/* P1: palette-aware color values; literal fallbacks preserve the certified default. */
/* UI9 — Arcade Rush Unified Gameplay Treatment
   Presentation-only layer over the certified AR6 runtime and UI port. */

.arcade-rush-ui {
  --rush-ui9-cyan: var(--ui-accent, var(--primary, var(--custom-accent, #00fff2)));
  --rush-ui9-magenta: var(--ui-accent-special, var(--secondary, #ff3cac));
  --rush-ui9-danger: var(--ui-accent-danger, var(--danger, #ff4757));
  --rush-ui9-text: var(--text-primary, var(--text, #e8f0f5));
  --rush-ui9-muted: var(--text-muted, var(--muted, #8fa0ad));
  --rush-ui9-secondary: var(--text-secondary, #bdc9d3);
  --rush-ui9-bg: var(--background, var(--bg, var(--custom-bg, #0a0e14)));
  --rush-ui9-line: rgb(var(--custom-border-rgb, 129 144 158) / 0.16);
  --rush-ui9-line-strong: rgb(var(--custom-border-rgb, 129 144 158) / 0.28);
  --rush-ui9-wave: var(--rush-ui9-cyan);
  overflow-x: clip;
}

.arcade-rush-ui[data-ui9-wave="4"],
.arcade-rush-ui[data-ui9-wave="5"] {
  --rush-ui9-wave: color-mix(in srgb, var(--rush-ui9-cyan) 66%, var(--rush-ui9-magenta));
}

.arcade-rush-ui[data-ui9-wave="6"],
.arcade-rush-ui[data-ui9-wave="boss"] {
  --rush-ui9-wave: var(--rush-ui9-magenta);
}

/* ---------- Ready: identity without a terminal card ---------- */

.arcade-rush-ui.arcade-rush-ready {
  min-height: 100dvh;
  padding: 0;
  place-items: center;
  overflow-y: auto;
  background:
    radial-gradient(circle at 68% 42%, rgb(255 60 172 / 0.055), transparent 29rem),
    radial-gradient(circle at 30% 54%, rgb(var(--custom-accent-rgb, 0 255 242) / 0.045), transparent 31rem),
    var(--rush-ui9-bg);
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-shell {
  width: min(100% - clamp(2rem, 8vw, 8rem), 76rem);
  padding-block: max(2.5rem, env(safe-area-inset-top)) max(2.5rem, env(safe-area-inset-bottom));
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-ready-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(19rem, 0.72fr);
  grid-template-areas:
    "kicker rules"
    "title rules"
    "subtitle rules"
    "route rules"
    "pb actions";
  column-gap: clamp(2rem, 6vw, 6rem);
  row-gap: 1rem;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  text-align: left;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-kicker {
  grid-area: kicker;
  margin: 0;
  color: var(--rush-ui9-muted);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-title {
  grid-area: title;
  margin: 0;
  max-width: 9ch;
  color: var(--rush-ui9-text);
  font-size: clamp(3.25rem, 8.5vw, 7.5rem);
  font-weight: 780;
  line-height: 0.88;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-title::after {
  content: "// 6 + 1";
  display: block;
  margin-top: 0.9rem;
  color: var(--rush-ui9-magenta);
  font-family: var(--ui-font-mono, monospace);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.18em;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-subtitle {
  grid-area: subtitle;
  max-width: 39rem;
  margin: 0.35rem 0 0;
  color: var(--rush-ui9-secondary);
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  line-height: 1.7;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-route-visual {
  grid-area: route;
  margin-top: clamp(1rem, 3vh, 2rem);
}

.arcade-rush-route-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: center;
  width: min(100%, 34rem);
}

.arcade-rush-route-track::before {
  content: "";
  position: absolute;
  right: 4%;
  left: 4%;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgb(var(--custom-accent-rgb, 0 255 242) / 0.58), rgb(var(--custom-accent-rgb, 0 255 242) / 0.18) 62%, rgb(255 60 172 / 0.52));
}

.arcade-rush-route-node {
  position: relative;
  z-index: 1;
  justify-self: center;
  width: 0.58rem;
  height: 0.58rem;
  border: 1px solid rgb(var(--custom-accent-rgb, 0 255 242) / 0.62);
  border-radius: 50%;
  background: var(--rush-ui9-bg);
  box-shadow: 0 0 0 0.2rem rgb(var(--custom-bg-rgb, 10 14 20) / 0.9);
}

.arcade-rush-route-node[data-wave="4"],
.arcade-rush-route-node[data-wave="5"],
.arcade-rush-route-node[data-wave="6"] {
  border-color: rgb(255 60 172 / 0.56);
}

.arcade-rush-route-boss {
  width: 0.78rem;
  height: 0.78rem;
  border-color: var(--rush-ui9-magenta);
  border-radius: 0;
  transform: rotate(45deg);
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-rule-grid {
  grid-area: rules;
  align-self: center;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--rush-ui9-line-strong);
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-rule {
  min-height: 6.1rem;
  padding: 1.25rem 1rem 1rem 0;
  border: 0;
  border-bottom: 1px solid var(--rush-ui9-line);
  background: transparent;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-rule:nth-child(even) {
  padding-left: 1rem;
  border-left: 1px solid var(--rush-ui9-line);
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-rule strong {
  color: var(--rush-ui9-text);
  font-family: var(--ui-font-mono, monospace);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 650;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-rule span {
  margin-top: 0.42rem;
  color: var(--rush-ui9-muted);
  font-size: 0.6rem;
  letter-spacing: 0.11em;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-pb {
  grid-area: pb;
  align-self: end;
  justify-content: flex-start;
  gap: 1rem;
  width: fit-content;
  margin: clamp(1rem, 3vh, 2rem) 0 0;
  padding: 0;
  border: 0;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-pb strong {
  color: var(--rush-ui9-cyan);
  font-family: var(--ui-font-mono, monospace);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 650;
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-actions {
  grid-area: actions;
  align-self: end;
  justify-content: flex-end;
  margin-top: clamp(1rem, 3vh, 2rem);
}

.arcade-rush-ui.arcade-rush-ready .arcade-rush-action {
  min-height: 44px;
  border-radius: var(--ui-radius-sm, 4px);
  box-shadow: none;
}

/* ---------- Gameplay field ---------- */

.arcade-rush-ui.arcade-rush-gameplay {
  position: relative;
  height: 100dvh;
  min-height: 34rem;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 53%, rgb(var(--custom-accent-rgb, 0 255 242) / 0.055), transparent 25rem),
    radial-gradient(circle at 50% 53%, rgb(255 60 172 / 0.022), transparent 39rem),
    var(--rush-ui9-bg);
}

.arcade-rush-ui.arcade-rush-gameplay::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgb(var(--custom-border-rgb, 129 144 158) / 0.045) 50%, transparent calc(50% + 1px)),
    linear-gradient(0deg, transparent calc(50% - 1px), rgb(var(--custom-border-rgb, 129 144 158) / 0.035) 50%, transparent calc(50% + 1px));
  mask-image: radial-gradient(circle at center, #000 0 34%, transparent 69%);
}

.arcade-rush-ui.arcade-rush-gameplay::after {
  content: "";
  position: absolute;
  z-index: 31;
  inset: 0;
  pointer-events: none;
  border: 0 solid transparent;
  box-shadow: inset 0 0 0 rgb(255 71 87 / 0);
  opacity: 0;
}

.arcade-rush-ui.arcade-rush-gameplay.damage-flash::after {
  opacity: 1;
  box-shadow: inset 0 0 5rem rgb(255 71 87 / 0.19);
  animation: rush-ui9-damage-edge 260ms ease-out both;
}

/* ---------- HUD hierarchy ---------- */

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(8rem, 1.35fr) repeat(3, minmax(5.5rem, 0.72fr)) auto;
  align-items: center;
  gap: clamp(0.45rem, 1.4vw, 1.15rem);
  min-height: 4.75rem;
  padding: max(0.65rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0.65rem max(1rem, env(safe-area-inset-left));
  border: 0;
  border-bottom: 0;
  background: linear-gradient(180deg, rgb(var(--custom-bg-rgb, 10 14 20) / 0.94), rgb(var(--custom-bg-rgb, 10 14 20) / 0.58) 72%, transparent);
  box-shadow: none;
  backdrop-filter: none;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud::after {
  content: "";
  position: absolute;
  right: max(1rem, env(safe-area-inset-right));
  bottom: 0;
  left: max(1rem, env(safe-area-inset-left));
  height: 1px;
  background: linear-gradient(90deg, rgb(var(--custom-accent-rgb, 0 255 242) / 0.34), rgb(var(--custom-border-rgb, 129 144 158) / 0.09) 52%, rgb(255 60 172 / 0.22));
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat {
  min-width: 0;
  padding: 0.25rem 0.3rem;
  text-align: left;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat > span {
  color: var(--rush-ui9-muted);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat > strong {
  margin-top: 0.16rem;
  color: var(--rush-ui9-text);
  font-family: var(--ui-font-mono, monospace);
  font-size: clamp(1rem, 2vw, 1.42rem);
  font-weight: 620;
  line-height: 1;
  text-shadow: none;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat:first-child > strong {
  color: var(--rush-ui9-cyan);
  font-size: clamp(1.7rem, 3.5vw, 2.55rem);
  font-weight: 670;
  letter-spacing: -0.045em;
}

.arcade-rush-ui.arcade-rush-gameplay[data-ui9-combo-tier="charged"] .arcade-rush-hud-stat:nth-child(2) > strong,
.arcade-rush-ui.arcade-rush-gameplay[data-ui9-combo-tier="surge"] .arcade-rush-hud-stat:nth-child(2) > strong,
.arcade-rush-ui.arcade-rush-gameplay[data-ui9-combo-tier="overdrive"] .arcade-rush-hud-stat:nth-child(2) > strong {
  color: var(--rush-ui9-magenta);
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-wave-name {
  display: block;
  margin-top: 0.28rem;
  color: var(--rush-ui9-wave);
  font-size: 0.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud > .arcade-rush-action {
  min-width: 0;
  min-height: 44px;
  padding: 0.55rem 0.72rem;
  border-color: rgb(var(--custom-border-rgb, 129 144 158) / 0.2);
  border-radius: var(--ui-radius-sm, 4px);
  background: transparent;
  color: var(--rush-ui9-secondary);
  box-shadow: none;
  font-size: 0.62rem;
  letter-spacing: 0.09em;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud > .arcade-rush-action:hover,
.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud > .arcade-rush-action:focus-visible {
  border-color: rgb(var(--custom-accent-rgb, 0 255 242) / 0.48);
  background: rgb(var(--custom-accent-rgb, 0 255 242) / 0.035);
  color: var(--rush-ui9-cyan);
}

/* ---------- Core: intersecting Rush energy rather than Campaign/Endless duplication ---------- */

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-core {
  position: absolute;
  z-index: 3;
  top: 54%;
  left: 50%;
  width: clamp(5.4rem, 10vw, 7.7rem);
  aspect-ratio: 1;
  translate: -50% -50%;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-core::before,
.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-core::after {
  content: "";
  position: absolute;
  inset: 18%;
  pointer-events: none;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-core::before {
  border: 1px solid rgb(var(--custom-accent-rgb, 0 255 242) / 0.58);
  background:
    linear-gradient(45deg, transparent 46%, rgb(var(--custom-accent-rgb, 0 255 242) / 0.16) 49% 51%, transparent 54%),
    linear-gradient(-45deg, transparent 46%, rgb(255 60 172 / 0.13) 49% 51%, transparent 54%),
    rgb(var(--custom-accent-rgb, 0 255 242) / 0.018);
  box-shadow: 0 0 1.9rem rgb(var(--custom-accent-rgb, 0 255 242) / 0.11);
  transform: rotate(45deg);
  animation: rush-ui9-core-drift 6s ease-in-out infinite alternate;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-core::after {
  inset: 34%;
  border: 1px solid rgb(255 60 172 / 0.52);
  background: rgb(var(--custom-bg-rgb, 10 14 20) / 0.92);
  box-shadow: 0 0 1rem rgb(255 60 172 / 0.09);
  transform: rotate(45deg);
}

.arcade-rush-core-integrity {
  position: absolute;
  z-index: 2;
  inset: -0.5rem;
  pointer-events: none;
}

.arcade-rush-core-integrity i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.22rem;
  height: 0.8rem;
  background: var(--rush-ui9-cyan);
  box-shadow: 0 0 0.5rem rgb(var(--custom-accent-rgb, 0 255 242) / 0.24);
  transform-origin: 50% 3.3rem;
  transition: opacity 140ms ease, background-color 140ms ease;
}

.arcade-rush-core-integrity i:nth-child(1) { transform: translate(-50%, -3.3rem) rotate(0deg); }
.arcade-rush-core-integrity i:nth-child(2) { transform: translate(-50%, -3.3rem) rotate(72deg); }
.arcade-rush-core-integrity i:nth-child(3) { transform: translate(-50%, -3.3rem) rotate(144deg); }
.arcade-rush-core-integrity i:nth-child(4) { transform: translate(-50%, -3.3rem) rotate(216deg); }
.arcade-rush-core-integrity i:nth-child(5) { transform: translate(-50%, -3.3rem) rotate(288deg); }

.arcade-rush-core-integrity i[data-filled="false"] {
  background: rgb(var(--custom-border-rgb, 129 144 158) / 0.18);
  box-shadow: none;
  opacity: 0.65;
}

.arcade-rush-ui.arcade-rush-gameplay[data-ui9-integrity="2"] .arcade-rush-core::before,
.arcade-rush-ui.arcade-rush-gameplay[data-ui9-integrity="1"] .arcade-rush-core::before {
  border-color: rgb(255 71 87 / 0.68);
  box-shadow: 0 0 2.4rem rgb(255 71 87 / 0.14);
}

.arcade-rush-ui.arcade-rush-gameplay[data-ui9-integrity="1"] .arcade-rush-core::before {
  animation-duration: 1.8s;
}

/* ---------- Incoming words ---------- */

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-word-layer {
  position: absolute;
  z-index: 5;
  inset: 0;
  pointer-events: auto;
}

.arcade-rush-ui.arcade-rush-gameplay .word-position {
  z-index: 5;
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual {
  position: relative;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: rgb(215 224 231 / 0.72);
  font-family: var(--ui-font-mono, "JetBrains Mono", Consolas, monospace);
  font-weight: 590;
  text-shadow: 0 1px 0 rgb(0 0 0 / 0.5);
  transition: color 90ms linear, opacity 90ms linear, transform 90ms ease;
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual .word-text {
  position: relative;
  display: inline-block;
  padding: 0.16em 0.05em 0.2em;
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual .typed-letter {
  color: rgb(var(--custom-accent-rgb, 0 255 242) / 0.84);
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual.active {
  z-index: 2;
  color: var(--rush-ui9-text);
  background: transparent;
  border: 0;
  box-shadow: none;
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual.active .typed-letter {
  color: var(--rush-ui9-cyan);
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual.active .word-text::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--rush-ui9-cyan), rgb(var(--custom-accent-rgb, 0 255 242) / 0.16));
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual.candidate {
  color: rgb(235 214 229 / 0.9);
  background: transparent;
  border: 0;
  box-shadow: none;
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual.candidate .typed-letter {
  color: var(--rush-ui9-magenta);
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual.candidate .word-text::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--rush-ui9-magenta), rgb(255 60 172 / 0.12));
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual.wrong {
  border: 0;
  background: transparent;
  color: var(--rush-ui9-danger);
  box-shadow: none;
  animation: rush-ui9-word-error 150ms steps(2, end);
}

.arcade-rush-ui.arcade-rush-gameplay .word-visual.wrong .word-text::after {
  content: "";
  position: absolute;
  right: -0.1em;
  bottom: -0.02em;
  left: -0.1em;
  height: 1px;
  background: var(--rush-ui9-danger);
}

/* ---------- Wave transitions ---------- */

.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] {
  z-index: 40;
  place-items: center;
  padding: clamp(1rem, 4vw, 2.5rem);
  background: rgb(var(--custom-bg-rgb, 10 14 20) / 0.78);
  backdrop-filter: none;
}

.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] .arcade-rush-overlay-card {
  position: relative;
  width: min(48rem, 100%);
  padding: clamp(1.5rem, 5vw, 3.5rem) 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  text-align: center;
}

.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] .arcade-rush-overlay-card::before,
.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] .arcade-rush-overlay-card::after {
  content: "";
  position: absolute;
  left: 50%;
  width: min(32rem, 72vw);
  height: 1px;
  translate: -50% 0;
  background: linear-gradient(90deg, transparent, var(--rush-ui9-wave), transparent);
  opacity: 0.56;
}

.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] .arcade-rush-overlay-card::before { top: 0; }
.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] .arcade-rush-overlay-card::after { bottom: 0; }

.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] .arcade-rush-overlay-label {
  color: var(--rush-ui9-wave);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.17em;
}

.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] h2 {
  margin: 0.7rem 0 0;
  color: var(--rush-ui9-text);
  font-size: clamp(2.5rem, 8vw, 5.75rem);
  font-weight: 720;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] p {
  color: var(--rush-ui9-secondary);
}

.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="transition-overlay"] .arcade-rush-countdown {
  margin-top: 1.4rem;
  color: var(--rush-ui9-wave);
  font-family: var(--ui-font-mono, monospace);
  font-size: clamp(2rem, 7vw, 4.5rem);
  font-weight: 600;
  line-height: 1;
  animation: rush-ui9-countdown-pulse 700ms ease-in-out infinite alternate;
}

/* ---------- Core Breaker ---------- */

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-panel {
  position: absolute;
  z-index: 13;
  top: clamp(5.8rem, 13vh, 7.3rem);
  left: 50%;
  width: min(52rem, calc(100% - 2rem));
  translate: -50% 0;
  padding: 0.65rem 0 1rem;
  border: 0;
  border-top: 1px solid rgb(255 60 172 / 0.3);
  border-bottom: 1px solid rgb(var(--custom-border-rgb, 129 144 158) / 0.12);
  background: linear-gradient(180deg, rgb(var(--custom-bg-rgb, 10 14 20) / 0.84), rgb(var(--custom-bg-rgb, 10 14 20) / 0.4));
  box-shadow: none;
  backdrop-filter: none;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-header {
  align-items: baseline;
  margin: 0 0 0.55rem;
  padding-inline: 0.35rem;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-header strong {
  color: var(--rush-ui9-magenta);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-header span {
  color: var(--rush-ui9-muted);
  font-family: var(--ui-font-mono, monospace);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-meter {
  height: 2px;
  margin: 0 0 0.85rem;
  background: rgb(255 255 255 / 0.08);
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-meter i {
  background: linear-gradient(90deg, var(--rush-ui9-magenta), rgb(255 60 172 / 0.45));
  box-shadow: none;
  transition: transform 120ms ease;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-phrase {
  min-height: 2.2rem;
  margin: 0;
  padding-inline: 0.35rem;
  color: rgb(211 220 228 / 0.63);
  font-family: var(--ui-font-mono, monospace);
  font-size: clamp(1.15rem, 3.2vw, 2rem);
  font-weight: 590;
  line-height: 1.4;
  letter-spacing: -0.015em;
  text-align: center;
  text-transform: none;
}

.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-phrase .typed {
  color: var(--rush-ui9-cyan);
}

.arcade-rush-ui.arcade-rush-gameplay[data-ui9-phase="boss"] .arcade-rush-core::after {
  border-color: rgb(255 60 172 / 0.76);
  box-shadow: 0 0 1.5rem rgb(255 60 172 / 0.14);
}

.arcade-rush-ui.arcade-rush-gameplay[data-ui9-phase="boss-intro"] [data-rush-role="transition-overlay"] .arcade-rush-overlay-label,
.arcade-rush-ui.arcade-rush-gameplay[data-ui9-phase="boss-intro"] [data-rush-role="transition-overlay"] .arcade-rush-countdown {
  color: var(--rush-ui9-magenta);
}

/* UI10 owns the full Pause redesign. UI9 only guarantees Rush compatibility. */
.arcade-rush-ui.arcade-rush-gameplay [data-rush-role="pause-overlay"] .arcade-rush-action {
  min-height: 44px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .arcade-rush-ui.arcade-rush-ready .arcade-rush-ready-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "kicker"
      "title"
      "subtitle"
      "route"
      "rules"
      "pb"
      "actions";
  }

  .arcade-rush-ui.arcade-rush-ready .arcade-rush-rule-grid {
    margin-top: 1rem;
  }

  .arcade-rush-ui.arcade-rush-ready .arcade-rush-actions {
    justify-content: flex-start;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud {
    grid-template-columns: minmax(7.5rem, 1.25fr) repeat(3, minmax(4.6rem, 0.7fr)) auto;
    gap: 0.35rem;
  }
}

@media (max-width: 760px) {
  .arcade-rush-ui.arcade-rush-ready .arcade-rush-shell {
    width: min(100% - 2rem, 44rem);
  }

  .arcade-rush-ui.arcade-rush-ready .arcade-rush-title {
    font-size: clamp(3rem, 15vw, 5.8rem);
  }

  .arcade-rush-ui.arcade-rush-gameplay {
    min-height: 31rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud {
    grid-template-columns: 1.45fr repeat(3, minmax(0, 0.76fr));
    grid-template-rows: auto auto;
    padding-inline: max(0.75rem, env(safe-area-inset-left));
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud > .arcade-rush-action {
    grid-column: 1 / -1;
    justify-self: stretch;
    min-height: 44px;
    margin-top: 0.18rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat {
    padding-inline: 0.18rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat:first-child > strong {
    font-size: clamp(1.4rem, 6vw, 2rem);
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-core {
    top: 57%;
    width: clamp(4.9rem, 19vw, 6.2rem);
  }

  .arcade-rush-core-integrity i {
    transform-origin: 50% 2.8rem;
  }

  .arcade-rush-core-integrity i:nth-child(1) { transform: translate(-50%, -2.8rem) rotate(0deg); }
  .arcade-rush-core-integrity i:nth-child(2) { transform: translate(-50%, -2.8rem) rotate(72deg); }
  .arcade-rush-core-integrity i:nth-child(3) { transform: translate(-50%, -2.8rem) rotate(144deg); }
  .arcade-rush-core-integrity i:nth-child(4) { transform: translate(-50%, -2.8rem) rotate(216deg); }
  .arcade-rush-core-integrity i:nth-child(5) { transform: translate(-50%, -2.8rem) rotate(288deg); }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-panel {
    top: 9.4rem;
    width: calc(100% - 1.25rem);
  }
}

@media (max-width: 520px) {
  .arcade-rush-ui.arcade-rush-ready .arcade-rush-shell {
    width: min(100% - 1.25rem, 36rem);
  }

  .arcade-rush-ui.arcade-rush-ready .arcade-rush-rule-grid {
    grid-template-columns: 1fr 1fr;
  }

  .arcade-rush-ui.arcade-rush-ready .arcade-rush-rule {
    min-height: 5.2rem;
    padding: 1rem 0.65rem 0.8rem 0;
  }

  .arcade-rush-ui.arcade-rush-ready .arcade-rush-rule:nth-child(even) {
    padding-left: 0.65rem;
  }

  .arcade-rush-ui.arcade-rush-ready .arcade-rush-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .arcade-rush-ui.arcade-rush-ready .arcade-rush-action {
    width: 100%;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud {
    grid-template-columns: 1.35fr 0.72fr 0.72fr 0.72fr;
    gap: 0.1rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat > span {
    font-size: 0.49rem;
    letter-spacing: 0.075em;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat > strong {
    font-size: 0.88rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-wave-name {
    font-size: 0.42rem;
    letter-spacing: 0.065em;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-header {
    gap: 0.5rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-header span {
    font-size: 0.52rem;
  }
}

@media (max-height: 430px) {
  .arcade-rush-ui.arcade-rush-gameplay {
    min-height: 100dvh;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud {
    grid-template-columns: minmax(6.2rem, 1.3fr) repeat(2, minmax(4rem, 0.72fr)) auto;
    grid-template-rows: auto;
    min-height: 3.35rem;
    padding-block: max(0.3rem, env(safe-area-inset-top)) 0.3rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat:nth-child(2) {
    display: none;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud > .arcade-rush-action {
    grid-column: auto;
    min-height: 44px;
    margin: 0;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-hud-stat:first-child > strong {
    font-size: 1.35rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-core {
    top: 58%;
    width: 4.7rem;
  }

  .arcade-rush-core-integrity {
    inset: -0.25rem;
  }

  .arcade-rush-core-integrity i {
    height: 0.58rem;
    transform-origin: 50% 2.35rem;
  }

  .arcade-rush-core-integrity i:nth-child(1) { transform: translate(-50%, -2.35rem) rotate(0deg); }
  .arcade-rush-core-integrity i:nth-child(2) { transform: translate(-50%, -2.35rem) rotate(72deg); }
  .arcade-rush-core-integrity i:nth-child(3) { transform: translate(-50%, -2.35rem) rotate(144deg); }
  .arcade-rush-core-integrity i:nth-child(4) { transform: translate(-50%, -2.35rem) rotate(216deg); }
  .arcade-rush-core-integrity i:nth-child(5) { transform: translate(-50%, -2.35rem) rotate(288deg); }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-panel {
    top: 3.7rem;
    width: min(48rem, calc(100% - 0.8rem));
    padding-bottom: 0.4rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-header {
    margin-bottom: 0.25rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-boss-meter {
    margin-bottom: 0.35rem;
  }

  .arcade-rush-ui.arcade-rush-gameplay .arcade-rush-phrase {
    min-height: 1.4rem;
    font-size: clamp(0.88rem, 2.4vw, 1.25rem);
    line-height: 1.2;
  }
}

/* ---------- Motion / accessibility ---------- */

.arcade-rush-ui.arcade-rush-ready .arcade-rush-action:focus-visible,
.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-action:focus-visible,
.arcade-rush-ui.arcade-rush-gameplay .arcade-rush-core:focus-visible {
  outline: 2px solid var(--rush-ui9-cyan);
  outline-offset: 2px;
}

@keyframes rush-ui9-core-drift {
  from { transform: rotate(43deg) scale(0.97); }
  to { transform: rotate(47deg) scale(1.025); }
}

@keyframes rush-ui9-countdown-pulse {
  from { opacity: 0.58; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes rush-ui9-word-error {
  0% { transform: translateX(0); }
  38% { transform: translateX(-0.12rem); }
  72% { transform: translateX(0.1rem); }
  100% { transform: translateX(0); }
}

@keyframes rush-ui9-damage-edge {
  from { opacity: 1; }
  to { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .arcade-rush-ui.arcade-rush-ready *,
  .arcade-rush-ui.arcade-rush-ready *::before,
  .arcade-rush-ui.arcade-rush-ready *::after,
  .arcade-rush-ui.arcade-rush-gameplay *,
  .arcade-rush-ui.arcade-rush-gameplay *::before,
  .arcade-rush-ui.arcade-rush-gameplay *::after {
    animation: none !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .arcade-rush-ui.arcade-rush-gameplay {
    transform: none !important;
  }

  .arcade-rush-ui.arcade-rush-gameplay.damage-flash::after {
    animation: none !important;
    opacity: 0.34;
  }
}

.arcade-rush-ui[data-reduced-motion="true"].arcade-rush-gameplay,
.arcade-rush-ui[data-reduced-motion="true"].arcade-rush-gameplay * {
  animation: none !important;
  transition: none !important;
}