/* Oceanus Research Portal — iOS-calibrated motion + materials
 * Travel, bounce and press must be large enough to read as physical.
 * Reduced-motion users get the last-loaded reduced_motion.css kill switch.
 */

@media (prefers-reduced-motion: no-preference) {

/* ---------- Materials (iOS thick vibrancy on overlays only) ---------- */

html body .oc-cmdp {
  background: rgba(8, 8, 10, 0.42) !important;
  -webkit-backdrop-filter: blur(28px) saturate(1.5) !important;
  backdrop-filter: blur(28px) saturate(1.5) !important;
  transition:
    opacity var(--dur-pop) var(--ease-ios),
    visibility 0s linear var(--dur-pop) !important;
}
html body .oc-cmdp.is-open {
  transition:
    opacity var(--dur-pop) var(--ease-ios),
    visibility 0s linear 0s !important;
}

html body .oc-cmdp__panel,
html body .oc-sheet__panel,
html body .oc-pop,
html body .user-menu,
html body .lang-pop-menu,
html body .oc-ss-popup,
html body .oc-dd__menu,
html body .persona-popover,
html body .chat-pop,
html body .chat-sessions-pop,
html body .chat-model-pop,
html body .chat-tier-pop,
html body .chat-header-menu,
html body .mkt-search-results,
html body .ck-dd__menu,
html body .ticker-ac-dropdown,
html body .rn-link-hits {
  background: var(--overlay-fill) !important;
  border: 0.5px solid color-mix(in srgb, var(--text-primary) 18%, transparent) !important;
  border-radius: 14px !important;
  box-shadow: var(--overlay-shadow) !important;
  backdrop-filter: var(--overlay-filter) !important;
  -webkit-backdrop-filter: var(--overlay-filter) !important;
}

html body .oc-cmdp__panel {
  border-radius: 18px !important;
  transform: translateY(22px) scale(0.9);
  transform-origin: top center;
  transition: transform var(--dur-pop) var(--ease-ios-bounce) !important;
}
html body .oc-cmdp.is-open .oc-cmdp__panel {
  transform: none;
}

.lang-pop-menu,
.user-menu,
.oc-pop,
.oc-ss-popup,
.oc-dd__menu,
.chat-model-pop,
.chat-tier-pop,
.chat-header-menu,
.chat-sessions-pop,
.ticker-ac-dropdown,
.rn-link-hits {
  transition:
    opacity var(--dur-pop) var(--ease-ios-bounce),
    transform var(--dur-pop) var(--ease-ios-bounce),
    visibility 0s linear var(--dur-pop) !important;
}
.lang-pop-menu:not(.is-open):not(.open),
.oc-pop:not(.is-open):not(.open),
.oc-dd__menu:not(.is-open):not(.open),
.chat-model-pop:not(.open),
.chat-tier-pop:not(.open),
.chat-header-menu:not(.open),
.chat-sessions-pop:not(.open),
.ticker-ac-dropdown:not(.is-open):not(.open),
.rn-link-hits:not(.is-open):not(.open) {
  transform: translateY(-16px) scale(0.92);
}
.lang-pop-menu.is-open,
.user-menu.show,
.user-menu.oc-ov-open,
.oc-pop.is-open,
.oc-pop.open,
.oc-dd__menu.is-open,
.oc-dd__menu.open,
.chat-model-pop.open,
.chat-tier-pop.open,
.chat-header-menu.open,
.chat-sessions-pop.open,
.ticker-ac-dropdown.is-open,
.rn-link-hits.is-open {
  transform: none;
  transition:
    opacity var(--dur-pop) var(--ease-ios-bounce),
    transform var(--dur-pop) var(--ease-ios-bounce),
    visibility 0s linear 0s !important;
}

[data-oc-overlay] {
  --oc-ov-enter: var(--dur-pop) var(--ease-ios-bounce);
  --oc-ov-exit: var(--dur-pop) var(--ease-ios);
  --oc-ov-rise: 18px;
  --oc-ov-scale: 0.92;
}
[data-oc-overlay="sheet"] {
  --oc-ov-enter: var(--dur-sheet) var(--ease-ios-bounce);
  --oc-ov-exit: var(--dur-sheet) var(--ease-ios);
}
[data-oc-overlay="drawer"] {
  --oc-ov-enter: var(--dur-sheet) var(--ease-ios-bounce);
  --oc-ov-exit: var(--dur-sheet) var(--ease-ios);
}

.user-menu.oc-ov-bound:not(.oc-ov-open):not(.oc-ov-leaving) {
  opacity: 0;
  visibility: hidden;
}
.user-menu.oc-ov-bound.oc-ov-leaving {
  opacity: 0;
  visibility: visible;
}

/* ---------- Chrome frame ---------- */

html body .top-bar,
html body[data-theme="light"] .top-bar,
html body[data-theme="steel"] .top-bar {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1300;
  background: transparent !important;
  border-bottom: none !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  isolation: isolate;
  view-transition-name: none;
}
html body .top-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: color-mix(in srgb, var(--bg-base) 28%, transparent);
  backdrop-filter: blur(28px) saturate(1.55);
  -webkit-backdrop-filter: blur(28px) saturate(1.55);
}
html body[data-theme="light"] .top-bar::before {
  background: color-mix(in srgb, var(--bg-base) 42%, transparent);
}
html body .top-bar > * {
  position: relative;
  z-index: 1;
}

/* Phone tools tray: oceanus.css loads after responsive.css, so its
   z-index:1300 was beating body.topbar-tools-open .top-bar {1400} and
   the page dimmer (also 1300) painted on top — tray looked gray and
   lang/theme never received taps. */
@media (max-width: 820px) {
  html body .top-bar {
    height: calc(var(--topbar-height) + var(--sat-fix, env(safe-area-inset-top, 0px))) !important;
    min-height: calc(var(--topbar-height) + var(--sat-fix, env(safe-area-inset-top, 0px))) !important;
    max-height: calc(var(--topbar-height) + var(--sat-fix, env(safe-area-inset-top, 0px))) !important;
    flex-wrap: nowrap !important;
    overflow: visible !important;
  }
  html body .top-bar-brand {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    align-items: center !important;
    gap: 8px !important;
  }
  html body .top-bar-brand .sidebar-logo {
    max-height: 18px !important;
    max-width: 96px !important;
  }
  html body .top-bar-title-wrap {
    flex-direction: row !important;
    align-items: center !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
  }
  html body .top-bar-title {
    font-size: var(--fs-sm) !important;
    line-height: 1 !important;
    font-weight: var(--fw-medium, 500) !important;
  }
  html body .topbar-search {
    display: none !important;
  }
}
@media (max-width: 820px), (hover: none) and (pointer: coarse) {
  html body.topbar-tools-open .top-bar {
    z-index: 1450 !important;
  }
  html body.topbar-tools-open::after {
    z-index: 1400 !important;
  }
}

html body .status-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  z-index: 1300;
  height: calc(var(--statusbar-height, 32px) + env(safe-area-inset-bottom, 0px));
  min-height: var(--statusbar-height, 32px);
  padding: 0 16px env(safe-area-inset-bottom, 0px);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  isolation: isolate;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
html body .status-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: color-mix(in srgb, var(--bg-base) 28%, transparent);
  backdrop-filter: blur(28px) saturate(1.55);
  -webkit-backdrop-filter: blur(28px) saturate(1.55);
}
html body[data-theme="light"] .status-bar::before {
  background: color-mix(in srgb, var(--bg-base) 42%, transparent);
}
html body .status-bar > * {
  position: relative;
  z-index: 1;
}
html body .status-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
html body .status-bar-clocks {
  height: 14px;
  overflow: hidden;
  width: 14em;
  flex-shrink: 0;
  position: relative;
}
html body .sb-clk-track {
  display: flex;
  flex-direction: column;
  will-change: transform;
}
html body .status-hint {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font: inherit;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
html body .status-hint:hover { color: var(--text-secondary); }
html body .status-hint kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  padding: 1px 5px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--text-primary) 8%, transparent);
  color: var(--text-secondary);
}
html body .sb-clk {
  font-family: var(--font-mono);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  display: flex;
  align-items: baseline;
  gap: 5px;
  white-space: nowrap;
  height: 14px;
  line-height: 14px;
  flex: 0 0 14px;
}
html body .sb-clk-lab {
  color: var(--text-dim);
  letter-spacing: 0.04em;
  font-size: 9px;
  font-weight: var(--fw-semibold);
}
html body .status-bar-right {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  margin-left: auto;
}
html body .status-bar-work,
html body .sidebar-status {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  white-space: nowrap;
}
html body .sidebar-status {
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
  padding: 4px var(--sp-3) 2px;
  font-size: calc(10px * var(--ui-font-scale, 1));
  line-height: 1.45;
}
html body .js-status-work[hidden],
html body .sb-work[hidden],
html body .sb-when[hidden] {
  display: none !important;
}
html body .sb-state {
  flex: 0 0 auto;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
html body .sb-state[data-state="working"] { color: var(--text-secondary); }
html body .sb-state[data-state="held"] { color: var(--warning); }
html body a.sb-work {
  color: inherit;
  text-decoration: none;
  min-width: 0;
  max-width: 22em;
  overflow: hidden;
  text-overflow: ellipsis;
}
html body .sidebar-status a.sb-work { max-width: 100%; }
html body a.sb-work:hover { color: var(--text-secondary); }
html body a.sb-work:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}
html body .sb-when {
  font-family: var(--font-mono);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  margin-left: 6px;
}
html body .sidebar.collapsed .sidebar-status { display: none; }
@media (min-width: 1025px) {
  html body .sidebar .sidebar-status { display: none !important; }
}
html[data-route="tablet"] .sidebar:not(.is-peek) .sidebar-status { display: none; }
html[data-route="tablet"] body.sidebar-open .sidebar .sidebar-status { display: flex; }
html[data-route="desktop"][data-sidebar-init="collapsed"] .sidebar:not(.is-peek) .sidebar-status {
  display: none;
}
@media (max-width: 1024px) {
  html body .status-bar { display: none !important; }
}
/* Menus: frost on the plate itself (not ::before). Overlay `will-change:
   transform` otherwise makes backdrop-filter sample an empty layer, so the
   list is a see-through sheet and the labels fail. Denser fill than the
   top bar so type stays readable. */
html body .lang-pop-menu,
html body .theme-pop-menu,
html body .lang-pop-menu.oc-ov-bound,
html body .theme-pop-menu.oc-ov-bound {
  isolation: auto;
  will-change: auto !important;
  background: color-mix(in srgb, var(--bg-elevated) 82%, transparent) !important;
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
  backdrop-filter: blur(28px) saturate(1.55) !important;
  -webkit-backdrop-filter: blur(28px) saturate(1.55) !important;
}
html body[data-theme="light"] .lang-pop-menu,
html body[data-theme="light"] .theme-pop-menu {
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent) !important;
}
@media (prefers-reduced-transparency: reduce) {
  html body .top-bar,
  html body[data-theme="light"] .top-bar,
  html body[data-theme="steel"] .top-bar,
  html body .lang-pop-menu,
  html body .theme-pop-menu,
  html body .status-bar {
    background: var(--bg-elevated) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  html body .top-bar::before,
  html body .status-bar::before {
    content: none;
  }
  html body .status-bar {
    background: var(--bg-elevated) !important;
  }
}
html body a:hover,
html body a:active {
  text-decoration: none !important;
}

html body .sidebar,
html body .sidebar-header,
html body .sidebar-footer,
html body .sidebar-search,
html body .world-clock,
html body .sidebar-status {
  border: none !important;
  border-top: none !important;
  border-right: none !important;
  border-bottom: none !important;
}

/* Desktop: floating plate — inset so all four corners round, light shadow. */
@media (min-width: 1025px) {
  html body .sidebar {
    --sidebar-gutter: 10px;
    top: calc(var(--oc-topbar-stack, calc(var(--topbar-height) + var(--sat-fix, env(safe-area-inset-top, 0px)))) + var(--sidebar-gutter));
    bottom: calc(var(--statusbar-height, 32px) + env(safe-area-inset-bottom, 0px) + var(--sidebar-gutter)) !important;
    left: var(--sidebar-gutter);
    border: none !important;
    border-radius: var(--r-xl, 12px);
    box-shadow: 0 12px 32px -14px color-mix(in srgb, var(--text-primary) 28%, transparent);
  }
}

/* Peek: frost the sibling .sidebar-frost plate, not the sidebar itself.
   Nested backdrop-filter on the profile row fails when the parent is already
   a filter root (empty sample). desk.css zeros filter on .sidebar. */
@media (hover: hover) and (pointer: fine) and (min-width: 1025px) {
  html body .sidebar.collapsed.is-peek {
    isolation: auto !important;
    will-change: auto !important;
    view-transition-name: none !important;
    filter: none !important;
    contain: none !important;
    overflow: visible !important;
    background: transparent !important;
    border: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-radius: var(--r-xl, 12px);
    box-shadow: 0 12px 32px -14px color-mix(in srgb, var(--text-primary) 28%, transparent);
  }
  html body .sidebar.collapsed.is-peek > .sidebar-frost {
    display: block !important;
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    border-radius: inherit;
    background: color-mix(in srgb, var(--bg-elevated) 16%, transparent);
    backdrop-filter: blur(40px) saturate(1.8);
    -webkit-backdrop-filter: blur(40px) saturate(1.8);
    will-change: auto;
  }
  html body[data-theme="light"] .sidebar.collapsed.is-peek > .sidebar-frost,
  html[data-theme="light"] body .sidebar.collapsed.is-peek > .sidebar-frost {
    background: color-mix(in srgb, var(--bg-elevated) 22%, transparent);
  }
  html body .sidebar.collapsed.is-peek .sidebar-nav {
    position: relative;
    z-index: 1;
  }
  html body .sidebar.collapsed.is-peek .sidebar-footer {
    isolation: auto !important;
    will-change: auto !important;
    background: color-mix(in srgb, var(--bg-elevated) 22%, transparent) !important;
    backdrop-filter: blur(40px) saturate(1.8) !important;
    -webkit-backdrop-filter: blur(40px) saturate(1.8) !important;
    border-radius: 0 0 var(--r-xl, 12px) var(--r-xl, 12px);
  }
  html body[data-theme="light"] .sidebar.collapsed.is-peek .sidebar-footer {
    background: color-mix(in srgb, var(--bg-elevated) 38%, transparent) !important;
  }
  html body .sidebar.collapsed.is-peek .sidebar-footer::before {
    content: none !important;
  }
}
@media (prefers-reduced-transparency: reduce) {
  html body .sidebar.collapsed.is-peek {
    background: var(--bg-elevated) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: 0 12px 32px -14px color-mix(in srgb, var(--text-primary) 28%, transparent);
  }
  html body .sidebar.collapsed.is-peek > .sidebar-frost,
  html body .sidebar.collapsed.is-peek .sidebar-footer {
    background: var(--bg-elevated) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

/* ---------- iOS segmented tab ink (Paper only) ---------- */

.oc-tabs {
  position: relative;
  isolation: isolate;
}
html:not(.page-pmos) .oc-tab-ink {
  display: none !important;
}
.oc-tab-ink {
  position: absolute;
  top: 2px;
  left: 0;
  height: calc(100% - 4px);
  width: 0;
  border-radius: 8px;
  background: var(--bg-elevated);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.28),
    0 0 0 0.5px color-mix(in srgb, var(--text-primary) 10%, transparent);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transform: translateX(0);
  transition:
    transform var(--dur-pop) var(--ease-ios-bounce),
    width var(--dur-pop) var(--ease-ios-bounce),
    opacity var(--dur-ui) var(--ease-ios);
}
html.page-pmos body .oc-tabs .tab-btn,
html.page-pmos body .oc-tabs .mv-tab,
html.page-pmos body .oc-tabs .dash-tl-tab,
html.page-pmos body .oc-tabs .wl-sort-btn,
html.page-pmos body .oc-tabs .modal-tab,
html.page-pmos body .oc-tabs .research-tab,
html.page-pmos body .oc-tabs .cal-view-btn {
  position: relative;
  z-index: 1;
  background: transparent !important;
}
html.page-pmos body .oc-tabs .tab-btn.active,
html.page-pmos body .oc-tabs .mv-tab.active,
html.page-pmos body .oc-tabs .dash-tl-tab.is-active,
html.page-pmos body .oc-tabs .wl-sort-btn.is-on,
html.page-pmos body .oc-tabs .modal-tab.is-active,
html.page-pmos body .oc-tabs .research-tab.is-active,
html.page-pmos body .oc-tabs .cal-view-btn.is-active {
  background: transparent !important;
  color: var(--text-primary) !important;
  border-bottom-color: transparent !important;
}

/* ---------- Press: buttons/nav compress; rows highlight ---------- */

html body .btn,
html body .btn-primary,
html body .btn-secondary,
html body .btn-ghost,
html body .nav-item,
html body .chip,
html body .tab-btn,
html body .mv-tab,
html body .wl-sort-btn,
html body .oc-cmdp__item,
html body .user-menu-item,
html body .chat-fab,
html body #chat-fab,
html body .qp-watch,
html body .ask-oceanus-btn,
html body .oc-cmdp-trigger {
  transition:
    transform var(--dur-press) var(--ease-ios),
    background-color var(--dur-ui) var(--ease-ios),
    color var(--dur-ui) var(--ease-ios),
    border-color var(--dur-ui) var(--ease-ios) !important;
}
html body .btn:active,
html body .btn-primary:active,
html body .btn-secondary:active,
html body .nav-item:active,
html body .chip:active,
html body .tab-btn:active,
html body .mv-tab:active,
html body .oc-cmdp__item:active,
html body .user-menu-item:active,
html body .chat-fab:active,
html body #chat-fab:active,
html body .qp-watch:active,
html body .ask-oceanus-btn:active,
html body .oc-cmdp-trigger:active {
  transform: scale(0.96) !important;
}

/* Chat FAB: restore the quiet lift + pen tilt (desk had flattened hover). */
html body .chat-toggle-fab:hover,
html body .chat-fab:hover,
html body #chat-fab:hover,
html body .chat-toggle-fab:focus-visible,
html body .chat-fab:focus-visible,
html body #chat-fab:focus-visible {
  transform: translateY(-4px) scale(1.1) !important;
  box-shadow: 0 10px 22px -14px color-mix(in srgb, #000 55%, transparent) !important;
}
html body .chat-toggle-fab:hover .chat-fab-ico,
html body .chat-fab:hover .chat-fab-ico,
html body #chat-fab:hover .chat-fab-ico,
html body .chat-toggle-fab:focus-visible .chat-fab-ico,
html body #chat-fab:focus-visible .chat-fab-ico {
  transform: translate(0.5px, -1.5px) rotate(-14deg) !important;
}
html body .chat-toggle-fab:active,
html body .chat-fab:active,
html body #chat-fab:active {
  transform: translateY(-1px) scale(0.97) !important;
}
@media (prefers-reduced-motion: reduce) {
  html body .chat-toggle-fab:hover,
  html body .chat-fab:hover,
  html body #chat-fab:hover,
  html body .chat-toggle-fab:focus-visible,
  html body .chat-fab:focus-visible,
  html body #chat-fab:focus-visible,
  html body .chat-toggle-fab:active,
  html body .chat-fab:active,
  html body #chat-fab:active,
  html body .chat-toggle-fab:hover .chat-fab-ico,
  html body .chat-fab:hover .chat-fab-ico,
  html body #chat-fab:hover .chat-fab-ico {
    transform: none !important;
    box-shadow: none !important;
  }
}

html body .wl-row,
html body .dash-tl-entry,
html body .mkt-table tbody tr {
  transition: background-color 180ms var(--ease-ios) !important;
}
html body .wl-row:hover,
html body .wl-table tbody tr:hover td,
html body .mkt-table tbody tr:hover td,
html body .dash-tl-entry:hover {
  background: color-mix(in srgb, var(--text-primary) 8%, transparent) !important;
}
html body .wl-row:active,
html body .dash-tl-entry:active {
  background: color-mix(in srgb, var(--text-primary) 14%, transparent) !important;
}
html body .mkt-table tbody tr:active td {
  background: color-mix(in srgb, var(--text-primary) 12%, transparent) !important;
}
html body .wl-row.active,
html body .wl-table tbody tr.is-selected td,
html body .mkt-table tbody tr.is-selected td {
  background: var(--accent-muted) !important;
}

/* ---------- Arrival: enough travel to read as a list landing ---------- */

.is-first-paint > .wl-row,
.is-first-paint > tr,
.mkt-watchlist .is-first-paint .wl-row {
  animation: oc-arrive var(--dur-pop) var(--ease-ios-bounce) both;
  animation-delay: calc(var(--i, 0) * 28ms);
}
@keyframes oc-arrive {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

.qp-symbol { color: inherit; text-decoration: none; }
a.qp-symbol:hover { color: var(--accent); text-decoration: none; }

/* ---------- Chat: full-travel spring (JS still drives the pixel slide) ---------- */

.content-wrapper.chat-sliding {
  overflow: visible !important;
}
.content-wrapper.chat-sliding .content-right.mode-dock {
  z-index: 30;
  box-shadow: -24px 0 48px -16px rgba(0, 0, 0, 0.5);
}

@keyframes oc-chat-float-in {
  from { opacity: 0; transform: translate3d(0, 28px, 0) scale(0.86); }
  to   { opacity: 1; transform: none; }
}
@keyframes oc-chat-float-out {
  to { opacity: 0; transform: translate3d(0, 24px, 0) scale(0.88); }
}
html body .content-right.mode-float.closing,
html body .content-right.mode-mini.closing {
  transform-origin: 100% 100%;
  animation: oc-chat-float-out var(--dur-pop) var(--ease-ios) forwards !important;
  filter: none !important;
}

/* ---------- Page flip: only main content moves. Sidebar is not a
   view-transition participant — naming it still swapped two snapshots
   and the rail flickered even when collapsed. Root does not slide. ---------- */

::view-transition-image-pair(root) {
  isolation: none;
}
/* Never hide the root snapshot — display:none left a black viewport
   while the transition layer was up (chat open, popovers, page flip). */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none !important;
}
@keyframes oc-ios-out {
  to { opacity: 1; }
}
@keyframes oc-ios-in {
  from { transform: translateX(14px); opacity: 0; }
  to { transform: none; opacity: 1; }
}

.sidebar { view-transition-name: none !important; }
/* Cross-document view transitions run in Chrome, not Firefox. Naming
   .main-content captured the docked chat inside that snapshot; Chrome
   then clips the column (wrapper overflow:hidden) and the next
   navigation snapshots the same empty split. Punch the drawer out so
   it is its own group — the oc-chat rules below do not animate it. */
#chat-drawer { view-transition-name: oc-chat !important; }
.main-content { view-transition-name: oc-main; }
/* uiarc.dev: exits faster than entrances; content rises a few px, no slide.
   The old page fades out in 120ms while the new one fades in and rises 6px. */
::view-transition-old(oc-main) {
  animation: 120ms cubic-bezier(.7, 0, .84, 0) both oc-page-out;
}
::view-transition-new(oc-main) {
  animation: 240ms cubic-bezier(.16, 1, .3, 1) both oc-page-in;
}
@keyframes oc-page-out { to { opacity: 0; } }
@keyframes oc-page-in { from { opacity: 0; transform: translateY(6px); } }

.top-bar { view-transition-name: oc-topbar; }
.app-command-tray,
body > .app-command-tray,
body > .app-command-tray-shell { view-transition-name: oc-tray; }

::view-transition-group(oc-topbar),
::view-transition-old(oc-topbar),
::view-transition-new(oc-topbar),
::view-transition-group(oc-chat),
::view-transition-old(oc-chat),
::view-transition-new(oc-chat),
::view-transition-group(oc-tray),
::view-transition-old(oc-tray),
::view-transition-new(oc-tray) {
  animation: none;
}
::view-transition-group(oc-vt-symbol) {
  animation-duration: var(--dur-sheet);
  animation-timing-function: var(--ease-ios);
}

} /* prefers-reduced-motion: no-preference */

/* Chat is a panel, not a lightbox. Kill leftover page dimmers. */
html body.chat-open::after,
html body.chat-sheet-open::before,
html body:has(.content-right.mode-float:not(.collapsed))::before,
html body:has(.content-right.mode-mini:not(.collapsed))::before,
html body:has(#chat-drawer.mode-float:not(.collapsed))::before,
html body:has(#chat-drawer.mode-mini:not(.collapsed))::before {
  content: none !important;
  display: none !important;
  background: none !important;
  animation: none !important;
}

@media (prefers-reduced-transparency: reduce) {
  html body .oc-cmdp__panel,
  html body .oc-sheet__panel,
  html body .oc-pop,
  html body .user-menu,
  html body .lang-pop-menu,
  html body .chat-model-pop,
  html body .chat-tier-pop,
  html body .chat-sessions-pop {
    background: var(--bg-elevated) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

html body[data-oc-shell] .btn,
html body[data-oc-shell] .btn-primary,
html body[data-oc-shell] .btn-secondary,
html body[data-oc-shell] .btn-ghost,
html body[data-oc-shell] .btn-danger,
html body[data-oc-shell] .pf-btn,
html body[data-oc-shell] .cal-btn,
html body[data-oc-shell] .dd-btn,
html body[data-oc-shell] .wl-row-btn,
html body[data-oc-shell] .an-btn {
  border-radius: var(--r-control, 8px) !important;
}
html body[data-oc-shell] .chip,
html body[data-oc-shell] .badge,
html body[data-oc-shell] .nav-item,
html body[data-oc-shell] .chat-fab,
html body[data-oc-shell] #chat-fab,
html body[data-oc-shell] .wl-pill,
html body[data-oc-shell] .cew-chip {
  border-radius: var(--r-full) !important;
}

/* Profile row: pin inside the rail and stack the rail above the status bar
   so the footer cannot sit in a lower stacking context under the frost. */
@media (min-width: 1025px) {
  html body.has-status-bar #sidebar.sidebar {
    z-index: 1310 !important;
    height: auto !important;
    max-height: none !important;
    min-height: 0 !important;
    bottom: calc(var(--statusbar-height, 32px) + env(safe-area-inset-bottom, 0px) + 10px) !important;
  }
  html body.has-status-bar #sidebar .sidebar-footer {
    position: absolute !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    z-index: 6 !important;
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
  }
  html body.has-status-bar #sidebar .user-profile {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
}

/* Profile row: frost plate over the nav (same family as the top/status bars).
   Frost lives on ::before so overflow:visible can still park the user menu. */
html body .sidebar .sidebar-footer {
  isolation: auto;
  background: transparent !important;
  will-change: auto;
}
html body .sidebar .sidebar-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: color-mix(in srgb, var(--bg-elevated) 22%, transparent);
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
}
@media (min-width: 1025px) {
  html body .sidebar .sidebar-footer::before {
    border-radius: 0 0 var(--r-xl, 12px) var(--r-xl, 12px);
  }
}
html body[data-theme="light"] .sidebar .sidebar-footer::before {
  background: color-mix(in srgb, var(--bg-elevated) 38%, transparent);
}
html body .sidebar .sidebar-footer > * {
  position: relative;
  z-index: 1;
}
@media (prefers-reduced-transparency: reduce) {
  html body .sidebar .sidebar-footer {
    background: var(--bg-elevated) !important;
  }
  html body .sidebar .sidebar-footer::before {
    content: none;
  }
}
