/* Premium five-flame navigation. Rebrand-scoped; current /app is unchanged. */
html.ke-rebrand-mode #tab-bar,
body.ke-rebrand-active [id="tab-bar"] {
  --ke-flame-paper: var(--ke-paper, #fdfbf7);
  --ke-flame-cream: var(--ke-porcelain-400, #f4ebe0);
  --ke-flame-gold: var(--ke-gold, #d9b671);
  --ke-flame-burgundy: var(--ke-burgundy, #602537);
  --ke-flame-ink: var(--ke-ink, #1a2830);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .035), transparent 30%),
    rgba(16, 27, 34, .965);
  border-top: 1px solid rgba(236, 208, 142, .2) !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .035), 0 -14px 34px rgba(16, 27, 34, .13);
  min-height: 84px;
  padding: 3px max(4px, env(safe-area-inset-right, 0px)) calc(3px + var(--sab));
  -webkit-backdrop-filter: blur(24px) saturate(1.12);
  backdrop-filter: blur(24px) saturate(1.12);
}

html.ke-rebrand-mode #tab-bar::before,
body.ke-rebrand-active [id="tab-bar"]::before {
  background: linear-gradient(90deg, transparent 5%, rgba(217, 182, 113, .12) 20%, rgba(236, 208, 142, .56) 50%, rgba(217, 182, 113, .12) 80%, transparent 95%);
  height: 1px;
}

.ke-flame-tab-icon { display: none; }

html.ke-rebrand-mode #tab-bar .tab-btn,
body.ke-rebrand-active [id="tab-bar"] .tab-btn {
  color: rgba(244, 235, 224, .68) !important;
  gap: 0;
  min-height: 68px;
  min-width: 44px;
  padding: 2px 2px 3px;
  transform: translateZ(0);
}

html.ke-rebrand-mode #tab-bar .tab-btn::before,
body.ke-rebrand-active [id="tab-bar"] .tab-btn::before {
  background: linear-gradient(90deg, transparent, var(--ke-flame-gold), transparent);
  border-radius: 0 0 3px 3px;
  box-shadow: 0 1px 7px rgba(217, 182, 113, .34);
  display: block;
  height: 2px;
  top: -3px;
  transform: translateX(-50%) scaleX(0);
  transition: transform var(--ke-duration-base, 240ms) var(--ke-ease-emphasized, cubic-bezier(.16, 1, .3, 1));
  width: 30px;
}

html.ke-rebrand-mode #tab-bar .tab-btn.active::before,
html.ke-rebrand-mode #tab-bar .tab-btn[aria-current="page"]::before,
body.ke-rebrand-active [id="tab-bar"] .tab-btn.active::before,
body.ke-rebrand-active [id="tab-bar"] .tab-btn[aria-current="page"]::before {
  transform: translateX(-50%) scaleX(1);
}

html.ke-rebrand-mode #tab-bar .tab-btn:focus-visible,
body.ke-rebrand-active [id="tab-bar"] .tab-btn:focus-visible {
  border-radius: var(--ke-radius-control, 12px);
  outline: 2px solid var(--ke-gold-300, #ecd08e);
  outline-offset: -3px;
}

html.ke-rebrand-mode #tab-bar .tab-icon-wrap { display: none; }
body.ke-rebrand-active [id="tab-bar"] .tab-icon-wrap { display: none; }

html.ke-rebrand-mode #tab-bar .ke-flame-tab-icon,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-tab-icon {
  display: grid;
  height: 50px;
  isolation: isolate;
  place-items: center;
  position: relative;
  width: 50px;
}

html.ke-rebrand-mode #tab-bar .ke-flame-tab-icon::before,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-tab-icon::before {
  background:
    radial-gradient(circle at 38% 28%, rgba(255, 255, 255, .11), transparent 24%),
    radial-gradient(circle, rgba(217, 182, 113, .16), rgba(217, 182, 113, .04) 53%, transparent 72%);
  border: 1px solid transparent;
  border-radius: 50%;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .035);
  content: '';
  height: 44px;
  opacity: 0;
  position: absolute;
  transform: scale(.82);
  transition:
    border-color var(--ke-duration-base, 240ms) var(--ke-ease-standard, ease),
    box-shadow var(--ke-duration-base, 240ms) var(--ke-ease-standard, ease),
    opacity var(--ke-duration-fast, 160ms) var(--ke-ease-standard, ease),
    transform var(--ke-duration-slow, 360ms) var(--ke-ease-emphasized, ease);
  width: 44px;
  z-index: -1;
}

html.ke-rebrand-mode #tab-bar .tab-btn.active .ke-flame-tab-icon::before,
html.ke-rebrand-mode #tab-bar .tab-btn[aria-current="page"] .ke-flame-tab-icon::before,
body.ke-rebrand-active [id="tab-bar"] .tab-btn.active .ke-flame-tab-icon::before,
body.ke-rebrand-active [id="tab-bar"] .tab-btn[aria-current="page"] .ke-flame-tab-icon::before {
  border-color: rgba(236, 208, 142, .2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 7px 18px rgba(10, 20, 25, .2);
  opacity: 1;
  transform: scale(1);
}

html.ke-rebrand-mode #tab-bar .ke-flame-tab-svg,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-tab-svg {
  animation: none;
  display: block;
  filter: grayscale(.12) saturate(.7);
  height: 40px;
  opacity: .66;
  overflow: visible;
  transform: translateY(1px) scale(.94);
  transform-origin: 50% 86%;
  transition:
    filter var(--ke-duration-base, 240ms) var(--ke-ease-standard, ease),
    opacity var(--ke-duration-fast, 160ms) var(--ke-ease-standard, ease),
    transform var(--ke-duration-base, 240ms) var(--ke-ease-emphasized, ease);
  width: 40px;
}

html.ke-rebrand-mode #tab-bar .tab-btn.active .ke-flame-tab-svg,
html.ke-rebrand-mode #tab-bar .tab-btn[aria-current="page"] .ke-flame-tab-svg,
body.ke-rebrand-active [id="tab-bar"] .tab-btn.active .ke-flame-tab-svg,
body.ke-rebrand-active [id="tab-bar"] .tab-btn[aria-current="page"] .ke-flame-tab-svg {
  animation: keFlameSelect var(--ke-duration-slow, 360ms) var(--ke-ease-spring, cubic-bezier(.2, .82, .24, 1.18)) both;
  filter: saturate(1) drop-shadow(0 2px 3px rgba(16, 27, 34, .35)) drop-shadow(0 0 4px rgba(217, 182, 113, .2));
  opacity: 1;
  transform: translateY(0) scale(1);
}

html.ke-rebrand-mode #tab-bar .tab-btn:active .ke-flame-tab-svg,
body.ke-rebrand-active [id="tab-bar"] .tab-btn:active .ke-flame-tab-svg {
  transform: translateY(1px) scale(.96);
  transition-duration: var(--ke-duration-instant, 100ms);
}

html.ke-rebrand-mode #tab-bar .tab-label,
body.ke-rebrand-active [id="tab-bar"] .tab-label {
  color: inherit !important;
  font-family: var(--ke-font-ui, "DM Sans", sans-serif);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .01em;
  line-height: 1.1;
  transition: color var(--ke-duration-fast, 160ms) var(--ke-ease-standard, ease), opacity var(--ke-duration-fast, 160ms) var(--ke-ease-standard, ease);
}

html.ke-rebrand-mode #tab-bar .tab-btn.active,
html.ke-rebrand-mode #tab-bar .tab-btn[aria-current="page"],
body.ke-rebrand-active [id="tab-bar"] .tab-btn.active,
body.ke-rebrand-active [id="tab-bar"] .tab-btn[aria-current="page"] {
  color: var(--ke-flame-gold) !important;
}

html.ke-rebrand-mode #tab-bar .tab-btn.active .tab-label,
html.ke-rebrand-mode #tab-bar .tab-btn[aria-current="page"] .tab-label,
body.ke-rebrand-active [id="tab-bar"] .tab-btn.active .tab-label,
body.ke-rebrand-active [id="tab-bar"] .tab-btn[aria-current="page"] .tab-label {
  font-weight: 600;
}

html.ke-rebrand-mode #tab-bar .ke-flame-paper,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-paper { fill: var(--ke-flame-paper); }
html.ke-rebrand-mode #tab-bar .ke-flame-cream,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-cream { fill: var(--ke-flame-cream); }
html.ke-rebrand-mode #tab-bar .ke-flame-gold,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-gold { fill: var(--ke-flame-gold); }
html.ke-rebrand-mode #tab-bar .ke-flame-burgundy,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-burgundy { fill: var(--ke-flame-burgundy); }
html.ke-rebrand-mode #tab-bar .ke-flame-ink-cut,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-ink-cut { fill: var(--ke-flame-ink); }

html.ke-rebrand-mode #tab-bar .ke-flame-glint,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-glint {
  fill: none;
  opacity: 0;
  stroke: var(--ke-flame-paper);
  stroke-linecap: round;
  stroke-width: 1.8;
  transform-box: fill-box;
  transform-origin: center;
}

html.ke-rebrand-mode #tab-bar .tab-btn.active .ke-flame-glint,
html.ke-rebrand-mode #tab-bar .tab-btn[aria-current="page"] .ke-flame-glint,
body.ke-rebrand-active [id="tab-bar"] .tab-btn.active .ke-flame-glint,
body.ke-rebrand-active [id="tab-bar"] .tab-btn[aria-current="page"] .ke-flame-glint {
  animation: keFlameSpecular 760ms 110ms var(--ke-ease-emphasized, ease-out) 1 both;
}

html.ke-rebrand-mode #tab-bar .tab-btn.active .ke-flame-crackle-one,
html.ke-rebrand-mode #tab-bar .tab-btn.active .ke-flame-crackle-two,
html.ke-rebrand-mode #tab-bar .tab-btn.active .ke-flame-crackle-three {
  animation: none;
  opacity: 0;
}

html.ke-rebrand-mode #tab-bar .ke-flame-crackle > *,
body.ke-rebrand-active [id="tab-bar"] .ke-flame-crackle > * {
  animation: none;
  opacity: 0;
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  html.ke-rebrand-mode #tab-bar .tab-btn:not(.active):hover .ke-flame-tab-svg,
  body.ke-rebrand-active [id="tab-bar"] .tab-btn:not(.active):hover .ke-flame-tab-svg {
    filter: grayscale(0) saturate(.86);
    opacity: .84;
    transform: translateY(0) scale(.98);
  }
}

@keyframes keFlameSelect {
  0% { transform: translateY(2px) scale(.92); }
  64% { transform: translateY(-1px) scale(1.035); }
  100% { transform: translateY(0) scale(1); }
}

@keyframes keFlameSpecular {
  0%, 22% { opacity: 0; transform: translate(-2px, 2px); }
  48% { opacity: .66; }
  100% { opacity: 0; transform: translate(2px, -2px); }
}

@media (max-width: 420px) {
  html.ke-rebrand-mode #tab-bar,
  body.ke-rebrand-active [id="tab-bar"] { min-height: 80px; }

  html.ke-rebrand-mode #tab-bar .tab-btn,
  body.ke-rebrand-active [id="tab-bar"] .tab-btn { min-height: 64px; }

  html.ke-rebrand-mode #tab-bar .ke-flame-tab-icon,
  body.ke-rebrand-active [id="tab-bar"] .ke-flame-tab-icon { height: 47px; width: 46px; }

  html.ke-rebrand-mode #tab-bar .ke-flame-tab-svg,
  body.ke-rebrand-active [id="tab-bar"] .ke-flame-tab-svg { height: 37px; width: 37px; }

  html.ke-rebrand-mode #tab-bar .tab-label,
  body.ke-rebrand-active [id="tab-bar"] .tab-label { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html.ke-rebrand-mode #tab-bar *,
  html.ke-rebrand-mode #tab-bar *::before,
  html.ke-rebrand-mode #tab-bar *::after,
  body.ke-rebrand-active [id="tab-bar"] *,
  body.ke-rebrand-active [id="tab-bar"] *::before,
  body.ke-rebrand-active [id="tab-bar"] *::after {
    animation: none !important;
    transition-duration: .01ms !important;
  }

  html.ke-rebrand-mode #tab-bar .ke-flame-glint,
  body.ke-rebrand-active [id="tab-bar"] .ke-flame-glint { display: none; }
}