*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 {
  font-family: "Bricolage Grotesque", ui-sans-serif, sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

/* CRITICAL FOR MOBILE: touch-action: manipulation removes the 300ms tap delay */
button, input, select, textarea { 
  font-family: inherit; 
  color: inherit; 
  touch-action: manipulation; 
}
button { cursor: pointer; }

/* Utility */
.btn {
  background: transparent;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  transition: background-color 160ms ease, border-color 160ms ease, transform 100ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn:hover { background: var(--bg-elev-2); }
.btn:active { transform: translateY(1px); }
.btn-ghost { color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 12px var(--accent-soft);
}
.btn-primary:hover { background: var(--accent-hover); }
.icon-btn {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  transition: background-color 140ms ease, color 140ms ease;
}
.icon-btn:hover { background: var(--bg-elev-2); color: var(--text); }
.icon-btn.active { background: var(--accent-soft); color: var(--accent); }

.select {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: border-color 140ms ease;
}
.select:focus { border-color: var(--accent); }

.divider { width: 1px; height: 22px; background: var(--border); margin: 0 6px; }

.dot { width: 3px; height: 3px; border-radius: 999px; background: var(--text-faint); display: inline-block; margin: 0 6px; vertical-align: middle; }

/* Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }
::-webkit-scrollbar-track { background: transparent; }

/* Toast */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elev-3);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: var(--shadow-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 1000;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Focus indicators */
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Custom selection color */
::selection { background: var(--accent-soft); color: var(--text); }

/* =========================================
   MOBILE RESPONSIVE UTILITIES (MAIN)
========================================= */
@media (max-width: 768px) {
  /* Move toast up so it doesn't get covered by the new bottom mobile nav */
  .toast {
    bottom: 90px;
  }
  
  /* Slightly larger touch targets for mobile */
  .icon-btn {
    width: 36px;
    height: 36px;
  }
  
  .btn {
    padding: 10px 16px;
  }
  
  .select {
    padding: 8px 12px;
  }
  
  /* Hide scrollbars on mobile for cleaner swiping */
  ::-webkit-scrollbar { 
    width: 4px; 
    height: 4px; 
    display: none; 
  }
}