/* ═══════════════════════════════════════════════════════
   Base Styles — Reset + Global
   ═══════════════════════════════════════════════════════ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Selection */
::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Hidden utility */
.hidden {
  display: none !important;
}

/* No select */
.no-select {
  user-select: none;
  -webkit-user-select: none;
}

/* Platform default visibility */
.platform-desktop,
.platform-ios {
  display: none;
}

.platform-desktop.visible,
.platform-ios.visible {
  display: flex;
}