/* ── 2. Reset & Base ──────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-optical-sizing: auto;
  background: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

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

ul,
ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--r-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* ── 3. Typography ────────────────────────────────────────── */
.font-mono {
  font-family: 'DM Mono', 'Fira Code', monospace;
}

.text-xs {
  font-size: 11px;
}

.text-sm {
  font-size: 12px;
}

.text-base {
  font-size: 14px;
}

.text-lg {
  font-size: 16px;
}

.text-xl {
  font-size: 18px;
}

.text-2xl {
  font-size: 22px;
}

.text-3xl {
  font-size: 28px;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.text-muted {
  color: var(--text-secondary);
}

.text-dim {
  color: var(--text-tertiary);
}

.text-brand {
  color: var(--brand);
}

.text-indigo {
  color: var(--indigo);
}

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── 24. Utilities ────────────────────────────────────────── */
.flex {
  display: flex;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: 8px;
}

.gap-3 {
  gap: 12px;
}

.gap-4 {
  gap: 16px;
}

.w-full {
  width: 100%;
}

.mt-2 {
  margin-top: 8px;
}

.mt-4 {
  margin-top: 16px;
}

.mt-6 {
  margin-top: 24px;
}

.mb-2 {
  margin-bottom: 8px;
}

.mb-4 {
  margin-bottom: 16px;
}

.hidden {
  display: none !important;
}

.grid {
  display: grid;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}