html,
body {
  margin: 0;
  padding: 0;
}

.rps-app {
  --rps-bg: #080b0a;
  --rps-bg-grid: rgba(216, 255, 0, 0.08);
  --rps-panel-bg: #151a18;
  --rps-panel-bg-strong: #202723;
  --rps-panel-border: #d8ff00;
  --rps-panel-muted: #5b665f;
  --rps-acid: #d8ff00;
  --rps-cyan: #00e5ff;
  --rps-magenta: #ff1aa8;
  --rps-orange: #ff7a00;
  --rps-thermal-blue: #001eff;
  --rps-thermal-purple: #a600ff;
  --rps-text: #f2fff8;
  --rps-muted: #a7b1aa;
  --rps-dark: #050706;
  --rps-win: var(--rps-acid);
  --rps-lose: var(--rps-magenta);
  --rps-draw: var(--rps-cyan);
  --rps-shadow: 0 0 0 1px rgba(216, 255, 0, 0.4), 0 20px 50px rgba(0, 0, 0, 0.5);
  --rps-radius: 2px;
  --rps-font-display: "Arial Narrow", Impact, Haettenschweiler, sans-serif;
  --rps-font-mono: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  --rps-glitch-strength: 7px;
  --rps-camera-filter: contrast(1.15) saturate(1.15);
  --rps-camera-overlay-opacity: 0.16;
  --rps-motif-opacity: 0.28;

  position: relative;
  isolation: isolate;
  box-sizing: border-box;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  padding: 24px;
  background: var(--rps-bg);
  color: var(--rps-text);
  font-family: var(--rps-font-mono);
  line-height: 1.4;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.rps-app *,
.rps-app *::before,
.rps-app *::after {
  box-sizing: inherit;
}

.rps-app .rps-background-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: var(--rps-motif-opacity);
  background:
    linear-gradient(90deg, transparent 23px, var(--rps-bg-grid) 24px),
    linear-gradient(transparent 23px, var(--rps-bg-grid) 24px);
  background-size: 24px 24px;
}

.rps-app::before {
  content: "07";
  position: absolute;
  right: -4vw;
  bottom: -15vw;
  z-index: -1;
  color: var(--rps-panel-bg-strong);
  font-family: var(--rps-font-display);
  font-size: clamp(220px, 36vw, 560px);
  font-weight: 900;
  line-height: 1;
  opacity: 0.45;
  pointer-events: none;
}

.rps-app .rps-header,
.rps-app .rps-arena,
.rps-app .rps-status-wrap,
.rps-app .rps-footer {
  width: min(100%, 1280px);
  margin-inline: auto;
}

.rps-app .rps-header {
  display: grid;
  gap: 8px;
  padding: 16px 0 20px;
  border-top: 2px solid var(--rps-panel-border);
}

.rps-app .rps-kicker,
.rps-app .rps-panel-label,
.rps-app .rps-round-readout,
.rps-app .rps-selection-label,
.rps-app .rps-score,
.rps-app .rps-theme-label {
  color: var(--rps-muted);
  font-family: var(--rps-font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.rps-app .rps-title {
  margin: 0;
  color: var(--rps-text);
  font-family: var(--rps-font-display);
  font-size: clamp(46px, 9vw, 118px);
  font-stretch: condensed;
  font-weight: 900;
  line-height: 0.9;
  text-transform: uppercase;
}

.rps-app .rps-hint {
  max-width: 760px;
  margin: 0;
  color: var(--rps-muted);
  font-family: var(--rps-font-mono);
  font-size: clamp(12px, 1.8vw, 15px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.45;
  text-transform: uppercase;
}

.rps-app .rps-status-wrap {
  position: relative;
  grid-area: status;
  min-height: clamp(76px, 13vw, 150px);
  padding: 12px 16px;
  border: 1px solid var(--rps-panel-border);
  border-left-width: 10px;
  background:
    repeating-linear-gradient(135deg, var(--rps-acid) 0 10px, var(--rps-dark) 10px 20px) left top / 64px 100% no-repeat,
    var(--rps-panel-bg);
  box-shadow: var(--rps-shadow);
}

.rps-app .rps-status-wrap[data-rps-status-state="loading"]::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 50%;
  width: 24px;
  height: 24px;
  border: 3px solid var(--rps-panel-muted);
  border-top-color: var(--rps-acid);
  transform: translateY(-50%);
  animation: rps-loading-spin 700ms steps(8, end) infinite;
}

.rps-app .rps-status-wrap[data-rps-status-state="loading"] .rps-status-text {
  animation: rps-loading-pulse 900ms steps(2, end) infinite;
}

.rps-app .rps-status-wrap[data-rps-status-state="error"] {
  border-color: var(--rps-lose);
}

.rps-app .rps-status-wrap::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 10px;
  width: 10px;
  height: 18px;
  background: var(--rps-acid);
  animation: rps-cursor-blink 1s steps(2, end) infinite;
}

.rps-app .rps-status-text {
  margin: 0;
  padding-left: 64px;
  color: var(--rps-text);
  font-family: var(--rps-font-display);
  font-size: clamp(34px, 8vw, 112px);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.rps-app .rps-status-text.rps-beat-hit {
  animation: rps-beat-hit 180ms steps(2, end);
}

.rps-app .rps-arena {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  grid-template-areas:
    "player bot"
    "status status";
  gap: 14px;
}

.rps-app .rps-player-panel {
  grid-area: player;
}

.rps-app .rps-bot-panel {
  grid-area: bot;
}

.rps-app .rps-panel {
  position: relative;
  min-width: 0;
  border: 1px solid var(--rps-panel-border);
  border-radius: var(--rps-radius);
  background: var(--rps-panel-bg);
  box-shadow: var(--rps-shadow);
}

.rps-app .rps-panel-label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--rps-panel-muted);
  color: var(--rps-cyan);
}

.rps-app .rps-panel-code {
  color: var(--rps-acid);
}

.rps-app .rps-camera-stage {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background:
    linear-gradient(135deg, transparent 0 45%, var(--rps-panel-bg-strong) 45% 55%, transparent 55%),
    var(--rps-dark);
}

.rps-app .rps-camera {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  filter: var(--rps-camera-filter);
  background: var(--rps-dark);
}

.rps-app .rps-camera-standby {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--rps-panel-muted);
  font-family: var(--rps-font-display);
  font-size: clamp(44px, 9vw, 110px);
  font-weight: 900;
  text-transform: uppercase;
}

.rps-app .rps-video-fx {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: var(--rps-camera-overlay-opacity);
  background:
    repeating-linear-gradient(0deg, transparent 0 4px, var(--rps-dark) 4px 5px),
    linear-gradient(135deg, var(--rps-thermal-blue), var(--rps-thermal-purple) 28%, var(--rps-magenta) 50%, var(--rps-orange) 74%, var(--rps-acid));
  mix-blend-mode: screen;
}

.rps-app .rps-selection-box {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  display: grid;
  grid-template-areas:
    "label label"
    "emoji emoji"
    "name name";
  justify-items: start;
  grid-template-rows: auto 48px auto;
  width: 176px;
  min-height: 86px;
  max-height: 110px;
  padding: 12px;
  overflow: hidden;
  border: 1px solid var(--rps-acid);
  border-radius: var(--rps-radius);
  background: rgba(5, 7, 6, 0.88);
  background: color-mix(in srgb, var(--rps-dark) 88%, transparent);
}

.rps-app .rps-selection-box[data-rps-locked="true"] {
  background: var(--rps-acid);
  color: var(--rps-dark);
}

.rps-app .rps-selection-box[data-rps-locked="true"] .rps-selection-label {
  color: var(--rps-dark);
}

.rps-app .rps-selection-label {
  grid-area: label;
  color: var(--rps-cyan);
}

.rps-app .rps-selection-art-frame {
  grid-area: emoji;
  position: relative;
  width: 138px;
  max-width: 100%;
  min-width: 0;
  height: 48px;
  margin-top: 4px;
  overflow: hidden;
}

.rps-app .rps-selection-emoji {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  width: max-content;
  font-family: var(--rps-font-mono);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  white-space: pre;
  transform: translate(-50%, -50%) scale(var(--rps-selection-art-scale, 1));
  transform-origin: center;
}

.rps-app .rps-selection-emoji[data-rps-gesture="none"] {
  --rps-selection-art-scale: 1;
  font-size: 18px;
}

.rps-app .rps-selection-emoji[data-rps-gesture="rock"] {
  --rps-selection-art-scale: 0.18;
}

.rps-app .rps-selection-emoji[data-rps-gesture="paper"] {
  --rps-selection-art-scale: 0.11;
}

.rps-app .rps-selection-emoji[data-rps-gesture="scissors"] {
  --rps-selection-art-scale: 0.15;
}

.rps-app .rps-selection-name {
  grid-area: name;
  margin-top: 4px;
  font-family: var(--rps-font-mono);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.rps-app .rps-bot-panel {
  display: grid;
  grid-template-rows: auto 1fr;
}

.rps-app .rps-bot-core {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
  min-height: 100%;
  padding: clamp(28px, 7vw, 72px) 20px;
  background: radial-gradient(circle at center, var(--rps-panel-bg-strong), transparent 62%);
}

.rps-app .rps-bot-head {
  display: grid;
  place-items: center;
  width: 76px;
  height: 42px;
  border: 1px solid var(--rps-cyan);
  color: var(--rps-cyan);
  font-weight: 900;
  letter-spacing: 0.12em;
}

.rps-app .rps-bot-hand {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 10px;
  width: min(100%, 280px);
  aspect-ratio: 1;
  border: 2px solid var(--rps-panel-border);
  background: var(--rps-dark);
  color: var(--rps-acid);
  font-family: var(--rps-font-mono);
  font-size: clamp(20px, 3.2vw, 42px);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.05;
  text-align: center;
  white-space: pre;
}

.rps-app .rps-throw-art {
  display: block;
  white-space: pre;
}

.rps-app .rps-bot-hand[data-rps-gesture="rock"] .rps-throw-art {
  font-size: clamp(3px, 0.34vw, 3.65px);
  line-height: 1;
}

.rps-app .rps-bot-hand[data-rps-gesture="paper"] .rps-throw-art {
  font-size: clamp(3px, 0.31vw, 3.35px);
  line-height: 1;
}

.rps-app .rps-bot-hand[data-rps-gesture="scissors"] .rps-throw-art {
  font-size: clamp(3px, 0.33vw, 3.55px);
  line-height: 1;
}

.rps-app .rps-throw-caption {
  font-size: 12px;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: normal;
}

.rps-app .rps-bot-hand.rps-bot-shake {
  animation: rps-bot-shake 420ms steps(3, end) infinite;
}

.rps-app .rps-round-readout {
  color: var(--rps-muted);
}

.rps-app .rps-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--rps-panel-border);
  background: var(--rps-panel-bg);
  box-shadow: var(--rps-shadow);
}

.rps-app .rps-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.rps-app .rps-round-controls {
  display: flex;
  align-items: stretch;
  gap: 12px;
}

.rps-app .rps-score {
  color: var(--rps-text);
  font-size: clamp(14px, 2vw, 18px);
  font-variant-numeric: tabular-nums;
}

.rps-app .rps-play-btn {
  position: relative;
  display: inline-grid;
  grid-template-columns: 18px auto;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  min-width: 168px;
  padding: 12px 18px;
  border: 1px solid var(--rps-acid);
  border-radius: var(--rps-radius);
  background:
    repeating-linear-gradient(135deg, var(--rps-acid) 0 9px, var(--rps-dark) 9px 18px);
  color: var(--rps-dark);
  cursor: pointer;
  touch-action: manipulation;
  font-family: var(--rps-font-mono);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rps-app .rps-auto-play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 148px;
  padding: 12px 16px;
  border: 1px solid var(--rps-cyan);
  border-radius: var(--rps-radius);
  background: var(--rps-panel-bg-strong);
  color: var(--rps-text);
  cursor: pointer;
  touch-action: manipulation;
  font-family: var(--rps-font-mono);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rps-app .rps-auto-play-btn:hover,
.rps-app .rps-auto-play-btn:focus-visible {
  border-color: var(--rps-acid);
}

.rps-app .rps-auto-play-btn[data-rps-auto-play="true"] {
  border-color: var(--rps-acid);
  background: var(--rps-cyan);
  color: var(--rps-dark);
}

.rps-app .rps-auto-play-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.rps-app .rps-nav-btn {
  color: var(--rps-muted);
  font-family: var(--rps-font-mono);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.rps-app .rps-nav-btn:hover,
.rps-app .rps-nav-btn:focus-visible {
  color: var(--rps-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.rps-app .rps-play-btn::before {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--rps-acid);
  z-index: 0;
}

.rps-app .rps-play-btn:disabled {
  cursor: wait;
  opacity: 0.65;
}

.rps-app .rps-btn-mark,
.rps-app .rps-btn-text {
  position: relative;
  z-index: 1;
}

.rps-app .rps-btn-mark {
  width: 14px;
  height: 14px;
  background: var(--rps-dark);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.rps-app .rps-theme-control {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 20;
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--rps-cyan);
  background: var(--rps-dark);
  box-shadow: var(--rps-shadow);
}

.rps-app .rps-theme-select {
  min-height: 32px;
  border: 1px solid var(--rps-panel-border);
  border-radius: var(--rps-radius);
  background: var(--rps-panel-bg);
  color: var(--rps-text);
  font: 700 12px var(--rps-font-mono);
  text-transform: uppercase;
}

.rps-app[data-rps-result="player"] .rps-status-text {
  color: var(--rps-win);
}

.rps-app[data-rps-result="bot"] {
  --rps-panel-border: var(--rps-lose);
}

.rps-app[data-rps-result="bot"] .rps-status-text {
  color: var(--rps-lose);
}

.rps-app[data-rps-result="draw"] .rps-status-text {
  color: var(--rps-draw);
}

.rps-app[data-rps-phase="countdown"] .rps-status-wrap {
  animation: rps-countdown-glitch 260ms steps(2, end);
}

.rps-app[data-rps-phase="reveal"] .rps-panel {
  animation: rps-reveal-burst 280ms steps(2, end);
}

@keyframes rps-beat-hit {
  0% {
    transform: translateX(calc(var(--rps-glitch-strength) * -1));
    text-shadow: var(--rps-glitch-strength) 0 var(--rps-magenta), calc(var(--rps-glitch-strength) * -1) 0 var(--rps-cyan);
  }
  100% {
    transform: translateX(0);
    text-shadow: none;
  }
}

@keyframes rps-countdown-glitch {
  0% {
    filter: invert(1);
  }
  100% {
    filter: none;
  }
}

@keyframes rps-reveal-burst {
  0% {
    transform: translateY(-2px);
    filter: saturate(2) contrast(1.5);
  }
  100% {
    transform: none;
    filter: none;
  }
}

@keyframes rps-bot-shake {
  0% {
    transform: translateY(-8px) rotate(-6deg);
  }
  50% {
    transform: translateY(6px) rotate(5deg);
  }
  100% {
    transform: translateY(-2px) rotate(-2deg);
  }
}

@keyframes rps-cursor-blink {
  0%,
  45% {
    opacity: 1;
  }
  46%,
  100% {
    opacity: 0;
  }
}

@keyframes rps-loading-spin {
  0% {
    rotate: 0deg;
  }
  100% {
    rotate: 360deg;
  }
}

@keyframes rps-loading-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.68;
  }
}

@media (max-width: 700px) {
  .rps-app {
    padding: 12px 12px calc(16px + env(safe-area-inset-bottom));
  }

  .rps-app .rps-title {
    font-size: clamp(36px, 10vw, 44px);
  }

  .rps-app .rps-arena {
    grid-template-columns: 1fr;
    grid-template-areas:
      "player"
      "status"
      "bot";
  }

  .rps-app .rps-status-text {
    font-size: clamp(22px, 7vw, 34px);
    padding-left: 42px;
  }

  .rps-app .rps-status-wrap {
    background:
      repeating-linear-gradient(135deg, var(--rps-acid) 0 8px, var(--rps-dark) 8px 16px) left top / 42px 100% no-repeat,
      var(--rps-panel-bg);
  }

  .rps-app .rps-status-wrap[data-rps-status-state="loading"]::before {
    left: 12px;
    width: 18px;
    height: 18px;
  }

  .rps-app .rps-selection-box {
    right: 10px;
    bottom: 10px;
    min-width: 148px;
    min-height: 76px;
  }

  .rps-app .rps-selection-art-frame {
    width: 126px;
    height: 44px;
  }

  .rps-app .rps-selection-name {
    font-size: 10px;
  }

  .rps-app .rps-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .rps-app .rps-footer-nav {
    justify-content: center;
  }

  .rps-app .rps-nav-btn {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding-inline: 8px;
    touch-action: manipulation;
  }

  .rps-app .rps-round-controls {
    order: -1;
    flex-direction: column;
    width: 100%;
  }

  .rps-app .rps-play-btn,
  .rps-app .rps-auto-play-btn {
    width: 100%;
    justify-content: center;
  }

  .rps-app .rps-theme-control {
    position: static;
    width: min(100%, 1280px);
    margin: 0 auto 12px;
  }

  .rps-app .rps-theme-select {
    min-height: 44px;
    touch-action: manipulation;
  }
}

@media (min-width: 900px) {
  .rps-app .rps-arena {
    align-items: start;
    grid-template-columns: minmax(0, 1.42fr) minmax(280px, 0.58fr);
    column-gap: 24px;
    row-gap: 14px;
  }

  .rps-app .rps-player-panel {
    margin-top: 0;
  }

  .rps-app .rps-player-panel .rps-camera-stage {
    aspect-ratio: 16 / 9;
  }

  .rps-app .rps-bot-panel {
    margin-top: 64px;
  }

  .rps-app .rps-bot-core {
    padding-block: 34px;
  }

  .rps-app .rps-bot-hand {
    width: min(100%, 220px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .rps-app .rps-status-wrap::after,
  .rps-app .rps-status-wrap[data-rps-status-state="loading"]::before,
  .rps-app .rps-status-wrap[data-rps-status-state="loading"] .rps-status-text,
  .rps-app .rps-status-text.rps-beat-hit,
  .rps-app .rps-bot-hand.rps-bot-shake,
  .rps-app[data-rps-phase="countdown"] .rps-status-wrap,
  .rps-app[data-rps-phase="reveal"] .rps-panel {
    animation: none;
  }
}