/* ============================================================
   ACTION MARK — Base / Reset / Tipografia
   ============================================================ */

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

html, body { height: 100%; }

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv11', 'ss01';
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* Numeri tabulari ovunque servano allineati (telemetria, coordinate) */
.tnum, .mono { font-variant-numeric: tabular-nums; }
.mono { font-family: var(--font-mono); letter-spacing: -0.01em; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
svg { display: block; }

/* Etichette micro (uppercase, tracciate) — firma tipografica del progetto */
.eyebrow {
  font-size: var(--fs-micro);
  font-weight: var(--fw-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

::selection { background: var(--accent-soft); color: var(--accent-dim); }

/* Scrollbar discrete */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--r-pill);
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--slate); background-clip: padding-box; }

/* Focus visibile e raffinato */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* Utility */
.hidden { display: none !important; }
.flex { display: flex; }
.col { flex-direction: column; }
.center { align-items: center; justify-content: center; }
.between { justify-content: space-between; }
.gap-1 { gap: var(--sp-1); }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.grow { flex: 1; min-height: 0; min-width: 0; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Animazioni condivise */
@keyframes am-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes am-rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes am-pulse-ring {
  0%   { transform: scale(0.9); opacity: 0.7; }
  70%  { transform: scale(2.4); opacity: 0; }
  100% { opacity: 0; }
}
@keyframes am-spin { to { transform: rotate(360deg); } }
@keyframes am-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}