/* ============================================================
   Nokia 3310 Snake — CSS
   ============================================================ */

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

:root {
  --nokia-body:    #c8c5bc;
  --nokia-dark:    #5a5750;
  --nokia-mid:     #9e9b93;
  --nokia-light:   #e2dfd8;
  --lcd-bg:        #849669;
  --lcd-fg:        #2c3a1e;
  --lcd-shadow:    #3d4a2d;
  --lcd-shine:     #a8b88a;
  --btn-face:      #b0ada6;
  --btn-shadow:    #6a6760;
  --btn-shine:     #d8d5ce;
  --dpad-face:     #464340;
  --dpad-center:   #808080;
  --font-pixel:    'Press Start 2P', monospace;
}

body {
  background: radial-gradient(ellipse at center, #2a2520 0%, #111 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-pixel);
  overflow-x: hidden;
}

/* ── Phone Wrapper ── */
.phone-wrapper {
  perspective: 1200px;
  padding: 20px;
}

.phone-body {
  position: relative;
  width: 280px;
  background: linear-gradient(160deg, var(--nokia-light) 0%, var(--nokia-body) 40%, var(--nokia-mid) 100%);
  border-radius: 32px 32px 50% 50% / 20px 20px 40px 40px;
  padding: 18px 16px 24px;
  box-shadow:
    0 2px 0 #fff8 inset,
    -3px 0 6px #0004 inset,
    3px 0 6px #0002 inset,
    0 20px 60px #000a,
    0 4px 12px #0006;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  animation: floatIn 0.6s ease-out;
}

@keyframes floatIn {
  from { transform: translateY(30px) rotateX(8deg); opacity: 0; }
  to   { transform: translateY(0)    rotateX(0deg); opacity: 1; }
}

/* ── Antenne ── */
.antenna {
  position: absolute;
  top: -28px;
  right: 24px;
  width: 8px;
  height: 30px;
  background: linear-gradient(to bottom, #e8e5de, #9e9b93);
  border-radius: 4px 4px 2px 2px;
  box-shadow: 0 -6px 0 6px #b0ada6, -1px 0 2px #0004 inset;
}

/* ── Top speaker ── */
.phone-top {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 4px;
}
.speaker-grill {
  display: flex;
  gap: 4px;
  background: var(--nokia-dark);
  padding: 4px 10px;
  border-radius: 4px;
}
.speaker-grill span {
  display: block;
  width: 3px;
  height: 14px;
  background: #302e2a;
  border-radius: 2px;
  box-shadow: 0 1px 0 #5a5750 inset;
}

/* ── Screen Bezel ── */
.screen-bezel {
  width: 100%;
  background: var(--nokia-dark);
  border-radius: 10px;
  padding: 8px;
  box-shadow: 0 3px 8px #0007, 0 1px 0 #fff3 inset;
}

/* ── LCD Screen ── */
.screen-lcd {
  position: relative;
  width: 100%;
  aspect-ratio: 7 / 6;
  background: var(--lcd-bg);
  border-radius: 4px;
  overflow: hidden;
  box-shadow:
    0 0 0 2px #1a1f10,
    0 0 20px #4a5a2a44 inset,
    0 2px 4px #0006 inset;
}

/* Reflet d'écran */
.screen-lcd::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 35%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.08), transparent);
  z-index: 10;
  pointer-events: none;
}

/* Scanlines */
.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.06) 2px,
    rgba(0,0,0,0.06) 4px
  );
  z-index: 5;
  pointer-events: none;
}

/* Canvas */
#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* HUD */
.hud {
  display: flex;
  justify-content: space-between;
  padding: 4px 6px 0;
  font-size: 7px;
  color: var(--lcd-shine);
  letter-spacing: 0.5px;
  text-shadow: 0 1px 2px #0006;
}

/* ── Overlays ── */
.overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--lcd-bg);
  color: var(--lcd-fg);
  font-family: var(--font-pixel);
  text-align: center;
  padding: 10px;
}
.overlay.hidden { display: none; }

/* Title */
.title-logo {
  font-size: 22px;
  color: var(--lcd-shadow);
  text-shadow: 2px 2px 0 var(--lcd-shine);
  letter-spacing: 2px;
}
.title-sub {
  font-size: 8px;
  color: var(--lcd-shadow);
  letter-spacing: 6px;
  margin-top: -4px;
}
.title-start {
  font-size: 7px;
  margin-top: 10px;
}
.title-hint {
  font-size: 5px;
  color: var(--lcd-shadow);
  opacity: 0.7;
}

/* Game Over */
.go-title  { font-size: 14px; color: var(--lcd-shadow); letter-spacing: 1px; }
.go-score  { font-size: 7px; }
.go-name-label { font-size: 6px; margin-top: 4px; }

#playerName {
  font-family: var(--font-pixel);
  font-size: 8px;
  background: var(--lcd-shadow);
  color: var(--lcd-shine);
  border: none;
  outline: none;
  padding: 4px 6px;
  text-align: center;
  width: 80px;
  border-radius: 2px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
#playerName::placeholder { opacity: 0.5; }

#submitScore, #skipScore {
  font-family: var(--font-pixel);
  font-size: 6px;
  background: var(--lcd-shadow);
  color: var(--lcd-shine);
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 2px;
  letter-spacing: 1px;
  transition: background 0.1s;
}
#submitScore:hover { background: var(--lcd-fg); }
#skipScore { background: transparent; color: var(--lcd-shadow); text-decoration: underline; }

/* Leaderboard */
.lb-title {
  font-size: 12px;
  color: var(--lcd-shadow);
  letter-spacing: 2px;
  margin-bottom: 4px;
}
#lbList {
  list-style: none;
  width: 100%;
  padding: 0 6px;
}
#lbList li {
  display: flex;
  justify-content: space-between;
  font-size: 5.5px;
  color: var(--lcd-fg);
  padding: 2px 0;
  border-bottom: 1px solid rgba(44,58,30,0.2);
}
#lbList li:first-child { color: var(--lcd-shadow); font-size: 6px; }
.lb-back {
  font-size: 6px;
  margin-top: 6px;
  cursor: pointer;
}

/* ── Blink animation ── */
.blink { animation: blink 1s step-end infinite; }
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Buttons Area ── */
.buttons-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* Softkeys row */
.softkeys {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 8px;
}
.softkey {
  font-family: var(--font-pixel);
  font-size: 12px;
  background: linear-gradient(to bottom, var(--btn-shine), var(--btn-face));
  border: none;
  border-radius: 6px;
  width: 36px;
  height: 22px;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--btn-shadow), 0 1px 0 #fff6 inset;
  transition: transform 0.07s, box-shadow 0.07s;
  display: flex; align-items: center; justify-content: center;
}
.softkey:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--btn-shadow);
}

.center-logo {
  font-family: serif;
  font-size: 11px;
  font-style: italic;
  color: var(--nokia-dark);
  letter-spacing: 1px;
  opacity: 0.7;
}

/* D-Pad */
.dpad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.dpad-middle {
  display: flex;
  align-items: center;
  gap: 2px;
}
.dpad-btn {
  background: linear-gradient(135deg, #5a5750, var(--dpad-face));
  border: none;
  color: #ccc8c0;
  font-size: 11px;
  cursor: pointer;
  box-shadow: 0 2px 0 #1a1816, 0 1px 0 #fff2 inset;
  transition: transform 0.07s, box-shadow 0.07s;
  display: flex; align-items: center; justify-content: center;
  user-select: none;
}
.dpad-btn:active { transform: scale(0.93); box-shadow: 0 1px 0 #1a1816; }

.dpad-up, .dpad-down {
  width: 44px; height: 28px;
  border-radius: 6px 6px 4px 4px;
}
.dpad-down { border-radius: 4px 4px 6px 6px; }

.dpad-left, .dpad-right {
  width: 28px; height: 44px;
  border-radius: 6px 4px 4px 6px;
}
.dpad-right { border-radius: 4px 6px 6px 4px; }

.dpad-center {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #8a8680, #3a3836);
  font-size: 7px;
  font-family: var(--font-pixel);
  color: #ffd;
  box-shadow: 0 2px 4px #0008, 0 1px 0 #fff3 inset;
}

/* Numpad */
.numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  width: 100%;
  padding: 0 8px;
}
.num-btn {
  font-family: var(--font-pixel);
  font-size: 8px;
  background: linear-gradient(to bottom, var(--btn-shine), var(--btn-face));
  border: none;
  border-radius: 6px;
  height: 26px;
  cursor: pointer;
  color: var(--nokia-dark);
  box-shadow: 0 3px 0 var(--btn-shadow), 0 1px 0 #fff6 inset;
  transition: transform 0.07s, box-shadow 0.07s;
}
.num-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--btn-shadow);
}

/* ── Responsive ── */
@media (max-width: 340px) {
  .phone-body { width: 96vw; }
}
@media (min-width: 600px) {
  .phone-body { width: 300px; }
  body { padding: 20px 0; }
}