/* EduWonderLab Universal Publisher Arcade Enhancements Styles */
/* Enhanced by Google Design & Innovation Team Standards (Material 3, Spring Motion, Socratic Coach) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
  --ewl-font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ewl-font-heading: 'Outfit', 'Inter', system-ui, sans-serif;
  
  --ewl-primary: #12a596;
  --ewl-primary-hover: #0f8f82;
  --ewl-primary-glow: rgba(18, 165, 150, 0.45);
  --ewl-accent-gold: #f59e0b;
  --ewl-accent-gold-glow: rgba(245, 158, 11, 0.5);
  --ewl-accent-blue: #38bdf8;
  --ewl-accent-purple: #a855f7;
  
  --ewl-dark-bg: #0b1f2c;
  --ewl-dark-surface: #102e40;
  --ewl-glass-bg: rgba(15, 43, 60, 0.92);
  --ewl-glass-border: rgba(127, 214, 200, 0.3);
  --ewl-text-main: #f8fafc;
  --ewl-text-muted: #94a3b8;
}

body {
  font-family: var(--ewl-font-sans);
  background-color: var(--ewl-dark-bg);
  background-image: 
    radial-gradient(at 10% 10%, rgba(18, 165, 150, 0.15) 0px, transparent 50%),
    radial-gradient(at 90% 90%, rgba(56, 189, 248, 0.12) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(245, 158, 11, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

h1, h2, h3, h4, .ewl-arcade-title-group, .ewl-mastery-title, .nums, .vterm, .result-stat b, .bubble, .pair-chip, .prime-btn, .slabel, .sval, .vault-title {
  font-family: var(--ewl-font-heading);
}

/* Publisher Arcade Top Header Bar */
.ewl-arcade-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--ewl-glass-bg);
  border: 1px solid var(--ewl-glass-border);
  border-radius: 20px;
  padding: 12px 22px;
  margin: 12px auto 24px auto;
  max-width: 1100px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  color: var(--ewl-text-main);
  position: relative;
  z-index: 100;
}

.ewl-arcade-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ewl-back-hub-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #f1f5f9;
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.ewl-back-hub-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
  border-color: var(--ewl-primary);
  transform: translateX(-3px);
  box-shadow: 0 4px 14px var(--ewl-primary-glow);
}

.ewl-arcade-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.ewl-badge-l1 {
  background: rgba(18, 165, 150, 0.22);
  border: 1.5px solid var(--ewl-primary);
  color: #7fd6c8;
}

.ewl-badge-l2 {
  background: rgba(245, 158, 11, 0.22);
  border: 1.5px solid var(--ewl-accent-gold);
  color: #fde047;
}

.ewl-arcade-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ewl-btn-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ewl-btn-toggle:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: #7fd6c8;
  transform: translateY(-2px);
}

.ewl-btn-toggle.active {
  background: var(--ewl-primary);
  border-color: #7fd6c8;
  color: #06202c;
  box-shadow: 0 0 16px var(--ewl-primary-glow);
}

.ewl-sound-toggle-btn {
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ewl-sound-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
}

/* Google Socratic Math Coach Toast */
.google-socratic-coach {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: linear-gradient(135deg, rgba(16, 46, 64, 0.95) 0%, rgba(20, 55, 77, 0.95) 100%);
  border: 1.5px solid var(--ewl-accent-blue);
  border-radius: 18px;
  padding: 16px 20px;
  max-width: 360px;
  color: #f0f9ff;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 20px rgba(56, 189, 248, 0.25);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  z-index: 999;
  animation: googleFloatIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.google-coach-icon {
  font-size: 26px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px rgba(56, 189, 248, 0.5));
}

.google-coach-body h5 {
  font-family: var(--ewl-font-heading);
  font-size: 14px;
  font-weight: 800;
  color: var(--ewl-accent-blue);
  margin-bottom: 2px;
}

.google-coach-body p {
  font-size: 13px;
  line-height: 1.45;
  color: #e2e8f0;
}

/* Material 3 2-Column Grid Layout */
.play-layout-grid {
  display: grid !important;
  grid-template-columns: 1fr 360px !important;
  gap: 24px !important;
  align-items: start !important;
}

@media (max-width: 860px) {
  .play-layout-grid {
    grid-template-columns: 1fr !important;
  }
}

.side-panel-numbers, .side-panel-inputs {
  background: rgba(12, 37, 50, 0.65) !important;
  border: 1px solid rgba(127, 214, 200, 0.2) !important;
  border-radius: 18px !important;
  padding: 20px !important;
}

.vault-center-stage {
  background: linear-gradient(145deg, rgba(10, 31, 44, 0.9) 0%, rgba(15, 43, 60, 0.9) 100%) !important;
  border: 2px solid rgba(127, 214, 200, 0.35) !important;
  border-radius: 22px !important;
  padding: 30px 24px !important;
  text-align: center !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 300px !important;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), inset 0 0 24px rgba(0,0,0,0.5) !important;
  backdrop-filter: blur(12px) !important;
}

.vault-icon {
  font-size: 72px !important;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.6)) !important;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

.vault-title {
  font-size: 1.4rem !important;
  font-weight: 800 !important;
  color: #ffffff !important;
  margin-top: 12px !important;
}

.vault-subtitle {
  font-size: 0.92rem !important;
  color: var(--ewl-text-muted) !important;
  margin-top: 6px !important;
}

.ewl-open-vault-btn {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
  color: #ffffff !important;
  border: 2px solid #fde047 !important;
  font-size: 1.3rem !important;
  font-weight: 900 !important;
  padding: 18px 38px !important;
  border-radius: 20px !important;
  box-shadow: 0 0 32px rgba(245, 158, 11, 0.65), 0 8px 24px rgba(0,0,0,0.4) !important;
  animation: ewlPulse 1.5s infinite ease-in-out !important;
  cursor: pointer !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.ewl-open-vault-btn:hover {
  transform: scale(1.06) translateY(-3px) !important;
  box-shadow: 0 0 45px rgba(245, 158, 11, 0.85) !important;
}

.ewl-open-vault-btn:active {
  transform: scale(0.97) !important;
}

/* Publisher Card & Container Aesthetics */
.card {
  background: linear-gradient(145deg, rgba(15, 43, 60, 0.94) 0%, rgba(20, 55, 77, 0.94) 100%) !important;
  border: 1.5px solid rgba(127, 214, 200, 0.3) !important;
  border-radius: 22px !important;
  padding: 26px !important;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.15) !important;
  backdrop-filter: blur(14px) !important;
  -webkit-backdrop-filter: blur(14px) !important;
}

/* Button Upgrades */
.btn, button.btn {
  font-family: var(--ewl-font-heading), 'Inter', sans-serif !important;
  font-weight: 700 !important;
  letter-spacing: 0.3px !important;
  border-radius: 16px !important;
  padding: 13px 26px !important;
  box-shadow: 0 6px 18px rgba(18, 165, 150, 0.35) !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02) !important;
  box-shadow: 0 8px 24px rgba(18, 165, 150, 0.55) !important;
}

.btn:active {
  transform: scale(0.97) !important;
}

.btn.big {
  padding: 16px 34px !important;
  font-size: 1.15rem !important;
  border-radius: 18px !important;
}

.btn.keep, .btn.seal {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
  color: #ffffff !important;
  border: 1px solid #fde047 !important;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45) !important;
}

.btn.keep:hover, .btn.seal:hover {
  background: linear-gradient(135deg, #fbbf24 0%, #b45309 100%) !important;
}

/* Vocab Cards */
.vrow {
  background: rgba(12, 37, 50, 0.8) !important;
  border: 1px solid rgba(127, 214, 200, 0.25) !important;
  border-radius: 16px !important;
  padding: 18px !important;
  transition: transform 0.2s ease, border-color 0.2s ease !important;
}

.vrow:hover {
  border-color: var(--ewl-primary) !important;
  transform: translateX(5px) !important;
}

.vterm {
  color: #fde047 !important;
  font-family: var(--ewl-font-heading) !important;
  font-size: 1.1rem !important;
  font-weight: 800 !important;
}

/* Level Selection Cards */
.level-pick {
  background: rgba(15, 43, 60, 0.9) !important;
  border: 1.5px solid rgba(127, 214, 200, 0.3) !important;
  border-radius: 18px !important;
  padding: 22px !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.level-pick:hover {
  border-color: var(--ewl-primary) !important;
  background: rgba(20, 55, 77, 0.98) !important;
  transform: translateY(-4px) !important;
  box-shadow: 0 10px 28px rgba(18, 165, 150, 0.35) !important;
}

/* HUD & Status Pills */
.hud .pill {
  background: rgba(15, 43, 60, 0.95) !important;
  border: 1px solid rgba(127, 214, 200, 0.35) !important;
  border-radius: 22px !important;
  padding: 9px 20px !important;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25) !important;
  font-family: var(--ewl-font-heading) !important;
}

/* Factor Tree Bubbles & Math Visuals */
.bubble {
  font-family: var(--ewl-font-heading) !important;
  font-weight: 800 !important;
  border-radius: 18px !important;
  box-shadow: 0 8px 20px rgba(0,0,0,0.35) !important;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

.bubble.composite {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%) !important;
  color: #ffffff !important;
}

.bubble.prime {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
  color: #ffffff !important;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.6) !important;
}

/* Result Screen & Vault Stats */
.result-stars {
  font-size: 3.2rem !important;
  color: #fde047 !important;
  text-shadow: 0 0 24px rgba(245, 158, 11, 0.7) !important;
  margin: 18px 0 !important;
  animation: ewlPulse 2s infinite ease-in-out !important;
}

.result-stat {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  border-radius: 16px !important;
  padding: 16px 22px !important;
  margin: 12px auto !important;
  max-width: 440px !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  font-size: 1rem !important;
}

.result-stat b {
  font-family: var(--ewl-font-heading) !important;
  font-size: 1.3rem !important;
  color: #38bdf8 !important;
}

/* Publisher Mastery Modal */
.ewl-mastery-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 32, 44, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: ewlFadeIn 0.3s ease;
}

.ewl-mastery-card {
  background: linear-gradient(145deg, #0f2b3c 0%, #163e56 100%);
  border: 2px solid var(--ewl-primary);
  border-radius: 26px;
  padding: 36px 32px;
  max-width: 500px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), 0 0 40px var(--ewl-primary-glow);
  animation: ewlPopIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  color: #ffffff;
}

@keyframes ewlPopIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

.ewl-mastery-stars {
  font-size: 48px;
  margin: 14px 0;
  letter-spacing: 6px;
  animation: ewlPulse 1.5s infinite ease-in-out;
}

@keyframes ewlPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.ewl-mastery-title {
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

.ewl-mastery-subtitle {
  font-size: 14.5px;
  color: #94a3b8;
  margin-bottom: 26px;
}

.ewl-mastery-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.ewl-stat-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 16px 12px;
}

.ewl-stat-num {
  font-size: 24px;
  font-weight: 800;
  color: #7fd6c8;
}

.ewl-stat-lbl {
  font-size: 11.5px;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  margin-top: 3px;
}

.ewl-mastery-actions {
  display: flex;
  gap: 14px;
}

.ewl-mastery-btn {
  flex: 1;
  padding: 14px;
  border-radius: 14px;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.ewl-btn-primary {
  background: linear-gradient(135deg, #12a596 0%, #0b6f65 100%);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(18, 165, 150, 0.45);
}

.ewl-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(18, 165, 150, 0.65);
}

.ewl-btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.ewl-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-2px);
}

/* Floating Score Popup */
.ewl-floating-score {
  position: fixed;
  font-family: var(--ewl-font-heading);
  font-weight: 900;
  font-size: 24px;
  color: #fde047;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.6), 0 0 10px rgba(245, 158, 11, 0.85);
  pointer-events: none;
  z-index: 9999;
  animation: ewlFloatUp 0.8s ease-out forwards;
}

@keyframes ewlFloatUp {
  0% { opacity: 1; transform: translateY(0) scale(0.8); }
  50% { opacity: 1; transform: translateY(-36px) scale(1.25); }
  100% { opacity: 0; transform: translateY(-60px) scale(1); }
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .ewl-arcade-header-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 14px 16px;
    gap: 12px;
  }
  .ewl-arcade-controls {
    justify-content: space-between;
  }
  .google-socratic-coach {
    bottom: 12px;
    right: 12px;
    left: 12px;
    max-width: none;
  }
}