/**
 * Hunt the Wumpus - Modern Game UI Design
 * Dark theme optimized for gaming with high contrast and clear hierarchy
 */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #141922;
  --bg-tertiary: #1c2331;
  --surface: #242d3f;
  --surface-elevated: #2d3749;
  --border: #3a4556;
  --border-accent: #4a5568;

  --text-primary: #e8edf5;
  --text-secondary: #9ba5b8;
  --text-tertiary: #6b7589;

  --accent-primary: #5b9eff;
  --accent-hover: #7db3ff;
  --accent-active: #3d82ff;

  --danger: #ef4444;
  --danger-hover: #f87171;
  --danger-bg: rgba(239, 68, 68, 0.1);

  --success: #10b981;
  --success-hover: #34d399;
  --success-bg: rgba(16, 185, 129, 0.1);

  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);

  --player: #5b9eff;
  --wumpus: #ef4444;
  --pit: #f59e0b;
  --bat: #a855f7;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(91, 158, 255, 0.3);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) clamp(var(--spacing-md), 4vw, var(--spacing-xl)) var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--border);
}

.control-hub {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
}

.control-module {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  transition: border-color var(--transition-fast);
}

.control-module:hover {
  border-color: var(--border-accent);
}

.module-label {
  margin: 0;
  text-transform: uppercase;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
}

.stats-module {
  flex-direction: row;
  gap: var(--spacing-sm);
}

.stat-chip {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.stat-chip:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-accent);
}

.stat-chip span {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.stat-chip strong {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.dispatch-glance {
  margin: 0;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.dispatch-glance.important {
  color: var(--accent-primary);
  font-weight: 600;
}

@media (min-width: 720px) {
  .shot-module {
    grid-column: span 2;
  }
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-tertiary);
  margin: 0 0 var(--spacing-xs) 0;
}

button {
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  transition: all var(--transition-fast);
  position: relative;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

button:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.ghost {
  background: var(--surface-elevated);
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
}

.ghost:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--border-accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
}

.ghost:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.game-panel {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
  gap: var(--spacing-xl);
}

.board {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: clamp(var(--spacing-lg), 2vw, var(--spacing-xl));
  position: relative;
}

.cave {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 35% 35%, rgba(28, 35, 49, 1), rgba(10, 14, 23, 1));
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6);
}

#cave-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  stroke: rgba(91, 158, 255, 0.15);
  stroke-width: 1.5;
  fill: none;
}

#rooms-layer {
  position: absolute;
  inset: 0;
}

.room-node {
  position: absolute;
  width: clamp(48px, 8vw, 72px);
  height: clamp(48px, 8vw, 72px);
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--surface-elevated);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-weight: 700;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.room-node:hover {
  border-color: var(--border-accent);
  background: var(--bg-tertiary);
  transform: scale(1.05);
}

.room-node:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

.room-node .label {
  font-size: 1rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.room-node .hint-icons {
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  line-height: 1;
}

.room-node.player {
  background: var(--player);
  border-color: var(--player);
  color: white;
  box-shadow: var(--shadow-glow), var(--shadow-md);
  transform: scale(1.1);
}

.room-node.player:hover {
  transform: scale(1.1);
}

.room-node.move-option {
  border-color: var(--accent-primary);
  background: rgba(91, 158, 255, 0.15);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(91, 158, 255, 0.4), var(--shadow-md);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(91, 158, 255, 0), var(--shadow-md);
  }
}

.room-node.move-option:hover {
  background: rgba(91, 158, 255, 0.25);
}

.room-node.aim-step {
  border: 2px dashed var(--accent-primary);
  border-color: var(--accent-primary);
  background: rgba(91, 158, 255, 0.1);
}

.room-node.aim-step::after {
  content: attr(data-step);
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 var(--spacing-xs);
  border-radius: 999px;
  background: var(--accent-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  border: 2px solid var(--bg-primary);
}

.room-node.revealed.wumpus {
  border: 2px solid var(--wumpus);
  background: var(--danger-bg);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.3), var(--shadow-md);
}

.room-node.revealed.pit {
  border: 2px solid var(--pit);
  background: var(--warning-bg);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.3), var(--shadow-md);
}

.room-node.revealed.bats {
  border: 2px solid var(--bat);
  background: rgba(168, 85, 247, 0.1);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.3), var(--shadow-md);
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.status-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.status-card h2 {
  margin: 0 0 var(--spacing-md) 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

dl {
  display: grid;
  grid-template-columns: auto auto;
  gap: var(--spacing-sm) var(--spacing-md);
  margin: 0;
}

dl dt {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  font-weight: 500;
}

dl dd {
  margin: 0;
  font-weight: 600;
  color: var(--text-primary);
}

.mode-toggle {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.chip {
  flex: 1;
  background: transparent;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 0.875rem;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.chip:hover:not(.active) {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.chip.active {
  background: var(--accent-primary);
  color: white;
  box-shadow: var(--shadow-sm);
  border-color: var(--accent-primary);
}

.hint {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.shot-builder {
  margin: 0;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.shot-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 var(--spacing-sm);
  color: var(--text-tertiary);
}

.shot-display {
  margin: 0 0 var(--spacing-md);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
  min-height: 1.5rem;
}

.shot-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.ghost.primary {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.ghost.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 6px 16px rgba(91, 158, 255, 0.4);
}

.ghost.primary:active:not(:disabled) {
  background: var(--accent-active);
  border-color: var(--accent-active);
}

.ghost.secondary {
  background: var(--bg-tertiary);
  border-color: var(--border);
}

.log ul,
.log li {
  list-style: none;
  padding: 0;
  margin: 0;
}

#log {
  max-height: 320px;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  padding-right: var(--spacing-xs);
}

#log::-webkit-scrollbar {
  width: 6px;
}

#log::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 3px;
}

#log::-webkit-scrollbar-thumb {
  background: var(--border-accent);
  border-radius: 3px;
}

#log::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

#log li {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  line-height: 1.5;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

#log li:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-accent);
}

#log li.important {
  border-left: 3px solid var(--accent-primary);
  background: rgba(91, 158, 255, 0.05);
  color: var(--text-primary);
  font-weight: 600;
}

.info-card {
  background: var(--surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.info-card h2 {
  margin: 0 0 var(--spacing-md) 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.info-card p {
  margin: 0;
  line-height: 1.6;
  color: var(--text-secondary);
}

.info-card strong {
  color: var(--text-primary);
  font-weight: 600;
}

@media (max-width: 900px) {
  .game-panel {
    grid-template-columns: 1fr;
  }

  .board {
    padding: var(--spacing-md);
  }

  .side-panel {
    order: 2;
  }
}

@media (max-width: 600px) {
  .app-shell {
    padding: var(--spacing-md);
    gap: var(--spacing-lg);
  }

  header {
    padding-bottom: var(--spacing-sm);
  }

  h1 {
    font-size: 1.75rem;
  }

  .control-hub {
    grid-template-columns: 1fr;
  }

  .stats-module {
    flex-direction: row;
  }

  .status-card {
    padding: var(--spacing-md);
  }

  .room-node {
    width: 48px;
    height: 48px;
  }

  .room-node .label {
    font-size: 0.875rem;
  }

  .room-node .hint-icons {
    font-size: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}