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

html, body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  height: 100vh;
  overflow: hidden; /* Mobile app feel */
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 2.25rem; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

a {
  color: var(--brand-neon);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brand-primary);
}

#app-root {
  width: 100%;
  height: 100%;
  position: relative;
  overflow-y: auto;
  padding-bottom: 80px; /* Space for role switcher */
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}