/* --- MODAL --- */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--modal-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) ease,
              visibility var(--duration-normal) ease;
}

.modal-overlay[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.92) translateY(12px);
  transition: transform var(--duration-slow) var(--ease-out);
  position: relative;
}

.modal-overlay[aria-hidden="false"] .modal-card {
  transform: scale(1) translateY(0);
}

/* --- Modal header --- */

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-xl) 0;
}

.modal-demo-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--teal);
  background: var(--teal-soft);
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.modal-close {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--text-secondary);
  background: var(--bg-mid);
  border-radius: var(--radius-md);
  margin-left: var(--space-md);
  transition: color var(--duration-fast) ease,
              background var(--duration-fast) ease;
}

.modal-close:hover {
  color: var(--text);
  background: var(--border);
}

/* --- Modal body --- */

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

.modal-section {
  margin-bottom: var(--space-lg);
}

.modal-section:last-child {
  margin-bottom: 0;
}

.modal-section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.modal-section-label-siso {
  color: var(--green-light);
}

.modal-section-label-react {
  color: var(--gold);
}

.modal-section-text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text);
}

.modal-section-text code {
  font-size: 0.85em;
  background: var(--bg-mid);
  padding: 0.1em 0.35em;
  border-radius: var(--radius-sm);
  color: var(--teal);
}

/* --- Don't show again --- */

.modal-footer {
  padding: 0 var(--space-xl) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-dismiss-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.modal-dismiss-checkbox {
  width: 15px;
  height: 15px;
  accent-color: var(--teal);
}

.modal-close-btn {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-inverse);
  background: var(--teal);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) ease;
}

.modal-close-btn:hover {
  background: var(--green-light);
}

/* --- Reduced motion --- */

@media (prefers-reduced-motion: reduce) {
  .modal-overlay,
  .modal-card {
    transition: none;
  }
}

/* --- Responsive --- */

@media (max-width: 600px) {
  .modal-overlay {
    padding: var(--space-md);
    align-items: flex-end;
  }

  .modal-card {
    max-height: 90vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }
}