/* Shared site chrome — header & footer (all pages, same size) */

:root {
  --chrome-header-h: 84px;
  --chrome-footer-h: 36px;
  --chrome-nav-font: 21px;
  --chrome-footer-font: 13.5px; /* 75% of 18px — smaller than body (16px) */
}

.site-header {
  flex-shrink: 0;
  height: var(--chrome-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  box-sizing: border-box;
}

.site-footer {
  flex-shrink: 0;
  min-height: var(--chrome-footer-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  max-width: none;
  margin: 0;
  padding: var(--space-2) var(--space-5);
  font-size: var(--chrome-footer-font);
  line-height: 1.25;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  box-sizing: border-box;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: auto;
  gap: var(--space-5);
  font-size: var(--chrome-nav-font);
}

.site-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--color-accent);
}

.site-nav a.is-active,
.site-footer-links a.is-active {
  color: var(--color-accent);
  font-weight: inherit;
}

/* Fixed-width "/" marker before nav labels — always reserved to prevent layout shift */
.site-nav-features,
.site-nav-support,
.site-nav-tool-link,
.site-nav-tool-trigger {
  display: inline-flex;
  align-items: baseline;
}

.site-nav-features::before,
.site-nav-support::before,
.site-nav-tool-link::before,
.site-nav-tool-trigger::before {
  content: "/";
  display: inline-block;
  width: 0.6em;
  flex-shrink: 0;
  text-align: center;
  opacity: 0;
  user-select: none;
  pointer-events: none;
}

.site-nav-features.is-active::before,
.site-nav-support.is-active::before,
.site-nav-tool-link.is-active::before,
.site-nav-tool-picker.is-active .site-nav-tool-trigger::before {
  opacity: 0.85;
}

/* Footer "/" marker (injected by chrome.js) */
.site-nav-marker {
  display: inline-block;
  width: 0.6em;
  flex-shrink: 0;
  text-align: center;
  opacity: 0;
  user-select: none;
  pointer-events: none;
}

.site-footer-links a.is-active > .site-nav-marker {
  opacity: 0.85;
}

.site-nav-tools {
  display: contents;
}

.site-nav-tool-picker {
  display: none;
  position: relative;
}

.site-nav-tool-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: inherit;
  line-height: inherit;
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
}

.site-nav-tool-picker.is-active .site-nav-tool-trigger {
  color: var(--color-accent);
}

.site-nav-tool-trigger:hover {
  color: var(--color-accent);
}

.site-nav-tool-trigger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.site-nav-tool-chevron {
  width: 0.72em;
  height: 0.72em;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.site-nav-tool-picker.is-open .site-nav-tool-chevron {
  transform: rotate(180deg);
}

.site-nav-tool-menu {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-1);
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 1200;
  min-width: 11em;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  box-shadow: 0 12px 28px rgba(26, 26, 26, 0.14);
}

.site-nav-tool-menu[hidden] {
  display: none;
}

.site-nav-tool-option {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav-tool-option[data-tool="tabs"] {
  color: var(--tool-color-tabs);
}

.site-nav-tool-option[data-tool="log"] {
  color: var(--tool-color-log);
}

.site-nav-tool-option[data-tool="notes"] {
  color: var(--tool-color-notes);
}

.site-nav-tool-option[data-tool="xcite"] {
  color: var(--tool-color-xcite);
}

.site-nav-tool-option:hover,
.site-nav-tool-option.is-selected {
  color: inherit;
  background: var(--color-accent-soft);
}

.site-nav-tool-option[data-tool="tabs"]:hover,
.site-nav-tool-option[data-tool="tabs"].is-selected {
  color: var(--tool-color-tabs);
  background: var(--tool-color-tabs-soft);
}

.site-nav-tool-option[data-tool="log"]:hover,
.site-nav-tool-option[data-tool="log"].is-selected {
  color: var(--tool-color-log);
  background: var(--tool-color-log-soft);
}

.site-nav-tool-option[data-tool="notes"]:hover,
.site-nav-tool-option[data-tool="notes"].is-selected {
  color: var(--tool-color-notes);
  background: var(--tool-color-notes-soft);
}

.site-nav-tool-option[data-tool="xcite"]:hover,
.site-nav-tool-option[data-tool="xcite"].is-selected {
  color: var(--tool-color-xcite);
  background: var(--tool-color-xcite-soft);
}

.site-nav-tool-option.is-selected {
  font-weight: inherit;
}

.site-footer a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

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

.site-footer-links {
  display: flex;
  align-items: center;
  column-gap: var(--space-2);
  flex-shrink: 0;
  white-space: nowrap;
}


.site-footer-links span {
  opacity: 0.5;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 2px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 0;
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--color-accent);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.theme-toggle-icon {
  display: block;
  width: 16px;
  height: 16px;
}

.theme-toggle-icon--sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle-icon--moon {
  display: none;
}

html[data-theme="dark"] .theme-toggle-icon--sun {
  display: block;
}

/* Footer Mac App Store CTA — desktop only (hidden on mobile; Mac-only apps) */
.site-footer-cta {
  display: none;
}

@media (max-width: 767px) {
  :root {
    --chrome-footer-h-mobile: 52px;
  }

  .site-footer-cta,
  .site-footer-cta .app-store-badge,
  .site-footer-cta .footer-pricing-hint,
  .site-footer-cta .hero-pricing-hint,
  .hero-actions .app-store-badge,
  .hero-actions .hero-pricing-hint {
    display: none !important;
  }

  .site-footer {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: calc(var(--chrome-footer-h-mobile) + env(safe-area-inset-bottom, 0px));
    overflow-x: hidden;
    padding: 0 var(--space-3) env(safe-area-inset-bottom, 0px);
    gap: 0;
    box-sizing: border-box;
  }

  .site-footer-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-width: 0;
    width: 100%;
    min-height: var(--chrome-footer-h-mobile);
    text-align: center;
  }

  .site-footer-left > span {
    display: block;
    width: 100%;
    font-size: clamp(9px, 2.8vw, 11px);
    line-height: 1.3;
    white-space: nowrap;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .site-footer .site-footer-links {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 100%;
    margin: 0;
    white-space: nowrap;
    font-size: 13px;
    column-gap: var(--space-2);
  }

  .site-footer--cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

}

@media (min-width: 768px) {
  .site-footer--cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .site-footer-left {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    min-width: 0;
    gap: var(--space-4);
  }

  .site-footer-left > span {
    min-width: 0;
    flex-shrink: 1;
  }
}

/* Suite / tool pages — cow + MoonCow Tools */
.brand--suite-only {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.brand--suite-only:hover {
  color: inherit;
}

.brand-cow {
  height: 42px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

html[data-theme="dark"] .brand-cow {
  filter: invert(1);
}

.brand--suite-only .brand-suite {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  color: var(--color-text);
}

/* Tool context: MoonCow Tools + product name (e.g. MoonCow Tabs) */
.site-header-brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
  flex-shrink: 1;
}

.header-product-divider {
  width: 1px;
  height: 28px;
  background: var(--color-border-strong);
  flex-shrink: 0;
}

.header-product-name {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-accent);
  white-space: nowrap;
  text-decoration: none;
}

a.header-product-name:hover {
  color: var(--color-accent-hover);
}

/* ——— Mobile chrome (portrait / narrow) ——— */

.site-header-bar,
.site-nav-section,
.site-nav-label-mobile {
  display: none;
}

.site-nav-label-desktop {
  display: inline;
}

@media (max-width: 767px) {
  :root {
    --chrome-header-h-mobile: 52px;
    --chrome-footer-font-mobile: 11px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 1100;
    flex-direction: column;
    align-items: stretch;
    height: var(--chrome-header-h-mobile);
    min-height: var(--chrome-header-h-mobile);
    padding: 0;
    gap: 0;
    overflow: visible;
  }

  .site-header-bar {
    display: grid;
    grid-template-columns: 38px 1fr 38px;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    height: var(--chrome-header-h-mobile);
    padding: 0 var(--space-3);
    box-sizing: border-box;
    position: relative;
    z-index: 1102;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
  }

  .site-header {
    border-bottom: none;
  }

  .site-header-desktop {
    display: none;
  }

  .site-header-cow-frame {
    grid-column: 1;
    grid-row: 1;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: inherit;
    text-decoration: none;
    flex-shrink: 0;
  }

  .site-header-cow-frame .brand-cow {
    height: 26px;
    width: auto;
  }

  .site-header-mobile-title {
    grid-column: 1 / -1;
    grid-row: 1;
    z-index: 1;
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    justify-self: center;
    max-width: calc(100% - 96px);
    margin: 0;
    padding: 0;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
    white-space: nowrap;
    pointer-events: none;
  }

  .site-header-mobile-title a {
    color: var(--color-accent);
    text-decoration: none;
    pointer-events: auto;
  }

  .site-header--suite .site-header-mobile-title a {
    color: var(--color-text);
  }

  .site-header-mobile-title[data-mobile-subpage]:not([data-mobile-subpage=""])::after {
    content: " / " attr(data-mobile-subpage);
    color: var(--color-text);
    font-weight: 600;
  }

  .site-menu-toggle {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    margin: 0;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  }

  .site-menu-toggle:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
  }

  .site-menu-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }

  .site-header--menu-open .site-menu-toggle {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
  }

  .site-header-overlay {
    display: none;
    position: fixed;
    inset: 0;
    top: var(--chrome-header-h-mobile);
    margin: 0;
    padding: 0;
    border: 0;
    background: rgba(26, 26, 26, 0.45);
    cursor: pointer;
    z-index: 1101;
  }

  .site-header--menu-open .site-header-overlay {
    display: block;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: var(--chrome-header-h-mobile);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: var(--space-2) var(--space-3) var(--space-3);
    font-size: 16px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    box-shadow: 0 12px 28px rgba(26, 26, 26, 0.14);
    z-index: 1103;
    max-height: calc(100dvh - var(--chrome-header-h-mobile));
    overflow-y: auto;
  }

  .site-header--menu-open .site-nav {
    display: flex;
  }

  body.site-menu-open {
    overflow: hidden;
  }

  .site-nav-section {
    display: block;
    padding: var(--space-2) var(--space-2) var(--space-1);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-muted);
  }

  .site-nav a {
    display: block;
    padding: var(--space-3) var(--space-2);
    border-radius: var(--radius-sm);
    white-space: normal;
  }

  .site-nav-tool-picker .site-nav-tool-trigger {
    width: 100%;
    justify-content: flex-start;
    padding: var(--space-3) var(--space-2);
    border-radius: var(--radius-sm);
    text-align: left;
  }

  .site-nav a:hover,
  .site-nav a.is-active {
    background: var(--color-accent-soft);
  }

  .site-nav-label-desktop {
    display: none;
  }

  .site-nav-label-mobile {
    display: inline;
  }

  .site-header--suite .site-nav-tool-link {
    display: block;
  }

  .site-header--tool .site-nav-tool-picker {
    display: none !important;
  }

  .site-header--tool .site-nav-tool-link {
    display: block;
  }

}

@media (min-width: 768px) {
  .site-header-bar,
  .site-header-cow-frame,
  .site-header-mobile-title,
  .site-menu-toggle,
  .site-header-overlay {
    display: none !important;
  }

  .site-header {
    position: static;
    flex-direction: row;
    align-items: center;
    height: var(--chrome-header-h);
    min-height: var(--chrome-header-h);
    padding: 0 var(--space-5);
    border-bottom: 1px solid var(--color-border);
  }

  .site-header-desktop {
    display: contents;
  }

  .site-nav {
    display: flex !important;
    position: static;
    flex-direction: row;
    align-items: center;
    width: auto;
    margin-left: auto;
    padding: 0;
    border: 0;
    box-shadow: none;
    max-height: none;
    overflow: visible;
    font-size: var(--chrome-nav-font);
  }

  .site-nav-section {
    display: none !important;
  }

  .site-nav-label-desktop {
    display: inline !important;
  }

  .site-nav-label-mobile {
    display: none !important;
  }

  .site-nav a {
    display: inline;
    padding: 0;
    border-radius: 0;
    background: transparent;
  }

  .site-nav a.site-nav-features,
  .site-nav a.site-nav-support,
  .site-nav a.site-nav-tool-link {
    display: inline-flex;
    align-items: baseline;
  }

  .site-nav-tool-picker .site-nav-tool-trigger {
    width: auto;
    padding: 0;
    justify-content: flex-start;
  }

  .site-header--suite .site-nav-tool-link {
    display: none;
  }

  .site-header--tool .site-nav-tool-link {
    display: none !important;
  }

  .site-header--tool .site-nav-tool-picker {
    display: none;
  }

  /* Single public tool: plain link, no dropdown (default before JS + count=1) */
  .site-header--tool .site-nav-tools:not([data-tools-count]) .site-nav-tool-link[data-tool="tabs"],
  .site-header--tool .site-nav-tools[data-tools-count="1"] .site-nav-tool-link[data-tool="tabs"] {
    display: inline-flex !important;
    align-items: baseline;
  }

  /* Multiple public tools: dropdown picker */
  .site-header--tool .site-nav-tools[data-tools-count]:not([data-tools-count="1"]) .site-nav-tool-picker {
    display: block;
  }

  .site-nav .site-nav-tool-menu .site-nav-tool-option {
    display: block;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
  }
}