drawer-overlay{display:none}
  .nav-links.desktop-only{display:flex !important}
  /* restore transparent inner bar on desktop to avoid double styling */
  nav{background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid var(--border);padding:18px 0}
  .wrap.row{background:transparent;border-radius:0;border:0;box-shadow:none;max-width:none;padding:0 32px}
}

/* 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}