/* PinPad Component */
.pin-pad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-4);
}

.pin-dots {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  height: 40px;
}
.pin-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  background: transparent;
  transition: all var(--transition-fast);
}
.pin-dot.filled {
  background: var(--color-primary);
  transform: scale(1.15);
}
.pin-dot.error {
  border-color: var(--color-danger);
  background: var(--color-danger);
  animation: shake .4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0) scale(1.15); }
  20%       { transform: translateX(-5px) scale(1.15); }
  40%       { transform: translateX(5px) scale(1.15); }
  60%       { transform: translateX(-3px) scale(1.15); }
  80%       { transform: translateX(3px) scale(1.15); }
}

.pin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  width: 100%;
  max-width: 280px;
}
.pin-key {
  aspect-ratio: 1;
  border-radius: var(--radius-full);
  background: var(--color-surface-alt);
  border: 1.5px solid var(--color-border);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.pin-key:hover  { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }
.pin-key:active { transform: scale(0.9); background: var(--color-primary); color: #fff; }
.pin-key.delete { font-size: 20px; background: transparent; border-color: transparent; }
.pin-key.delete:hover { background: #FEE2E2; color: var(--color-danger); border-color: transparent; }
.pin-key.empty  { visibility: hidden; cursor: default; }

.pin-message {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  min-height: 20px;
}
.pin-message.error { color: var(--color-danger); }