.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1100;
  padding: var(--space-4);
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-pop 180ms ease;
}

.modal-box.modal-lg {
  max-width: 720px;
}

.modal-box.modal-xl {
  max-width: 1080px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-strong);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 0.95rem;
  color: var(--color-text-faint);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-surface-alt);
  color: var(--color-danger);
}

.modal-body {
  padding: var(--space-5);
}

.modal-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-start;
  gap: var(--space-3);
}

@keyframes modal-pop {
  from {
    transform: scale(0.97) translateY(4px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}