/* ===============================
   ITWIN DEMO (itwin-demo.js)
   Bentley iTwin sample (iModels + reality mesh) in the Assets section
   =============================== */

.itwin-demo {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.itwin-demo-views {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
}

.itwin-demo-views[hidden],
.itwin-demo .modern-hint[hidden] {
  display: none;
}

.itwin-demo .modern-btn i[data-lucide],
.itwin-demo .modern-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.itwin-demo-view-btn {
  justify-content: flex-start;
}

.itwin-demo-view-btn:focus-visible,
.itwin-demo-load-btn:focus-visible {
  outline: 2px solid var(--brand-teal);
  outline-offset: 2px;
}

/* Your iModels (itwin-models.js): Bentley sign-in + own iModel by ID */
.itwin-account {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-subtle);
}

.itwin-account [hidden],
.itwin-account-signed[hidden] {
  display: none;
}

.itwin-account-signed {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.itwin-account-state {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 12px;
  color: var(--text-secondary);
}

.itwin-signout-btn {
  padding: 2px var(--space-xs);
  border: none;
  background: none;
  color: var(--brand-teal);
  font: inherit;
  cursor: pointer;
}

.itwin-load-row {
  display: flex;
  gap: var(--space-xs);
}

.itwin-load-row .zoffset-input-box {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono, monospace);
  font-size: 12px;
}

.itwin-load-btn {
  flex: none;
}

.itwin-account .modern-btn i[data-lucide],
.itwin-account .modern-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.itwin-project-row {
  display: flex;
  gap: var(--space-xs);
}

.itwin-project-row .modern-select {
  flex: 1;
  min-width: 0;
}

.itwin-refresh-btn {
  flex: none;
  padding: 0 var(--space-sm);
}

.itwin-refresh-btn svg {
  width: 14px;
  height: 14px;
}

.itwin-refresh-btn.is-spinning svg {
  animation: itwin-spin 1s linear infinite;
}

@keyframes itwin-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .itwin-refresh-btn.is-spinning svg {
    animation: none;
  }
}

.itwin-imodel-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 240px;
  overflow-y: auto;
}

.itwin-imodel-list.is-busy {
  opacity: 0.6;
  pointer-events: none;
}

.itwin-imodel-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 32px;
  padding: var(--space-xs) var(--space-sm);
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}

.itwin-imodel-row:hover:not(:disabled) {
  background: var(--input-bg);
}

.itwin-imodel-row:disabled {
  color: var(--text-muted);
  cursor: default;
}

.itwin-imodel-row.is-loaded {
  background: rgba(var(--brand-teal-rgb), 0.12);
}

.itwin-imodel-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.itwin-imodel-meta {
  flex: none;
  color: var(--text-muted);
  font-size: 11px;
}

.itwin-imodel-row svg {
  flex: none;
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.itwin-imodel-row.is-loaded svg,
.itwin-imodel-row:disabled svg {
  visibility: hidden;
}

.itwin-imodel-row:focus-visible,
.itwin-by-id summary:focus-visible {
  outline: 2px solid var(--brand-teal);
  outline-offset: 1px;
}

.itwin-by-id summary {
  cursor: pointer;
  padding: var(--space-xs) 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.itwin-by-id[open] summary {
  margin-bottom: var(--space-xs);
}

.itwin-model-status.is-error {
  color: var(--error);
}

.itwin-signin-btn:focus-visible,
.itwin-signout-btn:focus-visible,
.itwin-refresh-btn:focus-visible,
.itwin-load-btn:focus-visible {
  outline: 2px solid var(--brand-teal);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .itwin-demo-view-btn,
  .itwin-demo-load-btn,
  .itwin-signin-btn,
  .itwin-load-btn,
  .itwin-signout-btn {
    min-height: 44px;
  }

  .itwin-load-btn,
  .itwin-refresh-btn {
    min-width: 44px;
    min-height: 44px;
  }

  .itwin-imodel-row,
  .itwin-by-id summary {
    min-height: 44px;
  }
}

/* itwin-callback.html */
.itwin-callback-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  background: var(--bg-surface);
  color: var(--text-primary);
}

.itwin-callback {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  max-width: 480px;
  padding: var(--space-lg);
  text-align: center;
}

.itwin-callback-message.is-error {
  color: var(--error);
}

.itwin-callback-back[hidden] {
  display: none;
}