/* Quirk Reports Games - Premium Shared Styles */
/* Version 2.0 - Professional Grade */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Exo+2:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Core palette */
  --qr-purple-darkest: #0D0221;
  --qr-purple-dark: #1A0A2E;
  --qr-purple-deep: #2D1054;
  --qr-purple: #6B21A8;
  --qr-purple-mid: #7C3AED;
  --qr-purple-light: #A855F7;
  --qr-purple-glow: #C084FC;

  --qr-green: #22C55E;
  --qr-green-light: #4ADE80;
  --qr-green-neon: #39FF14;
  --qr-green-dark: #166534;

  --qr-yellow: #FACC15;
  --qr-yellow-light: #FDE68A;
  --qr-orange: #F97316;
  --qr-orange-light: #FB923C;
  --qr-red: #EF4444;
  --qr-cyan: #22D3EE;
  --qr-blue: #3B82F6;

  --qr-white: #FFFFFF;
  --qr-ghost-white: #F0E6FF;
  --qr-text: #E8D5FF;
  --qr-text-dim: #9B7FC4;
  --qr-bg: #0D0221;
  --qr-card-bg: rgba(26, 10, 46, 0.85);
  --qr-card-bg-solid: #1A0A2E;
  --qr-card-border: rgba(107, 33, 168, 0.5);

  --qr-glow-green: 0 0 20px rgba(34, 197, 94, 0.4), 0 0 60px rgba(34, 197, 94, 0.1);
  --qr-glow-purple: 0 0 20px rgba(124, 58, 237, 0.4), 0 0 60px rgba(124, 58, 237, 0.1);
  --qr-glow-orange: 0 0 20px rgba(249, 115, 22, 0.4), 0 0 60px rgba(249, 115, 22, 0.1);
  --qr-glow-yellow: 0 0 20px rgba(250, 204, 21, 0.4), 0 0 60px rgba(250, 204, 21, 0.1);
  --qr-glow-cyan: 0 0 20px rgba(34, 211, 238, 0.4), 0 0 60px rgba(34, 211, 238, 0.1);

  /* Typography */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-round: 999px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--qr-bg);
  color: var(--qr-text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  font-weight: 400;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--qr-purple-darkest); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--qr-purple-mid), var(--qr-purple));
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--qr-purple-light); }

/* ===== GAME WRAPPER ===== */
.game-wrapper {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-lg);
}

/* ===== GAME HEADER ===== */
.game-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
}

.game-header .logo-link {
  display: inline-block;
  margin-bottom: var(--space-sm);
  transition: transform 0.3s var(--ease-spring);
}

.game-header .logo-link:hover { transform: scale(1.05); }
.game-header .logo-link img { height: 50px; }

.game-header h1 {
  font-family: var(--font-display);
  font-size: 2.2em;
  font-weight: 800;
  color: var(--qr-white);
  text-shadow: 0 0 40px rgba(124, 58, 237, 0.6), 0 2px 0 rgba(0,0,0,0.3);
  margin-bottom: var(--space-xs);
  letter-spacing: 1px;
  line-height: 1.2;
}

.game-header .subtitle {
  font-family: var(--font-body);
  color: var(--qr-green-light);
  font-size: 1em;
  font-style: italic;
  font-weight: 300;
  opacity: 0.9;
}

/* ===== GLASS PANEL ===== */
.glass-panel {
  background: linear-gradient(135deg, rgba(26, 10, 46, 0.9), rgba(45, 16, 84, 0.7));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.5), transparent);
}

/* ===== GAME AREA ===== */
.game-area {
  background: linear-gradient(180deg, rgba(26, 10, 46, 0.95), rgba(13, 2, 33, 0.98));
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow:
    var(--qr-glow-purple),
    inset 0 1px 0 rgba(168, 85, 247, 0.15);
  position: relative;
  overflow: hidden;
}

.game-area::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.4), transparent);
}

.game-area canvas {
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-md);
  max-width: 100%;
  image-rendering: auto;
}

/* ===== SCORE BAR ===== */
.score-bar {
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: linear-gradient(135deg, rgba(13, 2, 33, 0.9), rgba(26, 10, 46, 0.8));
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: var(--space-md);
  position: relative;
  overflow: hidden;
}

.score-bar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.4), transparent);
}

.score-item { text-align: center; }

.score-item .label {
  font-family: var(--font-mono);
  font-size: 0.65em;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--qr-text-dim);
  font-weight: 500;
}

.score-item .value {
  font-family: var(--font-display);
  font-size: 1.6em;
  font-weight: 700;
  color: var(--qr-green-light);
  text-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
  line-height: 1.2;
}

/* ===== BUTTONS ===== */
.qr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-round);
  font-family: var(--font-display);
  font-size: 0.85em;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.4s var(--ease-out-expo);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.qr-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent 50%);
  z-index: -1;
}

.qr-btn:active { transform: scale(0.97); }

.qr-btn-primary {
  background: linear-gradient(135deg, var(--qr-green), var(--qr-green-light));
  color: var(--qr-purple-darkest);
  box-shadow: var(--qr-glow-green);
}
.qr-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(34, 197, 94, 0.6), 0 10px 40px rgba(34, 197, 94, 0.2);
}

.qr-btn-secondary {
  background: linear-gradient(135deg, var(--qr-purple-mid), var(--qr-purple-light));
  color: var(--qr-white);
  box-shadow: var(--qr-glow-purple);
}
.qr-btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.6), 0 10px 40px rgba(124, 58, 237, 0.2);
}

.qr-btn-orange {
  background: linear-gradient(135deg, var(--qr-orange), var(--qr-orange-light));
  color: var(--qr-white);
  box-shadow: var(--qr-glow-orange);
}
.qr-btn-orange:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(249, 115, 22, 0.6), 0 10px 40px rgba(249, 115, 22, 0.2);
}

.qr-btn-ghost {
  background: transparent;
  border: 1px solid rgba(168, 85, 247, 0.4);
  color: var(--qr-purple-light);
}
.qr-btn-ghost:hover {
  background: rgba(124, 58, 237, 0.15);
  border-color: var(--qr-purple-mid);
  transform: translateY(-2px);
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin: var(--space-lg) 0;
}

/* ===== LEADERBOARD ===== */
.leaderboard-panel {
  background: linear-gradient(180deg, rgba(26, 10, 46, 0.9), rgba(13, 2, 33, 0.95));
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  position: relative;
}

.leaderboard-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(250, 204, 21, 0.5), transparent);
}

.leaderboard-panel h2 {
  text-align: center;
  font-family: var(--font-display);
  color: var(--qr-yellow);
  margin-bottom: var(--space-lg);
  font-size: 1.2em;
  font-weight: 700;
  letter-spacing: 2px;
  text-shadow: 0 0 30px rgba(250, 204, 21, 0.3);
}

.leaderboard-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.leaderboard-tab {
  padding: 8px 18px;
  border: 1px solid rgba(124, 58, 237, 0.3);
  background: transparent;
  color: var(--qr-text-dim);
  border-radius: var(--radius-round);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75em;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all 0.3s var(--ease-out-expo);
}

.leaderboard-tab:hover {
  border-color: var(--qr-purple-mid);
  color: var(--qr-text);
}

.leaderboard-tab.active {
  background: linear-gradient(135deg, var(--qr-purple-mid), var(--qr-purple));
  color: var(--qr-white);
  border-color: transparent;
  box-shadow: var(--qr-glow-purple);
}

.leaderboard-table { width: 100%; border-collapse: collapse; }

.leaderboard-table th {
  text-align: left;
  padding: 10px 14px;
  font-family: var(--font-mono);
  color: var(--qr-text-dim);
  font-size: 0.7em;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-bottom: 1px solid rgba(107, 33, 168, 0.4);
}

.leaderboard-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(107, 33, 168, 0.15);
  font-family: var(--font-body);
  font-size: 0.9em;
  transition: background 0.2s;
}

.leaderboard-table tr:hover td { background: rgba(107, 33, 168, 0.15); }
.leaderboard-table .rank-1 td { color: var(--qr-yellow); font-weight: 600; }
.leaderboard-table .rank-2 td { color: #D1D5DB; font-weight: 600; }
.leaderboard-table .rank-3 td { color: #D97706; font-weight: 600; }

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8em;
}
.rank-1 .rank-badge { background: linear-gradient(135deg, #FACC15, #F59E0B); color: #000; box-shadow: 0 0 15px rgba(250, 204, 21, 0.4); }
.rank-2 .rank-badge { background: linear-gradient(135deg, #D1D5DB, #9CA3AF); color: #000; }
.rank-3 .rank-badge { background: linear-gradient(135deg, #D97706, #B45309); color: #fff; }

/* ===== LOGIN PROMPT ===== */
.login-prompt {
  text-align: center;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(250, 204, 21, 0.05));
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
}
.login-prompt p { margin-bottom: var(--space-md); color: var(--qr-orange-light); }

/* ===== INSTRUCTIONS ===== */
.instructions {
  background: linear-gradient(135deg, rgba(26, 10, 46, 0.6), rgba(13, 2, 33, 0.8));
  border: 1px solid rgba(107, 33, 168, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-lg);
}

.instructions h3 {
  font-family: var(--font-display);
  color: var(--qr-green-light);
  margin-bottom: var(--space-md);
  font-size: 0.9em;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.instructions p, .instructions li {
  font-size: 0.9em;
  line-height: 1.8;
  color: var(--qr-text);
}

.instructions ul { list-style: none; padding: 0; }
.instructions li { padding: 2px 0; }
.instructions li::before { content: '\25B8  '; color: var(--qr-green); }

/* ===== GAME OVER OVERLAY ===== */
.game-over-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, rgba(13, 2, 33, 0.95), rgba(13, 2, 33, 0.98));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
  border-radius: var(--radius-lg);
  animation: overlayIn 0.5s var(--ease-out-expo);
}

.game-over-overlay h2 {
  font-family: var(--font-display);
  font-size: 2.5em;
  font-weight: 900;
  color: var(--qr-yellow);
  text-shadow: 0 0 40px rgba(250, 204, 21, 0.5), 0 4px 0 rgba(0,0,0,0.3);
  margin-bottom: var(--space-md);
  letter-spacing: 3px;
}

.game-over-overlay .final-score {
  font-family: var(--font-display);
  font-size: 1.6em;
  color: var(--qr-green-light);
  margin-bottom: var(--space-xl);
  text-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
}

/* ===== MODAL ===== */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(13, 2, 33, 0.9);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: overlayIn 0.3s var(--ease-out-expo);
}

.modal {
  background: linear-gradient(180deg, rgba(45, 16, 84, 0.98), rgba(26, 10, 46, 0.98));
  border: 1px solid rgba(124, 58, 237, 0.4);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 440px;
  width: 90%;
  text-align: center;
  box-shadow: 0 0 80px rgba(124, 58, 237, 0.2);
  animation: modalIn 0.4s var(--ease-spring);
}

/* ===== BACK LINK ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  color: var(--qr-text-dim);
  text-decoration: none;
  font-size: 0.8em;
  letter-spacing: 1px;
  margin-bottom: var(--space-lg);
  transition: all 0.3s var(--ease-out-expo);
  text-transform: uppercase;
}
.back-link:hover { color: var(--qr-green-light); transform: translateX(-3px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .game-wrapper { padding: var(--space-md); }
  .game-header h1 { font-size: 1.6em; }
  .score-bar { padding: var(--space-sm) var(--space-md); gap: var(--space-sm); }
  .score-item .value { font-size: 1.3em; }
  .score-item .label { font-size: 0.6em; }
  .qr-btn { padding: 12px 24px; font-size: 0.8em; }
  .game-area { padding: var(--space-md); }
}

@media (max-width: 480px) {
  .game-header h1 { font-size: 1.3em; }
  .score-bar { flex-direction: row; justify-content: space-around; }
  .qr-btn { padding: 10px 20px; font-size: 0.75em; letter-spacing: 1px; }
}

/* ===== ANIMATIONS ===== */
@keyframes overlayIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(34, 197, 94, 0.2); }
  50% { box-shadow: 0 0 40px rgba(34, 197, 94, 0.5), 0 0 80px rgba(34, 197, 94, 0.1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-3px); }
  20%, 40%, 60%, 80% { transform: translateX(3px); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes glowPulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse { animation: pulse-glow 2s ease-in-out infinite; }
.animate-fadeIn { animation: fadeIn 0.6s var(--ease-out-expo) both; }
.animate-fadeInUp { animation: fadeInUp 0.8s var(--ease-out-expo) both; }

/* Stagger delays for children */
.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(9) { animation-delay: 0.45s; }
.stagger-children > *:nth-child(10) { animation-delay: 0.5s; }

/* ===== SELECTION ===== */
::selection { background: var(--qr-purple-mid); color: var(--qr-white); }

/* ===== FOCUS ===== */
:focus-visible {
  outline: 2px solid var(--qr-green);
  outline-offset: 2px;
}