.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(1, 22, 39, 0.55);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

.modal-backdrop.open .modal {
  transform: scale(1) translateY(0);
}

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

.modal--xl { max-width: min(960px, 96vw); }

.modal__header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
}

.modal__title {
  font-size: var(--font-size-xl);
  color: var(--color-navy);
}

.modal__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.modal__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.modal__close:hover {
  background: var(--color-bg);
  color: var(--color-navy);
}

.modal__body {
  padding: var(--space-xl);
  overflow-y: auto;
}

.modal__footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}