:root {
  color-scheme: dark;
  --ink: #f7fbff;
  --muted: #a7afd0;
  --cyan: #58f7ff;
  --pink: #ff4fd8;
  --violet: #8c65ff;
  --panel: rgba(10, 7, 38, 0.74);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background: #050318;
  color: var(--ink);
  font-family: "Arial Narrow", "Avenir Next Condensed", system-ui, sans-serif;
  touch-action: manipulation;
}

button {
  color: inherit;
  font: inherit;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(88, 247, 255, 0.16);
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.game-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  isolation: isolate;
  overflow: hidden;
  background: radial-gradient(circle at 50% 70%, #201264 0%, #090523 46%, #03020f 100%);
}

#game {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: pinch-zoom;
}

.hud {
  position: absolute;
  z-index: 5;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: max(22px, env(safe-area-inset-top)) max(28px, env(safe-area-inset-right)) 0 max(28px, env(safe-area-inset-left));
  pointer-events: none;
  transition: opacity 180ms ease;
}

.hud-group {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hud-right {
  gap: 14px;
}

.brand {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.brand i {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

.brand b {
  color: var(--pink);
}

.score-block {
  display: grid;
  padding-left: 23px;
  border-left: 1px solid rgba(255, 255, 255, 0.17);
}

.score-block span,
.results span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.score-block strong {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 20px;
  line-height: 1.1;
}

.combo {
  padding: 8px 13px;
  border: 1px solid rgba(88, 247, 255, 0.25);
  border-radius: 999px;
  background: rgba(9, 8, 35, 0.5);
  color: #aeb8dc;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.combo b {
  color: var(--cyan);
  font-size: 13px;
}

.combo.hot {
  border-color: rgba(255, 79, 216, 0.55);
  box-shadow: 0 0 20px rgba(255, 79, 216, 0.2);
}

.combo.hot b {
  color: #ff89e5;
}

.lives {
  min-width: 72px;
  color: #ff5fab;
  font-size: 20px;
  letter-spacing: 3px;
  text-shadow: 0 0 12px rgba(255, 79, 172, 0.8);
}

.icon-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  background: rgba(8, 6, 30, 0.55);
  line-height: 1;
  cursor: pointer;
  pointer-events: auto;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.sound-icon {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  font-family: Arial, sans-serif;
  font-size: 17px;
  line-height: 1;
  transform: translateY(-1px);
}

.icon-button.is-muted .sound-icon {
  font-size: 20px;
  transform: none;
}

.icon-button:hover {
  border-color: var(--cyan);
  background: rgba(88, 247, 255, 0.12);
  transform: translateY(-2px);
}

.dash-wrap {
  position: absolute;
  z-index: 6;
  right: max(30px, env(safe-area-inset-right));
  bottom: max(28px, env(safe-area-inset-bottom));
}

.dash-button {
  position: relative;
  width: 78px;
  height: 78px;
  overflow: hidden;
  border: 1px solid rgba(88, 247, 255, 0.65);
  border-radius: 50%;
  background: rgba(5, 11, 35, 0.72);
  box-shadow: inset 0 0 20px rgba(88, 247, 255, 0.12), 0 0 22px rgba(88, 247, 255, 0.12);
  cursor: pointer;
  pointer-events: auto;
  backdrop-filter: blur(8px);
  transition: transform 120ms ease, box-shadow 160ms ease;
}

.dash-button:hover:not(:disabled) {
  transform: scale(1.06);
  box-shadow: inset 0 0 24px rgba(88, 247, 255, 0.18), 0 0 28px rgba(88, 247, 255, 0.27);
}

.dash-button:active:not(:disabled) {
  transform: scale(0.92);
}

.dash-button span,
.dash-button small {
  position: relative;
  z-index: 2;
  display: block;
}

.dash-button span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.dash-button small {
  margin-top: 2px;
  color: #929bbf;
  font-size: 7px;
  letter-spacing: 0.1em;
}

.dash-button i {
  position: absolute;
  z-index: 1;
  inset: auto 0 0;
  height: 0%;
  background: linear-gradient(180deg, rgba(67, 52, 160, 0.7), rgba(24, 19, 73, 0.9));
  transition: height 80ms linear;
}

.dash-button:disabled {
  border-color: rgba(255, 255, 255, 0.15);
  filter: saturate(0.4);
  cursor: default;
}

.overlay {
  position: absolute;
  z-index: 10;
  inset: 0;
  display: grid;
  place-items: center;
  padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  background: radial-gradient(circle at center, rgba(34, 17, 95, 0.36), rgba(3, 2, 18, 0.74));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  backdrop-filter: blur(3px);
  transition: opacity 300ms ease, visibility 300ms ease;
}

.overlay.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.panel {
  position: relative;
  width: min(620px, 100%);
  padding: 46px 52px 36px;
  overflow: hidden;
  border: 1px solid rgba(137, 117, 255, 0.25);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(18, 12, 60, 0.88), rgba(6, 5, 28, 0.9));
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.48), inset 0 1px rgba(255, 255, 255, 0.06);
  text-align: center;
  max-height: calc(100dvh - 32px);
  overflow: auto;
  scrollbar-width: none;
}

.panel::-webkit-scrollbar {
  display: none;
}

.panel::before {
  position: absolute;
  top: -140px;
  left: 50%;
  width: 360px;
  height: 280px;
  border-radius: 50%;
  background: rgba(118, 72, 255, 0.22);
  filter: blur(60px);
  transform: translateX(-50%);
  content: "";
}

.eyebrow {
  position: relative;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.34em;
}

h1 {
  position: relative;
  margin: 10px 0 13px;
  font-size: clamp(48px, 8vw, 84px);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.82;
  text-shadow: 0 0 34px rgba(107, 83, 255, 0.34);
}

h1 span {
  color: transparent;
  background: linear-gradient(90deg, var(--cyan), #9f7bff 48%, var(--pink));
  background-clip: text;
  -webkit-background-clip: text;
  font-size: 0.68em;
  letter-spacing: 0.17em;
}

h2 {
  position: relative;
  margin: 12px 0 9px;
  font-size: clamp(34px, 7vw, 56px);
  letter-spacing: -0.045em;
  line-height: 1;
}

.panel > p {
  position: relative;
  max-width: 460px;
  margin: 0 auto 25px;
  color: #abb4d5;
  font-size: 14px;
  line-height: 1.65;
}

.primary-button {
  position: relative;
  min-width: 210px;
  padding: 15px 22px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #4fefff, #9167ff 56%, #f64fd3);
  box-shadow: 0 10px 34px rgba(105, 88, 255, 0.32);
  color: white;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.13em;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.primary-button:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 42px rgba(105, 88, 255, 0.48);
}

.primary-button span {
  margin-left: 13px;
  font-size: 18px;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 30px 0 0;
}

.controls div {
  display: grid;
  gap: 5px;
}

kbd {
  color: #d8ddf4;
  font: 700 9px ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.06em;
}

.controls span {
  color: #737d9f;
  font-size: 9px;
}

.best {
  margin-top: 24px;
  color: #747e9f;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.best b {
  margin-left: 8px;
  color: var(--pink);
  font: 700 12px ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.compact-panel {
  width: min(500px, 100%);
  padding-block: 52px;
}

.results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 26px 0 28px;
}

.results div {
  display: grid;
  gap: 7px;
  padding: 17px 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.results b {
  font: 700 18px ui-monospace, "SFMono-Regular", Consolas, monospace;
  color: var(--cyan);
}

.toast {
  position: absolute;
  z-index: 7;
  top: 24%;
  left: 50%;
  padding: 8px 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(9, 6, 36, 0.72);
  box-shadow: 0 0 30px rgba(255, 79, 216, 0.23);
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.12em;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px) scale(0.8);
}

.toast.show {
  animation: toast-pop 1.1s ease both;
}

@keyframes toast-pop {
  0% { opacity: 0; transform: translate(-50%, 20px) scale(0.75); }
  18% { opacity: 1; transform: translate(-50%, 0) scale(1.08); }
  70% { opacity: 1; transform: translate(-50%, -7px) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -24px) scale(0.94); }
}

/* Landing */
#startScreen {
  padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  background:
    radial-gradient(circle at 76% 40%, rgba(92, 50, 224, 0.22), transparent 33%),
    linear-gradient(110deg, rgba(3, 2, 18, 0.88), rgba(9, 5, 35, 0.56));
  backdrop-filter: blur(2px);
}

#startScreen::before,
#startScreen::after {
  position: absolute;
  pointer-events: none;
  content: "";
}

#startScreen::before {
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(92, 244, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 244, 255, 0.18) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, black 42%, transparent);
}

#startScreen::after {
  right: -18vw;
  bottom: -52vw;
  width: 90vw;
  height: 90vw;
  border: 1px solid rgba(88, 247, 255, 0.13);
  border-radius: 50%;
  box-shadow: 0 0 0 8vw rgba(92, 69, 255, 0.035), 0 0 0 16vw rgba(255, 79, 216, 0.025);
}

.landing {
  position: relative;
  width: min(1240px, 100%);
  height: min(760px, calc(100dvh - 48px));
  min-height: min(620px, calc(100dvh - 48px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(169, 155, 255, 0.19);
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(18, 12, 60, 0.82), rgba(5, 4, 25, 0.76) 55%, rgba(19, 8, 53, 0.78)),
    rgba(5, 3, 24, 0.75);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.52), inset 0 1px rgba(255, 255, 255, 0.07);
}

.landing::before {
  position: absolute;
  top: -220px;
  left: 24%;
  width: 540px;
  height: 480px;
  border-radius: 50%;
  background: rgba(87, 48, 218, 0.19);
  filter: blur(80px);
  pointer-events: none;
  content: "";
}

.landing-nav,
.landing-footer {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 auto;
}

.landing-nav {
  min-height: 78px;
  padding: 16px 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.landing-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.landing-brand:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
  border-radius: 4px;
}

.landing-brand b {
  color: var(--pink);
}

.landing-brand small {
  display: block;
  margin-top: 3px;
  color: #6f789e;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.34em;
}

.brand-mark {
  position: relative;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(88, 247, 255, 0.34);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(88, 247, 255, 0.13), rgba(140, 101, 255, 0.12));
  box-shadow: inset 0 0 16px rgba(88, 247, 255, 0.07);
}

.brand-mark::before {
  width: 13px;
  height: 19px;
  background: linear-gradient(#fff, var(--cyan) 48%, var(--violet));
  clip-path: polygon(50% 0, 100% 100%, 50% 73%, 0 100%);
  filter: drop-shadow(0 0 7px var(--cyan));
  content: "";
}

.brand-mark i {
  position: absolute;
  bottom: 4px;
  width: 3px;
  height: 7px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 9px var(--pink);
}

.live-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: #9da7c9;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}

.language-switcher {
  display: flex;
  gap: 2px;
  padding: 2px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(4, 3, 22, 0.52);
}

.language-button {
  min-width: 39px;
  height: 27px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0 6px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #717b9e;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.language-button span {
  font-size: 13px;
  line-height: 1;
}

.language-button b {
  font-size: 6px;
  letter-spacing: 0.05em;
}

.language-button:hover,
.language-button.active {
  background: rgba(88, 247, 255, 0.11);
  color: white;
}

.language-button.active {
  box-shadow: inset 0 0 0 1px rgba(88, 247, 255, 0.28);
}

.leaderboard-link {
  padding: 8px 12px;
  border: 1px solid rgba(88, 247, 255, 0.14);
  border-radius: 999px;
  background: rgba(88, 247, 255, 0.045);
  color: #aeb8d9;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.13em;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.leaderboard-link > span:last-child {
  margin-left: 7px;
  color: var(--cyan);
}

body[data-language="ja"] .hero-kicker,
body[data-language="ja"] .feature-row,
body[data-language="ja"] .mission-list span {
  letter-spacing: 0.04em;
}

.leaderboard-link:hover {
  border-color: rgba(88, 247, 255, 0.5);
  color: white;
  transform: translateY(-2px);
}

.live-chip i,
.footer-note i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #65ffc7;
  box-shadow: 0 0 9px #65ffc7;
  animation: status-pulse 1.8s ease-in-out infinite;
}

@keyframes status-pulse {
  50% { opacity: 0.38; transform: scale(0.72); }
}

.landing-grid {
  position: relative;
  z-index: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
  flex: 1 1 auto;
  gap: clamp(30px, 6vw, 88px);
  padding: clamp(32px, 5vw, 66px) clamp(32px, 6vw, 84px);
}

.landing-copy {
  min-width: 0;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--cyan);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.3em;
}

.hero-kicker b,
.feature-row b {
  font: inherit;
}

.hero-kicker span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid rgba(88, 247, 255, 0.3);
  border-radius: 50%;
  color: white;
  font-size: 8px;
  letter-spacing: 0;
}

.hero-title {
  margin: 20px 0 21px;
  font-size: clamp(76px, 9.1vw, 138px);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.7;
  text-align: left;
  text-shadow: 0 0 44px rgba(91, 66, 255, 0.25);
}

.hero-title span,
.hero-title strong {
  display: block;
}

.hero-title span {
  color: #f8fbff;
}

.hero-title strong {
  width: max-content;
  padding-right: 0.14em;
  color: transparent;
  background: linear-gradient(90deg, var(--cyan), #9f7bff 43%, var(--pink) 88%);
  background-clip: text;
  -webkit-background-clip: text;
  font-size: 0.78em;
  letter-spacing: 0.065em;
  line-height: 1;
}

.hero-lead {
  max-width: 540px;
  margin: 0;
  color: #a9b2d3;
  font-size: clamp(13px, 1.2vw, 16px);
  line-height: 1.7;
}

.feature-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.feature-row span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.025);
  color: #8f99bc;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.11em;
}

.feature-row i {
  margin-right: 5px;
  color: var(--cyan);
  font-style: normal;
}

.hero-actions {
  display: flex;
  align-items: stretch;
  gap: 12px;
  margin-top: 29px;
}

.pilot-field {
  min-width: 145px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 13px;
  border: 1px solid rgba(88, 247, 255, 0.16);
  border-radius: 10px;
  background: rgba(5, 4, 28, 0.54);
  text-align: left;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.pilot-field:focus-within {
  border-color: rgba(88, 247, 255, 0.58);
  box-shadow: 0 0 22px rgba(88, 247, 255, 0.1);
}

.pilot-field.invalid {
  border-color: rgba(255, 79, 150, 0.8);
  box-shadow: 0 0 22px rgba(255, 79, 150, 0.16);
  animation: field-shake 280ms ease;
}

@keyframes field-shake {
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.pilot-field > span {
  color: #687394;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.pilot-field input {
  width: 100%;
  min-width: 0;
  margin-top: 3px;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: white;
  caret-color: var(--cyan);
  font: 700 13px ui-monospace, "SFMono-Regular", Consolas, monospace;
  text-transform: uppercase;
}

.pilot-field input::placeholder {
  color: #626b89;
  text-transform: none;
}

.launch-button {
  min-width: 190px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 10px 9px 24px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  background: linear-gradient(105deg, #30ddea, #785fff 54%, #eb46ca);
  font-size: 11px;
  text-align: left;
}

.launch-button .button-label,
.launch-button .button-arrow {
  margin: 0;
}

.launch-button .button-arrow {
  width: 37px;
  height: 37px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(5, 3, 27, 0.25);
  font-size: 18px;
}

.record-card {
  min-width: 132px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 9px 17px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.028);
}

.record-card span {
  color: #737d9f;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.record-card b {
  margin-top: 3px;
  color: white;
  font: 700 17px ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.result-pilot {
  max-width: 350px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  margin: 22px auto 0;
  padding: 10px 13px;
  border: 1px solid rgba(88, 247, 255, 0.12);
  border-radius: 10px;
  background: rgba(88, 247, 255, 0.035);
}

.result-pilot span {
  color: #697495;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.result-pilot b {
  overflow: hidden;
  color: white;
  font: 700 12px ui-monospace, monospace;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-pilot em {
  color: var(--cyan);
  font: normal 800 12px ui-monospace, monospace;
}

.gameover-actions {
  display: flex;
  justify-content: center;
  gap: 9px;
}

.secondary-button {
  min-height: 44px;
  padding: 13px 17px;
  border: 1px solid rgba(88, 247, 255, 0.22);
  border-radius: 999px;
  background: rgba(88, 247, 255, 0.045);
  color: #c6d0e9;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.secondary-button:hover {
  border-color: var(--cyan);
  color: white;
  transform: translateY(-2px);
}

.leaderboard-overlay {
  z-index: 20;
  background: rgba(3, 2, 18, 0.82);
  backdrop-filter: blur(12px);
}

.leaderboard-panel {
  width: min(650px, 100%);
  padding: 30px;
  text-align: left;
}

.leaderboard-header {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.leaderboard-header h2 {
  margin-bottom: 18px;
}

.close-button {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.035);
  color: #aeb6d1;
  font-size: 22px;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.close-button:hover {
  border-color: var(--pink);
  color: white;
  transform: rotate(8deg);
}

.leaderboard-columns,
.leaderboard-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 110px 72px;
  align-items: center;
  gap: 12px;
}

.leaderboard-columns {
  padding: 0 14px 9px;
  color: #626d90;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.leaderboard-columns span:nth-child(n + 2) {
  text-align: right;
}

.leaderboard-list {
  min-height: 90px;
  display: grid;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: leaderboard-rank;
}

.leaderboard-list li {
  min-height: 42px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, 0.065);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
  counter-increment: leaderboard-rank;
}

.leaderboard-list li.current-score {
  border-color: rgba(88, 247, 255, 0.35);
  background: linear-gradient(90deg, rgba(88, 247, 255, 0.08), rgba(140, 101, 255, 0.055));
  box-shadow: 0 0 22px rgba(88, 247, 255, 0.06);
}

.leaderboard-pilot {
  min-width: 0;
  display: grid;
  grid-template-columns: 27px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

.leaderboard-rank {
  color: #647092;
  font: 700 9px ui-monospace, monospace;
}

.leaderboard-name {
  overflow: hidden;
  color: #dce3f6;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-score,
.leaderboard-combo {
  color: white;
  font: 700 11px ui-monospace, monospace;
  text-align: right;
}

.leaderboard-combo {
  color: var(--pink);
}

.leaderboard-empty {
  display: grid !important;
  grid-template-columns: 1fr !important;
  place-items: center;
  min-height: 90px !important;
  color: #6d7798;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.leaderboard-note {
  margin: 14px 0 0 !important;
  color: #606a8c !important;
  font-size: 8px !important;
  text-align: center;
}

.flight-card {
  position: relative;
  min-height: 438px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid rgba(88, 247, 255, 0.17);
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(88, 247, 255, 0.055), rgba(140, 101, 255, 0.055));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), 0 24px 70px rgba(0, 0, 0, 0.2);
}

.flight-card::after {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background: repeating-linear-gradient(0deg, transparent, transparent 4px, white 5px);
  pointer-events: none;
  content: "";
}

.flight-card-top {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  color: #8f99ba;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.19em;
}

.flight-card-top b {
  color: var(--cyan);
}

.radar {
  position: relative;
  width: min(220px, 100%);
  height: auto;
  aspect-ratio: 1;
  overflow: hidden;
  margin: 8px auto 2px;
  border: 1px solid rgba(88, 247, 255, 0.15);
  border-radius: 50%;
  background:
    linear-gradient(rgba(88, 247, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 247, 255, 0.08) 1px, transparent 1px),
    radial-gradient(circle, rgba(101, 73, 255, 0.18), rgba(4, 4, 25, 0.1) 68%);
  background-size: 20px 20px, 20px 20px, auto;
  box-shadow: inset 0 0 38px rgba(72, 235, 255, 0.05), 0 0 32px rgba(91, 65, 255, 0.08);
}

.radar::before,
.radar::after {
  position: absolute;
  background: rgba(88, 247, 255, 0.13);
  content: "";
}

.radar::before { top: 50%; left: 0; width: 100%; height: 1px; }
.radar::after { top: 0; left: 50%; width: 1px; height: 100%; }

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one { width: 68%; height: 68%; }
.orbit-two { width: 35%; height: 35%; }

.radar-ship {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  color: white;
  font-size: 29px;
  text-shadow: 0 0 16px var(--cyan);
  transform: translate(-50%, -50%);
}

.radar-dot {
  position: absolute;
  z-index: 3;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 10px var(--pink);
}

.dot-one { top: 25%; right: 25%; }
.dot-two { bottom: 29%; left: 20%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }

.radar-sweep {
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg 310deg, rgba(88, 247, 255, 0.19) 345deg, transparent 360deg);
  animation: radar-spin 4.8s linear infinite;
}

@keyframes radar-spin {
  to { transform: rotate(360deg); }
}

.mission-list {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 1px;
}

.mission-list div {
  display: grid;
  grid-template-columns: 27px 64px 1fr;
  align-items: center;
  padding: 10px 3px;
  border-top: 1px solid rgba(255, 255, 255, 0.065);
}

.mission-list b {
  color: #596386;
  font: 700 8px ui-monospace, monospace;
}

.mission-list span {
  color: var(--cyan);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.mission-list strong {
  color: #9ba4c4;
  font-size: 9px;
  font-weight: 600;
}

.landing-footer {
  min-height: 62px;
  padding: 12px 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: #6e789b;
}

.control-hints {
  display: flex;
  gap: 24px;
}

.control-hints span {
  font-size: 9px;
}

.control-hints i {
  font-style: normal;
}

.touch-fire-hint {
  display: none;
}

.control-hints kbd {
  margin-right: 7px;
  color: #cdd3e8;
}

.footer-note {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

@media (pointer: coarse) {
  .icon-button,
  .close-button {
    width: 44px;
    height: 44px;
  }

  .language-button,
  .leaderboard-link {
    min-height: 44px;
  }

  .language-button {
    min-width: 44px;
  }

  .desktop-fire-hint {
    display: none;
  }

  .touch-fire-hint {
    display: inline;
  }
}

@media (max-width: 430px) {
  .leaderboard-link {
    width: 44px;
    min-width: 44px;
    padding: 0;
    font-size: 12px;
  }

  .leaderboard-link-label {
    display: none;
  }

  .leaderboard-link > span:last-child {
    margin-left: 0;
  }
}

@media (max-width: 900px) and (orientation: portrait) {
  #startScreen {
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .landing {
    height: calc(100dvh - 20px);
    min-height: 0;
    border-radius: 24px;
  }

  .landing-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding: clamp(28px, 6vh, 54px) clamp(24px, 8vw, 64px);
    text-align: center;
  }

  .landing-copy {
    width: min(100%, 620px);
    margin: auto;
  }

  .hero-kicker,
  .feature-row,
  .hero-actions {
    justify-content: center;
  }

  .hero-title {
    margin-block: 18px 22px;
    font-size: clamp(76px, 14vw, 108px);
    text-align: center;
  }

  .hero-title strong {
    margin-inline: auto;
  }

  .hero-lead {
    max-width: 520px;
    margin-inline: auto;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .flight-card {
    display: none;
  }
}

@media (orientation: landscape) and (min-height: 521px) and (max-width: 1100px) {
  .landing-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: clamp(24px, 4vw, 46px);
    padding-inline: clamp(30px, 5vw, 54px);
  }

  .record-card {
    display: none;
  }

  .hero-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  #startScreen {
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .landing {
    height: calc(100dvh - 20px);
    min-height: 0;
    border-radius: 22px;
  }

  .landing-nav {
    min-height: 66px;
    padding: 12px 17px;
  }

  .landing-brand {
    font-size: 12px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .live-chip {
    display: none;
  }

  .landing-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 26px 22px;
    text-align: center;
  }

  .landing-copy {
    margin: auto;
  }

  .hero-kicker,
  .feature-row,
  .hero-actions {
    justify-content: center;
  }

  .hero-title {
    margin-block: 17px 18px;
    font-size: clamp(69px, 23vw, 104px);
    text-align: center;
  }

  .hero-title strong {
    margin-inline: auto;
  }

  .hero-lead {
    max-width: 420px;
    font-size: 12px;
    line-height: 1.55;
  }

  .feature-row {
    margin-top: 19px;
  }

  .feature-row span:nth-child(2) {
    display: none;
  }

  .hero-actions {
    flex-wrap: wrap;
    margin-top: 22px;
  }

  .pilot-field {
    flex: 1 1 100%;
    max-width: 334px;
    min-height: 48px;
  }

  .flight-card {
    display: none;
  }

  .landing-footer {
    min-height: 52px;
    justify-content: center;
    padding: 10px 16px;
  }

  .control-hints {
    gap: 13px;
  }

  .control-hints span {
    font-size: 9px;
  }

  .control-hints kbd {
    display: inline;
    font-size: 9px;
  }

  .footer-note {
    display: none;
  }

  .leaderboard-panel {
    padding: 24px 18px 20px;
  }

  .leaderboard-columns,
  .leaderboard-list li {
    grid-template-columns: minmax(0, 1fr) 88px 58px;
    gap: 7px;
  }

  .leaderboard-list li {
    padding-inline: 10px;
  }

  .hud {
    padding-top: max(15px, env(safe-area-inset-top));
    padding-right: max(15px, env(safe-area-inset-right));
    padding-left: max(15px, env(safe-area-inset-left));
  }

  .brand,
  .combo {
    display: none;
  }

  .score-block {
    padding-left: 0;
    border: 0;
  }

  .hud-right {
    gap: 8px;
  }

  .lives {
    min-width: 62px;
    font-size: 17px;
  }

  .icon-button {
    width: 44px;
    height: 44px;
  }

  .panel {
    padding: 36px 22px 28px;
    border-radius: 22px;
  }

  .hero-panel > p {
    max-width: 330px;
    font-size: 12px;
  }

  .controls {
    gap: 18px;
  }

  .controls div:first-child,
  .controls div:nth-child(2) {
    display: none;
  }

  .dash-wrap {
    right: max(18px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
  }

  .dash-button {
    width: 72px;
    height: 72px;
  }

  .dash-button small {
    display: none;
  }

  .results {
    gap: 5px;
  }

  .results b {
    font-size: 14px;
  }
}

@media (max-width: 380px) {
  .overlay:not(#startScreen) {
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .landing-nav {
    min-height: 58px;
    padding-inline: 10px;
  }

  .live-chip,
  .feature-row,
  .record-card,
  .control-hints span:last-child {
    display: none;
  }

  .landing-grid {
    padding-inline: 14px;
  }

  .hero-title {
    font-size: clamp(62px, 25vw, 86px);
  }

  .hero-actions {
    margin-top: 20px;
  }

  .launch-button {
    min-width: 200px;
  }

  .leaderboard-link {
    width: 44px;
    min-width: 44px;
    padding: 0;
    font-size: 12px;
  }

  .leaderboard-link-label {
    display: none;
  }

  .leaderboard-link > span:last-child {
    margin-left: 0;
  }

  .language-button {
    min-width: 44px;
    height: 44px;
    padding-inline: 4px;
  }

  .language-button b {
    display: none;
  }

  .leaderboard-columns,
  .leaderboard-list li {
    grid-template-columns: minmax(0, 1fr) 78px 48px;
  }

  .leaderboard-columns {
    padding-inline: 8px;
  }

  .leaderboard-columns span {
    letter-spacing: 0.08em;
  }

  .gameover-actions {
    flex-direction: column-reverse;
    align-items: center;
  }

  .hud {
    padding-inline: 10px;
  }

  .score-block strong {
    font-size: 17px;
  }

  .lives {
    min-width: 52px;
    font-size: 15px;
    letter-spacing: 1px;
  }

  .icon-button {
    width: 44px;
    height: 44px;
  }

  .hero-panel {
    padding-inline: 17px;
  }

  .primary-button {
    min-width: 185px;
  }

  .results span {
    font-size: 7px;
    letter-spacing: 0.1em;
  }
}

@media (max-width: 340px) {
  .landing-brand > span:last-child {
    display: none;
  }
}

@media (max-height: 640px) {
  .landing-nav {
    min-height: 58px;
  }

  .landing-footer {
    min-height: 44px;
  }

  .landing-grid {
    padding-block: 20px;
  }

  .panel {
    padding-block: 24px 20px;
  }

  h1 {
    margin-block: 6px 8px;
    font-size: clamp(43px, 11vh, 66px);
  }

  h2 {
    font-size: clamp(30px, 9vh, 44px);
  }

  .panel > p {
    margin-bottom: 14px;
    line-height: 1.45;
  }

  .controls {
    margin-top: 16px;
  }

  .best {
    margin-top: 13px;
  }

  .results {
    margin-block: 15px 17px;
  }

  .dash-wrap {
    bottom: max(12px, env(safe-area-inset-bottom));
  }
}

@media (orientation: landscape) and (max-height: 520px) {
  #startScreen {
    padding: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  }

  .landing {
    height: calc(100dvh - 16px);
    min-height: 0;
    border-radius: 18px;
  }

  .landing-nav {
    min-height: 48px;
    padding: 8px 18px;
  }

  .landing-brand small,
  .live-chip {
    display: none;
  }

  .landing-grid {
    grid-template-columns: 1fr minmax(190px, 0.55fr);
    gap: 24px;
    padding: 12px clamp(22px, 6vw, 58px);
    text-align: left;
  }

  .landing-copy {
    margin: 0;
  }

  .hero-kicker,
  .hero-actions {
    justify-content: flex-start;
  }

  .hero-kicker {
    font-size: 7px;
  }

  .hero-kicker span {
    width: 22px;
    height: 22px;
  }

  .hero-title {
    margin-block: 9px 10px;
    font-size: clamp(52px, 15vh, 72px);
    text-align: left;
  }

  .hero-title strong {
    margin-inline: 0;
  }

  .hero-lead {
    max-width: 470px;
    font-size: 10px;
    line-height: 1.4;
  }

  .feature-row,
  .record-card {
    display: none;
  }

  .hero-actions {
    flex-wrap: nowrap;
    margin-top: 12px;
  }

  .pilot-field {
    min-width: 118px;
    min-height: 44px;
    flex-basis: 118px;
    padding-inline: 9px;
  }

  .launch-button {
    min-width: 150px;
    height: 44px;
  }

  .launch-button .button-arrow {
    width: 30px;
    height: 30px;
  }

  .flight-card {
    min-height: 0;
    height: 238px;
    display: block;
    padding: 12px;
    border-radius: 15px;
  }

  .radar {
    width: 174px;
    height: 174px;
    margin-top: 10px;
  }

  .mission-list {
    display: none;
  }

  .landing-footer {
    min-height: 38px;
    justify-content: space-between;
    padding: 7px 18px;
  }

  .footer-note {
    display: flex;
  }

  .hud {
    padding-top: max(10px, env(safe-area-inset-top));
  }

  .hero-panel {
    width: min(760px, 88vw);
    padding: 18px 34px 16px;
  }

  .hero-panel h1 {
    font-size: clamp(38px, 14vh, 58px);
  }

  .hero-panel > p {
    max-width: 570px;
    font-size: 11px;
  }

  .hero-panel .controls,
  .hero-panel .best {
    display: none;
  }

  .compact-panel {
    width: min(680px, 86vw);
    padding: 20px 34px;
  }

  .compact-panel h2 {
    margin-block: 6px;
  }

  .compact-panel > p {
    margin-bottom: 12px;
  }

  .results {
    max-width: 480px;
    margin: 11px auto 13px;
  }

  .results div {
    padding-block: 9px;
  }

  .dash-button {
    width: 62px;
    height: 62px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}