/* User tour overlay — coach-mark con spotlight + popover.
   Strategia: overlay full-screen con backdrop nero semi-trasparente;
   lo spotlight è un riquadro a sfondo trasparente con un huge box-shadow
   che oscura tutto il resto del viewport. Il popover sta sopra. */

.utour-overlay {
  position: fixed; inset: 0;
  z-index: 9000;
  background: transparent;
  pointer-events: auto;
  animation: utour-fade-in 200ms var(--ease-out);
}
@keyframes utour-fade-in { from { opacity: 0; } to { opacity: 1; } }

.utour-spotlight {
  position: absolute;
  border-radius: var(--radius-lg);
  /* Buco luminoso = box-shadow gigante invece di SVG mask. Compatibilità ottima. */
  box-shadow: 0 0 0 9999px rgba(15, 23, 42, 0.72);
  pointer-events: none;
  transition: all 280ms var(--ease-out);
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 2px;
}

.utour-popover {
  position: absolute;
  width: min(360px, calc(100vw - 32px));
  background: var(--bg-surface);
  color: var(--fg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: 1;
  animation: utour-pop 220ms var(--ease-out);
}
@keyframes utour-pop {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.utour-popover-arrow {
  position: absolute;
  width: 14px; height: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-right: 0; border-bottom: 0;
  transform: rotate(45deg);
  display: none;
}
.utour-popover[data-arrow="top"] .utour-popover-arrow { display: block; top: -8px; left: calc(50% - 7px); }
.utour-popover[data-arrow="bottom"] .utour-popover-arrow { display: block; bottom: -8px; left: calc(50% - 7px); transform: rotate(225deg); }
.utour-popover[data-arrow="left"] .utour-popover-arrow { display: block; top: calc(50% - 7px); left: -8px; transform: rotate(-45deg); }
.utour-popover[data-arrow="right"] .utour-popover-arrow { display: block; top: calc(50% - 7px); right: -8px; transform: rotate(135deg); }

.utour-popover-body {
  padding: var(--space-4) var(--space-5);
}
.utour-progress {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-primary-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
[data-theme="dark"] .utour-progress,
:root:not([data-theme="light"]) .utour-progress { color: var(--color-primary-300); }
.utour-title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin: 0 0 var(--space-2);
}
.utour-text {
  font-size: var(--fs-sm);
  color: var(--fg-secondary);
  margin: 0;
  line-height: 1.5;
}

.utour-popover-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface-2);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}
.utour-skip {
  background: transparent;
  border: 0;
  color: var(--fg-tertiary);
  font-size: var(--fs-sm);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}
.utour-skip:hover { color: var(--fg-primary); background: var(--bg-surface-3); }

.utour-popover-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.utour-prev {
  width: 32px; height: 32px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--fg-primary);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.utour-prev:hover { background: var(--bg-surface-2); }
.utour-next {
  padding: 8px var(--space-4);
  display: inline-flex; align-items: center; gap: 6px;
}

/* Mobile rifiniture: padding ridotti, font del titolo più stretti.
   La larghezza è già responsive via min(360px, 100vw - 32px) nella regola
   principale del popover. */
@media (max-width: 480px) {
  .utour-popover { width: min(360px, calc(100vw - 24px)); }
  .utour-popover-body { padding: var(--space-3) var(--space-4); }
  .utour-popover-footer {
    padding: var(--space-2) var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .utour-title { font-size: var(--fs-base); }
  .utour-text { font-size: var(--fs-xs); }
  .utour-skip { font-size: var(--fs-xs); }
  /* Su schermi cortissimi (es. iPhone SE landscape) lascia respirare lo
     spotlight: arrotonda meno il radius così le icone bottom-nav rettangolari
     vengono evidenziate meglio */
  .utour-spotlight { border-radius: var(--radius-md); }
}

@media (prefers-reduced-motion: reduce) {
  .utour-overlay, .utour-popover, .utour-spotlight { animation: none; transition: none; }
}