/* Modal — shared base modal overlay, structure, header, body, meta, description, and navigation */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  /* Above everything including nav (100) */
  z-index: 1000;
  background: rgb(0 0 0 / 50%);
  justify-content: center;
  align-items: flex-start;
  padding: 60px 20px;
  overflow-y: auto;
}

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

.modal {
  background: var(--white);
  width: 100%;
  max-width: 800px;
  /* Viewport minus overlay padding (60px top + 60px bottom) */
  max-height: calc(100vh - 120px);
  position: relative;
  box-shadow: 0 8px 32px rgb(0 0 0 / 20%);
  display: flex;
  flex-direction: column;
}

.modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 40px 40px 0;
  gap: 24px;
}

.modal__close {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--gray-600);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal__close:hover {
  color: var(--text-primary);
}

.modal__title {
  font-family: var(--font-family-inter);
  font-size: 24px;
  font-weight: var(--fw-semibold);
  line-height: 32px;
  flex: 1;
}

.modal__body {
  padding: 24px 40px 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  overflow-y: auto;
  flex: 1;
  /* Required for flex children to shrink below content height */
  min-height: 0;
}

.modal__meta {
  display: flex;
  gap: 24px;
  font-family: var(--font-family-inter);
  font-size: var(--fs-small);
  color: var(--gray-650);
}

.modal__meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal__meta-item i {
  color: var(--gray-600);
}

.modal__description {
  font-family: var(--font-family-inter);
  font-size: var(--fs-base);
  line-height: 24px;
  color: var(--text-primary);
}

.modal__description p + p {
  margin-top: 16px;
}

/* Modal Navigation */
.modal__nav {
  display: flex;
  justify-content: space-between;
  padding: 16px 40px;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-100);
}

.modal__nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-family-inter);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--petroleum);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 16px;
  transition: color var(--transition-fast);
}

.modal__nav-btn:hover {
  color: var(--petroleum-800);
}

.modal__nav-btn:disabled {
  color: var(--gray-500);
  cursor: not-allowed;
}

.modal__nav-counter {
  font-family: var(--font-family-inter);
  font-size: var(--fs-small);
  color: var(--gray-650);
  display: flex;
  align-items: center;
}

@media (max-width: 640px) {
  .modal {
    margin: 0;
    min-height: 100vh;
  }

  .modal-overlay {
    padding: 0;
  }

  .modal__header {
    padding: 24px 20px 0;
  }

  .modal__body {
    padding: 16px 20px 24px;
  }

  .modal__nav {
    padding: 12px 20px;
  }
}