/* Base reset + typography */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: var(--font-size-base); }
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

h1, h2, h3, h4 { font-weight: var(--fw-semibold); line-height: 1.3; letter-spacing: -0.01em; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.3rem; } h3 { font-size: 1.1rem; } h4 { font-size: 1rem; }

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

img { max-width: 100%; display: block; }
button { font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

::selection { background: var(--primary-soft); }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* Utilities */
.flex { display: flex; } .flex-col { flex-direction: column; }
.items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: var(--s1); } .gap-2 { gap: var(--s2); } .gap-3 { gap: var(--s3); } .gap-4 { gap: var(--s4); } .gap-6 { gap: var(--s6); }
.grid { display: grid; }
.mt-2 { margin-top: var(--s2); } .mt-4 { margin-top: var(--s4); } .mt-6 { margin-top: var(--s6); }
.mb-2 { margin-bottom: var(--s2); } .mb-4 { margin-bottom: var(--s4); } .mb-6 { margin-bottom: var(--s6); }
.text-2 { color: var(--text-2); } .text-3 { color: var(--text-3); }
.text-sm { font-size: .86rem; } .text-xs { font-size: .78rem; }
.fw-500 { font-weight: var(--fw-medium); } .fw-600 { font-weight: var(--fw-semibold); } .fw-700 { font-weight: var(--fw-bold); }
.w-full { width: 100%; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-right { text-align: right; } .text-center { text-align: center; }
.capitalize { text-transform: capitalize; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes shimmer { 0% { background-position: -400px 0; } 100% { background-position: 400px 0; } }
.animate-in { animation: fadeUp .3s var(--ease) both; }