/* Shared application shell and reusable page primitives. */
.site-shell {
  min-width: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--ui-color-canvas);
  color: var(--ui-color-text);
}

.site-shell__nav {
  min-width: 0;
  min-height: var(--ui-header-height);
  padding-inline: var(--ui-page-gutter);
  border-color: var(--ui-color-border);
}

.ui-container,
.ui-container-wide,
.ui-container-reading {
  width: 100%;
  min-width: 0;
  margin-inline: auto;
  padding-inline: var(--ui-page-gutter);
}

.ui-container { max-width: var(--ui-container-standard); }
.ui-container-wide { max-width: var(--ui-container-wide); }
.ui-container-reading { max-width: var(--ui-container-reading); }

.ui-page-header {
  display: flex;
  min-width: 0;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--ui-space-4);
  padding-block: var(--ui-space-6) var(--ui-space-5);
  border-bottom: 1px solid var(--ui-color-border);
}

.ui-page-heading {
  min-width: 0;
}

.ui-page-title {
  margin: 0;
  color: var(--ui-color-text);
  font-size: var(--ui-font-size-page);
  font-weight: 700;
  line-height: var(--ui-line-height-tight);
  letter-spacing: 0;
}

.ui-page-description {
  max-width: 720px;
  margin: var(--ui-space-2) 0 0;
  color: var(--ui-color-text-secondary);
  font-size: var(--ui-font-size-md);
  line-height: var(--ui-line-height-body);
}

.ui-page-actions,
.ui-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ui-space-2);
}

.ui-toolbar {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--ui-space-3);
  padding-block: var(--ui-space-4);
}

.ui-panel {
  min-width: 0;
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-panel);
  background: var(--ui-color-surface);
}

.ui-empty-state {
  display: grid;
  min-height: 220px;
  place-items: center;
  padding: var(--ui-space-10) var(--ui-space-6);
  border: 1px dashed var(--ui-color-border-strong);
  border-radius: var(--ui-radius-panel);
  background: var(--ui-color-surface-muted);
  color: var(--ui-color-text-secondary);
  text-align: center;
}

.ui-empty-state > div { max-width: 440px; }
.ui-empty-state h2,
.ui-empty-state h3 {
  margin: 0 0 var(--ui-space-2);
  color: var(--ui-color-text);
  font-size: var(--ui-font-size-lg);
  letter-spacing: 0;
}
.ui-empty-state p { margin: 0; line-height: var(--ui-line-height-body); }
.ui-empty-state .primary-button,
.ui-empty-state .ghost-button { margin-top: var(--ui-space-4); }

.ui-status {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-control);
  background: var(--ui-color-surface-muted);
  color: var(--ui-color-text-secondary);
  font-size: var(--ui-font-size-xs);
  font-weight: 600;
}

.ui-status.is-success { border-color: color-mix(in oklch, var(--success) 35%, var(--ui-color-border)); color: var(--success); }
.ui-status.is-warning { border-color: color-mix(in oklch, var(--warning) 35%, var(--ui-color-border)); color: var(--warning); }
.ui-status.is-danger { border-color: color-mix(in oklch, var(--danger) 35%, var(--ui-color-border)); color: var(--danger); }

body:not(.create-page):not(.ecom-canvas-page) .feed-toolbar {
  min-width: 0;
  border-color: var(--ui-color-border);
  border-radius: var(--ui-radius-panel);
  background: var(--ui-color-surface);
}

body:not(.create-page):not(.ecom-canvas-page) .panel-card {
  min-width: 0;
  border-color: var(--ui-color-border);
  border-radius: var(--ui-radius-panel);
  background: var(--ui-color-surface);
  box-shadow: var(--ui-shadow-subtle);
}

.fl-logo-light,
.fbl-logo-light { display: block; }
.fl-logo-dark,
.fbl-logo-dark { display: none; }
html.dark-mode .fl-logo-light,
html.dark-mode .fbl-logo-light { display: none; }
html.dark-mode .fl-logo-dark,
html.dark-mode .fbl-logo-dark { display: block; }

.footer-logo img { display: block; width: auto; height: 28px; }
.footer-bottom-logo img { display: block; width: auto; height: 20px; }

.chat-float-btn {
  position: fixed;
  top: 50%;
  right: 16px;
  z-index: var(--ui-z-float);
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--ui-color-accent);
  box-shadow: var(--ui-shadow-raised);
  color: #fff;
  cursor: pointer;
  transform: translateY(-50%);
  transition: transform var(--ui-duration-fast) var(--ui-ease-out), box-shadow var(--ui-duration-fast) var(--ui-ease-out);
}

.chat-float-btn:hover { transform: translateY(-50%) scale(1.06); }
.chat-float-btn svg { width: 24px; height: 24px; }

.chat-float-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--ui-z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--ui-page-gutter);
  background: rgba(0, 0, 0, 0.52);
}

.chat-float-overlay.show { display: flex; }

.chat-float-modal {
  width: min(100%, 320px);
  padding: 28px 24px 22px;
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-panel);
  background: var(--ui-color-surface);
  box-shadow: var(--shadow-lg);
  color: var(--ui-color-text);
  text-align: center;
  animation: shellModalIn var(--ui-duration-normal) var(--ui-ease-out);
}

@keyframes shellModalIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-float-modal img {
  display: block;
  width: 200px;
  height: 200px;
  margin: 12px auto;
  border-radius: var(--ui-radius-media);
  object-fit: cover;
}

.chat-float-modal h3 {
  margin: 0 0 4px;
  color: var(--ui-color-text);
  font-size: var(--ui-font-size-lg);
  letter-spacing: 0;
}

.chat-float-modal p {
  margin: 0 0 12px;
  color: var(--ui-color-text-secondary);
  font-size: var(--ui-font-size-sm);
}

.chat-float-close {
  min-height: var(--ui-control-sm);
  margin-top: 8px;
  padding: 6px 16px;
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-control);
  background: var(--ui-color-surface-muted);
  color: var(--ui-color-text);
  font: inherit;
  font-size: var(--ui-font-size-sm);
  cursor: pointer;
}

.chat-float-close:hover { border-color: var(--ui-color-border-strong); }

@media (max-width: 768px) {
  .ui-page-header {
    align-items: flex-start;
    flex-direction: column;
    padding-block: var(--ui-space-5) var(--ui-space-4);
  }

  .ui-page-actions,
  .ui-toolbar-actions { width: 100%; }

  .ui-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .chat-float-btn {
    top: auto;
    right: 12px;
    bottom: 132px;
    width: 44px;
    height: 44px;
    transform: none;
  }

  .chat-float-btn:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .chat-float-modal { animation: none; }
}