:root {
  --bg-color: #1A1005;
  --primary: #F39C12;
  --secondary: #D35400;
  --accent: #3498DB;
  --text-light: #F8F9FA;
  --text-muted: #ADB5BD;
  --danger: #E74C3C;
  --success: #2ECC71;
  --warning: #F1C40F;
  
  --glass-bg: rgba(26, 16, 5, 0.6);
  --glass-border: rgba(243, 156, 18, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-light);
  overflow: hidden; /* Prevent scrolling, matter.js handles canvas */
}

/* Background gradient styling for depth */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, transparent 0%, var(--bg-color) 100%);
  pointer-events: none;
  z-index: -1;
}

#game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

#canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Glassmorphism Panels */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 12px;
  z-index: 10;
}

/* Header */
header {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

.header-left h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  border: none;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(211, 84, 0, 0.4);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(211, 84, 0, 0.6);
  filter: brightness(1.1);
}

.primary-btn:active {
  transform: translateY(0);
}

/* Stats Panel */
.stats-panel {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 2rem;
  padding: 1rem 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 120px;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--success);
  width: 100%;
  transition: width 0.3s ease, background 0.3s ease;
}

/* Tooltip */
.tooltip {
  position: absolute;
  padding: 1rem;
  width: 200px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
}

.tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.tooltip h3 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  word-break: break-all;
}

.tooltip p {
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tooltip .tt-desc {
  margin-top: 0.5rem;
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 0.5rem;
}

.risk-high { color: var(--danger); }
.risk-med { color: var(--warning); }
.risk-low { color: var(--success); }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal {
  width: 90%;
  max-width: 400px;
  padding: 2rem;
  text-align: center;
  transform: scale(1);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.hidden .modal {
  transform: scale(0.9);
}

.modal-header h2 {
  color: var(--danger);
  font-size: 2rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.modal-content p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.final-stats {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.final-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.final-stat .label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.final-stat .value {
  color: var(--primary);
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-footer {
  display: flex;
  justify-content: center;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
  
  .stats-panel {
    width: 90%;
    gap: 1rem;
    padding: 1rem;
    justify-content: space-between;
  }
  
  .stat-item {
    min-width: auto;
  }
  
  .stat-value {
    font-size: 1.2rem;
  }
}