:root {
  --primary: #66c2ff;
  --primary-dark: #0077cc;
  --secondary: #cbd1e1;
  --tertiary: #e5e9f2;
  --bg: #f1f3f9;
  --dark: #1e253b;
  --success: #4caf50;
  --warning: #ff9800;
  --info: #2196f3;
}

html {
  box-sizing: border-box;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  margin: 0 auto;
  padding: 1rem;
  background-color: var(--bg);
  color: var(--dark);
  line-height: 1.6;
  text-wrap: balance;
}

h1 {
  margin: 1.5rem auto;
  color: var(--dark);
}

h2, h3 {
  margin: 1rem 0;
  color: var(--dark);
  text-align: center;
}

label {
  text-align: left;
  font-weight: bold;
}

nav {
  margin-bottom: 1.5rem;
}

/* Game Canvas Styles */

.container {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border: 2px solid var(--secondary);
  border-radius: 1px;
  background: white;
  box-shadow: 2px 4px 0px 0px var(--tertiary);
  text-align: center;
}

.canvas-container {
  position: relative;
  padding: 1rem;
  display: inline-block;
  margin-bottom: 1rem;
  width: calc(804px + 2rem); /* 800px canvas + 2px border */
  max-width: 100%;
}

.status {
  background-color: #eee;
  border-color: var(--primary);
}

#gameCanvas {
  display: block;
  background: linear-gradient(
    to bottom,
    #87ceeb 0%,
    #87ceeb 75%,
    #deb887 75%,
    #deb887 100%
  );
  cursor: pointer;
}

.game-ui {
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
}

.btn {
  padding: 0.3rem 1rem;
  border: 2px solid var(--secondary);
  border-radius: 3px;
  background: white;
  box-shadow: 2px 4px 0px 0px rgba(0, 0, 0, 0.2);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn:hover {
  transform: translate(2px, 4px);
  box-shadow: 0px 1px 0px 0px rgba(0, 0, 0, 0.2);
}

/* Button Variants */
.btn-primary {
  background: var(--primary);
  border-color: var(--primary-dark);
  font-weight: bold;
  color: var(--dark);
}

.btn-secondary {
  background: var(--secondary);
  border-color: var(--dark);
  color: var(--dark);
}

/* Button Display Types */
.btn-block {
  display: block;
  width: max-content;
  margin: 1rem auto 0.5rem;
}

.score, .high-score {
  padding: 0.3rem 1rem;
  border: 2px solid var(--secondary);
  border-radius: 1px;
  background: white;
  box-shadow: 2px 4px 0px 0px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.score {
  min-width: 120px;
  text-align: left;
}

.control-grid {
  display: grid;
  justify-content: center;
  place-items: center;
  gap: 1rem;
  grid-template-columns: repeat(3, 100px);
  margin: 1rem auto;
}

kbd {
  background: #f0f0f0;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  width: max-content;
}

.click {
  padding: 3px 0px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.feature-item {
  padding: 1rem;
  border: 1px solid var(--secondary);
  text-align: center;
}

.feature-item strong {
  font-family: var(--font-serif);
  display: block;
  margin-bottom: 1rem;
}

.feature-item p {
  margin: 0;
  font-size: 0.9rem;
  color: #666;
}

p.icon {
  font-size: 3rem;
}

/* Responsive Design */
@media (max-width: 860px) {
  #gameCanvas {
    width: 100%;
    max-width: 800px;
    height: auto;
  }

  .canvas-container {
    width: 100%;
    box-sizing: border-box;
  }

  .control-grid {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 600px) {
  body {
    padding: 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}

/* Stage 4: Database & Customization CSS */

.leaderboard-list {
  padding: 0;
  border: 1px solid var(--secondary);
}

.leaderboard-entry {
  display: flex;
  padding: 0.5rem 1.5rem;
  justify-content: space-between;
  border-bottom: 1px solid var(--secondary);
}

.leaderboard-entry:last-child {
  border-bottom: none;
}

.leaderboard-rank {
  font-weight: bold;
  color: var(--dark);
  width: 30px;
}

.leaderboard-rank.gold {
  color: #ffd700;
}

.leaderboard-rank.silver {
  color: #c0c0c0;
}

.leaderboard-rank.bronze {
  color: #cd7f32;
}

.leaderboard-name {
  flex-grow: 1;
  margin-left: 15px;
  font-weight: 500;
}

.leaderboard-score {
  font-weight: bold;
  color: var(--primary-dark);
}

.avatar {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--secondary);
  color: var(--dark);
  text-align: center;
  line-height: 40px;
  font-weight: bold;
}

.loading {
  text-align: center;
  padding: 20px;
  color: var(--dark);
  font-style: italic;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal.show {
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  border: 2px solid var(--secondary);
  border-radius: 1px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 4px 8px 0px 0px var(--tertiary);
  animation: slideIn 0.3s ease;
}

.modal-content h3 {
  color: var(--dark);
  margin-bottom: 1rem;
  text-align: center;
}

.modal-content p {
  color: var(--dark);
  margin-bottom: 1rem;
  text-align: center;
}

/* Player Name Input */
#playerNameInput {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--secondary);
  border-radius: 1px;
  font-size: 1rem;
  margin-bottom: 1rem;
  box-sizing: border-box;
}

#playerNameInput:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 194, 255, 0.1);
}

/* Modal Buttons */
.modal-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Customization Options */
.customization-options {
  margin-bottom: 1.5rem;
}

.option-group {
  margin-bottom: 1rem;
}

.option-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--dark);
}

.option-group input[type="color"] {
  width: 100%;
  height: 50px;
  border: 2px solid var(--secondary);
  border-radius: 1px;
  cursor: pointer;
}

.option-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--secondary);
  border-radius: 1px;
  font-size: 1rem;
  background: white;
  cursor: pointer;
}

.option-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin-right: 10px;
  transform: scale(1.2);
}

/* Player Info */
.player-info {
  text-align: center;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--secondary);
  border-radius: 1px;
  background: white;
  box-shadow: 2px 4px 0px 0px var(--tertiary);
}

.player-name {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

#playerNameDisplay {
  font-weight: bold;
  color: var(--dark);
}

/* Enhanced Customization Section */
.customization-section {
  text-align: center;
}

.customization-section h3 {
  color: var(--dark);
  margin-bottom: 1rem;
}

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

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

@media (max-width: 768px) {
  .modal-content {
    padding: 1rem;
    margin: 10px;
  }

  .modal-buttons {
    flex-direction: column;
  }

  .leaderboard-item {
    padding: 10px;
    font-size: 0.9rem;
  }

  .game-controls {
    grid-template-columns: 1fr;
  }

  .option-group input[type="color"] {
    height: 40px;
  }
}

/* Leaderboard grid */

.leaderboard-grid {
  display: grid;
  grid-template-columns: repeat(5, auto);
  gap: 1rem;
  margin-top: 1rem;
}

.player {
  font-weight: bold;
}

.tl {
  text-align: left;
}

.deploy-button {
  position: fixed;
  top: 1rem;
  right: 1rem;
}