/* docs/features/technical/mode-nav/ */

.town-field.game-stage {
  /* Wallet HUD horizontal reserve — stage-relative (same frame as --gs-*). */
  --hud-reserve: calc(var(--gs-u-h) * 30);
  --mode-nav-gap-after: calc(var(--gs-u-h) * 0.28);
  --mode-nav-shell-py: calc(var(--gs-u-h) * 0.42);
  --mode-nav-shell-px: calc(var(--gs-u-h) * 0.72);
  /* Tray grows with tabs; do not force a shorter shell than tab chrome. */
  --mode-nav-shell-min-h: 0;
  --mode-tab-fs: var(--gs-text-sm);
  --mode-tab-pad-y: calc(var(--gs-u-h) * 0.36);
  --mode-tab-pad-x: calc(var(--gs-u-h) * 0.82);
  --mode-tab-min-h: calc(var(--gs-u-h) * 5);
  /* Hub exit: square hit target (icon-only; large memorable glyph). */
  --mode-back-h: calc(var(--gs-u-h) * 5.4);
  --mode-back-min-w: var(--mode-back-h);
  /* Horizontal rhythm: back control ↔ mode tabs (one tray; larger than generic flex gap). */
  --mode-nav-exit-modes-gap: calc(var(--gs-u-h) * 1.85);
}

.town-field.game-stage.town-field--stub:has(#armory-equip-root),
.town-field.game-stage.town-field--stub:has(.game-mode-bar),
.town-field.game-stage.town-field--library:has(.game-mode-bar) {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 0;
  min-width: 0;
  box-sizing: border-box;
}

/* Shrink-wrap to tab content; cap width at stage minus wallet HUD reserve (never wrap tabs). */
.game-mode-bar {
  display: inline-flex;
  flex-direction: column;
  flex-shrink: 0;
  align-self: flex-start;
  box-sizing: border-box;
  width: auto;
  max-width: calc(100% - var(--hud-reserve));
  margin: 0 0 var(--mode-nav-gap-after);
  padding: 0;
  min-width: min-content;
}

/* z-index above next sibling so the hub-exit tooltip is not painted under the action area. */
.town-field.game-stage .workbench-root > .game-mode-bar,
.town-field.game-stage #armory-equip-root.armory-equip > .game-mode-bar,
.town-field.game-stage .quest-journal-root > .game-mode-bar,
.town-field.game-stage .library-root > .game-mode-bar,
.town-field.game-stage .town-tavern-page--full > .game-mode-bar,
.town-field.game-stage .armory-forge-stub > .game-mode-bar,
.town-field.game-stage .arena-root > .game-mode-bar,
.town-field.game-stage .tower-root > .game-mode-bar {
  position: relative;
  z-index: 100;
}

/* Layer 1 — chrome tray: fixed vertical rhythm (exit + tabs read as one rail). */
.game-mode-bar__inner {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  align-content: center;
  column-gap: var(--mode-nav-exit-modes-gap);
  box-sizing: border-box;
  flex: 0 0 auto;
  width: auto;
  min-width: min-content;
  max-width: none;
  min-height: var(--mode-nav-shell-min-h);
  padding: var(--mode-nav-shell-py) var(--mode-nav-shell-px);
  border-radius: var(--gs-radius-md);
}

.game-mode-bar__inner.brass-panel {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow:
    0 10px 32px rgba(0, 0, 0, 0.48),
    inset 0 1px 0 rgba(255, 235, 210, 0.12),
    inset 0 -1px 0 rgba(0, 0, 0, 0.34),
    0 0 0 var(--brass-panel-border-width) rgba(255, 232, 188, 0.3) inset,
    0 0 0 calc(var(--brass-panel-border-width) * 2) rgba(72, 48, 24, 0.26) inset;
}

.game-mode-bar__inner.brass-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.52));
}

.game-mode-bar__modes {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  align-content: center;
  align-self: center;
  gap: calc(var(--gs-u-h) * 0.48);
  min-width: min-content;
  flex: 0 0 auto;
  overflow: visible;
  /* Tie tabs to the back control: shared rail + air before first tab. */
  /* Tab label: --gs-text-sm (stage-relative). */
  padding: 0 0 0 calc(var(--gs-u-h) * 1.45);
  margin: 0;
  border-left: 1px solid rgba(255, 210, 160, 0.14);
  box-shadow: inset 1px 0 0 rgba(0, 0, 0, 0.22);
}

.game-mode-bar__exit {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  min-width: 0;
  padding: 0;
  /* Tooltip lives here; stack above .game-mode-bar__modes so it isn’t painted under tab chrome. */
  position: relative;
  z-index: 15;
}

.town-exit-door.town-exit-door--mode-rail {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--mode-back-h);
  height: var(--mode-back-h);
  min-width: var(--mode-back-min-w);
  padding: 0;
  border-radius: 999px;
  text-decoration: none;
  line-height: 0;
  color: #e5983a;
  background: transparent;
  border: none;
  box-shadow: none;
  transition:
    color 0.18s ease,
    background 0.18s ease;
}

/* Drop-shadow + scale on the SVG only — avoids filter/transform on <a> trapping position:fixed ::after tooltips. */
.town-exit-door__icon {
  width: calc(var(--gs-u-w) * 6);
  height: calc(var(--gs-u-h) * 6);
  flex-shrink: 0;
  display: block;
  transform-origin: center center;
  transition:
    transform 0.22s cubic-bezier(0.34, 1.25, 0.64, 1),
    filter 0.18s ease;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.55));
}

.town-exit-door.town-exit-door--mode-rail:hover {
  color: #ffe8c4;
  background: rgba(255, 185, 95, 0.09);
}

.town-exit-door.town-exit-door--mode-rail:hover .town-exit-door__icon {
  transform: scale(1.03);
  filter:
    drop-shadow(0 2px 5px rgba(0, 0, 0, 0.42))
    drop-shadow(0 0 14px rgba(255, 150, 45, 0.38));
}

.town-exit-door.town-exit-door--mode-rail:active {
  color: #ffd89a;
  background: rgba(255, 150, 55, 0.11);
}

.town-exit-door.town-exit-door--mode-rail:active .town-exit-door__icon {
  transform: scale(0.97);
  filter:
    drop-shadow(0 1px 3px rgba(0, 0, 0, 0.5))
    drop-shadow(0 0 10px rgba(255, 130, 35, 0.32));
}

.town-exit-door.town-exit-door--mode-rail:focus-visible {
  outline: 2px solid rgba(255, 200, 110, 0.85);
  outline-offset: 3px;
}

/* Castle / formation header row — align with mode nav vertical center */
.workbench-top__row {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: calc(var(--gs-u-h) * 0.68);
}

.workbench-top {
  flex-shrink: 0;
  margin-bottom: var(--mode-nav-gap-after);
  position: relative;
  z-index: 12;
}

.workbench-top__text {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: calc(var(--gs-u-h) * 0.34);
}

/* Adventure kingdom / zone maps — mode tabs above wallet/dock (see armory-equip / workbench-root z-index). */
.campaign-map .campaign-map__topbar {
  position: absolute;
  top: calc(var(--gs-u-h) * 2.4);
  left: calc(var(--gs-u-w) * 2.4);
  z-index: 14;
  box-sizing: border-box;
  display: block;
  width: fit-content;
  max-width: calc(100% - var(--hud-reserve));
  overflow: visible;
}

.campaign-map .campaign-map__topbar > .game-mode-bar {
  flex-shrink: 0;
  min-width: min-content;
}

/* Adventure: Town / World Map tabs only (no hub-exit column). */
.game-mode-bar--modes-only .game-mode-bar__exit {
  display: none;
}

.game-mode-bar--modes-only .game-mode-bar__inner {
  column-gap: 0;
}

/* No hub-exit column — drop exit↔tabs divider and extra leading pad on the modes strip. */
.game-mode-bar--modes-only .game-mode-bar__modes {
  padding-left: 0;
  margin: 0;
  border-left: 0;
  box-shadow: none;
}

.game-mode-bar--modes-only button.game-mode-bar__link {
  cursor: pointer;
  appearance: none;
}

.adventure-mode-bar__fight-form {
  display: inline-flex;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

/* Defeat legacy town-shell subnav classes when reused on mode-bar tabs. */
.game-mode-bar .game-mode-bar__modes :is(.army-subnav__link, .armory-subnav__link) {
  font-family: var(--game-font-display);
  font-size: var(--mode-tab-fs);
  font-weight: 600;
  line-height: 1.12;
  padding: var(--mode-tab-pad-y) var(--mode-tab-pad-x);
  min-height: var(--mode-tab-min-h);
  border-radius: var(--gs-radius-sm);
}

/* One typography + box model for every tab control (link, button, active h1). */
.game-mode-bar .game-mode-bar__modes :is(a, button, span).game-mode-bar__link,
.game-mode-bar .game-mode-bar__modes .game-mode-bar__title {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-height: var(--mode-tab-min-h);
  padding: var(--mode-tab-pad-y) var(--mode-tab-pad-x);
  border-radius: var(--gs-radius-sm);
  margin: 0;
  font-family: var(--game-font-display);
  font-size: var(--mode-tab-fs);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.12;
  white-space: nowrap;
}

.game-mode-bar .game-mode-bar__modes .game-mode-bar__tab-caption {
  font-family: inherit;
}

/* Inactive tab finish (typography + box from shared rule above). */
.game-mode-bar .game-mode-bar__link {
  text-decoration: none;
  opacity: 0.78;
  color: rgba(200, 182, 155, 0.9);
  border: 1px solid rgba(255, 190, 120, 0.35);
  background:
    linear-gradient(rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.22)),
    url("/assets/icons/decals/button-decal.webp?v=b58ecc19c550") center / 100% 100% no-repeat;
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(0, 0, 0, 0.25) inset;
  transition:
    opacity 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.14s ease;
}

.game-mode-bar .game-mode-bar__link:hover:not(.game-mode-bar__link--disabled) {
  opacity: 1;
  color: rgba(255, 236, 210, 0.96);
  border-color: rgba(255, 185, 115, 0.45);
  box-shadow:
    0 6px 16px rgba(0, 0, 0, 0.58),
    0 0 12px rgba(255, 140, 60, 0.12),
    inset 0 1px 0 rgba(255, 220, 185, 0.08),
    inset 0 -3px 8px rgba(0, 0, 0, 0.38);
  transform: translateY(-2px);
}

.game-mode-bar .game-mode-bar__link:active:not(.game-mode-bar__link--disabled) {
  transform: translateY(0);
}

.game-mode-bar .game-mode-bar__title.game-mode-bar__title--current {
  position: relative;
  z-index: 2;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #fffdf6;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18),
    0 -1px 2px rgba(0, 0, 0, 0.5);
  opacity: 1;
  border: 1px solid rgba(255, 228, 170, 0.8);
  background:
    linear-gradient(rgba(255, 232, 190, 0.16), rgba(0, 0, 0, 0.2)),
    url("/assets/icons/decals/button-decal.webp?v=b58ecc19c550") center / 100% 100% no-repeat;
  box-shadow:
    0 0 20px rgba(255, 185, 90, 0.32),
    0 6px 18px rgba(0, 0, 0, 0.52),
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 rgba(0, 0, 0, 0.45);
}

.game-mode-bar__link--disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(0.55);
}

.game-mode-bar--tab-stack {
  --mode-tab-min-h: calc(var(--gs-u-h) * 5.2);
  --mode-tab-pad-y: calc(var(--gs-u-h) * 0.18);
  --mode-tab-pad-x: calc(var(--gs-u-h) * 0.52);
  --mode-tab-caption-fs: calc(var(--gs-u-h) * 1.78);
}

.game-mode-bar--tab-stack .game-mode-bar__modes {
  gap: calc(var(--gs-u-h) * 0.22);
}

.game-mode-bar--tab-stack .game-mode-bar__link--stack,
.game-mode-bar--tab-stack .game-mode-bar__title.game-mode-bar__title--stack {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: calc(var(--gs-u-h) * 0.22);
  white-space: nowrap;
  text-align: center;
  line-height: 1;
}

.game-mode-bar--tab-stack .game-mode-bar__tab-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
  line-height: 0;
}

.game-mode-bar--tab-stack .game-mode-bar__tab-svg {
  display: block;
}

.game-mode-bar--tab-stack .game-mode-bar__tab-caption {
  font-size: var(--mode-tab-caption-fs);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-variant: all-small-caps;
  color: rgba(200, 182, 155, 0.82);
}

.game-mode-bar--tab-stack .game-mode-bar__title.game-mode-bar__title--current.game-mode-bar__title--stack {
  font-size: var(--mode-tab-caption-fs);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55);
}

.game-mode-bar--tab-stack .game-mode-bar__title.game-mode-bar__title--stack.game-mode-bar__title--current .game-mode-bar__tab-caption {
  color: rgba(255, 248, 235, 0.88);
}

.game-mode-bar--tab-stack .game-mode-bar__link--stack:hover:not(.game-mode-bar__link--disabled) .game-mode-bar__tab-caption {
  color: rgba(255, 236, 210, 0.92);
}

@media (prefers-reduced-motion: reduce) {
  .game-mode-bar .game-mode-bar__link,
  .town-exit-door.town-exit-door--mode-rail {
    transition: none;
  }
  .town-exit-door__icon {
    transition: none;
  }
  .game-mode-bar .game-mode-bar__link:hover:not(.game-mode-bar__link--disabled),
  .town-exit-door.town-exit-door--mode-rail:hover .town-exit-door__icon,
  .town-exit-door.town-exit-door--mode-rail:active .town-exit-door__icon {
    transform: none;
  }
}