/* ============================================================
   SPEEDRUN ARCADE - 1985 Outrun aesthetic
   neon pink + cyan, sunset gradient, 3D perspective grid, palms
   ============================================================ */

:root {
  --pink:   #ff2ec8;
  --pink-2: #ff6ad5;
  --cyan:   #29f6ff;
  --cyan-2: #00bcd4;
  --purple: #5a1a8a;
  --deep:   #1a0033;
  --black:  #06010f;
  --sun-1:  #ffe24a;
  --sun-2:  #ff6f3c;
  --sun-3:  #ff2ec8;
  --grid:   rgba(41, 246, 255, 0.55);
  --grid-glow: rgba(255, 46, 200, 0.35);
  --text:   #fdfdff;
  --muted:  #b9a7d6;
  --neon-glow: 0 0 6px var(--pink), 0 0 14px var(--pink), 0 0 28px var(--pink-2);
  --neon-glow-cyan: 0 0 6px var(--cyan), 0 0 14px var(--cyan), 0 0 28px var(--cyan-2);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--black);
  color: var(--text);
  font-family: 'Orbitron', 'Audiowide', monospace;
  letter-spacing: 0.05em;
  overflow: hidden;
}

body {
  position: relative;
}

/* ---------- Sky (gradient backdrop) ---------- */
.sky {
  position: fixed;
  inset: 0;
  background: linear-gradient(
    180deg,
    #1a0033 0%,
    #3a0a5a 35%,
    #8a1a6a 55%,
    #ff2ec8 70%,
    #ff6f3c 80%,
    #ffe24a 88%,
    #06010f 100%
  );
  z-index: 0;
}

/* ---------- Sun (radial gradient + horizontal "blind" mask) ---------- */
.sun {
  position: fixed;
  left: 50%;
  top: 48%;
  transform: translate(-50%, -50%);
  width: 50vmin;
  height: 50vmin;
  border-radius: 50%;
  background: radial-gradient(
    circle at 50% 35%,
    var(--sun-1) 0%,
    var(--sun-2) 45%,
    var(--sun-3) 80%,
    rgba(255, 46, 200, 0) 100%
  );
  box-shadow: 0 0 80px rgba(255, 110, 60, 0.55),
              0 0 160px rgba(255, 46, 200, 0.35);
  z-index: 1;
  /* horizontal blind stripes mask (Outrun signature) */
  -webkit-mask: linear-gradient(
    180deg,
    #000 0%, #000 55%,
    transparent 56%, transparent 60%,
    #000 61%, #000 65%,
    transparent 66%, transparent 71%,
    #000 72%, #000 76%,
    transparent 77%, transparent 83%,
    #000 84%, #000 89%,
    transparent 90%
  );
          mask: linear-gradient(
    180deg,
    #000 0%, #000 55%,
    transparent 56%, transparent 60%,
    #000 61%, #000 65%,
    transparent 66%, transparent 71%,
    #000 72%, #000 76%,
    transparent 77%, transparent 83%,
    #000 84%, #000 89%,
    transparent 90%
  );
  filter: drop-shadow(0 0 24px var(--pink-2));
}

/* ---------- Grid floor (3D perspective, scrolling) ---------- */
.grid-floor {
  position: fixed;
  left: 50%;
  bottom: -25vh;
  width: 220vw;
  height: 80vh;
  transform: translateX(-50%) perspective(60vh) rotateX(60deg);
  transform-origin: 50% 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 8vh 8vh, 8vh 8vh;
  background-position: 0 0, 0 0;
  animation: grid-scroll 1.6s linear infinite;
  z-index: 1;
  box-shadow: inset 0 0 200px var(--grid-glow);
}

@keyframes grid-scroll {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 0 8vh, 0 0; }
}

/* ---------- Palm tree silhouettes (CSS clip-path) ---------- */
.palm {
  position: fixed;
  bottom: 12vh;
  width: 18vmin;
  height: 42vmin;
  background: linear-gradient(180deg, #1a0033 0%, #06010f 80%);
  z-index: 2;
  filter: drop-shadow(0 0 6px rgba(255, 46, 200, 0.4));
  /* stylised palm silhouette: trunk + 6 fronds */
  clip-path: polygon(
    48% 100%, 52% 100%, 52% 45%,
    /* right fronds */
    78% 38%, 65% 42%, 92% 28%, 70% 35%, 95% 18%, 65% 30%,
    /* crown */
    55% 8%, 50% 0%, 45% 8%,
    /* left fronds */
    35% 30%, 5% 18%, 30% 35%, 8% 28%, 35% 42%, 22% 38%,
    48% 45%
  );
}
.palm-left  { left: 3vw; }
.palm-right { right: 3vw; transform: scaleX(-1); }

/* Optional image override: drop assets/img/palms.png or sunset.png in to swap */
body[data-bg-sunset="1"] .sun,
body[data-bg-sunset="1"] .sky { display: none; }
body[data-bg-sunset="1"] {
  background: #06010f url('../assets/img/sunset.png') center/cover no-repeat;
}

/* ---------- Scanlines (CRT effect) ---------- */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  background: repeating-linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0.18) 4px
  );
  mix-blend-mode: multiply;
}

/* ---------- App shell + screens ---------- */
#app {
  position: relative;
  z-index: 10;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4vh 4vw;
}

.screen {
  display: none;
  width: 100%;
  max-width: 900px;
  text-align: center;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.screen.active { display: flex; }

/* ---------- Title screen ---------- */
.marquee {
  font-family: 'Audiowide', 'Orbitron', monospace;
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  margin: 0;
  color: var(--pink);
  text-shadow: var(--neon-glow);
  letter-spacing: 0.12em;
  animation: pulse-pink 2.8s ease-in-out infinite;
}
.marquee-sub {
  font-family: 'Audiowide', 'Orbitron', monospace;
  font-size: clamp(1.1rem, 2.4vw, 1.8rem);
  margin: 0;
  color: var(--cyan);
  text-shadow: var(--neon-glow-cyan);
  letter-spacing: 0.3em;
}
@keyframes pulse-pink {
  0%, 100% { text-shadow: var(--neon-glow); }
  50%      { text-shadow: 0 0 10px var(--pink), 0 0 22px var(--pink), 0 0 44px var(--pink-2); }
}

.blink {
  font-family: 'Audiowide', 'Orbitron', monospace;
  font-size: clamp(1.4rem, 3.5vw, 2.4rem);
  color: var(--cyan);
  text-shadow: var(--neon-glow-cyan);
  margin: 1rem 0 0.4rem;
  animation: blink 1s steps(2, end) infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  margin: 0.2rem 0;
}
.hint.small { font-size: 0.72rem; opacity: 0.8; }
kbd {
  background: rgba(41, 246, 255, 0.15);
  border: 1px solid var(--cyan);
  border-radius: 3px;
  padding: 0 0.4em;
  font-family: 'Orbitron', monospace;
  font-size: 0.8em;
  color: var(--cyan);
}

/* ---------- Countdown ---------- */
.countdown {
  font-family: 'Audiowide', monospace;
  font-size: 18vmin;
  color: var(--pink);
  text-shadow: 0 0 24px var(--pink), 0 0 48px var(--pink-2);
  animation: countdown-pulse 0.5s ease-out;
}
@keyframes countdown-pulse {
  from { transform: scale(2); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* ---------- HUD ---------- */
.hud, .hud-bottom {
  width: 100%;
  display: flex;
  gap: 0.8rem;
  align-items: stretch;
  font-family: 'Orbitron', monospace;
}
.hud-cell {
  flex: 1;
  background: rgba(6, 1, 15, 0.75);
  border: 1px solid var(--cyan);
  border-radius: 4px;
  padding: 0.5rem 0.7rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  box-shadow: 0 0 8px rgba(41, 246, 255, 0.4),
              inset 0 0 6px rgba(41, 246, 255, 0.2);
}
.hud-cell-wide { flex: 2; }
.hud-label {
  font-size: 0.65rem;
  color: var(--cyan);
  letter-spacing: 0.3em;
}
.hud-value {
  font-family: 'Audiowide', monospace;
  font-size: clamp(1rem, 2.4vw, 1.6rem);
  color: var(--pink);
  text-shadow: 0 0 6px var(--pink);
}

/* Time bar */
.time-bar, .fuel-bar {
  width: 100%;
  height: 0.6rem;
  background: rgba(41, 246, 255, 0.1);
  border: 1px solid var(--cyan);
  border-radius: 999px;
  overflow: hidden;
}
.time-bar-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  box-shadow: 0 0 8px var(--pink);
  transition: width 100ms linear;
}
.time-bar-fill.low { background: linear-gradient(90deg, #ff3030, var(--pink)); }

.fuel-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--sun-1), var(--sun-2), var(--pink));
  box-shadow: 0 0 8px var(--sun-2);
  transition: width 300ms ease-out;
}

/* ---------- Question card ---------- */
.question-card {
  width: 100%;
  background: rgba(10, 0, 25, 0.78);
  border: 1px solid var(--pink);
  border-radius: 6px;
  padding: 1.4rem 1.4rem;
  box-shadow: 0 0 12px var(--pink-2), inset 0 0 12px rgba(255, 46, 200, 0.15);
  text-align: left;
}
.question-meta {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
  font-family: 'Orbitron', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
}
.meta-week {
  color: var(--cyan);
  border: 1px solid var(--cyan);
  border-radius: 3px;
  padding: 0.1rem 0.5rem;
}
.meta-difficulty {
  color: var(--pink);
  border: 1px solid var(--pink);
  border-radius: 3px;
  padding: 0.1rem 0.5rem;
}

.prompt {
  font-family: 'Orbitron', monospace;
  font-size: clamp(0.95rem, 1.7vw, 1.15rem);
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 1rem;
  white-space: pre-wrap;
}

.options {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
@media (max-width: 720px) {
  .options { grid-template-columns: 1fr; }
}

.option-btn {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  width: 100%;
  background: rgba(6, 1, 15, 0.85);
  border: 1px solid var(--cyan);
  color: var(--text);
  padding: 0.7rem 0.9rem;
  font-family: 'Orbitron', monospace;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  border-radius: 4px;
  transition: transform 80ms ease-out, box-shadow 80ms ease-out, background 80ms;
}
.option-btn:hover {
  background: rgba(41, 246, 255, 0.12);
  box-shadow: 0 0 10px var(--cyan);
  transform: translateY(-1px);
}
.option-btn .letter {
  font-family: 'Audiowide', monospace;
  color: var(--pink);
  text-shadow: 0 0 4px var(--pink);
  flex: 0 0 auto;
  width: 1.6em;
}
.option-btn.correct {
  background: rgba(41, 246, 255, 0.25);
  border-color: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}
.option-btn.wrong {
  background: rgba(255, 30, 100, 0.25);
  border-color: #ff3060;
  box-shadow: 0 0 16px #ff3060;
}
.option-btn:disabled { cursor: default; }

/* ---------- Combo toast ---------- */
.combo-toast {
  position: fixed;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.6);
  font-family: 'Audiowide', monospace;
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: var(--sun-1);
  text-shadow: 0 0 10px var(--sun-2), 0 0 30px var(--pink);
  opacity: 0;
  pointer-events: none;
  z-index: 60;
  transition: transform 220ms ease-out, opacity 220ms ease-out;
}
.combo-toast.show {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

/* ---------- Game over ---------- */
.stats {
  background: rgba(6, 1, 15, 0.8);
  border: 1px solid var(--cyan);
  border-radius: 6px;
  padding: 1rem 1.4rem;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 0 12px rgba(41, 246, 255, 0.5);
}
.stat-row {
  display: flex;
  justify-content: space-between;
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px dashed rgba(41, 246, 255, 0.25);
}
.stat-row:last-child { border-bottom: none; }
.stat-row span:first-child { color: var(--cyan); letter-spacing: 0.2em; }
.stat-row span:last-child  { color: var(--pink); font-family: 'Audiowide', monospace; text-shadow: 0 0 6px var(--pink); }

.initials-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
}
.initials-row label {
  font-family: 'Orbitron', monospace;
  color: var(--cyan);
  letter-spacing: 0.3em;
  font-size: 0.85rem;
}
#initials-input {
  background: rgba(6, 1, 15, 0.9);
  border: 2px solid var(--pink);
  color: var(--pink);
  font-family: 'Audiowide', monospace;
  font-size: 2.4rem;
  text-align: center;
  width: 5ch;
  padding: 0.2rem 0.4rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-shadow: 0 0 8px var(--pink);
  box-shadow: 0 0 10px var(--pink-2), inset 0 0 8px rgba(255, 46, 200, 0.2);
}

/* ---------- Buttons ---------- */
.neon-btn {
  background: transparent;
  border: 2px solid var(--cyan);
  color: var(--cyan);
  font-family: 'Audiowide', monospace;
  letter-spacing: 0.2em;
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  cursor: pointer;
  border-radius: 4px;
  text-shadow: 0 0 4px var(--cyan);
  box-shadow: 0 0 8px rgba(41, 246, 255, 0.5), inset 0 0 6px rgba(41, 246, 255, 0.2);
  transition: transform 80ms, box-shadow 80ms, background 80ms;
}
.neon-btn:hover {
  background: rgba(41, 246, 255, 0.15);
  box-shadow: 0 0 14px var(--cyan), inset 0 0 8px rgba(41, 246, 255, 0.35);
  transform: translateY(-1px);
}
.actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---------- Leaderboard ---------- */
.leaderboard {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
  max-width: 520px;
  font-family: 'Orbitron', monospace;
  background: rgba(6, 1, 15, 0.8);
  border: 1px solid var(--pink);
  border-radius: 6px;
  box-shadow: 0 0 12px var(--pink-2);
}
.leaderboard li {
  display: grid;
  grid-template-columns: 2.5em 4em 1fr 4em;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-bottom: 1px dashed rgba(255, 46, 200, 0.3);
  font-size: 1rem;
}
.leaderboard li:last-child { border-bottom: none; }
.leaderboard .rank   { color: var(--cyan); font-family: 'Audiowide', monospace; }
.leaderboard .name   { color: var(--pink); font-family: 'Audiowide', monospace; text-shadow: 0 0 4px var(--pink); letter-spacing: 0.2em; }
.leaderboard .score  { color: var(--sun-1); text-align: right; text-shadow: 0 0 4px var(--sun-2); }
.leaderboard .combo  { color: var(--muted); text-align: right; font-size: 0.8rem; }
.leaderboard li.you  { background: rgba(255, 46, 200, 0.18); }

/* ---------- Review ---------- */
.per-week {
  width: 100%;
  max-width: 700px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}
.per-week .pw-cell {
  background: rgba(6, 1, 15, 0.8);
  border: 1px solid var(--cyan);
  border-radius: 4px;
  padding: 0.4rem 0.2rem;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  text-align: center;
}
.per-week .pw-cell .pw-label { color: var(--cyan); display: block; }
.per-week .pw-cell .pw-value { color: var(--pink); font-family: 'Audiowide', monospace; font-size: 1.1rem; }

.wrong-list {
  width: 100%;
  max-width: 800px;
  max-height: 50vh;
  overflow-y: auto;
  text-align: left;
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  padding-right: 0.4rem;
}
.wrong-list .wrong-item {
  background: rgba(6, 1, 15, 0.78);
  border: 1px solid #ff3060;
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
  margin-bottom: 0.6rem;
  box-shadow: 0 0 6px rgba(255, 48, 96, 0.4);
}
.wrong-item .wi-head {
  color: var(--cyan);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  margin-bottom: 0.4rem;
}
.wrong-item .wi-prompt { color: var(--text); margin-bottom: 0.4rem; white-space: pre-wrap; }
.wrong-item .wi-answer { color: var(--muted); margin-bottom: 0.4rem; }
.wrong-item .wi-answer b { color: var(--pink); }
.wrong-item .wi-rationale { color: var(--cyan); font-style: italic; }

/* ---------- Mute indicator ---------- */
.mute-indicator {
  position: fixed;
  top: 10px;
  right: 12px;
  z-index: 100;
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  background: rgba(6, 1, 15, 0.7);
  border: 1px solid var(--cyan);
  border-radius: 3px;
  padding: 0.2rem 0.5rem;
  opacity: 0;
  transition: opacity 200ms;
}
.mute-indicator.show { opacity: 1; }

/* ---------- Scrollbar ---------- */
.wrong-list::-webkit-scrollbar { width: 6px; }
.wrong-list::-webkit-scrollbar-track { background: rgba(41, 246, 255, 0.05); }
.wrong-list::-webkit-scrollbar-thumb { background: var(--pink); border-radius: 3px; }