:root {
  --ink: #eef3ff;
  --muted: #8490aa;
  --cyan: #70e1ff;
  --violet: #b5a5ff;
  --locked: #798baa;
  --active: #f8fbff;
  --panel: #0e1424;
  --line: #293754;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: #080b16;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100svh;
  background: radial-gradient(circle at 50% 13%, #1a2742, #080b16 58%);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

body[data-screen="menu"],
body[data-screen="results"] { overflow: hidden; }

body:not(.debug-ui) .dev-only { display: none !important; }
body:not(.debug-ui) .runbar { grid-template-columns: 1fr 1fr; }

.launch-screen,
.results-screen {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  overflow-y: auto;
  padding:
    max(16px, env(safe-area-inset-top))
    max(14px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom))
    max(14px, env(safe-area-inset-left));
  background:
    radial-gradient(circle at 50% 12%, rgba(31, 72, 126, .72), transparent 42%),
    linear-gradient(160deg, #080b16, #0b1020 52%, #11102a);
}

.launch-card,
.results-card {
  position: relative;
  width: min(100%, 760px);
  min-width: 0;
  padding: clamp(14px, 3vw, 28px);
  background: linear-gradient(145deg, rgba(16, 24, 43, .97), rgba(8, 12, 24, .98));
  border: 1px solid #344665;
  border-radius: 22px;
  box-shadow: 0 30px 90px #000b, inset 0 1px rgba(255, 255, 255, .08);
}

.overlay-audio {
  position: absolute;
  z-index: 3;
  top: 11px;
  right: 11px;
}

.audio-controls {
  display: flex;
  gap: 5px;
}

[data-sound-toggle][aria-pressed="false"],
[data-music-toggle][aria-pressed="false"] {
  color: #8c98ae;
  border-color: #303b52;
  box-shadow: none;
}

.brand-mark {
  display: block;
  width: min(100%, 520px);
  height: clamp(150px, 30svh, 300px);
  margin: -8px auto 0;
  object-fit: contain;
  border-radius: 15px;
}

.launch-copy {
  max-width: 620px;
  margin: -4px auto 18px;
  text-align: center;
}

.launch-copy .eyebrow { color: var(--cyan); }
.launch-copy h1 {
  margin: 7px 0 8px;
  font: 900 clamp(23px, 5vw, 38px)/1 system-ui;
  letter-spacing: -.045em;
}

.launch-copy p:last-child {
  max-width: 570px;
  margin: auto;
  color: #aebad0;
  font: 500 clamp(10px, 2.5vw, 13px)/1.55 system-ui;
}

.launch-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.launch-mode {
  min-height: 118px;
  padding: 15px;
  text-align: left;
  background: linear-gradient(145deg, #17243c, #101829);
}

.launch-mode span,
.launch-mode strong,
.launch-mode small { display: block; }
.launch-mode span { color: #8b9bb5; font-size: 8px; letter-spacing: .16em; }
.launch-mode strong { margin: 5px 0 7px; color: var(--cyan); font: 900 25px/1 system-ui; }
.launch-mode small { color: #aab7cd; font: 500 10px/1.45 system-ui; letter-spacing: 0; }
.launch-mode.hyper {
  background: linear-gradient(145deg, #2b2451, #17172e);
  border-color: #564a87;
}
.launch-mode.hyper strong { color: var(--violet); }
.launch-mode:hover,
.launch-mode:focus-visible { border-color: var(--cyan); box-shadow: 0 0 24px #70e1ff22; }
.launch-mode.hyper:hover,
.launch-mode.hyper:focus-visible { border-color: var(--violet); box-shadow: 0 0 24px #b5a5ff22; }

.first-run {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7px 13px;
  margin-top: 13px;
  color: #96a4bd;
  font-size: 9px;
}

.first-run > strong { color: var(--ink); font-size: 8px; letter-spacing: .12em; }
.first-run span { white-space: nowrap; }
kbd {
  min-width: 20px;
  display: inline-block;
  margin-right: 2px;
  padding: 3px 4px;
  color: #ddecff;
  background: #0b1020;
  border: 1px solid #3d4b68;
  border-radius: 5px;
  box-shadow: inset 0 -1px #0008;
  text-align: center;
  font: inherit;
}

.ad-slot {
  min-height: 52px;
  display: grid;
  place-content: center;
  gap: 3px;
  margin-top: 14px;
  padding: 9px;
  color: #71809b;
  background: rgba(6, 10, 20, .58);
  border: 1px dashed #34415b;
  border-radius: 9px;
  text-align: center;
}

.ad-slot span { font-size: 8px; letter-spacing: .14em; }
.ad-slot small { font-size: 7px; letter-spacing: .03em; }
.menu-ad-slot {
  position: relative;
  width: 320px;
  height: 52px;
  min-height: 52px;
  margin-left: 50%;
  padding: 0;
  transform: translateX(-50%);
}

.portal-banner {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 320px;
  height: 50px;
  transform: translate(-50%, -50%);
}

.ad-status {
  min-height: 50px;
  display: grid;
  place-content: center;
  gap: 3px;
  padding: 7px;
}

.menu-ad-slot[data-ad-state="shown"] {
  background: transparent;
  border-color: transparent;
}

.menu-ad-slot[data-ad-state="shown"] .ad-status { visibility: hidden; }
.local-data-note {
  margin: 8px 0 0;
  color: #96a4bd;
  text-align: center;
  font: 500 10px/1.45 system-ui;
}

.sr-only {
  position: fixed;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.results-card {
  width: min(100%, 480px);
  text-align: center;
}

.results-card .eyebrow { color: var(--violet); }
.results-card h2 { margin: 8px 0 18px; font: 900 clamp(28px, 8vw, 46px)/.95 system-ui; }
.results-score { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.results-score span {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 8px;
  color: #8290aa;
  background: #0c1323;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 8px;
}
.results-score strong { color: var(--ink); font-size: clamp(20px, 6vw, 30px); }
#resultsMode { color: var(--cyan); font-size: 9px; }
.results-actions { display: grid; grid-template-columns: 1.2fr .8fr; gap: 8px; margin-top: 13px; }
.results-actions button { min-height: 52px; }
.primary-action {
  color: #07101b;
  background: var(--cyan);
  border-color: #bcf5ff;
  box-shadow: 0 0 20px #70e1ff33;
}

.continue-action {
  width: 100%;
  margin-top: 9px;
  color: #07101b;
  background: #ddecff;
  border-color: #ffffff;
}

.landscape-guard {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: max(20px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  background: rgba(7, 11, 22, .97);
  text-align: center;
}

.landscape-guard.on { display: grid; }
.landscape-guard > div { max-width: 470px; }
.landscape-guard h2 { margin: 7px 0; font: 900 clamp(25px, 7vw, 42px)/1 system-ui; }
.landscape-guard p:last-child { color: #a8b5cb; font: 500 12px/1.5 system-ui; }

.shell {
  width: min(100%, 560px);
  margin: auto;
  padding:
    max(10px, env(safe-area-inset-top))
    max(10px, env(safe-area-inset-right))
    max(15px, env(safe-area-inset-bottom))
    max(10px, env(safe-area-inset-left));
}

header,
.scorebar,
.runbar,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.eyebrow,
small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .16em;
}

h1 {
  margin: 3px 0 8px;
  font: 900 clamp(24px, 7vw, 38px)/.9 system-ui;
  letter-spacing: -.06em;
}

h1 span { color: var(--cyan); }

button {
  min-height: 44px;
  color: var(--ink);
  background: #151d32;
  border: 1px solid #34415f;
  border-radius: 9px;
  font: 700 10px ui-monospace, monospace;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

/* Keep rapid mobile input inside the game instead of invoking browser UI. */
body[data-screen="playing"] :is(.arena-wrap, .controls, .powerups),
body[data-screen="playing"] :is(.arena-wrap, .controls, .powerups) * {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

body[data-screen="playing"] :is(.controls, .powerups) button {
  touch-action: manipulation;
}

button:disabled { opacity: .38; }
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 2px;
}
.header-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 5px; }
.small { padding: 8px 7px; font-size: 9px; }

.modebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  padding: 6px 7px;
  background: rgba(14, 20, 36, .86);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.modebar > div:first-child { display: flex; flex-direction: column; min-width: 0; }
.modebar strong { color: var(--cyan); font-size: 10px; }
.mode-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.mode-button { padding: 7px 8px; color: var(--muted); font-size: 9px; }
.mode-button.active {
  color: #08101d;
  background: var(--cyan);
  border-color: #b6f3ff;
  box-shadow: 0 0 12px #70e1ff55;
}

#hyperMode.active {
  background: var(--violet);
  border-color: #ded6ff;
  box-shadow: 0 0 12px #b5a5ff55;
}

.scorebar {
  padding: 7px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.scorebar > div { display: flex; flex-direction: column; }
.scorebar > div:last-child { text-align: right; }
.scorebar strong { font-size: 16px; }

.chain {
  flex: 1;
  margin-inline: 11px;
  border-inline: 1px solid var(--line);
  text-align: center;
}

.chain strong { color: var(--violet); }
#chainDetail { color: #9ca6be; font-size: 8px; }

.runbar {
  display: grid;
  grid-template-columns: 1.15fr 1.15fr .9fr;
  gap: 7px;
  margin: 6px 0;
}

.next-piece,
.front-readout {
  height: 54px;
  min-width: 0;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  background: rgba(14, 20, 36, .86);
  border: 1px solid var(--line);
  border-radius: 9px;
}

.next-piece span,
.front-readout {
  display: flex;
  flex-direction: column;
}

.next-piece strong { font-size: 11px; }
.next-piece canvas { flex: 0 0 auto; }
.banked-tate { border-color: #3b365d; }
.banked-tate strong { color: var(--violet); }

.front-readout {
  align-items: flex-end;
  justify-content: center;
  text-align: right;
}

.front-readout strong {
  color: var(--cyan);
  font-size: 16px;
  line-height: 1;
}

.front-readout span {
  margin-top: 2px;
  color: #6f7c96;
  font-size: 8px;
}

.arena-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(60, 91, 132, .18), transparent 55%),
    #080d1a;
  border: 1px solid #34415f;
  border-radius: 12px;
}

.arena-wrap.freeze-on {
  border-color: #8be8ff;
  box-shadow: inset 0 0 34px #70e1ff77, 0 0 14px #70e1ff33;
}

.arena-wrap.slow-on {
  border-color: #83f2cf;
  box-shadow: inset 0 0 30px #83f2cf33, 0 0 13px #83f2cf22;
}

.arena-wrap.freeze-on.slow-on {
  border-color: #b7f7ee;
  box-shadow: inset 0 0 38px #70e1ff66, 0 0 15px #83f2cf44;
}

.arena-wrap.power-impact { animation: bombImpact .42s cubic-bezier(.2, .75, .3, 1); }

.arena-wrap.ro-tate-on::after {
  content: "";
  position: absolute;
  z-index: 4;
  inset: 0;
  pointer-events: none;
  border: 2px solid #c7a7ff;
  border-radius: inherit;
  background: radial-gradient(ellipse at 50% 48%, transparent 38%, rgba(125, 222, 255, .13) 66%, rgba(157, 106, 255, .2));
  box-shadow: inset 0 0 34px rgba(186, 139, 255, .45), 0 0 20px rgba(93, 218, 255, .32);
  animation: roTatePulse .9s cubic-bezier(.12, .72, .2, 1) both;
}

#arena {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
}

.power-atmosphere,
.freeze-field,
.slow-field,
.power-fx {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.power-atmosphere {
  z-index: 2;
  overflow: hidden;
  border-radius: inherit;
}

.freeze-field,
.slow-field {
  opacity: 0;
  transition: opacity .28s ease;
}

.freeze-field {
  background:
    linear-gradient(90deg, rgba(112, 225, 255, .18), transparent 18% 82%, rgba(112, 225, 255, .18)),
    radial-gradient(ellipse at 50% 47%, transparent 42%, rgba(112, 225, 255, .08) 65%, rgba(196, 246, 255, .23));
  filter: saturate(1.16);
}

.arena-wrap.freeze-on .freeze-field {
  opacity: 1;
  animation: frostBreath 2.6s ease-in-out infinite alternate;
}

.slow-field {
  inset: -28%;
  background:
    repeating-radial-gradient(circle at 50% 47%, transparent 0 13%, rgba(131, 242, 207, .09) 13.4% 14%, transparent 14.4% 21%),
    conic-gradient(from 0deg at 50% 47%, transparent, rgba(131, 242, 207, .11), transparent 31%, transparent 68%, rgba(112, 225, 255, .08), transparent);
  mix-blend-mode: screen;
}

.arena-wrap.slow-on .slow-field {
  opacity: 1;
  animation: slowOrbit 6s linear infinite;
}

.power-state-badges {
  position: absolute;
  z-index: 4;
  top: 9px;
  left: 9px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  pointer-events: none;
}

.power-state-badges span {
  padding: 5px 7px;
  color: #eaffff;
  background: rgba(8, 20, 31, .82);
  border: 1px solid currentColor;
  border-radius: 999px;
  box-shadow: 0 0 12px currentColor;
  font-size: 8px;
  letter-spacing: .08em;
  backdrop-filter: blur(4px);
}

.power-state-badges .freeze-state { color: #9aecff; }
.power-state-badges .slow-state { color: #9ff8dc; }

.power-fx {
  --power-color: #ffffff;
  --power-soft: rgba(255, 255, 255, .2);
  z-index: 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  opacity: 0;
  color: var(--power-color);
  background: transparent;
}

.power-fx.freeze {
  --power-color: #bdf6ff;
  --power-soft: rgba(112, 225, 255, .3);
}

.power-fx.slow {
  --power-color: #a6ffe4;
  --power-soft: rgba(131, 242, 207, .26);
}

.power-fx.bomb {
  --power-color: #ffe1a1;
  --power-soft: rgba(255, 181, 67, .4);
}

.power-fx.play { animation: powerCurtain 1.05s ease-out both; }

.power-fx-core {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 2px;
  padding: 8px 12px;
  background: rgba(5, 11, 23, .84);
  border: 1px solid var(--power-color);
  border-radius: 8px;
  box-shadow: 0 0 18px var(--power-soft), inset 0 0 12px var(--power-soft);
  opacity: 0;
  transform: scale(.55);
}

.power-fx.play .power-fx-core { animation: powerTitle .88s .08s cubic-bezier(.1, .8, .2, 1) both; }
.power-fx-core strong { font: 900 14px/1 system-ui; letter-spacing: .14em; }
.power-fx-core small { color: currentColor; font-size: 7px; letter-spacing: .19em; }

.message {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: grid;
  place-content: center;
  background: rgba(8, 11, 22, .88);
  text-align: center;
  white-space: pre-line;
  font: 800 22px system-ui;
}

.hidden { display: none; }
.clearfx { position: absolute; z-index: 5; inset: 0; pointer-events: none; }

.clearfx.on {
  background: rgba(181, 165, 255, .25);
  animation: flash .42s ease-in-out infinite alternate;
}

@keyframes flash { to { opacity: .12; filter: brightness(2); } }

@keyframes frostBreath { to { opacity: .68; filter: saturate(1.25) brightness(1.08); } }

@keyframes slowOrbit {
  to { transform: rotate(360deg) scale(1.04); }
}

@keyframes powerCurtain {
  0% { opacity: 0; }
  10%, 60% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes powerTitle {
  0% { opacity: 0; transform: scale(.55) translateY(14px); }
  24%, 68% { opacity: 1; transform: scale(1) translateY(0); }
  100% { opacity: 0; transform: scale(1.08) translateY(-7px); }
}

@keyframes bombImpact {
  0%, 100% { transform: translate(0); }
  16% { transform: translate(-5px, 2px); }
  31% { transform: translate(5px, -3px); }
  48% { transform: translate(-3px, -1px); }
  67% { transform: translate(3px, 2px); }
  84% { transform: translate(-1px, 1px); }
}

@keyframes roTatePulse {
  0% { opacity: 0; transform: scale(.985); filter: brightness(1); }
  18% { opacity: 1; transform: scale(1); filter: brightness(1.35); }
  52% { opacity: .72; filter: brightness(1.08); }
  100% { opacity: 0; transform: scale(1.008); filter: brightness(1); }
}

.block-legend {
  min-height: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 5px 11px;
  padding: 5px 3px 1px;
  color: #a8b4cc;
  font-size: 8px;
  letter-spacing: .06em;
}

.block-legend span { display: inline-flex; align-items: center; gap: 4px; }
.block-legend b { color: #65718a; font-size: 7px; }

.block-legend i {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 2px;
}

.locked-swatch { background: var(--locked); }
.active-swatch { background: var(--active); box-shadow: 0 0 6px #fff9; }
.ghost-swatch { border: 2px solid var(--cyan); }

.feedback {
  min-height: 25px;
  padding: 5px 2px 3px;
  color: #a8b4cc;
  text-align: center;
  font-size: 8px;
  letter-spacing: .06em;
}

.powerups {
  margin-bottom: 8px;
  padding: 6px;
  background: linear-gradient(135deg, rgba(30, 27, 59, .94), rgba(14, 20, 36, .9));
  border: 1px solid #4b4475;
  border-radius: 11px;
}

.powerups.hidden { display: none; }
.powerups .control-label b { color: var(--violet); }
.power-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.power-button {
  min-width: 0;
  min-height: 52px;
  padding: 4px;
  background: #1b2037;
  box-shadow: inset 0 1px #596780;
}

.power-button i { display: block; font: normal 18px system-ui; }
.power-button span { display: block; margin: 1px 0; font-size: 8px; }
.power-button b { color: var(--muted); font-size: 9px; }
.power-button.freeze i { color: var(--cyan); }
.power-button.bomb i { color: #ffcf70; }
.power-button.slow i { color: #83f2cf; }
.power-button.active { box-shadow: inset 0 1px #fff9, 0 0 15px currentColor; }

.controls {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 8px;
}

.control-panel {
  padding: 6px;
  background: rgba(14, 20, 36, .82);
  border: 1px solid var(--line);
  border-radius: 11px;
}

.control-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0 2px 5px;
}

.control-label b {
  color: var(--cyan);
  font-size: 10px;
  letter-spacing: .1em;
}

.control-label span { color: var(--muted); font-size: 7px; }

.dpad {
  display: grid;
  grid-template: repeat(2, 58px) / repeat(3, 1fr);
  gap: 5px;
}

.dpad-up { grid-area: 1 / 2; }
.dpad-left { grid-area: 2 / 1; }
.dpad-down { grid-area: 2 / 2; }
.dpad-right { grid-area: 2 / 3; }

.action-grid {
  display: grid;
  grid-template: 72px 44px / 1fr 1fr;
  gap: 5px;
}

.control-button {
  min-width: 0;
  min-height: 0;
  background: linear-gradient(#263655, #151d32);
  box-shadow: inset 0 1px #65799c, 0 4px 14px #0005;
}

.control-button.secondary {
  background: linear-gradient(#2b2d50, #181a34);
}

.dpad-down i { color: #83f2cf; }
.hard i { color: #ffcf70; }
.dpad-down.held {
  background: linear-gradient(#286056, #173a36);
  box-shadow: inset 0 1px #8affdb, 0 0 14px #5effc144;
  transform: translateY(1px);
}

.control-button:active:not(:disabled) { transform: translateY(2px); }
.control-button i {
  display: block;
  color: var(--cyan);
  font: normal 24px system-ui;
}

.control-button.secondary i { color: var(--violet); }
.control-button span { display: block; margin-top: 2px; font-size: 8px; }

.bank-control,
.flip-control {
  background: linear-gradient(#3a335f, #1d1b37);
}

.bank-control i,
.flip-control i {
  display: inline;
  margin-right: 5px;
  color: var(--violet);
  font-size: 18px;
}

.bank-control span,
.flip-control span { display: inline; }

.flip-control {
  background: linear-gradient(#24465a, #152b3c);
}

.flip-control i { color: var(--cyan); }

.key-hint {
  padding: 5px 2px 0;
  color: #65718a;
  text-align: center;
  font-size: 8px;
  letter-spacing: .04em;
}

details {
  margin-top: 8px;
  padding: 8px 3px;
  border-top: 1px solid #27314a;
  color: #9aa5bc;
  font-size: 9px;
  line-height: 1.5;
}

summary { color: var(--ink); font-weight: bold; letter-spacing: .1em; }

#debug {
  padding: 8px;
  background: #060912;
  border: 1px solid #26314c;
  color: #93f4d7;
  font-size: 8px;
  white-space: pre-wrap;
}

footer { margin-top: 6px; color: #56627d; font-size: 8px; }

@media (max-width: 420px) {
  .shell { padding-inline: max(8px, env(safe-area-inset-left)); }
  .eyebrow { font-size: 8px; }
  .small { padding-inline: 6px; font-size: 8px; }
  .modebar strong { font-size: 9px; }
  .mode-button { padding-inline: 6px; }
  .block-legend { gap-inline: 7px; }
  .block-legend b { flex-basis: 100%; text-align: center; }
  .controls { gap: 6px; }
  .control-panel { padding: 5px; }
  .control-label span { display: none; }
  .dpad { grid-template-rows: repeat(2, 54px); }
  .action-grid { grid-template-rows: 67px 41px; }
  .power-button { min-height: 48px; }
  .next-piece,
  .front-readout { padding-inline: 5px; }
  .next-piece canvas { width: 46px; }
}

@media (max-width: 560px) {
  .launch-screen,
  .results-screen { place-items: start center; }
  .launch-card,
  .results-card { margin-block: auto; border-radius: 16px; }
  .brand-mark { height: clamp(145px, 25svh, 215px); }
  .launch-copy { margin-bottom: 13px; }
  .launch-modes { grid-template-columns: 1fr; gap: 7px; }
  .launch-mode { min-height: 88px; padding: 12px; }
  .launch-mode strong { font-size: 21px; }
  .first-run { justify-content: flex-start; }
  body[data-screen="playing"] .modebar { display: none; }
}

@media (orientation: portrait) and (max-height: 650px) {
  body[data-screen="playing"] header > div:first-child,
  body[data-screen="playing"] .runbar,
  body[data-screen="playing"] .block-legend,
  body[data-screen="playing"] .feedback,
  body[data-screen="playing"] .key-hint,
  body[data-screen="playing"] details,
  body[data-screen="playing"] footer { display: none; }
  body[data-screen="playing"] header { justify-content: flex-end; }
  body[data-screen="playing"] .scorebar { padding-block: 4px; }
  body[data-screen="playing"] #arena {
    height: calc((100vw - 16px) * 1.1);
  }
  body[data-screen="playing"] .controls { margin-top: 5px; }
  body[data-screen="playing"] .dpad { grid-template-rows: repeat(2, 48px); }
  body[data-screen="playing"] .action-grid { grid-template-rows: 52px 44px; }
  body[data-screen="playing"].hyper-mode .scorebar { display: none; }
  body[data-screen="playing"].hyper-mode #arena {
    height: calc((100vw - 16px) * .94);
  }
  body[data-screen="playing"].hyper-mode .powerups {
    margin: 4px 0 0;
    padding: 4px;
  }
  body[data-screen="playing"].hyper-mode .power-button { min-height: 44px; }
}

@media (min-width: 880px) {
  .shell {
    width: min(calc(100% - 28px), 1000px);
    display: grid;
    grid-template-columns: minmax(0, 620px) minmax(300px, 360px);
    grid-template-rows: auto repeat(9, auto);
    column-gap: 12px;
    align-items: start;
  }

  header { grid-column: 1 / -1; grid-row: 1; }
  .arena-wrap { grid-column: 1; grid-row: 2 / span 7; }
  .modebar { grid-column: 2; grid-row: 2; margin-bottom: 0; }
  .scorebar { grid-column: 2; grid-row: 3; }
  .runbar { grid-column: 2; grid-row: 4; grid-template-columns: 1fr 1fr; }
  .front-readout { grid-column: 1 / -1; }
  .powerups { grid-column: 2; grid-row: 5; margin-bottom: 0; }
  .controls { grid-column: 2; grid-row: 6; }
  .key-hint { grid-column: 2; grid-row: 7; }
  details { grid-column: 2; grid-row: 8; margin-top: 0; }
  #debug { grid-column: 2; grid-row: 9; }
  footer { grid-column: 2; grid-row: 10; }
  .block-legend { grid-column: 1; grid-row: 9; }
  .feedback { grid-column: 1; grid-row: 10; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 345px) {
  .runbar { gap: 4px; }
  .next-piece canvas { width: 40px; }
  .next-piece strong { font-size: 8px; }
  .controls { grid-template-columns: 1.2fr .8fr; gap: 4px; }
  .control-button span { font-size: 6px; }
}