/* DAJAI DARK reskin for DARK SERPENT.
   Loaded AFTER main-snake.css; overrides palette + chrome only — gameplay untouched.
   Original game: patorjk/JavaScript-Snake (MIT). All visuals here are pure CSS/procedural. */

:root {
  --bg: #0a0908;          /* obsidian */
  --surface: #100e0d;
  --border: #1f1c1a;
  --red: #FF2D55;         /* blood-red serpent */
  --gold: #e8c87a;        /* muted gold for chrome/text */
  --gold-bright: #ffd400; /* gold pellets + particle bursts */
  --ink: #f4f1ea;         /* off-white */
  --muted: #9a96a6;
  --mono: var(--font-space-mono), "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
}

html, body {
  background: var(--bg) !important;
  color: var(--ink) !important;
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--mono);
}

/* ---- top toolbar (theme/mode/fullscreen) ---- */
.snake-toolbar {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  background: rgba(12,12,18,.82);
  border: 1px solid var(--border);
  border-radius: 10px;
  backdrop-filter: blur(6px);
  margin: 8px;
}
.snake-toolbar span { color: var(--gold); }
.snake-toolbar select,
.snake-toolbar button {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
}
.snake-toolbar button {
  background: var(--red);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(224,38,74,.3);
}
.snake-toolbar button:hover { background: #c71f40; }

#mode-wrapper { color: var(--ink) !important; font-family: var(--mono) !important; }

/* ---- playing field ---- */
.snake-playing-field {
  background-color: var(--surface) !important;
  border: 1px solid var(--border) !important;
  box-shadow: inset 0 0 60px rgba(0,0,0,.6);
}

/* ---- the snake body (DIV blocks). Kill the upstream texture, paint red. ---- */
.snake-snakebody-block { background-color: var(--red) !important; }
.snake-snakebody-alive {
  background-image: none !important;
  background-color: var(--red) !important;
  box-shadow: 0 0 7px rgba(255,45,85,.6);
  border-radius: 3px;
  /* Smooth segment easing — kept shorter than the fastest tick so blocks
     glide between grid cells without lagging behind. */
  transition: left 55ms linear, top 55ms linear;
  will-change: left, top;
}
/* The head glows brighter and has a soft outer halo. */
#snake-snakehead-alive {
  background-color: #ff4d6d !important;
  box-shadow:
    0 0 10px rgba(255,45,85,.95),
    0 0 22px rgba(255,45,85,.55);
  border-radius: 4px;
  z-index: 5;
}
.snake-snakebody-dead {
  background-image: none !important;
  background-color: #4a1320 !important;
  box-shadow: none;
  transition: none;
  border-radius: 2px;
}

/* ---- food = gold pellet ---- */
.snake-food-block {
  background-color: var(--gold-bright, #ffd400) !important;
  background-image: none !important;
  border-radius: 50% !important;
  box-shadow:
    0 0 9px rgba(255,212,0,.85),
    0 0 20px rgba(255,212,0,.45);
  animation: snake-pellet-pulse 1.1s ease-in-out infinite;
  transition: transform 90ms ease-out;
}
@keyframes snake-pellet-pulse {
  0%, 100% { box-shadow: 0 0 9px rgba(255,212,0,.85), 0 0 18px rgba(255,212,0,.4); }
  50%      { box-shadow: 0 0 13px rgba(255,212,0,1),  0 0 30px rgba(255,212,0,.6); }
}

/* ---- dialogs (welcome / try-again / win / pause) ---- */
.snake-welcome-dialog,
.snake-try-again-dialog,
.snake-win-dialog,
.snake-pause-screen {
  font-family: var(--mono) !important;
  background-color: var(--surface) !important;
  color: var(--ink) !important;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6), 0 0 0 1px rgba(224,38,74,.12);
}
.snake-welcome-dialog strong { color: var(--gold); }
.snake-welcome-dialog button,
.snake-try-again-dialog button,
.snake-win-dialog button {
  font-family: var(--mono);
  margin-top: 10px;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(224,38,74,.3);
}
.snake-welcome-dialog button:hover,
.snake-try-again-dialog button:hover,
.snake-win-dialog button:hover { background: #c71f40; }

/* ---- polished START + GAME OVER overlay content ---- */
.snake-welcome-dialog,
.snake-try-again-dialog,
.snake-win-dialog {
  width: 320px !important;
  padding: 22px 20px !important;
  animation: snake-dialog-in 220ms cubic-bezier(.2,.8,.25,1);
}
@keyframes snake-dialog-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(.92); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
/* The upstream dialogs use margin-based centering; reconcile with the scale
   transform above so the keyframe origin matches the resting position. */
.snake-welcome-dialog { left: 50% !important; top: 50% !important; margin: 0 !important; transform: translate(-50%, -50%); }
.snake-try-again-dialog,
.snake-win-dialog { left: 50% !important; top: 50% !important; margin: 0 !important; height: auto !important; transform: translate(-50%, -50%); }

.snake-welcome-title {
  font-size: 22px;
  letter-spacing: .18em;
  color: var(--red);
  font-weight: 700;
  text-shadow: 0 0 14px rgba(255,45,85,.5);
  margin-bottom: 10px;
}
.snake-welcome-sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .04em;
  line-height: 1.5;
}
.snake-welcome-best,
.snake-end-best,
.snake-end-score {
  color: var(--gold);
}
.snake-welcome-best { margin-top: 12px; font-size: 12px; letter-spacing: .1em; }
.snake-welcome-best b { color: var(--gold-bright); }

.snake-end-text { line-height: 1.4; }
.snake-end-text > :first-child { /* the DARK SERPENT headline+GAME OVER block */
  font-size: 20px;
  letter-spacing: .16em;
  color: var(--red);
  font-weight: 700;
  text-shadow: 0 0 12px rgba(255,45,85,.45);
}
.snake-end-scores {
  display: flex;
  justify-content: center;
  gap: 26px;
  margin: 14px 0 4px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.snake-end-scores b {
  display: block;
  font-size: 22px;
  margin-top: 2px;
  color: var(--ink);
  letter-spacing: .04em;
}
.snake-end-best b { color: var(--gold-bright); }
.snake-end-newbest {
  margin-top: 8px;
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  background: rgba(255,212,0,.14);
  color: var(--gold-bright);
  border: 1px solid rgba(255,212,0,.45);
  font-size: 11px;
  letter-spacing: .14em;
  font-weight: 700;
  animation: snake-newbest-glow 1s ease-in-out infinite;
}
@keyframes snake-newbest-glow {
  0%,100% { box-shadow: 0 0 0 rgba(255,212,0,0); }
  50%     { box-shadow: 0 0 16px rgba(255,212,0,.6); }
}

/* ---- score / length / about panels ---- */
.snake-panel-component {
  font-family: var(--mono) !important;
  color: var(--gold) !important;
  font-size: 12px;
}
.snake-link { color: var(--muted); letter-spacing: .04em; }

/* ---- mobile: make the board fill the phone, dim the dead-snake transition ---- */
@media (max-width: 760px) {
  .snake-toolbar { font-size: 11px; }
  .snake-welcome-dialog,
  .snake-try-again-dialog,
  .snake-win-dialog { width: 84vw !important; max-width: 340px; }
}