/* CU-03 browser sheet. The board's page gutter is the only outer gutter. */
body.browser-pane-open { overflow: hidden; }
[data-browser-open][hidden] { display: none !important; }
.browser-pane[hidden] { display: none; }
.browser-pane {
  position: fixed;
  z-index: calc(var(--cc-z-modal) + 4);
  inset: var(--ui-page-gutter);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--ui-line);
  border-radius: 16px;
  background: var(--ui-bg);
  color: var(--ui-text);
  box-shadow: var(--ui-shadow);
}
body.browser-pane-open::before {
  content: '';
  position: fixed;
  z-index: calc(var(--cc-z-modal) + 3);
  inset: 0;
  background: var(--overlay-bg);
}
.browser-pane__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--ui-line);
}
.browser-pane__header-actions { display: flex; align-items: center; gap: .35rem; }
.browser-pane__header-actions button { min-width: 40px; min-height: 40px; font-size: 1.2rem; }
.browser-pane__header-actions svg { display: block; width: 18px; height: 18px; margin: auto; }
.browser-pane:fullscreen { inset: 0; width: 100%; height: 100%; border: 0; border-radius: 0; }
.browser-pane__eyebrow { color: var(--ui-accent); font: 600 0.7rem var(--font-mono); text-transform: uppercase; letter-spacing: .08em; }
.browser-pane h2 { margin: .2rem 0 0; font-size: 1.15rem; }
.browser-pane__header button { font-size: 1.4rem; }
.browser-pane__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, 24%); min-height: 0; flex: 1; }
.browser-pane__main { display: flex; flex-direction: column; min-width: 0; overflow: auto; padding: 1.25rem; }
.browser-pane__status { display: flex; gap: 1rem; justify-content: space-between; color: var(--ui-text-soft); font-size: .82rem; }
.browser-pane__status span:last-child { color: var(--ui-accent); }
.browser-pane[data-browser-state="waiting_memory"] .browser-pane__status span:last-child { color: var(--ui-warning); }
.browser-pane__screen { display: grid; place-items: center; min-height: 240px; margin-top: .75rem; overflow: hidden; border: 1px solid var(--ui-line); border-radius: 10px; background: var(--ui-panel); }
.browser-pane__screen canvas { display: block; max-width: 100%; width: 100%; height: auto; }
.browser-pane--expanded .browser-pane__body { grid-template-columns: minmax(0, 1fr); }
.browser-pane--expanded .browser-pane__main { overflow: hidden; min-height: 0; }
.browser-pane--expanded .browser-pane__screen { flex: 1 1 auto; min-height: 0; }
.browser-pane--expanded .browser-pane__screen canvas { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.browser-pane__history[hidden] { display: none; }
.browser-pane__screen canvas[hidden], .browser-pane__screen p[hidden] { display: none; }
.browser-pane__screen p { padding: 1rem; color: var(--ui-text-soft); text-align: center; }
.browser-pane__notice { margin: .75rem 0 0; padding: .75rem 1rem; border: 1px solid var(--ui-warning-line); border-radius: 8px; background: var(--ui-warning-soft); color: var(--ui-text); }
.browser-pane__notice[hidden] { display: none; }
.browser-pane__notice--block { border-color: var(--ui-danger-line); background: var(--ui-danger-soft); }
.browser-pane__takeover { display: flex; align-items: center; gap: .65rem; margin-top: auto; padding-top: 1rem; }
.browser-pane__history { min-width: 0; overflow: auto; padding: 1.25rem; border-left: 1px solid var(--ui-line); }
.browser-pane__history:focus-visible { outline: 2px solid var(--ui-accent); outline-offset: -2px; }
.browser-pane__history h3 { margin: 0 0 .6rem; font-size: .82rem; }
.browser-pane__history h3:not(:first-child) { margin-top: 1.5rem; }
.browser-pane__history p { margin: 0; line-height: 1.5; }
.browser-pane__history ol { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.browser-pane__history li { display: grid; grid-template-columns: 1fr auto; gap: .25rem; padding: .75rem; border: 1px solid var(--ui-line); border-radius: 8px; background: var(--ui-panel); font-size: .78rem; }
.browser-pane__history li span { grid-column: 1 / -1; color: var(--ui-text-soft); overflow-wrap: anywhere; }
.browser-pane__history li time { color: var(--ui-muted); }
.browser-pane__history img { grid-column: 1 / -1; max-width: 100%; border-radius: 4px; }
.agent-session-column__browser { white-space: nowrap; }
.browser-entry { display: inline-flex; align-items: center; gap: .3rem; white-space: nowrap; }
.browser-entry__icon { width: 1rem; height: 1rem; flex: none; }
.browser-entry { min-width: 36px; padding-inline: .45rem; justify-content: center; }
.browser-entry__dot { display: none; width: .45rem; height: .45rem; flex: none; border-radius: 50%; background: #24b86a; box-shadow: 0 0 0 2px color-mix(in srgb, #24b86a 20%, transparent); }
.browser-entry[data-browser-live="true"] .browser-entry__dot { display: inline-block; }
.browser-activity-card { width: min(100%, 440px); display: flex; align-items: center; gap: .75rem; padding: .65rem; margin: .65rem 0; border: 1px solid var(--ui-line); border-radius: 12px; background: var(--ui-panel); color: var(--ui-text); text-align: left; cursor: pointer; }
.browser-activity-card:hover { border-color: var(--ui-accent); background: var(--ui-hover); }
.browser-activity-card:focus-visible, .browser-entry:focus-visible { outline: 2px solid var(--ui-accent); outline-offset: 2px; }
.browser-activity-card__preview { width: 88px; aspect-ratio: 16 / 10; display: grid; place-items: center; flex: none; overflow: hidden; border-radius: 7px; background: var(--ui-bg); color: var(--ui-accent); font-size: 1.4rem; }
.browser-activity-card__preview img { width: 100%; height: 100%; object-fit: cover; }
.browser-activity-card__copy { min-width: 0; display: grid; gap: .45rem; font-size: .82rem; overflow-wrap: anywhere; }
.browser-activity-card__site { display: flex; align-items: center; gap: .4rem; min-width: 0; }
.browser-activity-card__site strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.browser-activity-card__favicon { display: grid; place-items: center; width: 1.25rem; height: 1.25rem; flex: none; border-radius: 4px; background: var(--ui-accent); color: var(--ui-bg); font-size: .7rem; font-weight: 700; }
.browser-activity-card__favicon img { width: 100%; height: 100%; object-fit: contain; border-radius: 4px; background: white; }
.browser-activity-card__status { color: var(--ui-accent); font-weight: 600; }
.browser-activity-card[data-browser-live="true"] .browser-activity-card__status::before { content: ''; display: inline-block; width: .45rem; height: .45rem; margin-right: .4rem; vertical-align: middle; border-radius: 50%; background: #24b86a; }
#files-tab #fn-layout.fn-browser-viewing { grid-template-columns: 0 minmax(0, 1fr); column-gap: 0; }
#files-tab #fn-layout.fn-browser-viewing .fn-files-side, #files-tab #fn-layout.fn-browser-viewing #fn-divider, #files-tab #fn-layout.fn-browser-viewing .fn-side-toggle { display: none; }
#files-tab #fn-layout.fn-browser-viewing .fn-preview-col { grid-column: 2; }
#files-tab #fn-layout.fn-browser-viewing .fn-preview-actions, #files-tab #fn-layout.fn-browser-viewing .fn-preview-meta { display: none; }
#files-tab .fn-browser-host { flex: 1 1 auto; min-height: 0; overflow: hidden; }
#files-tab .fn-browser-host[hidden] { display: none; }
#files-tab .fn-browser-host .browser-pane { position: relative; inset: auto; z-index: auto; width: 100%; height: 100%; border: 0; border-radius: 0; box-shadow: none; }
@media (max-width: 820px) {
  .browser-pane { inset: 0; border: 0; border-radius: 0; height: var(--cc-visual-viewport-height, 100dvh); }
  .browser-pane__header { padding: max(.6rem, env(safe-area-inset-top)) .8rem .6rem; }
  .browser-pane__body { display: flex; flex-direction: column; overflow: auto; }
  .browser-pane--expanded .browser-pane__body { overflow: hidden; }
  .browser-pane--expanded .browser-pane__main { flex: 1; padding: .6rem; }
  .browser-pane__main, .browser-pane__history { overflow: visible; padding: .8rem; }
  .browser-pane__screen { min-height: 180px; }
  .browser-pane__takeover { flex-wrap: wrap; }
  .browser-pane__history { border-left: 0; border-top: 1px solid var(--ui-line); }
  .agent-session-column__actions > .agent-session-column__browser { min-width: 44px; min-height: 44px; justify-content: center; }
  .agent-session-column__phone-header > .agent-session-column__browser { display: inline-flex; min-width: 44px; min-height: 44px; justify-content: center; border: 0; background: transparent; }
  #files-tab #fn-layout.fn-browser-viewing { grid-template-columns: minmax(0, 1fr); }
  #files-tab #fn-layout.fn-browser-viewing .fn-preview-col { grid-column: 1; height: 100%; min-height: 0; margin-top: 0; }
  #files-tab #fn-layout.fn-browser-viewing .fn-file-tabs { display: flex; }
  #files-tab #fn-layout.fn-browser-viewing .browser-pane__body { min-height: 0; }
}

@media (min-width: 821px) {
  .agent-session-column__menu [data-browser-open] { display: none !important; }
}