/* Precision HUD treatment for secondary header controls. Keep geometry shared;
   theme tokens preserve Ember's orange and Arena's lime/cyan identities. */
:root,
html[data-site-theme="dark"] {
  --header-hud-surface: #1a1515;
  --header-hud-surface-hover: #211816;
  --header-hud-rail: rgba(26, 21, 21, .72);
  --header-hud-edge: #59403a;
  --header-hud-separator: rgba(89, 64, 58, .78);
  --header-hud-accent: #ff825b;
  --header-hud-secondary: #c9aaa0;
  --header-hud-muted: #b7a29b;
  --header-hud-text: #f4eeec;
  --header-hud-wash: rgba(255, 130, 91, .07);
  --header-hud-glow: rgba(255, 130, 91, .12);
  --header-hud-active-glow: rgba(255, 130, 91, .35);
}

html[data-site-theme="arena"] {
  --header-hud-surface: #081a28;
  --header-hud-surface-hover: #102a3a;
  --header-hud-rail: rgba(8, 26, 40, .72);
  --header-hud-edge: #28516b;
  --header-hud-separator: rgba(40, 81, 107, .78);
  --header-hud-accent: #9af64b;
  --header-hud-secondary: #c3d1dc;
  --header-hud-muted: #a5b5c2;
  --header-hud-text: #f2f7fb;
  --header-hud-wash: rgba(154, 246, 75, .07);
  --header-hud-glow: rgba(154, 246, 75, .12);
  --header-hud-active-glow: rgba(154, 246, 75, .35);
}

/* Upper utility links become one quiet rail, visually subordinate to training. */
.header-primary-links {
  gap: 0;
  padding: 4px;
  border: 1px solid var(--header-hud-edge);
  background: var(--header-hud-rail);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

.header-primary-links .nav-link {
  min-height: 36px;
  padding: 8px 14px;
  border: 0 !important;
  border-radius: 0;
  background: transparent !important;
  color: var(--header-hud-secondary) !important;
  transition: color .18s, background .18s, box-shadow .18s;
}

.header-primary-links .nav-link + .nav-link {
  border-inline-start: 1px solid var(--header-hud-separator) !important;
}

.header-primary-links .nav-link:hover,
.header-primary-links .nav-link:focus-visible {
  color: var(--header-hud-text) !important;
  background: var(--header-hud-wash) !important;
}

.header-primary-links .nav-link[aria-current="page"] {
  color: var(--header-hud-text) !important;
}

.header-primary-links .nav-link[aria-current="page"]::after {
  inset-inline: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 0;
  background: var(--header-hud-accent) !important;
  box-shadow: 0 0 9px var(--header-hud-active-glow);
}

/* Account and locale controls use compact clipped HUD frames in both themes. */
.header-utility .account-open-button,
.header-utility .language-control,
.header-exercises .nav-link[data-page-link="setup"] {
  position: relative;
  border: 1px solid var(--header-hud-edge) !important;
  border-radius: 0;
  background: var(--header-hud-surface) !important;
  color: var(--header-hud-text) !important;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  box-shadow: none;
  transition: border-color .18s, background .18s, color .18s, box-shadow .18s;
}

.header-utility .account-open-button::after,
.header-utility .language-control::after,
.header-exercises .nav-link[data-page-link="setup"]::after {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 8px;
  width: 10px;
  height: 2px;
  background: var(--header-hud-accent);
  opacity: .9;
  pointer-events: none;
}

.header-utility .account-open-button,
.header-utility .language-control {
  min-height: 40px;
}

.header-utility .account-open-button:hover,
.header-utility .account-open-button:focus-visible,
.header-utility .language-control:focus-within,
.header-exercises .nav-link[data-page-link="setup"]:hover {
  border-color: var(--header-hud-accent) !important;
  background: var(--header-hud-surface-hover) !important;
  color: var(--header-hud-text) !important;
  box-shadow: 0 0 16px var(--header-hud-glow);
}

.header-utility .account-open-button:focus-visible,
.header-utility .language-control:focus-within,
.header-exercises .nav-link[data-page-link="setup"]:focus-visible,
.header-primary-links .nav-link:focus-visible {
  outline: 2px solid var(--header-hud-accent) !important;
  outline-offset: 3px;
  clip-path: none;
}

.header-utility .language-control select {
  color: var(--header-hud-text);
  background: transparent;
}

.header-utility .language-control select option {
  color: var(--header-hud-text);
  background: var(--header-hud-surface);
}

/* Settings stays accessible at the end of the training row without competing
   with the active workout action. */
.header-exercises .nav-link[data-page-link="setup"] {
  min-height: 42px;
  padding: 9px 18px;
  color: var(--header-hud-muted) !important;
  font-weight: 600;
}

.header-exercises .nav-link[data-page-link="setup"]:hover,
.header-exercises .nav-link[data-page-link="setup"][aria-current="page"] {
  color: var(--header-hud-accent) !important;
}

.header-utility .theme-switch {
  padding-inline-start: 10px;
  border-inline-start: 1px solid var(--header-hud-edge);
}

.header-utility .theme-swatch[aria-pressed="true"] {
  box-shadow: 0 0 0 2px var(--header-hud-surface), 0 0 0 3px var(--header-hud-accent), 0 0 12px var(--header-hud-active-glow);
}

@media (max-width: 1050px) {
  .header-primary-links { max-width: 100%; }
  .header-utility { gap: 9px; }
}

@media (max-width: 620px) {
  .header-primary-links {
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: thin;
    scrollbar-color: var(--header-hud-edge) transparent;
  }
  .header-primary-links .nav-link { padding-inline: 10px; }
  .header-utility { gap: 8px; }
  .header-utility .theme-switch { margin-inline-start: 0; }
  .header-exercises .nav-link[data-page-link="setup"] { margin-inline-start: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .header-primary-links .nav-link,
  .header-utility .account-open-button,
  .header-exercises .nav-link[data-page-link="setup"] { transition: none; }
}

/* Full Precision HUD pass: strong geometry and deliberate controls, matching
   the approved concept instead of leaving the existing header nearly intact. */
.topbar {
  position: relative;
  isolation: isolate;
  gap: 9px 18px;
  padding: 13px 16px 15px;
  overflow: visible;
  border: 1px solid var(--header-hud-edge) !important;
  border-radius: 0 !important;
  background:
    linear-gradient(90deg, var(--header-hud-glow), transparent 18% 82%, var(--header-hud-glow)),
    var(--header-hud-surface) !important;
  box-shadow: inset 0 0 0 1px var(--header-hud-separator), 0 12px 28px rgba(0, 0, 0, .2) !important;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% calc(100% - 14px), calc(100% - 14px) 100%, 14px 100%, 0 calc(100% - 14px));
}

.topbar::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 5px;
  border: 1px solid var(--header-hud-separator);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px));
  pointer-events: none;
}

.topbar::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset-block-start: 0;
  inset-inline-start: 24px;
  width: 74px;
  height: 3px;
  background: var(--header-hud-accent);
  box-shadow: 0 0 13px var(--header-hud-active-glow);
  pointer-events: none;
}

.topbar > * { position: relative; z-index: 1; }

.brand {
  gap: 11px;
  color: var(--header-hud-text) !important;
  letter-spacing: .04em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1px solid var(--header-hud-accent) !important;
  box-shadow: 0 0 14px var(--header-hud-glow), inset 0 0 0 4px var(--header-hud-surface);
}

.brand-mark span {
  width: 11px;
  height: 11px;
  background: var(--header-hud-accent) !important;
  box-shadow: 0 0 12px var(--header-hud-active-glow) !important;
}

.header-primary-links {
  gap: 0;
  min-height: 48px;
  padding: 3px;
  border: 1px solid var(--header-hud-edge) !important;
  background: rgba(2, 11, 18, .68) !important;
  box-shadow: inset 0 0 0 1px var(--header-hud-separator);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.header-primary-links .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding: 8px 14px;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  color: var(--header-hud-text) !important;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .01em;
  clip-path: none;
}

.header-primary-links .nav-link + .nav-link {
  border-inline-start: 1px solid var(--header-hud-separator) !important;
}

.header-primary-links .nav-link::before {
  display: inline-grid;
  place-items: center;
  width: 18px;
  color: var(--header-hud-accent);
  font: 700 17px/1 var(--display);
}

.header-primary-links .nav-link[data-page-link="home"]::before { content: "⌂"; }
.header-primary-links .nav-link[data-page-link="random-crosshair"]::before { content: "⌖"; }
.header-primary-links .nav-link[data-page-link="crosshairs"]::before { content: "▤"; }

.header-primary-links .nav-link:hover,
.header-primary-links .nav-link:focus-visible {
  color: var(--header-hud-accent) !important;
  background: var(--header-hud-wash) !important;
}

.header-primary-links .nav-link[aria-current="page"]::after {
  inset-inline: 12px;
  bottom: 0;
  height: 2px;
  background: var(--header-hud-accent) !important;
  box-shadow: 0 0 9px var(--header-hud-active-glow);
}

.header-utility {
  gap: 9px;
  padding-inline-start: 10px;
  border-inline-start: 1px solid var(--header-hud-separator);
}

.header-utility .account-open-button,
.header-utility .language-control {
  min-height: 42px;
  border: 1px solid var(--header-hud-edge) !important;
  border-radius: 0 !important;
  background: rgba(2, 11, 18, .68) !important;
  color: var(--header-hud-text) !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .025) !important;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

.header-utility .account-open-button::after,
.header-utility .language-control::after {
  inset-inline-start: 8px;
  inset-inline-end: auto;
  width: 13px;
  opacity: .95;
}

.header-utility .account-open-button:hover,
.header-utility .account-open-button:focus-visible,
.header-utility .language-control:focus-within {
  border-color: var(--header-hud-accent) !important;
  background: var(--header-hud-surface-hover) !important;
  color: var(--header-hud-accent) !important;
}

.header-utility .language-control select,
.header-utility .language-control select option {
  color: var(--header-hud-text) !important;
}

.header-utility .theme-switch {
  gap: 8px;
  margin-inline-start: 1px;
  padding-inline-start: 10px;
  border-inline-start: 1px solid var(--header-hud-separator);
}

.header-utility .theme-swatch {
  width: 29px;
  height: 29px;
  border: 1px solid var(--header-hud-edge);
}

.header-utility .theme-swatch[aria-pressed="true"] {
  border-color: var(--header-hud-accent);
  box-shadow: 0 0 0 2px var(--header-hud-surface), 0 0 0 3px var(--header-hud-accent), 0 0 13px var(--header-hud-active-glow);
}

.header-exercises {
  gap: 9px;
  padding: 11px 0 0;
  border-top: 1px solid var(--header-hud-separator);
}

.header-exercises .nav-link[data-page-link] {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 13px 19px;
  border: 1px solid var(--header-hud-accent) !important;
  border-radius: 0 !important;
  background: rgba(2, 11, 18, .78) !important;
  color: var(--header-hud-accent) !important;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .015em;
  box-shadow: inset 0 0 0 1px var(--header-hud-wash);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background .18s, color .18s, box-shadow .18s, transform .18s;
}

.header-exercises .nav-link[data-page-link]::before {
  display: inline-grid;
  place-items: center;
  width: 20px;
  flex: 0 0 20px;
  color: var(--header-hud-accent);
  font: 700 18px/1 var(--display);
}

.header-exercises .nav-link[data-page-link="warmup"]::before { content: "⌖"; }
.header-exercises .nav-link[data-page-link="practice"]::before { content: "▂▅▇"; font-size: 13px; letter-spacing: -3px; }
.header-exercises .nav-link[data-page-link="flashes"]::before { content: "ϟ"; font-size: 22px; }
.header-exercises .nav-link[data-page-link="reaction"]::before { content: "◴"; }
.header-exercises .nav-link[data-page-link="reaction-drills"]::before { content: "⊞"; }
.header-exercises .nav-link[data-page-link="setup"]::before { content: "⚙"; }

.header-exercises .nav-link[data-page-link]::after {
  content: "///";
  position: absolute;
  inset-block-start: 3px;
  inset-inline-start: 10px;
  color: var(--header-hud-accent);
  font: 700 7px/1 var(--display);
  letter-spacing: 1px;
  opacity: .78;
  pointer-events: none;
}

.header-exercises .nav-link[data-page-link]:hover,
.header-exercises .nav-link[data-page-link]:focus-visible {
  transform: translateY(-1px);
  border-color: var(--header-hud-accent) !important;
  background: var(--header-hud-wash) !important;
  color: var(--header-hud-text) !important;
  box-shadow: inset 0 0 0 1px var(--header-hud-accent), 0 0 17px var(--header-hud-glow);
}

.header-exercises .nav-link[data-page-link="warmup"],
.header-exercises .nav-link[data-page-link][aria-current="page"] {
  background: var(--header-hud-accent) !important;
  color: var(--header-hud-surface) !important;
  box-shadow: inset 0 -3px rgba(0, 0, 0, .23), 0 0 17px var(--header-hud-glow);
}

.header-exercises .nav-link[data-page-link="warmup"]::before,
.header-exercises .nav-link[data-page-link][aria-current="page"]::before,
.header-exercises .nav-link[data-page-link="warmup"]::after,
.header-exercises .nav-link[data-page-link][aria-current="page"]::after {
  color: var(--header-hud-surface);
}

.header-exercises .nav-link[data-page-link="setup"] {
  min-height: 46px;
  margin-inline-start: auto;
  padding: 10px 17px;
  border-color: var(--header-hud-edge) !important;
  background: transparent !important;
  color: var(--header-hud-muted) !important;
  box-shadow: inset 0 0 0 1px var(--header-hud-separator);
}

.header-exercises .nav-link[data-page-link="setup"]:hover,
.header-exercises .nav-link[data-page-link="setup"][aria-current="page"] {
  border-color: var(--header-hud-accent) !important;
  color: var(--header-hud-accent) !important;
  background: var(--header-hud-wash) !important;
}

.header-exercises .nav-link[data-page-link="setup"]::after {
  inset-inline-start: auto;
  inset-inline-end: 10px;
}

.header-primary-links .nav-link:focus-visible,
.header-utility .account-open-button:focus-visible,
.header-utility .language-control:focus-within,
.header-exercises .nav-link[data-page-link]:focus-visible {
  outline: 2px solid var(--header-hud-text) !important;
  outline-offset: 3px;
  clip-path: none;
}

html[dir="rtl"] .header-primary-links .nav-link,
html[dir="rtl"] .header-exercises .nav-link[data-page-link] { direction: rtl; }

@media (max-width: 1050px) {
  .header-utility { grid-row: 2; justify-content: flex-end; border-inline-start: 0; padding-inline-start: 0; }
  .header-exercises { grid-row: 3; }
}

@media (max-width: 620px) {
  .topbar { padding: 11px; }
  .header-primary-links { min-height: 42px; }
  .header-primary-links .nav-link { gap: 5px; padding-inline: 8px; font-size: 11px; }
  .header-primary-links .nav-link::before { width: 14px; font-size: 14px; }
  .header-utility { justify-content: flex-start; }
  .header-utility .account-open-button, .header-utility .language-control { min-height: 38px; }
  .header-exercises { gap: 7px; }
  .header-exercises .nav-link[data-page-link] { min-height: 46px; padding: 10px 11px; gap: 6px; font-size: 11px; }
  .header-exercises .nav-link[data-page-link]::before { width: 16px; flex-basis: 16px; font-size: 15px; }
  .header-exercises .nav-link[data-page-link="flashes"]::before { font-size: 19px; }
  .header-exercises .nav-link[data-page-link="setup"] { margin-inline-start: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .header-exercises .nav-link[data-page-link] { transition: none; }
}

/* Keep the header geometry identical when the color theme changes. */
.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  justify-content: initial;
  align-items: center;
}

@media (min-width: 1051px) {
  /* Keep the home content start line steady across Ember and Arena. */
  html[data-site-theme] .topbar { height: 152px !important; min-height: 152px !important; }
}

.header-primary {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

/* Lock the upper navigation and utility-control slots across both themes. */
html[data-site-theme] .header-primary-links {
  width: 460px !important;
  min-width: 460px !important;
  flex: 0 0 460px !important;
}

html[data-site-theme] .header-primary-links .nav-link {
  height: 38px !important;
  min-height: 38px !important;
  padding: 8px 14px !important;
  flex: 0 0 auto !important;
  box-sizing: border-box !important;
  font-size: 13px !important;
  font-weight: 600 !important;
}

html[data-site-theme] .header-primary-links .nav-link[data-page-link="home"] { width: 97px !important; }
html[data-site-theme] .header-primary-links .nav-link[data-page-link="random-crosshair"] { width: 184px !important; }
html[data-site-theme] .header-primary-links .nav-link[data-page-link="crosshairs"] { width: 171px !important; }

html[data-site-theme] .header-utility {
  width: 354px !important;
  min-width: 354px !important;
  flex: 0 0 354px !important;
  box-sizing: border-box !important;
}

html[data-site-theme] .header-utility .account-open-button {
  width: 64px !important;
  min-width: 64px !important;
  height: 42px !important;
  flex: 0 0 64px !important;
  padding: 8px 7px !important;
  box-sizing: border-box !important;
}

html[data-site-theme] .header-utility .language-control {
  width: 182px !important;
  min-width: 182px !important;
  height: 42px !important;
  flex: 0 0 182px !important;
  box-sizing: border-box !important;
}

html[data-site-theme] .header-utility .theme-switch {
  width: 78px !important;
  min-width: 78px !important;
  flex: 0 0 78px !important;
  box-sizing: border-box !important;
}

.header-primary-links,
.header-utility {
  flex-wrap: nowrap;
}

.header-utility {
  grid-column: 2;
  grid-row: 1;
}

.header-exercises {
  grid-column: 1 / -1;
  grid-row: 2;
  flex-wrap: nowrap;
}

.header-exercises .nav-link[data-page-link] {
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
}

/* Arena has legacy, more-specific padding rules for Warm-up and Reaction.
   Override only geometry here; each theme still controls its own colors. */
html[data-site-theme] .header-exercises .nav-link[data-page-link] {
  height: 54px !important;
  min-height: 54px !important;
  flex: 0 0 auto !important;
  padding: 13px 19px !important;
  box-sizing: border-box !important;
  font-size: 14px !important;
  font-weight: 700 !important;
}

html[data-site-theme] .header-exercises .nav-link[data-page-link="warmup"] { width: 138px !important; }
html[data-site-theme] .header-exercises .nav-link[data-page-link="practice"] { width: 128px !important; }
html[data-site-theme] .header-exercises .nav-link[data-page-link="flashes"] { width: 170px !important; }
html[data-site-theme] .header-exercises .nav-link[data-page-link="reaction"] { width: 205px !important; }
html[data-site-theme] .header-exercises .nav-link[data-page-link="reaction-drills"] { width: 218px !important; }
html[data-site-theme] .header-exercises .nav-link[data-page-link="setup"] { width: 124px !important; }

/* Replace the bar-chart glyph beside Practice with a compact target mark.
   The 13px mark is 35% smaller than the previous 20px icon slot. */
.header-exercises .nav-link[data-page-link="practice"]::before {
  content: "";
  width: 13px;
  height: 13px;
  flex: 0 0 13px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: radial-gradient(circle, currentColor 0 1px, transparent 1.6px 4px, currentColor 4.5px 5px, transparent 5.6px);
  font-size: 0;
  letter-spacing: 0;
}

@media (max-width: 1050px) {
  .topbar { grid-template-columns: minmax(0, 1fr); height: auto !important; min-height: 0 !important; }
  html[data-site-theme] .header-primary-links { width: auto !important; min-width: 0 !important; flex: 0 1 auto !important; }
  html[data-site-theme] .header-utility { width: auto !important; min-width: 0 !important; flex: 0 1 auto !important; }
  .header-utility { grid-column: 1; grid-row: 2; }
  .header-exercises { grid-column: 1; grid-row: 3; flex-wrap: wrap; }
}

@media (max-width: 620px) {
  html[data-site-theme] .header-primary-links .nav-link[data-page-link] { width: auto !important; }
  html[data-site-theme] .header-utility .account-open-button { width: auto !important; min-width: 64px !important; }
  html[data-site-theme] .header-utility .language-control { width: auto !important; min-width: 150px !important; }
  html[data-site-theme] .header-utility .theme-switch { width: auto !important; min-width: 78px !important; flex-basis: auto !important; }
  .header-primary-links { flex-wrap: nowrap; }
  .header-exercises { flex-wrap: wrap; }
  html[data-site-theme] .header-exercises .nav-link[data-page-link] {
    width: auto !important;
    height: 46px !important;
    min-height: 46px !important;
    padding: 10px 11px !important;
    font-size: 11px !important;
  }
}