:root {
  /* Main colors - based on original theme */
  --dark-square: #4a4a4a;
  --light-square: #e8c08c;
  --board-border: #505050;
  --highlight-color: rgba(255, 255, 0, 0.5);
  --arrow-color: rgba(255, 0, 0, 0.7);
  --move-highlight: #e8c08c;
  
  /* Expanded color palette */
  --bg-color: #222222;
  --panel-bg: #333333;
  --text-color: #eeeeee;
  --text-secondary: #cccccc;
  --text-dark: #333333;
  
  /* Button colors */
  --button-bg: #4a4a4a;
  --button-hover: #666666;
  --button-text: #ffffff;
  --button-primary: #e8c08c;
  --button-primary-hover: #d6b07c;
  --button-danger: #d9534f;
  --button-danger-hover: #c9302c;
  
  /* Form colors */
  --input-bg: #444444;
  --input-text: #ffffff;
  --border-color: #555555;
  
  /* UI components */
  --dropdown-bg: #3a3a3a;
  --dropdown-hover: #4a4a4a;
  --dropdown-selected: #5a5a5a;
  --card-bg: #2a2a2a;
  --card-border: #3a3a3a;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--space-md);
  font-weight: 600;
}

a {
  color: var(--button-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--button-primary-hover);
}

/* Button styles */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
  text-align: center;
  font-weight: 500;
}

.btn:hover {
  background-color: var(--button-hover);
}

.btn-primary {
  background-color: var(--button-primary);
  color: var(--text-dark);
}

.btn-primary:hover {
  background-color: var(--button-primary-hover);
}

.btn-danger {
  background-color: var(--button-danger);
}

.btn-danger:hover {
  background-color: var(--button-danger-hover);
}

.btn-light {
  background-color: var(--button-bg);
  color: var(--text-color);
}

.btn-light:hover {
  background-color: var(--button-hover);
}

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Form styles */
.form-group {
  margin-bottom: var(--space-md);
}

label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--input-bg);
  color: var(--input-text);
  font-size: 1rem;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--button-primary);
}

/* Alert box */
.alert-box {
  padding: var(--space-md);
  border-radius: 4px;
  margin-bottom: var(--space-md);
}

.alert-box.error {
  background-color: rgba(217, 83, 79, 0.2);
  border: 1px solid var(--button-danger);
  color: #f8d7da;
}

.alert-box.success {
  background-color: rgba(92, 184, 92, 0.2);
  border: 1px solid #5cb85c;
  color: #d4edda;
}

/* Modal styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background-color: var(--card-bg);
  padding: var(--space-xl);
  border-radius: 8px;
  width: 90%;
  max-width: 500px;
  position: relative;
}

.close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* Main Navigation */
.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-xl);
  background-color: var(--panel-bg);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo i {
  font-size: 1.5rem;
  color: var(--button-primary);
}

.logo h1 {
  font-size: 1.5rem;
  margin-bottom: 0;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: white;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
}

.nav-link:hover, .nav-link.active {
  color: #e8c08c;
}

/* Landing page styles */
.landing-page {
  min-height: 100vh;
  background-color: var(--bg-color);
}

.landing-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md);
}

.landing-container header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
}

.auth-buttons {
  display: flex;
  gap: var(--space-md);
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) 0;
  min-height: 60vh;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--button-primary);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  max-height: 400px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
}

.feature-card {
  background-color: var(--card-bg);
  padding: var(--space-lg);
  border-radius: 8px;
  text-align: center;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card i {
  font-size: 2.5rem;
  color: var(--button-primary);
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

footer {
  text-align: center;
  padding: var(--space-lg) 0;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  margin-top: var(--space-xl);
}

/* Auth pages */
.auth-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: var(--bg-color);
}

.auth-container {
  width: 100%;
  max-width: 400px;
  padding: var(--space-md);
}

.auth-card {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: var(--space-xl);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.auth-header .logo {
  justify-content: center;
  margin-bottom: var(--space-md);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-lg);
  color: var(--text-secondary);
}

/* Dashboard styles */
.dashboard-page {
  min-height: 100vh;
  background-color: var(--bg-color);
}

.dashboard-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
}

.welcome-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--panel-bg);
  padding: var(--space-lg);
  border-radius: 8px;
  margin-bottom: var(--space-lg);
}

.welcome-text h2 {
  margin-bottom: var(--space-xs);
}

.dashboard-actions {
  display: flex;
  gap: var(--space-md);
}

.dashboard-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
}

.stats-card {
  background-color: var(--card-bg);
  padding: var(--space-lg);
  border-radius: 8px;
  grid-column: 1 / 2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.stat-item {
  text-align: center;
  padding: var(--space-md);
  background-color: var(--panel-bg);
  border-radius: 4px;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: bold;
  color: var(--button-primary);
}

.stat-label {
  color: var(--text-secondary);
}

.active-games-container, .recent-games-container {
  background-color: var(--card-bg);
  padding: var(--space-lg);
  border-radius: 8px;
}

.active-games-container {
  grid-column: 2 / 3;
}

.recent-games-container {
  grid-column: 1 / 3;
  margin-top: var(--space-lg);
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.game-card {
  background-color: var(--panel-bg);
  border-radius: 4px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
}
.game-card.Won {
  border-left: 4px solid #2ecc71;
}

.game-card.Lost {
  border-left: 4px solid #e74c3c;
}
.game-card.Draw {
  border-left: 4px solid #777;
}


.game-card-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}





.game-result.Won {
  border-left: 4px solid #2ecc71;
}

.game-result.Lost {
  border-left: 4px solid #e74c3c;
}





.opponent-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.game-status-badge {
  font-size: 0.8rem;
  padding: 2px 8px;
  border-radius: 12px;
  background-color: var(--button-bg);
}

.game-status-badge.active {
  background-color: #5cb85c;
}

.game-status-badge.completed {
  background-color: var(--button-primary);
  color: var(--text-dark);
}

.game-card-actions {
  margin-top: auto;
  padding-top: var(--space-md);
}

.no-games-message {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-lg);
  color: var(--text-secondary);
}

/* Color options for new game */
.color-options {
  display: flex;
  gap: var(--space-md);
}

.color-option {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
}

.color-option input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.color-box {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.white-box {
  background-color: #fff;
}

.black-box {
  background-color: #000;
}

.random-box {
  background: linear-gradient(135deg, #fff 0%, #fff 49%, #000 51%, #000 100%);
}

.color-option input:checked + .color-box {
  border: 2px solid var(--button-primary);
}

/* Game page styles */
.game-page {
  min-height: 100vh;
  background-color: var(--bg-color);
}

.game-container {
  display: grid;
  grid-template-areas:
    "header header header"
    "controls board details"
    "chat chat chat";
  grid-template-columns: 250px 1fr 250px;
  grid-template-rows: auto 1fr auto;
  gap: var(--space-md);
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md);
  height: calc(100vh - 70px);
}
.game-controls {
  grid-area: controls;
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.game-sidebar {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  height: calc(100vh - 135px);
}

.game-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.player-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--panel-bg);
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar i {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.player-details h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

.game-status-container {
  padding: var(--space-md);
  background-color: var(--panel-bg);
  border-radius: 4px;
  text-align: center;
  margin: var(--space-md) 0;
}

.check-indicator {
  color: #dc3545;
  font-weight: bold;
  margin-top: var(--space-xs);
}

.move-history-container {
  flex-grow: 1;
  overflow-y: auto;
  background-color: var(--panel-bg);
  border-radius: 4px;
  padding: var(--space-md);
  margin: var(--space-md) 0;
}

.moves-list {
  font-family: monospace;
  line-height: 1.8;
}

.game-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.game-result {
  background-color: var(--panel-bg);
  border-radius: 4px;
  padding: var(--space-md);
  text-align: center;
}

.result-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.main-board-area {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.board-container {
  width: 560px;
  height: 560px;
  position: relative;
}

.board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  width: 560px;
  height: 560px;
  border: 5px solid var(--board-border);
  box-sizing: content-box;
}

.promotion-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.promotion-pieces {
  display: flex;
  background-color: var(--card-bg);
  padding: var(--space-md);
  border-radius: 8px;
}

.promotion-piece {
  width: 70px;
  height: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.promotion-piece:hover {
  background-color: var(--highlight-color);
}

.game-details {
  grid-area: details;
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Bottom chat area */
.game-chat {
  grid-area: chat;
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  height: 200px;
  margin-top: var(--space-md);
}
.chat-messages {
  flex-grow: 1;
  overflow-y: auto;
  background-color: var(--panel-bg);
  border-radius: 4px;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.chat-input {
  display: flex;
  gap: var(--space-sm);
}

.chat-input input {
  flex-grow: 1;
}

/* Game code sharing */
.game-code, .game-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: var(--panel-bg);
  padding: var(--space-sm);
  border-radius: 4px;
  margin: var(--space-md) 0;
}

.game-code span {
  font-family: monospace;
  font-size: 1.2rem;
  letter-spacing: 2px;
  flex-grow: 1;
  text-align: center;
}

.game-link input {
  flex-grow: 1;
  border: none;
  background: transparent;
  font-family: monospace;
}

/* Chess board styles */
.square {
  width: 70px;
  height: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.square img {
  width: 90%;
  height: 90%;
  cursor: pointer;
  z-index: 2;
  transition: transform 0.2s ease;
}

.square img:hover {
  transform: scale(1.05);
}

.dark {
  background-color: var(--dark-square);
}

.light {
  background-color: var(--light-square);
}

.highlighted {
  background-color: var(--highlight-color);
}

.piece {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  transform-origin: center;
}

.animating {
  opacity: 0;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}

.possible-move {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  z-index: 1;
  pointer-events: none;
}

.possible-capture {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 0;
  border: 4px solid rgba(255, 0, 0, 0.3);
  box-sizing: border-box;
  z-index: 1;
  pointer-events: none;
}

.check-indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 0, 0, 0.3);
  z-index: 1;
  pointer-events: none;
}

/* Move list styling */
.move {
  display: inline-block;
  margin: 0 4px;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
}

.move:hover {
  background-color: var(--button-hover);
}

.active-move {
  background-color: var(--button-primary);
  color: var(--text-dark);
  font-weight: bold;
}

.move-number {
  font-weight: bold;
  margin-right: 2px;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .game-container {
    grid-template-columns: 250px 1fr 250px;
  }
  
  .board-container, .board {
    width: 480px;
    height: 480px;
  }
  
  .square {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 992px) {
  .game-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  
  .game-sidebar, .game-chat {
    height: auto;
  }
  
  .move-history-container, .chat-messages {
    max-height: 200px;
  }
  
  .board-container, .board {
    width: 400px;
    height: 400px;
    margin: 0 auto;
  }
  .board-header {
  grid-area: header;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}
  .square {
    width: 50px;
    height: 50px;
  }

  .dashboard-content {
    grid-template-columns: 1fr;
  }
  
  .active-games-container {
    grid-column: 1 / 2;
  }
  
  .hero {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-content {
    order: 2;
  }
  
  .hero-image {
    order: 1;
    margin-bottom: var(--space-lg);
  }
}

@media (max-width: 576px) {
  .board-container, .board {
    width: 320px;
    height: 320px;
  }
  
  .square {
    width: 40px;
    height: 40px;
  }
  
  .welcome-banner {
    flex-direction: column;
    text-align: center;
  }
  
  .dashboard-actions {
    margin-top: var(--space-md);
  }
}
/* Add to styles.css */
.game-result {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: var(--space-md);
    margin-top: var(--space-md);
    text-align: center;
    border-left: 4px solid #777;
    animation: fadeIn 0.5s ease-in-out;
}

.game-result.win {
    border-left-color: #2ecc71;
}

.game-result.loss {
    border-left-color: #e74c3c;
}

.game-result.draw {
    border-left-color: #777;
}

#result-message {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: var(--space-md);
}

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

/* Style for the rematch button */
#rematch-btn {
    background-color: var(--button-primary);
    color: var(--text-dark);
    font-weight: bold;
}

#rematch-btn:hover {
    background-color: var(--button-primary-hover);
}