.siona-skip-link {
  position: absolute;
  z-index: 1000;
  top: 8px;
  left: 8px;
  min-height: 44px;
  padding: 10px 14px;
  transform: translateY(-150%);
  border-radius: var(--siona-radius-control);
  background: var(--siona-accent);
  color: var(--siona-on-accent);
  font-weight: 700;
}

.siona-skip-link:focus {
  transform: translateY(0);
}

.siona-header {
  position: relative;
  /* The full header is one stacking context. Its account popup must outrank
     the Workspace's z-index:80 sticky Chart/Evidence/Markets tab bar. */
  z-index: 110;
  display: flex;
  width: min(100% - 48px, 1440px);
  min-height: 64px;
  align-items: center;
  gap: var(--siona-space-5);
  margin: 0 auto;
  border-bottom: 1px solid var(--siona-border);
}

.siona-brand {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--siona-space-2);
  color: var(--siona-text);
  font-size: 18px;
  font-weight: 750;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.siona-brand img {
  display: block;
  width: 34px;
  height: 38px;
  object-fit: contain;
}

.siona-nav-region {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  justify-content: flex-end;
}

.siona-nav-links {
  display: flex;
  align-items: center;
  gap: var(--siona-space-2);
}

.siona-link-list {
  display: flex;
  align-items: center;
  gap: var(--siona-space-2);
}

.siona-link-list a,
.siona-menu-toggle,
.siona-profile-trigger,
.siona-session-retry {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--siona-space-2);
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: var(--siona-radius-control);
  background: transparent;
  color: var(--siona-text-muted);
  font: 600 14px/1.25 var(--siona-font-sans);
  text-decoration: none;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.siona-link-list a:hover,
.siona-menu-toggle:hover,
.siona-profile-trigger:hover {
  border-color: var(--siona-border);
  background: var(--siona-surface-raised);
  color: var(--siona-text);
}

.siona-link-list a[aria-current="page"] {
  border-color: rgb(237 199 139 / 36%);
  background: rgb(237 199 139 / 10%);
  color: var(--siona-accent);
}

.siona-link-list a.siona-primary-link {
  border-color: var(--siona-accent);
  background: var(--siona-accent);
  color: var(--siona-on-accent);
}

.siona-link-list a.siona-primary-link:hover {
  border-color: var(--siona-accent-hover);
  background: var(--siona-accent-hover);
  color: var(--siona-on-accent);
}

body[data-siona-public-page] .button.primary,
body[data-siona-public-page] .primary,
body[data-siona-public-page] .button-primary,
body[data-siona-public-page] .featured .plan-action {
  border-color: var(--siona-accent) !important;
  background: var(--siona-accent) !important;
  background-image: none !important;
  color: var(--siona-on-accent) !important;
}

body[data-siona-public-page] .button.primary:hover,
body[data-siona-public-page] .primary:hover,
body[data-siona-public-page] .button-primary:hover,
body[data-siona-public-page] .featured .plan-action:hover {
  border-color: var(--siona-accent-hover) !important;
  background: var(--siona-accent-hover) !important;
  color: var(--siona-on-accent) !important;
}

body[data-siona-public-page] {
  background: radial-gradient(ellipse at 72% -12%, rgb(25 36 45 / 62%), transparent 38rem), var(--siona-bg);
  color: var(--siona-text);
  font-family: var(--siona-font-sans);
  font-size: 16px;
  line-height: 1.5;
}

body[data-siona-public-page] a:not(.siona-brand):hover,
body[data-siona-public-page] a.button:hover {
  border-color: var(--siona-accent) !important;
  color: var(--siona-accent);
}

body[data-siona-public-page] .button.primary:hover,
body[data-siona-public-page] .primary:hover,
body[data-siona-public-page] .button-primary:hover,
body[data-siona-public-page] .featured .plan-action:hover {
  border-color: var(--siona-accent-hover) !important;
  background: var(--siona-accent-hover) !important;
  color: var(--siona-on-accent) !important;
}

body[data-siona-public-page] .plan-action:hover {
  border-color: var(--siona-accent) !important;
  background: rgb(237 199 139 / 10%) !important;
  color: var(--siona-accent) !important;
}

.siona-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.siona-menu-toggle {
  display: none;
  border-color: var(--siona-border);
  color: var(--siona-text);
}

.siona-profile-slot {
  position: relative;
  flex: 0 0 auto;
}

.siona-profile-loading {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--siona-text-muted);
  font-size: 13px;
}

.siona-profile-trigger {
  max-width: min(280px, 32vw);
  border-color: var(--siona-border);
  background: var(--siona-surface);
  color: var(--siona-text);
}

.siona-profile-initials {
  display: inline-grid;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--siona-surface-raised);
  color: var(--siona-accent);
  font-size: 12px;
  font-weight: 750;
}

.siona-profile-email {
  overflow: hidden;
  max-width: 190px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.siona-profile-caret {
  color: var(--siona-text-muted);
  font-size: 12px;
}

/* Hidden must beat unscoped page rules such as Help's nav { display:flex }. */
.siona-profile-panel[hidden] { display: none !important; }

/* Workspace's later inline mobile CSS gives the sticky header z-index:40.
   This route-scoped selector must override that declaration so the open
   account menu cannot sit behind the z-index:80 mobile section tab bar. */
body[data-siona-shell-kind="private"] .siona-header { z-index: 110; }

.siona-profile-panel {
  position: absolute;
  z-index: 50;
  top: calc(100% + 8px);
  right: 0;
  width: min(300px, calc(100vw - 24px));
  padding: var(--siona-space-2);
  border: 1px solid var(--siona-border);
  border-radius: var(--siona-radius-card);
  background: var(--siona-surface-raised);
  box-shadow: 0 16px 36px rgb(0 0 0 / 38%);
}

.siona-profile-identity {
  display: grid;
  gap: 4px;
  padding: 10px 12px 12px;
  border-bottom: 1px solid var(--siona-border);
  color: var(--siona-text);
  overflow-wrap: anywhere;
}

.siona-profile-identity small {
  color: var(--siona-text-muted);
  font-size: 13px;
}

.siona-plan-label {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid var(--siona-border);
  border-radius: 999px;
  color: var(--siona-text-muted);
  font-size: 12px;
}

.siona-profile-links {
  display: grid;
  gap: 2px;
  padding-top: 6px;
}

.siona-profile-links a,
.siona-profile-links button {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  padding: 9px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--siona-text);
  font: 500 14px/1.3 var(--siona-font-sans);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.siona-profile-links a:hover,
.siona-profile-links button:hover {
  background: var(--siona-surface);
}

.siona-profile-links [aria-current="page"] {
  color: var(--siona-accent);
}

.siona-signout-error {
  min-height: 20px;
  margin: 4px 10px 2px;
  color: var(--siona-negative);
  font-size: 13px;
}

.siona-session-checking,
.siona-session-unavailable {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  color: var(--siona-text-muted);
  font-size: 13px;
}

.siona-session-unavailable {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.siona-session-message {
  width: min(720px, calc(100% - 32px));
  margin: clamp(40px, 9vh, 96px) auto;
  padding: clamp(24px, 5vw, 40px);
  border: 1px solid var(--siona-border);
  border-radius: var(--siona-radius-card);
  background: var(--siona-surface);
}

.siona-eyebrow {
  color: var(--siona-accent);
  font: 600 13px/1.4 var(--siona-font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

[data-siona-private-content] > h1 {
  margin: 8px 0 12px;
  color: var(--siona-text);
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.12;
}

[data-siona-private-content] > p:not(.siona-eyebrow) {
  color: var(--siona-text-muted);
}

.siona-session-message h1,
.siona-session-message h2 {
  margin: 0 0 8px;
  color: var(--siona-text);
}

.siona-session-message p {
  color: var(--siona-text-muted);
}

.siona-session-retry[hidden] {
  display: none !important;
}

.siona-session-retry {
  border-color: var(--siona-border);
  background: var(--siona-surface-raised);
}

.siona-session-retry:hover {
  border-color: var(--siona-accent);
  color: var(--siona-accent);
}

.siona-footer {
  display: flex;
  width: min(100% - 48px, 1440px);
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--siona-space-4);
  margin: var(--siona-space-6) auto 0;
  padding: var(--siona-space-4) 0 var(--siona-space-5);
  border-top: 1px solid var(--siona-border);
  color: var(--siona-text-muted);
  font-size: 13px;
}

.siona-bottom-nav {
  display: none;
}

.siona-bottom-nav a {
  display: inline-flex;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  padding: 8px 6px;
  color: var(--siona-text-muted);
  font: 650 13px/1.2 var(--siona-font-sans);
  text-decoration: none;
}

.siona-bottom-nav a[aria-current="page"] {
  color: var(--siona-accent);
  box-shadow: inset 0 3px 0 var(--siona-accent);
}

.siona-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.siona-footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--siona-text-muted);
  text-decoration: none;
}

.siona-footer a:hover {
  color: var(--siona-accent);
}

.siona-footer p {
  max-width: 82ch;
  margin: 8px 0 0;
  color: var(--siona-text-muted);
}

html[data-siona-private-route] [data-siona-private-content] {
  visibility: hidden;
}

html[data-siona-private-route] body[data-siona-session="verified"] [data-siona-private-content] {
  visibility: visible;
}

body[data-siona-shell-kind="private"][data-siona-session="checking"] [data-siona-private-content],
body[data-siona-shell-kind="private"][data-siona-session="anonymous"] [data-siona-private-content],
body[data-siona-shell-kind="private"][data-siona-session="unavailable"] [data-siona-private-content] {
  visibility: hidden !important;
}

body[data-siona-shell-kind="private"][data-siona-session="checking"] [data-siona-session-state],
body[data-siona-shell-kind="private"][data-siona-session="anonymous"] [data-siona-session-state],
body[data-siona-shell-kind="private"][data-siona-session="unavailable"] [data-siona-session-state] {
  display: block;
}

body[data-siona-shell-kind="private"][data-siona-session="verified"] [data-siona-session-state] {
  display: none;
}

[data-siona-private-content][inert] {
  pointer-events: none;
  user-select: none;
}

@media (max-width: 760px) {
  .siona-header {
    width: calc(100% - 32px);
    min-height: 56px;
    gap: 8px;
  }

  .siona-brand {
    gap: 6px;
    font-size: 16px;
  }

  .siona-brand img {
    width: 30px;
    height: 34px;
  }

  .siona-nav-region {
    position: relative;
    flex: 0 0 auto;
  }

  .siona-nav-links {
    position: relative;
  }

  .siona-menu-toggle {
    display: inline-flex;
    min-width: 44px;
  }

  .siona-link-list {
    position: absolute;
    z-index: 45;
    top: calc(100% + 8px);
    right: 0;
    display: none;
    width: min(280px, calc(100vw - 24px));
    align-items: stretch;
    padding: 8px;
    border: 1px solid var(--siona-border);
    border-radius: var(--siona-radius-card);
    background: var(--siona-surface-raised);
    box-shadow: 0 16px 36px rgb(0 0 0 / 38%);
  }

  .siona-link-list.is-open {
    display: grid;
  }

  .siona-link-list a {
    justify-content: flex-start;
  }

  .siona-profile-slot {
    margin-left: auto;
  }

  .siona-profile-trigger {
    min-width: 44px;
    max-width: 52px;
    justify-content: center;
    padding: 6px;
  }

  .siona-profile-email,
  .siona-profile-caret {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .siona-footer {
    width: calc(100% - 32px);
    display: grid;
    gap: 6px;
    margin-top: 24px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }

  .siona-footer nav {
    gap: 4px 12px;
  }

  .siona-profile-panel {
    max-height: min(70dvh, 420px);
    overflow: auto;
  }
}

@media (max-width: 899px) {
  body[data-siona-shell-kind="private"][data-siona-session="verified"] .siona-bottom-nav {
    position: fixed;
    z-index: 45;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--siona-border);
    background: var(--siona-surface);
    padding-bottom: env(safe-area-inset-bottom);
  }

  body[data-siona-shell-kind="private"][data-siona-session="verified"] .siona-nav-links {
    display: none;
  }

  body[data-siona-shell-kind="private"][data-siona-session="verified"] .siona-shell {
    padding-bottom: calc(64px + env(safe-area-inset-bottom));
  }
}


/*
 * High-zoom shell reflow.
 * Account/menu controls must fit within the shell's *actual* inline width,
 * not a 100vw-based dropdown that can exceed the available scaled viewport.
 */
.siona-header {
  container-type: inline-size;
}
@media (max-width: 520px) {
  .siona-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(44px, auto);
    align-items: center;
    column-gap: 6px;
    row-gap: 4px;
    width: calc(100% - 24px);
    max-width: 100%;
    min-width: 0;
    padding: 6px 0;
  }
  .shell > .siona-header { width: 100%; }
  .siona-header .siona-brand {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
    gap: 4px;
    font-size: clamp(10px, 3vw, 14px);
    line-height: 1.2;
  }
  .siona-header .siona-brand img {
    width: 24px;
    height: 28px;
    flex: 0 0 auto;
  }
  .siona-header .siona-nav-region {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
    justify-content: flex-start;
    max-width: 100%;
    min-width: 0;
  }
  .siona-header .siona-nav-links,
  .siona-header .siona-menu-toggle {
    min-width: 0;
    max-width: 100%;
  }
  .siona-header .siona-menu-toggle {
    padding-inline: 8px;
    font-size: 12px;
  }
  .siona-header .siona-profile-slot:not(#connectionState) {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-self: end;
    align-self: start;
    min-width: 0;
    margin: 0;
  }
  .siona-profile-panel {
    width: min(300px, calc(100cqi - 12px));
    max-width: calc(100cqi - 12px);
    min-width: 0;
    /* At 200% CSS zoom, a 420px panel can be taller than the visible
       viewport. Keep it short and independently scrollable so Sign out
       never requires hit-testing past the browser's bottom edge. */
    max-height: min(38dvh, 300px);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .siona-profile-identity { min-width: 0; overflow-wrap: anywhere; }
  .siona-profile-links a,
  .siona-profile-links button {
    min-width: 0;
    overflow-wrap: anywhere;
    white-space: normal;
  }
  .siona-header .siona-link-list {
    width: min(280px, calc(100cqi - 12px));
    max-width: calc(100cqi - 12px);
    left: 0;
    right: auto;
  }
  /* Private mobile pages retain immediate navigation through the header Menu.
     The full link list opens on demand; footer navigation is no longer fixed. */
  body[data-siona-shell-kind="private"][data-siona-session="verified"] .siona-header .siona-nav-links {
    display: flex;
  }
  /* The shared bottom nav follows footer content instead of intercepting
     clicks on resource links and covering the upper chart controls. */
  body[data-siona-shell-kind="private"][data-siona-session="verified"] .siona-bottom-nav {
    position: static;
    inset: auto;
    z-index: auto;
    width: 100%;
    margin-top: 8px;
  }
  body[data-siona-shell-kind="private"][data-siona-session="verified"] .siona-shell {
    padding-bottom: 0;
  }
}