:root {
  color-scheme: dark;
  --bg: #050810;
  --panel: rgba(9, 14, 24, 0.78);
  --panel-strong: rgba(13, 20, 34, 0.96);
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.24);
  --text: #f6fbff;
  --muted: #aeb9ca;
  --blue: #68b7ff;
  --cyan: #58d7e5;
  --gold: #f5c45b;
  --pink: #ff8fc6;
  --red: #ff766a;
  --green: #6de1a6;
  --glass: rgba(255, 255, 255, 0.07);
  --glow-blue: 0 0 34px rgba(104, 183, 255, 0.24);
  --glow-pink: 0 0 36px rgba(255, 143, 198, 0.18);
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  overflow-y: auto;
  background:
    linear-gradient(115deg, rgba(104, 183, 255, 0.14), transparent 32%),
    linear-gradient(245deg, rgba(255, 143, 198, 0.12), transparent 30%),
    radial-gradient(ellipse at 46% 112%, rgba(245, 196, 91, 0.12), transparent 34rem),
    linear-gradient(145deg, #050810 0%, #07111d 48%, #110b18 100%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button {
  font: inherit;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

.drift-app {
  position: relative;
  display: grid;
  align-content: start;
  grid-template-rows: auto;
  gap: 12px;
  width: 100%;
  min-height: 100svh;
  padding: 16px;
  overflow: visible;
}

.drift-app::before,
.drift-app::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.drift-app::before {
  inset: -12% auto auto -12%;
  width: 48vw;
  height: 78vh;
  background: linear-gradient(115deg, rgba(88, 215, 229, 0.16), rgba(104, 183, 255, 0.06), transparent 72%);
  clip-path: polygon(0 0, 74% 0, 100% 100%, 18% 100%);
}

.drift-app::after {
  right: -14vw;
  bottom: -18vh;
  width: 62vw;
  height: 72vh;
  background: linear-gradient(135deg, transparent 0 28%, rgba(255, 143, 198, 0.1) 28% 39%, transparent 39% 62%, rgba(245, 196, 91, 0.09) 62% 72%, transparent 72%);
  transform: rotate(-9deg);
}

.ambient-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.56) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(104, 183, 255, 0.32) 0 1px, transparent 1.6px),
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-position: 0 0, 36px 42px, 0 0, 0 0;
  background-size: 96px 96px, 132px 132px, 72px 72px, 72px 72px;
  mask-image: radial-gradient(circle at 50% 44%, rgba(0, 0, 0, 0.72), transparent 74%);
  opacity: 0.74;
}

.titlebar,
.game-hud,
.game-stage {
  position: relative;
  z-index: 2;
  width: min(1180px, 100%);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 22%),
    radial-gradient(circle at 12% 0%, rgba(104, 183, 255, 0.13), transparent 40%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025)),
    var(--panel);
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.25),
    var(--glow-blue),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
}

.titlebar::after,
.game-hud::after {
  position: absolute;
  inset: auto 12px 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(88, 215, 229, 0.56), rgba(255, 143, 198, 0.32), transparent);
  content: "";
  pointer-events: none;
}

.brand-link {
  min-width: 0;
  border-radius: 8px;
}

.brand-link:focus-visible,
.game-nav a:focus-visible,
.game-nav button:focus-visible,
.touch-controls button:focus-visible,
.menu-button:focus-visible {
  outline: 3px solid rgba(104, 183, 255, 0.68);
  outline-offset: 3px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  overflow: hidden;
  display: grid;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--cyan) 54%, var(--pink));
  box-shadow: 0 12px 30px rgba(104, 183, 255, 0.24);
  color: #041112;
  font-weight: 950;
}

.brand-mark::before {
  position: absolute;
  inset: -60% -30%;
  background: linear-gradient(120deg, transparent 35%, rgba(255, 255, 255, 0.54), transparent 62%);
  content: "";
  transform: translateX(-62%) rotate(14deg);
}

.brand-mark::after {
  position: absolute;
  right: 7px;
  bottom: 7px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #041112;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.32);
  content: "";
}

.brand-title {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-title strong {
  overflow: hidden;
  font-size: 1.22rem;
  line-height: 1.05;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-name {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.game-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.game-nav a,
.game-nav button,
.touch-controls button {
  position: relative;
  overflow: hidden;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 36%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
  box-shadow:
    0 10px 26px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 850;
  padding: 0 14px;
  transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease, transform 120ms ease;
}

.game-nav a:hover,
.game-nav button:hover:not(:disabled),
.touch-controls button:hover:not(:disabled) {
  border-color: rgba(104, 183, 255, 0.72);
  background: rgba(104, 183, 255, 0.12);
  box-shadow:
    0 12px 30px rgba(104, 183, 255, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.game-nav button:active:not(:disabled),
.touch-controls button:active:not(:disabled) {
  transform: translateY(1px);
}

.game-nav .nav-cta {
  border-color: rgba(245, 196, 91, 0.55);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.34), transparent 42%),
    linear-gradient(135deg, var(--gold), var(--cyan) 58%, var(--blue));
  color: #041112;
}

.game-hud {
  align-items: start;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  gap: 12px;
  padding: 10px;
}

.hud-cluster {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.stat-chip {
  --accent: var(--cyan);
  position: relative;
  overflow: hidden;
  display: grid;
  min-height: 58px;
  align-content: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.12), transparent 42%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.035));
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.stat-chip::before {
  position: absolute;
  inset: auto 10px 8px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 18px var(--accent);
  content: "";
  opacity: 0.72;
}

.stat-chip::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.12), transparent 45%);
  opacity: 0.34;
  pointer-events: none;
}

.stat-chip.current {
  border-color: rgba(104, 183, 255, 0.44);
  background:
    radial-gradient(circle at 18% 15%, rgba(104, 183, 255, 0.24), transparent 52%),
    linear-gradient(145deg, rgba(104, 183, 255, 0.16), rgba(255, 255, 255, 0.035));
}

.score-chip {
  --accent: var(--blue);
}

.best-chip {
  --accent: var(--pink);
}

.wave-chip {
  --accent: var(--gold);
}

.lives-chip {
  --accent: var(--red);
}

.stat-chip.shield {
  --accent: var(--green);
  border-color: rgba(109, 225, 166, 0.32);
}

.stat-chip span {
  position: relative;
  z-index: 1;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.stat-chip strong {
  position: relative;
  z-index: 1;
  overflow: hidden;
  color: #ffffff;
  font-size: 1.22rem;
  font-weight: 950;
  line-height: 1;
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.18);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hud-status {
  display: grid;
  align-content: center;
  gap: 9px;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  padding: 8px 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.026)),
    rgba(4, 8, 15, 0.32);
}

.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-start;
}

.status-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(88, 215, 229, 0.12);
}

body[data-game-state="playing"] .status-dot {
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(109, 225, 166, 0.12);
}

body[data-game-state="paused"] .status-dot {
  background: var(--muted);
  box-shadow: 0 0 0 5px rgba(174, 185, 202, 0.12);
}

body[data-game-state="over"] .status-dot {
  background: var(--red);
  box-shadow: 0 0 0 5px rgba(255, 118, 106, 0.12);
}

.round-status {
  margin: 0;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 900;
}

.field-readout {
  display: grid;
  gap: 5px;
}

.field-readout span {
  overflow: hidden;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wave-progress,
.charge-meter {
  overflow: hidden;
  height: 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.12), transparent),
    rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.44);
}

.wave-progress span,
.charge-meter span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--gold), var(--pink));
  box-shadow: 0 0 16px rgba(255, 143, 198, 0.28);
  transition: width 120ms ease;
}

.weapon-row {
  display: grid;
  grid-template-columns: auto minmax(88px, 1fr) auto;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 950;
  text-transform: uppercase;
}

.weapon-row strong {
  color: var(--gold);
  font-size: 0.82rem;
  text-align: right;
}

.drift-proof-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.drift-proof-list li {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(104, 183, 255, 0.22);
  border-radius: 999px;
  padding: 0 10px;
  background: rgba(104, 183, 255, 0.09);
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 850;
}

.drift-system-grid,
.drift-note-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.drift-note-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.drift-system-grid article,
.drift-note-grid article {
  display: grid;
  gap: 5px;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 8px;
  padding: 10px;
  background:
    radial-gradient(circle at 20% 0%, rgba(104, 183, 255, 0.11), transparent 48%),
    rgba(255, 255, 255, 0.035);
}

.drift-system-grid strong,
.drift-note-grid strong {
  color: var(--text);
  font-size: 0.88rem;
}

.drift-system-grid p,
.drift-note-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.game-stage-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 0;
}

.game-stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  place-items: center;
  height: min(650px, calc(100svh - 238px));
  min-height: 360px;
  padding: 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.09), transparent 15%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    repeating-linear-gradient(135deg, rgba(104, 183, 255, 0.045) 0 1px, transparent 1px 56px),
    radial-gradient(circle at 22% 18%, rgba(104, 183, 255, 0.16), transparent 36%),
    radial-gradient(circle at 82% 78%, rgba(255, 143, 198, 0.12), transparent 34%),
    rgba(5, 9, 16, 0.9);
}

.game-stage::before,
.game-stage::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.game-stage::before {
  inset: 10px;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
}

.game-stage::after {
  inset: auto 16px 12px;
  z-index: 1;
  height: 54px;
  background: linear-gradient(90deg, transparent, rgba(104, 183, 255, 0.14), rgba(255, 143, 198, 0.12), transparent);
  filter: blur(20px);
}

#gameCanvas {
  position: relative;
  z-index: 2;
  display: block;
  width: min(100%, calc((100svh - 280px) * 1.6), 1080px);
  max-width: 1080px;
  max-height: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: #050810;
  filter: saturate(1.08) contrast(1.03);
  box-shadow:
    0 24px 66px rgba(0, 0, 0, 0.38),
    0 0 0 1px rgba(104, 183, 255, 0.16),
    0 0 44px rgba(104, 183, 255, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  touch-action: none;
}

.stage-corners {
  position: absolute;
  inset: 22px;
  z-index: 3;
  pointer-events: none;
}

.stage-corners span {
  position: absolute;
  width: 42px;
  height: 42px;
  border-color: rgba(104, 183, 255, 0.48);
  color: rgba(104, 183, 255, 0.48);
  filter: drop-shadow(0 0 12px rgba(104, 183, 255, 0.22));
}

.stage-corners span:nth-child(1) {
  top: 0;
  left: 0;
  border-top: 2px solid;
  border-left: 2px solid;
}

.stage-corners span:nth-child(2) {
  top: 0;
  right: 0;
  border-top: 2px solid;
  border-right: 2px solid;
}

.stage-corners span:nth-child(3) {
  right: 0;
  bottom: 0;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.stage-corners span:nth-child(4) {
  bottom: 0;
  left: 0;
  border-bottom: 2px solid;
  border-left: 2px solid;
}

.game-menu {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(5, 8, 16, 0.68), rgba(5, 8, 16, 0.28)),
    repeating-linear-gradient(135deg, rgba(104, 183, 255, 0.05) 0 1px, transparent 1px 28px),
    rgba(5, 7, 12, 0.5);
  opacity: 1;
  pointer-events: auto;
  transition: opacity 160ms ease, visibility 160ms ease;
  visibility: visible;
}

.game-menu.is-hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.menu-card {
  position: relative;
  overflow: hidden;
  display: grid;
  justify-items: center;
  gap: 12px;
  width: min(500px, 100%);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 20px;
  background:
    radial-gradient(circle at 22% 18%, rgba(104, 183, 255, 0.22), transparent 44%),
    radial-gradient(circle at 82% 88%, rgba(255, 143, 198, 0.14), transparent 40%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.04)),
    rgba(10, 16, 28, 0.95);
  box-shadow:
    var(--shadow),
    var(--glow-blue),
    var(--glow-pink),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  text-align: center;
  backdrop-filter: blur(22px);
}

.menu-card::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, transparent, rgba(104, 183, 255, 0.08), transparent),
    linear-gradient(135deg, rgba(255, 255, 255, 0.09), transparent 42%);
  opacity: 0.72;
  pointer-events: none;
}

.menu-card > * {
  position: relative;
}

.menu-scanline {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(88, 215, 229, 0.16), transparent);
  opacity: 0.28;
  transform: translateY(-58%);
  animation: panel-scan 5.4s linear infinite;
  pointer-events: none;
}

.menu-kicker {
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 950;
  text-transform: uppercase;
}

.menu-ship-mark {
  position: relative;
  width: 132px;
  height: 54px;
}

.menu-ship-mark span {
  position: absolute;
  display: block;
}

.menu-ship-mark span:nth-child(1) {
  left: 45px;
  top: 4px;
  width: 42px;
  height: 46px;
  background: linear-gradient(180deg, #ffffff, var(--blue) 58%, var(--pink));
  clip-path: polygon(50% 0, 100% 100%, 50% 76%, 0 100%);
  filter: drop-shadow(0 10px 20px rgba(104, 183, 255, 0.28));
}

.menu-ship-mark span:nth-child(2),
.menu-ship-mark span:nth-child(3) {
  top: 23px;
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  box-shadow: inset 0 0 18px rgba(104, 183, 255, 0.16);
}

.menu-ship-mark span:nth-child(2) {
  left: 10px;
}

.menu-ship-mark span:nth-child(3) {
  right: 10px;
}

.menu-card strong {
  font-size: 2rem;
  line-height: 1;
}

.menu-meta {
  min-height: 1.2em;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 750;
}

.menu-brief {
  margin: -2px 0 0;
  max-width: 34rem;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 750;
  line-height: 1.45;
}

.menu-start-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
  margin: 0;
  text-align: left;
}

.menu-start-grid div {
  display: grid;
  gap: 2px;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 8px 9px;
  background: rgba(255, 255, 255, 0.055);
}

.menu-start-grid dt {
  color: var(--cyan);
  font-size: 0.64rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.menu-start-grid dd {
  margin: 0;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.3;
}

.menu-button {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.36), transparent 44%),
    linear-gradient(135deg, var(--gold), var(--cyan) 58%, var(--blue));
  color: #041112;
  font-weight: 950;
  box-shadow: 0 16px 34px rgba(88, 215, 229, 0.18);
}

.menu-button:hover {
  filter: brightness(1.06) saturate(1.05);
}

.touch-controls {
  position: absolute;
  right: 22px;
  bottom: 22px;
  z-index: 3;
  display: none;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  width: min(520px, calc(100% - 44px));
  border-radius: 10px;
}

.touch-controls button {
  min-height: 44px;
  padding: 0 10px;
  touch-action: none;
}

.touch-controls button[data-control="fire"] {
  border-color: rgba(245, 196, 91, 0.44);
  color: var(--gold);
}

.touch-controls button[data-control="shield"] {
  border-color: rgba(109, 225, 166, 0.34);
  color: var(--green);
}

.touch-hint {
  position: relative;
  z-index: 3;
  display: none;
  width: 100%;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  line-height: 1.35;
  text-align: center;
}

@keyframes panel-scan {
  0% {
    transform: translateY(-76%);
  }

  100% {
    transform: translateY(76%);
  }
}

@media (max-width: 900px) {
  .titlebar {
    align-items: flex-start;
  }

  .game-nav {
    flex-wrap: wrap;
  }

  .game-hud {
    grid-template-columns: 1fr;
  }

  .hud-status {
    min-width: 0;
  }

  .drift-system-grid,
  .drift-note-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .drift-app {
    gap: 8px;
    padding: 8px;
  }

  .titlebar {
    gap: 10px;
    padding: 8px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-title strong {
    font-size: 1rem;
  }

  .document-name {
    display: none;
  }

  .game-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    min-width: min(210px, 58vw);
  }

  .game-nav a,
  .game-nav button {
    min-height: 34px;
    padding: 0 9px;
    font-size: 0.78rem;
  }

  .game-hud {
    gap: 8px;
    padding: 8px;
  }

  .hud-cluster {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
  }

  .stat-chip {
    min-height: 48px;
    padding: 7px 6px;
  }

  .stat-chip span {
    font-size: 0.56rem;
  }

  .stat-chip strong {
    font-size: 0.88rem;
  }

  .hud-status {
    gap: 6px;
    padding: 0 4px;
  }

  .round-status {
    font-size: 0.86rem;
  }

  .weapon-row {
    grid-template-columns: auto minmax(64px, 1fr) auto;
    font-size: 0.68rem;
  }

  .game-stage {
    align-items: center;
    align-self: start;
    display: flex;
    flex-direction: column;
    height: auto;
    justify-content: flex-start;
    min-height: 0;
    padding: 8px;
  }

  #gameCanvas {
    border-radius: 8px;
  }

  .stage-corners {
    display: none;
  }

  .touch-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 14px;
  }

  .touch-controls button {
    min-height: 44px;
    padding: 0 6px;
    font-size: 0.78rem;
  }

  .touch-controls button[data-control="fire"] {
    grid-column: span 2;
  }

  .touch-hint {
    display: block;
  }

  .menu-card {
    gap: 10px;
    max-height: calc(100% - 16px);
    overflow-y: auto;
    padding: 16px;
  }

  .menu-card strong {
    font-size: 1.58rem;
  }
}

@media (max-width: 430px) {
  .brand-title strong {
    max-width: 116px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .stat-chip {
    padding: 6px 4px;
  }

  .stat-chip span {
    font-size: 0.5rem;
  }

  .stat-chip strong {
    font-size: 0.76rem;
  }

  .drift-proof-list li {
    flex: 1 1 100%;
    justify-content: center;
  }

  .menu-start-grid {
    grid-template-columns: 1fr;
  }

  .touch-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .touch-controls button[data-control="fire"] {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) and (max-height: 540px) {
  .drift-app {
    gap: 6px;
    padding: 6px;
  }

  .titlebar {
    gap: 6px;
    padding: 6px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 0.86rem;
  }

  .brand-title strong {
    max-width: 92px;
  }

  .game-nav {
    gap: 5px;
    min-width: min(190px, 60vw);
  }

  .game-nav a,
  .game-nav button {
    min-height: 28px;
    padding: 0 7px;
    font-size: 0.72rem;
  }

  .game-hud {
    gap: 6px;
    padding: 6px;
  }

  .stat-chip {
    min-height: 42px;
    padding: 5px 4px;
  }

  .hud-status {
    gap: 5px;
  }

  .weapon-row {
    min-height: 16px;
  }

  .game-stage {
    padding: 7px;
  }

  #gameCanvas {
    width: min(100%, calc((100svh - 324px) * 1.6));
  }

  .touch-controls {
    gap: 5px;
    margin-top: 10px;
  }

  .touch-controls button {
    min-height: 44px;
    font-size: 0.68rem;
  }
}

@media (max-height: 650px) and (min-width: 761px) {
  .drift-app {
    gap: 6px;
    padding: 6px;
  }

  .titlebar,
  .game-hud {
    padding: 6px;
  }

  .game-stage {
    height: calc(100svh - 292px);
    min-height: 220px;
    padding: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .menu-scanline {
    display: none;
  }

  .game-nav a:hover,
  .game-nav button:hover:not(:disabled),
  .touch-controls button:hover:not(:disabled),
  .menu-button:hover {
    transform: none;
  }
}