:root {
  --bg: #06061a;
  --bg2: #0a0a25;
  --cyan: #00ffff;
  --magenta: #ff00ff;
  --yellow: #ffea00;
  --pink: #ff007f;
  --green: #00ff88;
  --text: #e0e0ff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'Courier New', 'Consolas', monospace;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  overscroll-behavior: none;
}

body {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(255, 0, 255, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(0, 255, 255, 0.18), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  position: relative;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 255, 255, 0.025) 0,
    rgba(0, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 1000;
}

.screen {
  position: fixed;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  padding-top: env(safe-area-inset-top, 20px);
  padding-bottom: env(safe-area-inset-bottom, 20px);
}

.screen.active { display: flex; }

.logo {
  font-size: clamp(48px, 14vw, 96px);
  font-weight: 900;
  letter-spacing: 6px;
  line-height: 0.9;
  color: var(--cyan);
  text-shadow:
    0 0 10px var(--cyan),
    0 0 30px var(--cyan),
    0 0 60px var(--magenta);
  margin-bottom: 40px;
  animation: flicker 5s infinite;
}

.logo span {
  display: block;
  color: var(--magenta);
  text-shadow: 0 0 10px var(--magenta), 0 0 30px var(--magenta);
  font-size: 0.45em;
  letter-spacing: 12px;
  margin-top: 8px;
}

@keyframes flicker {
  0%, 96%, 100% { opacity: 1; }
  97% { opacity: 0.7; }
  98% { opacity: 1; }
  99% { opacity: 0.85; }
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 320px;
}

.btn {
  font-family: inherit;
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 3px;
  padding: 16px 24px;
  background: transparent;
  color: var(--cyan);
  border: 2px solid var(--cyan);
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  text-transform: uppercase;
  box-shadow:
    0 0 12px rgba(0, 255, 255, 0.35),
    inset 0 0 12px rgba(0, 255, 255, 0.12);
  position: relative;
}

.btn:active {
  background: rgba(0, 255, 255, 0.15);
  transform: scale(0.97);
  box-shadow:
    0 0 25px rgba(0, 255, 255, 0.6),
    inset 0 0 20px rgba(0, 255, 255, 0.25);
}

.btn.primary {
  background: linear-gradient(135deg, var(--magenta), #c000c0);
  color: #fff;
  border-color: var(--magenta);
  box-shadow:
    0 0 20px var(--magenta),
    0 0 40px rgba(255, 0, 255, 0.6);
}

.btn.primary:active {
  background: linear-gradient(135deg, #fff, var(--magenta));
  box-shadow: 0 0 35px #fff, 0 0 70px var(--magenta);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.6);
  box-shadow: none;
}

.hint {
  margin-top: 30px;
  opacity: 0.5;
  font-size: 12px;
  letter-spacing: 2px;
}

.link-box {
  background: rgba(255, 0, 255, 0.08);
  border: 1px solid var(--magenta);
  border-radius: 4px;
  padding: 18px;
  width: 100%;
  max-width: 380px;
  margin: 20px 0;
  box-shadow: 0 0 30px rgba(255, 0, 255, 0.2);
}

.link-label {
  font-size: 11px;
  opacity: 0.7;
  margin-bottom: 8px;
  letter-spacing: 3px;
  color: var(--magenta);
}

.link-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.link-row .btn {
  flex: 1;
  padding: 12px;
  font-size: 13px;
}

input {
  width: 100%;
  padding: 12px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 255, 255, 0.4);
  color: var(--cyan);
  font-family: inherit;
  font-size: 13px;
  border-radius: 4px;
  text-align: center;
  letter-spacing: 1px;
}

input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan);
}

#roomInput {
  font-size: 22px;
  letter-spacing: 4px;
  text-transform: uppercase;
  max-width: 320px;
  margin-bottom: 24px;
}

h2 {
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan);
  font-size: 22px;
  letter-spacing: 5px;
  margin-bottom: 24px;
}

.status {
  font-size: 13px;
  opacity: 0.75;
  margin: 16px 0;
  letter-spacing: 1px;
  min-height: 20px;
}

#game {
  padding: 0;
  justify-content: flex-start;
}

.hud {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 10px 16px;
  padding-top: max(10px, env(safe-area-inset-top));
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent);
  z-index: 10;
  gap: 8px;
}

.score {
  display: flex;
  flex-direction: column;
  font-size: 26px;
  font-weight: bold;
  font-variant-numeric: tabular-nums;
}

.score.p1 { color: var(--cyan); text-shadow: 0 0 10px var(--cyan); align-items: flex-start; }
.score.p2 { color: var(--magenta); text-shadow: 0 0 10px var(--magenta); align-items: flex-end; }

.score .label {
  font-size: 10px;
  opacity: 0.6;
  letter-spacing: 3px;
}

.badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 120px;
}

.badge {
  font-size: 14px;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid currentColor;
  letter-spacing: 1px;
  font-weight: bold;
  text-shadow: 0 0 6px currentColor;
  box-shadow: 0 0 10px currentColor inset, 0 0 8px currentColor;
}

.board-wrap {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  position: relative;
  min-height: 0;
}

#canvas {
  display: block;
  touch-action: none;
}

.dpad {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 6px;
  padding: 12px 16px;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}

.dpad button {
  background: rgba(0, 255, 255, 0.08);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 22px;
  padding: 14px;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.3), inset 0 0 8px rgba(0, 255, 255, 0.1);
  transition: transform 0.08s;
}

.dpad button:active {
  background: var(--cyan);
  color: var(--bg);
  transform: scale(0.92);
  box-shadow: 0 0 25px var(--cyan);
}

.dpad button[data-dir="up"]    { grid-column: 2; grid-row: 1; }
.dpad button[data-dir="left"]  { grid-column: 1; grid-row: 2; }
.dpad button[data-dir="down"]  { grid-column: 2; grid-row: 2; }
.dpad button[data-dir="right"] { grid-column: 3; grid-row: 2; }

.effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.effect-text {
  position: absolute;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 3px;
  pointer-events: none;
  animation: rise 1.4s ease-out forwards;
  text-shadow: 0 0 12px currentColor, 0 0 24px currentColor;
  white-space: nowrap;
}

@keyframes rise {
  0%   { transform: translate(-50%, 0) scale(0.5); opacity: 0; }
  20%  { transform: translate(-50%, -20px) scale(1.2); opacity: 1; }
  100% { transform: translate(-50%, -90px) scale(1); opacity: 0; }
}

.gameover-title {
  font-size: clamp(40px, 12vw, 80px);
  color: var(--pink);
  text-shadow: 0 0 20px var(--pink), 0 0 40px var(--pink);
  letter-spacing: 8px;
  margin-bottom: 30px;
  animation: glitch 3s infinite;
}

@keyframes glitch {
  0%, 92%, 100% { transform: translate(0); text-shadow: 0 0 20px var(--pink), 0 0 40px var(--pink); }
  93% { transform: translate(-2px, 1px); text-shadow: 2px 0 var(--cyan), -2px 0 var(--magenta); }
  94% { transform: translate(2px, -1px); }
  95% { transform: translate(-1px, 2px); }
  96% { transform: translate(0); }
}

.final-scores {
  display: flex;
  gap: 50px;
  font-size: 28px;
  margin-bottom: 40px;
  font-variant-numeric: tabular-nums;
}

.fs { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.fs .label { font-size: 11px; letter-spacing: 3px; opacity: 0.6; }
.fs.p1 { color: var(--cyan); text-shadow: 0 0 10px var(--cyan); }
.fs.p2 { color: var(--magenta); text-shadow: 0 0 10px var(--magenta); }

@media (min-width: 700px) and (hover: hover) {
  .dpad { display: none; }
}