@import "./tokens.css";

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  text-transform: uppercase;
  -webkit-font-smoothing: antialiased;
}

.boot-status {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top, rgba(255, 209, 0, 0.1), transparent 32%),
    rgba(10, 16, 28, 0.94);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.boot-status.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.boot-status__card {
  width: min(520px, 100%);
  display: grid;
  gap: 12px;
  padding: 28px;
  background: rgba(9, 14, 24, 0.96);
  border: 1.5px solid rgba(255, 209, 0, 0.28);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

.boot-status__eyebrow {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: rgba(255, 209, 0, 0.72);
}

.boot-status__message {
  font-size: clamp(22px, 3vw, 34px);
  line-height: 0.98;
  letter-spacing: var(--tracking-tight);
  color: var(--color-surface-white);
}

button,
input,
textarea,
select {
  font: inherit;
}

.app-screen {
  display: none;
  min-height: 100vh;
}

.app-screen.is-active {
  display: flex;
}

.screen-frame {
  width: 100%;
  height: 100dvh;
  min-height: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.screen-frame--gameplay {
  width: 100%;
}

.screen-panel {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border-left: var(--border-primary);
  border-right: var(--border-primary);
  overflow: hidden;
}

.screen-panel--home {
  align-items: center;
  justify-content: center;
  gap: var(--space-7);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.screen-panel--gameplay {
  border-left: 0;
  border-right: 0;
  min-height: calc(100vh - (2 * var(--hazard-stripe-height)));
  overflow: hidden;
}

.screen-panel__hero {
  display: grid;
  gap: var(--space-4);
  max-width: 760px;
  justify-items: center;
}

.eyebrow {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
}

.hero-title {
  margin: 0;
  font-size: clamp(88px, 16vw, 200px);
  letter-spacing: 0.06em;
  line-height: 0.88;
}

.hero-copy {
  margin: 0;
  max-width: 58ch;
  font-family: Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  text-transform: none;
  color: var(--color-text-secondary);
  text-wrap: pretty;
}

.home-actions {
  display: grid;
  gap: var(--space-3);
  width: min(420px, 100%);
}

.home-note {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-loose);
  color: var(--color-text-dim);
}

.screen-bar {
  min-height: var(--hud-height-top);
  background: var(--color-black);
  color: var(--color-text-on-black-2);
  border-bottom: var(--border-standard);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0 var(--space-4);
}

.screen-bar--stacked {
  min-height: 108px;
  padding: var(--space-3) var(--space-4);
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
}

.screen-bar__title,
.nav-link {
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-normal);
}

.screen-bar__spacer {
  width: 72px;
}

.screen-bar__controls {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.screen-bar__eyebrow {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-on-black-2);
}

.screen-bar__hero {
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-tight);
  line-height: 0.95;
}

.screen-bar__hero--yellow {
  color: var(--color-yellow);
}

.screen-bar__hero--fail {
  color: var(--color-fail);
}

.nav-link {
  background: none;
  border: 0;
  color: var(--color-text-on-black-2);
  padding: 0;
  cursor: pointer;
}

.nav-link--button {
  min-width: 88px;
  height: 34px;
  padding: 0 12px;
  border: 1.5px solid rgba(255, 209, 0, 0.35);
  background: rgba(255, 209, 0, 0.08);
  color: var(--color-yellow);
}

.nav-link--active {
  background: var(--color-yellow);
  color: var(--color-text-on-yellow);
}

.screen-content {
  flex: 1;
  min-height: 0;
  padding: var(--space-6);
  box-sizing: border-box;
  overflow: hidden;
}

.calibration-shell {
  display: flex;
  flex: 1;
  min-height: 0;
  padding: var(--space-4) 16px;
  box-sizing: border-box;
  overflow: hidden;
}

.calibration-demo {
  height: 100%;
  min-height: 0;
  border: var(--border-primary);
  box-sizing: border-box;
}

.calibration-demo__hud,
.calibration-demo__footer {
  z-index: 12;
}

.calibration-demo__guide {
    position: absolute;
    right: 24px;
    top: 68px;
    width: min(320px, calc(100% - 320px));
    z-index: 11;
    gap: var(--space-3);
    padding: var(--space-3);
    box-shadow: 0 8px 20px rgba(17, 17, 17, 0.12);
}



.calibration-demo__guide-title {
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 0.95;
}

.calibration-demo__guide .guide-card__copy {
  font-size: 15px;
  line-height: 1.35;
}

.calibration-demo__guide-hint {
  font-size: 11px;
  line-height: 1.35;
  color: var(--color-text-primary);
}

.calibration-demo__enter {
  height: 40px;
}

.calibration-demo__enter-final {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 30;
  transform: translate(-50%, -50%) scale(0.96);

  min-width: 280px;
  padding: 22px 34px;

  background: var(--color-yellow);
  color: var(--color-black);
  border: var(--border-primary);


  font-size: clamp(1.1rem, 2.2vw, 1.65rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;

  opacity: 0;
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.calibration-demo__enter-final--visible {
  opacity: 1;
  pointer-events: auto;
  animation: enter-range-yellow-flash 1.1s steps(2, end) infinite;
}

@keyframes enter-range-yellow-flash {
  0%,
  100% {
    background: var(--color-yellow);
  }

  70% {
    background: #ffe166;
  }
}


.calibration-demo__enter-final:disabled {
  cursor: not-allowed;
}

.calibration-demo__enter-final:not(:disabled) {
  background: var(--color-yellow);
  color: var(--color-text-on-yellow);
  box-shadow: 0 0 0 2px rgba(255, 209, 0, 0.22);
}

.calibration-demo__slingshot {
  position: absolute;
  left: 126px;
  top: auto;
  bottom: 74px;
  width: 96px;
  height: 180px;
  z-index: 3;
  pointer-events: none;
  overflow: visible;
}

.calibration-demo__post,
.calibration-demo__fork,
.calibration-demo__band,
.calibration-demo__ball,
.calibration-demo__zone,
.calibration-demo__origin,
.calibration-demo__hand {
  position: absolute;
}

.calibration-demo__post {
  top: 56px;
  width: 16px;
  height: 124px;
  background: var(--color-concrete);
  border: var(--border-standard);
  box-sizing: border-box;
}

.calibration-demo__post--left {
  left: 26px;
}

.calibration-demo__post--right {
  right: 26px;
}

.calibration-demo__fork {
  top: 48px;
  width: 8px;
  height: 18px;
  background: var(--color-concrete-dark);
  border: 1.5px solid var(--color-black);
  box-sizing: border-box;
}

.calibration-demo__fork--left {
  left: 18px;
}

.calibration-demo__fork--right {
  right: 18px;
}

.calibration-demo__band {
  position: absolute;
  top: 42px;
  height: 4px;
  background: var(--color-black);
  border-radius: 999px;
  z-index: 4;
}

.calibration-demo__band--left {
  left: 16px;
  width: 42px;
  transform-origin: left center;
  transform: rotate(24deg);
}

.calibration-demo__band--right {
  right: 16px;
  width: 42px;
  transform-origin: right center;
  transform: rotate(-24deg);
}

.calibration-demo__ball {
  position: absolute;
  left: 48px;
  top: 54px;
  width: 28px;
  height: 28px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: #2a2828;
  border: var(--border-standard);
  box-sizing: border-box;
  z-index: 5;
  transition:
    box-shadow 120ms ease;
}

.calibration-demo__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transform: translateY(-46px);
}

.calibration-demo__canvas--vfx {
  z-index: 2;
  pointer-events: none;
}

.calibration-demo__canvas--vfx {
  z-index: 2;
  pointer-events: none;
}

.calibration-demo__ball--locked {
  box-shadow: 0 0 0 8px rgba(255, 209, 0, 0.26);
}

.calibration-demo__zone {
  left: 50%;
  top: 54px;
  width: 120px;
  height: 120px;
  transform: translate(-50%, -50%);
  border: 2px dashed rgba(255, 209, 0, 0.82);
  border-radius: 999px;
  box-shadow: 0 0 0 10px rgba(255, 209, 0, 0.08);
  z-index: 1;
  pointer-events: none;
}

.calibration-demo__origin {
  left: 50%;
  top: 54px;
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%);
  background: var(--color-black);
  border-radius: 999px;
  box-shadow: 0 0 0 5px rgba(17, 17, 17, 0.1);
  z-index: 4;
  opacity: 0;
  pointer-events: none;
}

.calibration-demo__hand {
  width: 24px;
  height: 24px;
  opacity: 0;
  background: rgba(17, 17, 17, 0.22);
  border: 2px solid rgba(17, 17, 17, 0.4);
  border-radius: 999px;
  transform: translate(-50%, -50%) scale(0.25);
  transition-property: transform, opacity, background-color, border-color, box-shadow;
  transition-duration: 160ms;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
  z-index: 4;
}

.calibration-demo__hand--visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.calibration-demo__hand--in-zone {
  border-color: rgba(255, 209, 0, 0.95);
  box-shadow: 0 0 0 6px rgba(255, 209, 0, 0.15);
}

.calibration-demo__hand--pinched {
  background: var(--color-yellow);
  border-color: var(--color-black);
}

.calibration-demo__footer {
  gap: var(--space-4);
}

.calibration-demo__caption {
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-normal);
  line-height: 1.1;
}

.calibration-demo__progress {
  display: grid;
  justify-items: end;
  min-width: 220px;
}

.calibration-dot {
  width: 10px;
  height: 10px;
  background: var(--color-text-dim);
}

.calibration-dot--active {
  background: var(--color-yellow);
}

.guide-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface-white);
  border: var(--border-standard);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.18);
}

.guide-card__eyebrow,
.rail-block__label {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
}

.guide-card__title {
  margin: 0;
  font-size: clamp(24px, 2.3vw, 34px);
  line-height: 0.96;
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

.guide-card__copy {
  margin: 0;
  font-family: Arial, sans-serif;
  font-size: 18px;
  line-height: 1.45;
  text-transform: none;
  color: var(--color-text-primary);
  text-wrap: pretty;
}

.guide-card__progress {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-loose);
  color: var(--color-black);
  font-variant-numeric: tabular-nums;
}

.tutorial-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.tutorial-steps--compact {
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.tutorial-step {
  min-height: 132px;
  display: grid;
  align-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.86);
  border: var(--border-standard);
  transition-property: transform, background-color, border-color, box-shadow;
  transition-duration: var(--duration-normal);
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
  box-shadow: 0 4px 12px rgba(17, 17, 17, 0.05);
}

.tutorial-step--active {
  background: var(--color-yellow);
  border-color: var(--color-black);
  box-shadow: 0 10px 24px rgba(255, 209, 0, 0.22);
  transform: translateY(-2px);
}

.tutorial-step--done {
  background: var(--color-yellow);
  border-color: var(--color-black);
}

.tutorial-step--compact {
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 12px;
  box-shadow: none;
}

.tutorial-step--done .tutorial-step__label {
  color: var(--color-black);
  font-size: var(--text-lg2);
}

.tutorial-step--done .tutorial-step__state {

  background: var(--color-black);
  color: var(--color-yellow);
  border-color: var(--color-black);

}

.tutorial-step__body {
  display: grid;
  gap: var(--space-2);
}

.tutorial-step__label {
  font-size: 26px;
  line-height: 0.96;
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

.tutorial-step__state {
  justify-self: start;
  min-width: 72px;
  padding: 6px 10px 4px;
  border: var(--border-standard);
  background: rgba(17, 17, 17, 0.05);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  font-variant-numeric: tabular-nums;
}

.tutorial-step--active {
  background: var(--color-yellow);
}

.tutorial-step--active .tutorial-step__state {

  background: var(--color-black);

  color: var(--color-yellow);

}

.tutorial-step--pending {
  background: var(--color-surface-white);
}

.status-card__value {
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-tight);
}

.rail-block {
  display: grid;
  gap: var(--space-3);
}

.rail-block__track {
  height: 14px;
  border: var(--border-standard);
  background: var(--color-surface-white);
  overflow: hidden;
}

.rail-block__fill {
  width: 0;
  height: 100%;
  background: var(--hazard-stripe);
  transition: width var(--duration-fast) linear;
}

.tracker-copy {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
}

.level-select-layout {
  display: grid;
  gap: 46px;
  justify-items: center;
  align-content: start;
  padding-top: 34px;
}

.level-select-copy {
  width: min(920px, 100%);
  display: grid;
  gap: var(--space-3);
  justify-items: center;
  text-align: center;
}

.level-select-copy .guide-card__title {
  max-width: 15ch;
  font-size: clamp(52px, 6vw, 88px);
  line-height: 0.86;
  letter-spacing: var(--tracking-tight);
}

.level-select-copy .guide-card__copy {
  max-width: 32ch;
  font-size: 17px;
  line-height: 1.35;
}

.level-card-grid {
  display: grid;
  width: min(1180px, 100%);
  grid-template-columns: repeat(5, 176px);
  gap: 56px;
  justify-content: center;
  align-items: start;
  margin-inline: auto;
}


.level-card-grid {
  position: relative;
}

.level-card {
  min-height: 260px;
  padding: 16px;
}

.level-card {
  min-height: 220px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
  padding: 14px;
  background: var(--color-surface-white);
  border: var(--border-primary);
  cursor: pointer;
  text-align: left;
}

.level-card {
  position: relative;
  z-index: 1;
}

.level-card:hover:not(:disabled) {
  transform: translateY(-4px);
}

.level-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: var(--border-standard);
}

.level-card__number {
  font-size: 25px;
  line-height: 0.85;
  letter-spacing: var(--tracking-tight);
}


.level-card__name {
  white-space: normal;
}

.level-card__name {
  font-size: 26px;
  line-height: 0.9;
}

.level-card__badge {
  padding: 5px 7px 3px;
  border: var(--border-standard);
  background: var(--color-black);
  color: var(--color-yellow);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
}

.level-card__name {
  width: 100%;
  min-height: 58px;
  display: block;
  font-size: 23px;
  line-height: 0.92;
  letter-spacing: var(--tracking-tight);
  text-align: left;
  word-break: normal;
  overflow-wrap: normal;
  white-space: normal;
}

.level-card__stars {
  font-size: var(--text-lg2);
  letter-spacing: 0.08em;
  line-height: 1;
}

.level-card__helper,
.level-card__score {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  line-height: 1.25;
  text-align: left;
}

.level-card--current {
  background: var(--color-yellow);
  border-width: 3px;
  transform: translateY(-8px);
  box-shadow: 7px 7px 0 var(--color-black);
  animation: none;
}

.level-card--current:hover:not(:disabled) {
  transform: translateY(-12px);
}

.level-card--current .level-card__badge {
  background: var(--color-black);
  color: var(--color-yellow);
}

.level-card--current .level-card__helper,
.level-card--current .level-card__score {
  color: var(--color-black);
}

.level-card--completed {
  background: var(--color-surface-white);
}

.level-card--completed .level-card__badge {
  background: var(--color-black);
  color: var(--color-yellow);
}

.level-card--completed .level-card__name {
  color: var(--color-black);
}

.level-card--completed .level-card__helper {
  color: var(--color-text-secondary);
}

.level-card--unplayed {
  border-style: dashed;
}

.level-card--locked {
  background: var(--color-surface-dim);
  color: var(--color-text-secondary);
  border: var(--border-dashed);
  opacity: 0.78;
  cursor: not-allowed;
}

.level-card--locked .level-card__header {
  border-bottom-color: var(--color-text-secondary);
}

.level-card--locked .level-card__badge {
  background: var(--color-surface-white);
  color: var(--color-black);
}

.level-card--locked .level-card__helper,
.level-card--locked .level-card__score {
  color: var(--color-text-secondary);
}

.level-card--locked:disabled {
  color: var(--color-text-secondary);
  border-color: var(--color-text-secondary);
}

.level-card--current .level-card__name {
  font-size: 22px;
}

@keyframes level-card-live {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 0 0 rgba(255, 209, 0, 0);
  }
  50% {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(255, 209, 0, 0.28);
  }
}

.game-root {
  position: relative;
  width: 100%;
  background: var(--color-bg);
  overflow: hidden;
}

.screen-panel--gameplay .game-root {
  min-height: calc(100vh - (2 * var(--hazard-stripe-height)));
}

.game-root__bg,
#canvas-physics,
#canvas-vfx {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.game-root__bg {
  z-index: 0;
}

#canvas-physics {
  z-index: 1;
}

#canvas-vfx {
  z-index: 2;
  pointer-events: none;
}

.gameplay-callout {
  position: absolute;
  left: 50%;
  top: 96px;
  z-index: 9;
  max-width: min(560px, calc(100% - 360px));
  padding: 10px 18px 8px;
  border: var(--border-standard);
  background: rgba(17, 17, 17, 0.92);
  color: var(--color-text-on-black);
  text-align: center;
  letter-spacing: var(--tracking-wide);
  font-size: 12px;
  opacity: 0;
  transform: translate(-50%, -10px) scale(0.98);
  transition:
    opacity 180ms ease,
    transform 220ms cubic-bezier(0.2, 0, 0, 1);
  pointer-events: none;
  box-shadow: 0 18px 36px rgba(17, 17, 17, 0.12);
}

.gameplay-callout.is-visible {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

.gameplay-center-overlay {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 10;
  min-width: 260px;
  max-width: min(520px, calc(100% - 160px));
  padding: 16px 24px 14px;
  border: var(--border-primary);
  background: rgba(17, 17, 17, 0.94);
  color: var(--color-text-on-black);
  text-align: center;
  letter-spacing: var(--tracking-wide);
  font-size: 24px;
  line-height: 0.96;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.94);
  transition:
    opacity 180ms ease,
    transform 220ms cubic-bezier(0.2, 0, 0, 1);
  pointer-events: none;
  box-shadow: 0 24px 48px rgba(17, 17, 17, 0.18);
}

.gameplay-center-overlay.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.gameplay-center-overlay--danger {
  color: var(--color-yellow);
}

.gameplay-prompt {
  position: absolute;
  left: 24px;
  top: 332px;
  z-index: 9;
  transform: none;
  max-width: 260px;
  padding: 8px 14px 6px;
  border: var(--border-standard);
  background: rgba(17, 17, 17, 0.88);
  color: var(--color-text-on-black);
  letter-spacing: var(--tracking-wide);
  font-size: 12px;
  text-align: center;
  box-shadow: 0 10px 24px rgba(17, 17, 17, 0.18);
}

.gameplay-callout--celebration {
  background: rgba(17, 17, 17, 0.92);
  color: var(--color-text-on-black);
}

.gameplay-callout--danger {
  background: rgba(17, 17, 17, 0.92);
  color: var(--color-text-on-black);
}

.webcam-window {
  position: absolute;
  left: 24px;
  top: 68px;
  width: 240px;
  height: 180px;
  background: var(--color-black);
  border: var(--border-primary);
  overflow: hidden;
  z-index: 3;
}

.webcam-window video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.webcam-window canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.webcam-window__label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 3px 6px;
  display: flex;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.65);
  color: var(--color-text-on-black);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}

.webcam-window__rec,
.webcam-window__pinch {
  position: absolute;
  top: 7px;
  width: 8px;
  height: 8px;
}

.webcam-window__rec {
  right: 8px;
  background: var(--color-fail);
  opacity: 0.25;
}

.webcam-window__pinch {
  left: 8px;
  background: #7a5210;
}

.webcam-window__rec--active {
  opacity: 1;
}

.webcam-window__pinch--active {
  background: var(--color-yellow);
}

.hud-top,
.hud-bottom {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 10;
}

.hud-top {
  top: 0;
}

.hud-bottom {
  bottom: 0;
  gap: var(--space-5);
  padding-inline: 24px;
}

.hud-group,
.hud-bottom__group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hud-group--center {
  justify-content: center;
}

.hud-bottom__group--right {
  margin-left: auto;
  gap: 18px;
}

.hud-meta {
  display: grid;
  gap: 2px;
}


.hud-meta__label,
.hud-score__label,
.level-badge__label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-loose);
}
.hud-score__label {

  font-size: var(--text-xs);

  letter-spacing: var(--tracking-loose);

  line-height: 1;

}

.hud-meta__value,
.hud-score__value,
.level-badge__value {
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.hud-score__value {
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-tight);
  line-height: 0.9;
}

.hud-meta--dark {
  color: var(--color-text-primary);
}



.hud-meta--dark {
  min-width: 118px;
}

.hud-score {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  justify-items: center;
  gap: 1px;
  color: var(--color-text-on-black-2);
  text-align: center;
  z-index: 12;
}

.hud-actions {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  z-index: 12;
}



.hud-btn {
  width: auto;
  min-width: 112px;
  height: 36px;
  padding: 0 18px;

  background: var(--color-surface-white);
  color: var(--color-black);
  border: var(--border-standard);
  box-shadow: none;

  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 900;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  cursor: pointer;
}

.hud-btn:hover {
  background: var(--color-yellow);
  color: var(--color-black);
}

.hud-btn--home {
  background: var(--color-surface-white);
}

.hud-btn--restart {
  box-shadow: inset 0 0 0 1px rgba(255, 209, 0, 0.12);
}

.hud-btn--restart {
  background: var(--color-black);
  color: var(--color-yellow);
  border-color: rgba(255, 209, 0, 0.45);
  box-shadow: none;
}

.hud-btn--restart:hover {
  background: var(--color-yellow);
  color: var(--color-black);
  border-color: var(--color-black);
}

.hud-btn--mute {
  min-width: 92px;
}

.hud-btn--home,
.hud-btn--mute {
  background: var(--color-surface-white);
  color: var(--color-black);
}

.hud-btn--muted {
  background: var(--color-yellow);
  color: var(--color-black);
  border-color: var(--color-black);
}

.level-badge {
  background: var(--color-yellow);
  color: var(--color-text-on-yellow);
  border: var(--border-standard);
  padding: var(--space-1) var(--space-3);
  display: grid;
  gap: 2px;
}

.bird-queue {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.bird-queue {

  display: flex;

  align-items: center;

  gap: 8px;

}

.bird-dot {
  width: var(--bird-dot-remaining);
  height: var(--bird-dot-remaining);
  border: var(--border-standard);
  box-sizing: border-box;
  background: transparent;
}

.bird-dot--active {
  width: var(--bird-dot-active);
  height: var(--bird-dot-active);
  background: var(--color-black);
}

.bird-dot--used {
  opacity: 0.22;
  border-style: dashed;
}

.tension-rail {
  width: var(--tension-rail-width);
  height: var(--tension-rail-height);
  border: var(--border-standard);
  background: var(--color-bg);
  overflow: hidden;
}

.tension-fill {
  width: 0;
  height: 100%;
  background: var(--hazard-stripe);
  transition: width var(--duration-instant) linear;
}

.result-layout,
.fail-layout {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: var(--space-5);
  min-height: 100%;
}

.result-copy {
  margin: 0;
  max-width: 42ch;
  text-align: center;
  font-family: Arial, sans-serif;
  font-size: 17px;
  line-height: 1.45;
  text-transform: none;
}

.result-burst {
  position: relative;
  width: min(420px, 100%);
  height: 0;
}

.result-burst__flash {
  position: absolute;
  left: 50%;
  top: -20px;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 209, 0, 0.42) 0%, rgba(255, 209, 0, 0) 70%);
  transform: translate(-50%, -50%) scale(0.5);
  opacity: 0;
  pointer-events: none;
}

.result-burst__flash.is-live {
  animation: result-flash 760ms cubic-bezier(0.2, 0, 0, 1);
}

.result-burst__confetti {
  position: absolute;
  inset: -26px 0 auto;
  height: 180px;
  overflow: visible;
  pointer-events: none;
}

.confetti-bit {
  position: absolute;
  top: 0;
  width: 10px;
  height: 16px;
  border: 1.5px solid var(--color-black);
  background: var(--color-yellow);
  animation: confetti-fall 1100ms cubic-bezier(0.2, 0, 0, 1) forwards;
}

.confetti-bit:nth-child(3n) {
  background: var(--color-surface-white);
}

.confetti-bit:nth-child(4n) {
  background: var(--color-concrete);
}

.result-stars {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.result-star {
  font-size: 34px;
  line-height: 1;
  color: #b9b9b9;
  opacity: 0;
  transform: translateY(16px) scale(0.72);
}

.result-star--earned {
  color: var(--color-yellow);
}

.result-star.is-visible {
  animation: result-star-pop 440ms cubic-bezier(0.18, 0.9, 0.22, 1) forwards;
}

.result-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  width: min(720px, 100%);
}

.result-card {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-surface-white);
  border: var(--border-standard);
}

.result-card--signal {
  background: var(--color-yellow);
}

.result-card__label {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
}

.result-card--signal .result-card__label {
  color: var(--color-text-primary);
}

.result-card__value {
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-tight);
}

.result-actions {
  display: flex;
  gap: var(--space-3);
  width: min(520px, 100%);
}

.result-actions > * {
  flex: 1;
}

.result-actions--stacked {
  display: grid;
  width: min(420px, 100%);
}

.fail-row {
  width: min(420px, 100%);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-tight);
}

@keyframes result-star-pop {
  0% {
    opacity: 0;
    transform: translateY(16px) scale(0.72);
  }
  60% {
    opacity: 1;
    transform: translateY(-6px) scale(1.12);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes result-flash {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
  }
  30% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.35);
  }
}

@keyframes confetti-fall {
  0% {
    opacity: 0;
    transform: translate3d(0, -14px, 0) rotate(0deg);
  }
  15% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--confetti-drift, 0), 148px, 0) rotate(240deg);
  }
}

.sensor-rig {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.sensor-rig video {
  width: 1px;
  height: 1px;
}

button:disabled {
  color: var(--color-text-dim);
  border-color: var(--color-surface-dim);
  cursor: not-allowed;
}

@media (max-width: 1200px) {
  .calibration-demo__guide {
    width: min(280px, calc(100% - 240px));
  }
}

@media (max-width: 760px) {
  .screen-content {
    padding: var(--space-4);
  }

  .hero-title {
    font-size: clamp(64px, 18vw, 120px);
  }

  .screen-bar__controls {
    gap: 6px;
  }

  .calibration-demo {
  height: 100%;
  min-height: 0;
}

  .calibration-demo__guide {
    left: auto;
    right: var(--space-3);
    top: 78px;
    width: min(240px, calc(100% - 190px));
    padding: 10px;
  }

  .calibration-demo__guide .guide-card__copy {
    font-size: 13px;
  }

  .tutorial-step--compact {
    padding: 8px 10px;
  }

  .tutorial-step--compact .tutorial-step__label {
    font-size: 14px;
  }

  .tutorial-step--compact .tutorial-step__state {
    min-width: 58px;
    padding: 5px 8px 3px;
    font-size: 8px;
  }

  .level-card-grid {
    grid-template-columns: repeat(auto-fit, minmax(168px, 168px));
  }

  .level-card__name {
    min-height: 56px;
    font-size: 20px;
  }

  .result-metrics,
  .result-actions {
    grid-template-columns: 1fr;
    display: grid;
  }

  .gameplay-callout {
    top: 108px;
    left: 50%;
    max-width: min(280px, calc(100% - 180px));
    font-size: 10px;
  }

.gameplay-prompt {
  left: 24px;
  top: 320px;
  max-width: 260px;
}

  .hud-actions {
    position: absolute;
    right: 12px;
    top: 54px;
  }

.hud-btn {
  min-width: 104px;
  height: 32px;
  padding: 0 16px;
}

  .webcam-window {
    width: 148px;
    height: 112px;
  }

  .calibration-demo__footer {
    padding: 0 var(--space-3);
  }

  .calibration-demo__progress {
    min-width: 160px;
  }
}