.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  backdrop-filter: blur(2px);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--md-sys-color-surface);
  width: 900px;
  max-width: 90%;
  height: 85%;
  border-radius: var(--md-sys-shape-dialog);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.2s;
}
.modal-overlay.open .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 24px;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--md-sys-color-on-surface);
}

.modal-content {
  padding: 24px 32px;
  overflow-y: auto;
  flex: 1;
  line-height: 1.7;
  color: var(--md-sys-color-on-surface-variant);
}