/* =====================================================
   Rock · Paper · Scissors — STUNNING EDITION
   Neon / Cyberpunk aesthetic with full animation suite
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@500;600;700&display=swap');

/* ---------- Theme variables ---------- */
:root {
  --bg: #07071a;
  --bg-soft: #0f0f28;
  --bg-card: #14143a;
  --text: #e8e8ff;
  --muted: #7878aa;
  --border: rgba(120, 120, 220, 0.25);
  --accent: #22d3ee;
  --accent-soft: rgba(34, 211, 238, 0.15);
  --win: #4ade80;
  --lose: #f87171;
  --tie: #facc15;
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.8);
  --radius: 20px;
  --speed: 0.3s;
}

html[data-theme="light"] {
  --bg: #eef2ff;
  --bg-soft: #ffffff;
  --bg-card: #f5f7ff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(100, 100, 200, 0.2);
  --shadow: 0 10px 40px rgba(30, 40, 100, 0.12);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Rajdhani', 'Segoe UI', system-ui, sans-serif;
  font-size: 18px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 28px 16px 72px;
  transition: background var(--speed), color var(--speed);
  position: relative;
  overflow-x: hidden;
}

/* Animated radial glow bg */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 25%, rgba(99, 0, 210, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 75%, rgba(0, 140, 210, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(22, 0, 60, 0.25) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
  animation: bgBreath 9s ease-in-out infinite alternate;
}

html[data-theme="light"] body::before {
  background:
    radial-gradient(ellipse at 15% 25%, rgba(140, 60, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 75%, rgba(0, 140, 210, 0.06) 0%, transparent 50%);
}

@keyframes bgBreath {
  0%   { opacity: 0.6; }
  100% { opacity: 1;   }
}

/* ---------- Particle canvas ---------- */
#particle-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ---------- Main game wrapper ---------- */
.game {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 740px;
}

/* ---------- Top logo ---------- */
.icon-game {
  display: block;
  margin: 0 auto 6px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  box-shadow: 0 0 28px var(--accent-soft), 0 0 60px var(--accent-soft);
  transition: transform 0.6s ease, box-shadow var(--speed);
  animation: iconFloat 4s ease-in-out infinite;
}
.icon-game:hover {
  transform: rotate(20deg) scale(1.1) !important;
  animation-play-state: paused;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-7px); }
}

/* ---------- Title ---------- */
.title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  text-align: center;
  margin: 6px 0 2px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.title .vs {
  color: var(--accent);
  margin: 0 10px;
  font-style: italic;
  animation: vsPulse 2.5s ease-in-out infinite;
}

@keyframes vsPulse {
  0%, 100% { text-shadow: 0 0 12px var(--accent); }
  50%       { text-shadow: 0 0 40px var(--accent), 0 0 80px var(--accent); }
}

/* ---------- Win streak ---------- */
.streak-display {
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 2px;
  min-height: 1.6em;
  transition: all 0.4s;
  margin: 4px 0 2px;
}
.streak-display.hot {
  color: var(--win);
  text-shadow: 0 0 16px var(--win);
  animation: streakBounce 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.streak-display.cold {
  color: var(--lose);
  text-shadow: 0 0 12px var(--lose);
}

@keyframes streakBounce {
  0%   { transform: scale(0.7); }
  100% { transform: scale(1);   }
}

/* ---------- Section labels ---------- */
.section-label {
  text-align: center;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.72rem;
  font-family: 'Orbitron', sans-serif;
  margin: 18px 0 14px;
}

.hint {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 12px;
}

kbd {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 0.82em;
  color: var(--accent);
  font-family: 'Rajdhani', sans-serif;
}

/* ---------- Choice buttons ---------- */
.choice-container {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
}

.choice {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--border);
  padding: 12px;
  cursor: pointer;
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1),
              border-color 0.25s, box-shadow 0.25s, opacity 0.25s;
  position: relative;
  overflow: hidden;
}

/* Spinning conic-gradient ring on hover */
.choice::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent 50%, var(--accent) 100%);
  animation: spin 2.5s linear infinite;
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: 0;
}
.choice::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg-card);
  z-index: 0;
}
.choice > * { position: relative; z-index: 1; }

.choice:hover:not(:disabled)::before { opacity: 1; }
.choice:hover:not(:disabled) {
  transform: translateY(-10px) scale(1.1);
  border-color: var(--accent);
  box-shadow: 0 0 32px var(--accent-soft), 0 18px 36px rgba(0,0,0,0.45);
}
.choice:active:not(:disabled) {
  transform: translateY(-3px) scale(0.97);
}
.choice:disabled {
  cursor: not-allowed;
  opacity: 0.28;
}

@keyframes spin { to { transform: rotate(360deg); } }

.image-choice {
  width: 110px;
  height: 110px;
  display: block;
}

.choice-label {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.25s;
}
.choice:hover:not(:disabled) .choice-label { color: var(--accent); }

/* ---------- Battle Arena ---------- */
.result-container {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 18px;
  flex-wrap: wrap;
}

.vs-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.vs-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--accent);
  animation: vsPulse 2.5s ease-in-out infinite;
  display: block;
}

.result-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  min-width: 155px;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}
.result-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  opacity: 0;
  transition: opacity 0.4s;
}
.result-card.win {
  border-color: var(--win);
  transform: scale(1.07) translateY(-5px);
  box-shadow: 0 0 35px rgba(74, 222, 128, 0.35), 0 18px 48px rgba(0,0,0,0.4);
}
.result-card.win::after {
  background: radial-gradient(ellipse at top, rgba(74, 222, 128, 0.1) 0%, transparent 70%);
  opacity: 1;
}
.result-card.lose {
  border-color: var(--lose);
  box-shadow: 0 0 20px rgba(248, 113, 113, 0.2);
}
.result-card.lose::after {
  background: radial-gradient(ellipse at top, rgba(248, 113, 113, 0.07) 0%, transparent 70%);
  opacity: 1;
}

.player-name-display {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 10px !important;
}

/* ---------- Round message ---------- */
.round-message {
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  min-height: 1.7em;
  margin: 14px 0 6px;
  letter-spacing: 1px;
  transition: color 0.3s;
}
.round-message.win {
  color: var(--win);
  text-shadow: 0 0 20px var(--win);
  animation: msgWin 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.round-message.lose  { color: var(--lose); text-shadow: 0 0 14px var(--lose); }
.round-message.tie   { color: var(--tie);  text-shadow: 0 0 14px var(--tie);  }

@keyframes msgWin {
  0%   { transform: scale(0.75); opacity: 0; }
  100% { transform: scale(1);    opacity: 1; }
}

/* ---------- Round history ---------- */
.round-history {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin: 8px 0 6px;
  min-height: 26px;
  flex-wrap: wrap;
}

.history-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.55rem;
  font-weight: 700;
  animation: dotPop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.history-dot.win  { color: var(--win);  background: rgba(74, 222, 128, 0.15); }
.history-dot.lose { color: var(--lose); background: rgba(248, 113, 113, 0.12); }
.history-dot.tie  { color: var(--tie);  background: rgba(250, 204, 21, 0.12);  }

@keyframes dotPop {
  0%   { transform: scale(0) rotate(-90deg); opacity: 0; }
  100% { transform: scale(1) rotate(0);      opacity: 1; }
}

/* ---------- Score chips ---------- */
.results-container {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.score-chip {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 99px;
  padding: 7px 22px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  transition: transform 0.2s, box-shadow 0.2s;
  min-width: 72px;
  text-align: center;
}
.score-chip.wins   { color: var(--win);  border-color: rgba(74, 222, 128, 0.4); }
.score-chip.losses { color: var(--lose); border-color: rgba(248, 113, 113, 0.4); }
.score-chip.ties   { color: var(--tie);  border-color: rgba(250, 204, 21, 0.4);  }

.score-chip.pulse {
  animation: chipPulse 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes chipPulse {
  0%   { transform: scale(1.35); }
  100% { transform: scale(1);    }
}

/* ---------- Progress bar ---------- */
.progress-bar {
  width: min(460px, 90%);
  margin: 16px auto 6px;
  height: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--win));
  transition: width 0.55s cubic-bezier(0.34, 1.2, 0.64, 1);
  box-shadow: 0 0 12px var(--accent-soft);
}

/* ---------- Action buttons ---------- */
.action-btns {
  text-align: center;
  margin-top: 18px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-ghost,
.btn-accent,
.save-btn {
  border-radius: 999px;
  padding: 10px 26px;
  font-weight: 700;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-transform: uppercase;
}

.btn-ghost {
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--accent-soft);
}

.btn-accent {
  border: 2px solid var(--accent);
  background: var(--accent);
  color: #000;
}
.btn-accent:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px var(--accent-soft);
}

#auto-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #000;
  animation: activePulse 1.8s ease-in-out infinite;
}
@keyframes activePulse {
  0%, 100% { box-shadow: 0 0 18px var(--accent-soft); }
  50%       { box-shadow: 0 0 40px var(--accent-soft), 0 0 70px var(--accent-soft); }
}

/* ---------- Floating toggles ---------- */
.settings-toggle,
.theme-toggle {
  position: fixed;
  top: 16px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text);
  border: 2px solid var(--border);
  font-size: 1.25rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.3s;
  z-index: 50;
  backdrop-filter: blur(12px);
}
.settings-toggle { right: 16px; }
.theme-toggle    { right: 72px; }
.settings-toggle:hover,
.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: 0 0 22px var(--accent-soft);
  transform: rotate(22deg) scale(1.1);
}

/* ---------- Settings panel ---------- */
.settings-panel {
  position: fixed;
  top: 0; right: 0;
  height: 100vh;
  width: min(360px, 90%);
  background: var(--bg-soft);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 24px 22px;
  transform: translateX(105%);
  transition: transform 0.4s cubic-bezier(0.34, 1.2, 0.64, 1);
  z-index: 100;
  overflow-y: auto;
  backdrop-filter: blur(20px);
}
.settings-panel.open { transform: translateX(0); }

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.settings-header h2 {
  margin: 0;
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  letter-spacing: 2px;
  color: var(--accent);
}
.close-btn {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.9rem;
  cursor: pointer;
  line-height: 1;
  transition: transform 0.3s, color 0.3s;
}
.close-btn:hover { transform: rotate(90deg); color: var(--accent); }

.setting {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}
.setting strong { color: var(--accent); }
.setting input[type="text"],
.setting select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 0.95rem;
  outline: none;
  font-family: 'Rajdhani', sans-serif;
  transition: border-color var(--speed), box-shadow var(--speed);
}
.setting input[type="text"]:focus,
.setting select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-soft);
}
.setting input[type="range"] { accent-color: var(--accent); }
.setting input[type="color"] {
  width: 64px; height: 38px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  border-radius: 8px;
}
.setting.toggle { flex-direction: row; align-items: center; justify-content: space-between; }
.setting.toggle input { width: 20px; height: 20px; accent-color: var(--accent); cursor: pointer; }
.save-btn { width: 100%; margin-top: 14px; }

/* ---------- Game-over overlay ---------- */
.game-over-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 4, 20, 0.88);
  backdrop-filter: blur(16px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.game-over-card {
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: 28px;
  padding: 44px 40px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 0 70px var(--accent-soft), 0 40px 80px rgba(0,0,0,0.6);
  animation: cardPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes cardPop {
  from { transform: scale(0.4) rotate(-8deg); opacity: 0; }
  to   { transform: scale(1)   rotate(0);     opacity: 1; }
}

.game-over-icon {
  font-size: 4.5rem;
  margin-bottom: 14px;
  display: block;
  animation: iconSpin 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes iconSpin {
  from { transform: scale(0) rotate(-180deg); }
  to   { transform: scale(1) rotate(0);       }
}

.game-over-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.7rem;
  color: var(--accent);
  text-shadow: 0 0 24px var(--accent);
  margin-bottom: 8px;
}
.game-over-msg {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 24px;
  line-height: 1.4;
}
.go-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.go-stat .val {
  display: block;
  font-family: 'Orbitron', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
}
.go-stat .lbl {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  font-family: 'Orbitron', sans-serif;
}
.go-stat.gw .val { color: var(--win); }
.go-stat.gl .val { color: var(--lose); }
.go-stat.gt .val { color: var(--tie); }

/* ---------- Confetti canvas ---------- */
#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
}

/* ---------- Animations ---------- */
@keyframes pop {
  0%   { transform: scale(0.45) rotate(-12deg); opacity: 0; }
  60%  { transform: scale(1.18) rotate(4deg);   opacity: 1; }
  100% { transform: scale(1)    rotate(0);       }
}
.pop { animation: pop 0.48s cubic-bezier(0.34, 1.56, 0.64, 1); }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-9px) rotate(-1deg); }
  40%       { transform: translateX(9px)  rotate(1deg);  }
  60%       { transform: translateX(-6px); }
  80%       { transform: translateX(6px);  }
}
.shake { animation: shake 0.5s ease; }

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .image-choice  { width: 82px; height: 82px; }
  .choice        { padding: 9px; }
  .icon-game     { width: 76px; height: 76px; }
  .title         { font-size: 1.05rem; }
  .vs-text       { font-size: 1.1rem; }
  .result-card   { min-width: 130px; padding: 12px 14px; }
  .score-chip    { padding: 6px 14px; font-size: 0.72rem; }
  .game-over-card { padding: 30px 24px; }
  .game-over-title { font-size: 1.3rem; }
}