.overlay {
  position: fixed;
  inset: 0;
  background: rgba(var(--shadow-rgb), 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  animation: fadeIn 0.2s ease;
}

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

.modal {
  background: var(--bg-card);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(var(--shadow-rgb), 0.2);
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: slideIn 0.3s ease;
  border: 1px solid var(--border);
}

@keyframes slideIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal.small {
  width: 100%;
  max-width: 400px;
}

.modal.medium {
  width: 100%;
  max-width: 600px;
}

.modal.large {
  width: 100%;
  max-width: 900px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-display);
}

.closeButton {
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.closeButton:hover {
  background: var(--bg-secondary);
  color: var(--brand);
}

.content {
  overflow-y: auto;
  flex: 1;
}

/* Scrollbar styles */
.content::-webkit-scrollbar {
  width: 8px;
}

.content::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.content::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.content::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

@media (max-width: 640px) {
  .overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal {
    width: 100%;
    max-width: 100%;
    /* Bottom sheet sized against the overlay (which tracks the visual
       viewport), NOT vh: when the keyboard is open the overlay is short, so
       max-height:100% keeps the whole sheet — input and results — above the
       keyboard. min-height gives a comfortable default without a tiny stub,
       but is capped at 100% so it never exceeds the visible area. */
    min-height: min(55vh, 100%);
    max-height: 100%;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    animation: slideUp 0.3s ease;
  }

  @keyframes slideUp {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }

  .header {
    padding: 1rem;
  }
}
