/* ============================================================
   Base — reset, typography, layout primitives
   ============================================================ */

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

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: var(--font-text);
  background: var(--bg-page);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
  overflow: hidden;
}

#app {
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
}

button {
  font-family: inherit;
  color: inherit;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
}

input, textarea, select {
  font-family: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.18);
}
:root[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
}

/* Utility */
.row { display: flex; align-items: center; gap: var(--sp-3); }
.col { display: flex; flex-direction: column; gap: var(--sp-3); }
.wrap { flex-wrap: wrap; }
.muted { color: var(--text-3); }
.mono { font-family: var(--font-mono); }

/* Icon container */
.icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}