/* Overlay */
.fab-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1100;
  animation: fadeIn 0.2s ease;
}
.fab-overlay.active { display: block; }

/* Bottom Sheet */
.fab-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  background-color: var(--color-surface);
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  padding: 12px 24px 100px;
  z-index: 1101;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}
.fab-sheet.active { transform: translateY(0); }

.fab-sheet-handle {
  width: 40px;
  height: 4px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  margin: 0 auto 24px;
}

.fab-sheet-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 16px;
}

/* Action items */
.fab-action {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  background: none;
  border: none;
  font-family: var(--font-main);
  cursor: pointer;
  transition: background-color 0.15s;
  margin-bottom: 4px;
  text-align: left;
}
.fab-action:active { background-color: var(--color-bg); }

.fab-action-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.fab-action:nth-child(1) .fab-action-icon { background-color: rgba(24, 90, 219, 0.1); }
.fab-action:nth-child(2) .fab-action-icon { background-color: rgba(16, 185, 129, 0.1); }
.fab-action:nth-child(3) .fab-action-icon { background-color: rgba(245, 158, 11, 0.1); }
.fab-action:nth-child(4) .fab-action-icon { background-color: rgba(139, 92, 246, 0.1); }

.fab-action-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 2px;
}
.fab-action-info p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* FAB rotation when open */
.nav-fab.open svg {
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}
.nav-fab svg {
  transition: transform 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}