*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  overflow-x: hidden;
}
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--accent); color: white; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

.container { width: min(1200px, 92%); margin-inline: auto; }
.flex { display: flex; }
.col { flex-direction: column; }
.gap-1 { gap: var(--s-1); } .gap-2 { gap: var(--s-2); } .gap-3 { gap: var(--s-3); } .gap-4 { gap: var(--s-4); } .gap-6 { gap: var(--s-6); }
.center { display: flex; align-items: center; justify-content: center; }
.between { display: flex; align-items: center; justify-content: space-between; }
.grid { display: grid; }
.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.mono { font-family: ui-monospace, 'SF Mono', Menlo, monospace; }
.hide { display: none !important; }

@media (max-width: 768px) {
  .mobile-block { display: flex !important; }
}

.scroll-area { overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
.scroll-area::-webkit-scrollbar { width: 8px; height: 8px; }
.scroll-area::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }