@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

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

:root {
  --pixel-size: 4px;
  --primary: #ff6b6b;
  --secondary: #4ecdc4;
  --dark: #1a1a2e;
  --light: #f8f9fa;
  --console-green: #92f29c;
  --key-size: 56px;
  --key-gap: 12px;
}

body {
  font-family: 'Press Start 2P', cursive;
  background-color: var(--dark);
  color: var(--light);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 700px;
  padding: 20px;
  background-image: 
    linear-gradient(rgba(26, 26, 46, 0.9), rgba(26, 26, 46, 0.9)),
    repeating-linear-gradient(0deg, transparent, transparent var(--pixel-size), rgba(255, 255, 255, 0.05) var(--pixel-size), rgba(255, 255, 255, 0.05) calc(var(--pixel-size) * 2)),
    repeating-linear-gradient(90deg, transparent, transparent var(--pixel-size), rgba(255, 255, 255, 0.05) var(--pixel-size), rgba(255, 255, 255, 0.05) calc(var(--pixel-size) * 2));
}

.container {
  width: 1200px;
  width: 100%;
  margin: 0 auto;
}


/* header */

header {
  text-align: center;
  position: relative;
  padding: 15px 0;
}

.title {
  font-size: 32px;
  letter-spacing: 1px;
  color: var(--console-green);
  text-shadow: 4px 4px 0 rgba(0, 0, 0, 0.6);
  margin-bottom: 10px;
  animation: flicker 4s infinite alternate;
}

.subtitle {
  font-size: 12px;
  color: var(--secondary);
  margin-bottom: 15px;
}


/*=== GAME AREA ====*/
.game-area {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  justify-content: center;
  margin: 20px auto;
}

/* game display section */
.game-display {
  justify-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

canvas {
  background-color: var(--dark);
  border: var(--pixel-size) solid var(--light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.3);
}

canvas::before {
  background-image: 
    linear-gradient(rgba(26, 26, 46, 0.1), rgba(26, 26, 46, 0.1)),
    repeating-linear-gradient(0deg, transparent, transparent var(--pixel-size), rgba(255, 255, 255, 0.05) var(--pixel-size), rgba(255, 255, 255, 0.05) calc(var(--pixel-size) * 2)),
    repeating-linear-gradient(90deg, transparent, transparent var(--pixel-size), rgba(255, 255, 255, 0.05) var(--pixel-size), rgba(255, 255, 255, 0.05) calc(var(--pixel-size) * 2));
  pointer-events: none;
  z-index: 2;
}

/* leaderboard section */
.leaderboard {
  max-width: 300px;
  text-align: left;
  font-size: 12px;
  color: var(--light);
}

.leaderboard h2, .controls-help h2 {
  margin: 0 0 12px 0;
  font-size: 1.25rem;
}

.lb-list {
  list-style: decimal inside;
  padding: 0;
  margin: 0 0 12px 0;
  display: grid;
  gap: 10px;
}

.lb-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  font-size: .8rem;
}

.lb-meta {
  font-size: .6rem;
  opacity: .7;
  margin-top: 5px;
}


/* Arrow Controls section */
.controls-help {
  text-align: center;
  border-radius: 12px;
  padding: 12px 14px;
}

.hint {
    font-size: .8rem;
    margin-bottom: 20px;
}

/* Grid for keys */
.controls-help .keypad {
  display: grid;
  grid-template-columns: repeat(3, var(--key-size));
  grid-template-rows: repeat(3, var(--key-size));
  grid-template-areas:
    ".     up     ."
    "left  .     right"
    ".     down   .";
  gap: var(--key-gap);
  justify-content: center;
  align-content: center;
}

/* base */
.controls-help .key {
  width: var(--key-size);
  height: var(--key-size);
  background: #15161b;
  border: 2px solid #2b2e36;
  border-radius: 10px;
  color: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Press Start 2P', monospace;
  font-size: 20px;
  line-height: 1;
  letter-spacing: 1px;
  position: relative;
  user-select: none;
  box-shadow:
    inset 0 2px 0 rgba(255,255,255,.06),       /* highlight up */
    inset 0 -6px 0 rgba(0,0,0,.45),            /* biseau bas */
    0 3px 0 #000,                              /* marche d’escalier */
    0 10px 18px rgba(0,0,0,.35);               /* drop shadow */
  text-shadow: 0 0 6px rgba(146,242,156,.15);
}

/* arrows color */
.key[id^="key-"] { color: var(--console-green); }

/* Cross placement via zones */
#key-up    { grid-area: up; }
#key-left  { grid-area: left; }
#key-right { grid-area: right; }
#key-down  { grid-area: down; }


/* Controls Buttons*/
.controls {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 20px auto;
  gap: 15px;
}

.controls p {
    font-size: 10px;
}

.buttons-row {
  flex-direction: row;
  justify-content: center;
  gap: 15px;
}

.retro-input {
  background-color: var(--dark);
  color: var(--light);
  border: 2px solid var(--secondary);
  width: 15ch; 
  padding: 8px 10px;
  margin: 10px auto;
  font-family: 'Press Start 2P', cursive;
  font-size: 14px;
  text-align: center;
  outline: none;              /* supprime le halo bleu par défaut */
  transition: all 0.2s ease;
}

.retro-input::placeholder {
  color: var(--secondary);
  opacity: 0.7;
}

.retro-input:focus {
  background-color: var(--light);
  color: var(--dark);
  border-color: var(--primary);
}

.view-toggle {
  background-color: var(--dark);
  color: var(--light);
  border: 2px solid var(--secondary);
  padding: 8px 16px;
  font-family: 'Press Start 2P', cursive;
  font-size: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.active {
  background-color: var(--secondary);
  color: var(--dark);
}


.retro-btn {
  background-color: var(--primary);
  color: var(--dark);
  border: none;
  padding: 10px 20px;
  font-family: 'Press Start 2P', cursive;
  font-size: 14px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.5);
}

.retro-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
}

.retro-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5);
}


/* footer */
.footer {
  margin-top: 30px;
  font-size: 8px;
  color: var(--light);
  opacity: 0.5;
  text-align: center;
}

/* animation */
@keyframes flicker {
  0%, 19.999%, 22%, 62.999%, 64%, 64.999%, 70%, 100% {
    opacity: 1;
  }
  20%, 21.999%, 63%, 63.999%, 65%, 69.999% {
    opacity: 0.8;
  }
}

/* === Responsive === */
@media (max-width: 1100px) {
  .container { max-width: 680px; }       /* redevient compact */
  .game-area {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .game-display  { order: 1; }
  .leaderboard   { order: 2;   text-align: center; margin: 0px 200px; }
  .controls-help { order: 3; }
}