/* ============================================================
   BASE — Reset, typography defaults, scrollbars, utilities
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--text-disabled); }

/* Typography */
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; }

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p { color: var(--text-secondary); }

a {
  color: var(--gold);
  text-decoration: none;
  transition: opacity var(--transition);
}
a:hover { opacity: 0.8; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition);
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

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

ul { list-style: none; }

/* ── Utility classes ── */

.hidden { display: none !important; }
.invisible { visibility: hidden; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

.text-gold    { color: var(--gold); }
.text-green   { color: var(--green); }
.text-red     { color: var(--red); }
.text-muted   { color: var(--text-secondary); }
.text-disabled{ color: var(--text-disabled); }
.text-center  { text-align: center; }
.text-right   { text-align: right; }

.font-display { font-family: var(--font-display); }
.font-tabular { font-variant-numeric: tabular-nums; }

.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center{ align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-1 { gap: var(--sp-1); }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.gap-8 { gap: var(--sp-8); }

.w-full { width: 100%; }
.min-w-0 { min-width: 0; }

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

/* Fade-in animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 200ms ease forwards; }

/* Counter animation */
@keyframes countUp {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Spin animation */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Pulse animation */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* Green flash */
@keyframes greenFlash {
  0%   { background: var(--green); }
  100% { background: transparent; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}