:root {
  --body: #1a2a46;
  --body-hi: #2c4064;
  --body-lo: #0e1728;
  --silver: #cfd6de;
  --silver-mid: #9aa4ae;
  --silver-lo: #6d7782;
  --lcd-bg: #081208;
  --lcd-face: #0c180c;
  --pixel: #8fd94a;
  --pixel-dim: #173016;
  --ink: #b6e878;
  --pad: #0b1018;
}

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

html, body {
  height: 100%;
  background:
    radial-gradient(ellipse at 50% 10%, #1a2740 0%, #070b12 55%, #05070c 100%);
  color: var(--ink);
  font-family: "Courier New", Courier, ui-monospace, monospace;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

button:focus { outline: none; }
button:focus-visible { outline: 2px solid var(--pixel); outline-offset: 2px; }

.app {
  min-height: 100dvh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  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));
}

.phone {
  width: min(420px, 100%);
  height: min(860px, 100dvh - 20px);
  max-height: 100svh;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, var(--body-hi) 0%, var(--body) 38%, var(--body-lo) 100%);
  border-radius: 42px 42px 56px 56px;
  padding: 14px 16px 22px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -8px 16px rgba(0, 0, 0, 0.35),
    inset 10px 0 18px rgba(255, 255, 255, 0.04),
    inset -10px 0 18px rgba(0, 0, 0, 0.25),
    0 18px 50px rgba(0, 0, 0, 0.55),
    0 2px 0 #0a0e16;
  border: 1px solid #3a4d6c;
  position: relative;
}

.phone::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 36px 36px 50px 50px;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.earpiece {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 4px 0 10px;
  flex: 0 0 auto;
}

.ir {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0a0e14;
  box-shadow: inset 0 1px 2px #000, 0 0 0 1px #2a3548;
  position: absolute;
  left: 36px;
  top: 22px;
}

.speaker {
  width: 72px;
  height: 7px;
  border-radius: 6px;
  background:
    repeating-linear-gradient(90deg, #0a0e14 0 3px, #1c2433 3px 4px);
  box-shadow: inset 0 1px 2px #000, 0 1px 0 rgba(255, 255, 255, 0.08);
}

.brand {
  font-size: 13px;
  letter-spacing: 0.46em;
  color: #d5dde6;
  text-indent: 0.46em;
  font-weight: 700;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.5);
}

.screen-bezel {
  background:
    linear-gradient(180deg, #e8edf2 0%, var(--silver) 18%, var(--silver-mid) 78%, var(--silver-lo) 100%);
  border-radius: 10px;
  padding: 10px 10px 12px;
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -2px 4px rgba(0, 0, 0, 0.25),
    0 2px 0 #5c6670,
    0 6px 14px rgba(0, 0, 0, 0.28);
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
}

.lcd {
  background: var(--lcd-face);
  border-radius: 4px;
  width: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow:
    inset 0 0 0 3px #050a05,
    inset 0 0 40px rgba(20, 80, 10, 0.18),
    inset 0 8px 16px rgba(0, 0, 0, 0.45);
  position: relative;
}

.hud {
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  gap: 6px;
  padding: 7px 8px 5px;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--pixel);
  border-bottom: 2px solid var(--pixel-dim);
  flex: 0 0 auto;
  text-transform: uppercase;
}

.hud b {
  font-weight: 700;
}

.hud .sig,
.hud .bat {
  opacity: 0.75;
  font-size: 9px;
}

.playfield {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lcd-bg);
  touch-action: none;
}

#game {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0) 0 2px,
      rgba(0, 0, 0, 0.14) 2px 3px
    ),
    radial-gradient(ellipse at 50% 40%, rgba(120, 200, 60, 0.07), transparent 70%);
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  text-align: center;
  background: rgba(6, 14, 6, 0.62);
  color: var(--pixel);
}

.overlay[hidden] {
  display: none;
}

.overlay h1 {
  font-size: clamp(22px, 7vw, 32px);
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  line-height: 1.1;
  text-shadow: 0 0 14px rgba(143, 217, 74, 0.35);
}

.overlay .sub {
  font-size: 11px;
  letter-spacing: 0.14em;
  opacity: 0.8;
  max-width: 22em;
  line-height: 1.45;
}

.overlay .big {
  font-size: 18px;
  letter-spacing: 0.12em;
}

.overlay .hint {
  font-size: 10px;
  letter-spacing: 0.08em;
  opacity: 0.65;
  margin-top: 4px;
}

.lcd-btn {
  margin-top: 6px;
  border: 2px solid var(--pixel);
  color: var(--pixel);
  padding: 8px 20px;
  letter-spacing: 0.18em;
  font-weight: 700;
  background: rgba(143, 217, 74, 0.08);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
}

.lcd-btn:active {
  background: var(--pixel);
  color: var(--lcd-bg);
}

.controls {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 14px;
  gap: 8px;
}

.softkeys {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 52px 1fr;
  align-items: center;
  padding: 0 8px;
}

.soft {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: #d7dee6;
  font-weight: 700;
  padding: 8px 6px;
  border-radius: 8px;
  background: linear-gradient(180deg, #3a4d6c, #1c2a40);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 2px 0 #0a1018,
    0 3px 6px rgba(0, 0, 0, 0.35);
}

.soft:active {
  transform: translateY(1px);
  box-shadow:
    inset 0 1px 2px rgba(0, 0, 0, 0.4),
    0 1px 0 #0a1018;
}

.soft.is-off {
  opacity: 0.4;
}

.dpad {
  width: min(196px, 64vw);
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  gap: 4px;
  padding: 10px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 40%, #2a364c, #121820 72%, #0a0e14 100%);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.1),
    inset 0 -6px 10px rgba(0, 0, 0, 0.45),
    0 8px 0 #070a10,
    0 12px 18px rgba(0, 0, 0, 0.35);
}

.pad {
  border-radius: 10px;
  background: linear-gradient(180deg, #3d4d66, #1a2333);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 2px 0 #080c12;
  position: relative;
}

.pad.up    { grid-column: 2; grid-row: 1; border-radius: 12px 12px 8px 8px; }
.pad.left  { grid-column: 1; grid-row: 2; border-radius: 12px 8px 8px 12px; }
.pad.center{ grid-column: 2; grid-row: 2; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #4a5a72, #151c28); pointer-events: none; }
.pad.right { grid-column: 3; grid-row: 2; border-radius: 8px 12px 12px 8px; }
.pad.down  { grid-column: 2; grid-row: 3; border-radius: 8px 8px 12px 12px; }

.pad::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  border: 7px solid transparent;
}

.pad.up::after    { transform: translate(-50%, -60%); border-bottom-color: #d5dde8; border-top-width: 0; }
.pad.down::after  { transform: translate(-50%, -30%); border-top-color: #d5dde8; border-bottom-width: 0; }
.pad.left::after  { transform: translate(-60%, -50%); border-right-color: #d5dde8; border-left-width: 0; }
.pad.right::after { transform: translate(-30%, -50%); border-left-color: #d5dde8; border-right-width: 0; }

.pad:active {
  transform: translateY(1px);
  background: linear-gradient(180deg, #2a364c, #0e141e);
}

.pad.is-lit {
  box-shadow:
    inset 0 0 0 1px rgba(143, 217, 74, 0.35),
    0 0 10px rgba(143, 217, 74, 0.15);
}

@media (orientation: landscape) and (max-height: 520px) {
  .app { padding: 6px; }
  .phone {
    width: min(920px, 100%);
    height: min(500px, 100dvh - 12px);
    flex-direction: row;
    border-radius: 36px;
    padding: 12px 16px;
    gap: 14px;
    align-items: stretch;
  }
  .earpiece {
    position: absolute;
    left: 18px;
    top: 10px;
    padding: 0;
    gap: 4px;
  }
  .screen-bezel { flex: 1 1 auto; }
  .controls {
    width: min(240px, 34vw);
    padding-top: 28px;
    justify-content: center;
  }
  .dpad { width: min(168px, 28vw); }
}

@media (min-width: 720px) and (min-height: 800px) {
  .hud { font-size: 12px; }
}


.overlay input.name {
  margin-top: 4px;
  width: min(12em, 80%);
  font: inherit;
  font-size: 16px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
  color: var(--pixel);
  background: rgba(8, 18, 8, 0.9);
  border: 2px solid var(--pixel);
  padding: 8px 10px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
}

.overlay .board {
  margin: 4px 0 0;
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1.55;
  color: var(--pixel);
  opacity: 0.9;
  text-align: left;
  white-space: pre;
}