.demo-area {
    padding: 20px;
}

/* Demo Tabs */
.demo-tabs {
    width: 100%;
}

.demo-tab-header {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #dee2e6;
    margin-bottom: 20px;
}

.demo-tab-button {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    background: transparent;
    color: #6c757d;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.demo-tab-button:hover {
    color: #007bff;
    background: #f8f9fa;
}

.demo-tab-button.active {
    color: #007bff;
    border-bottom-color: #007bff;
}

.demo-tab-content {
    display: none;
}

.demo-tab-content.active {
    display: block;
}

.grid-container {
    max-width: 800px;
    margin: 0 auto;
}

.grid-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px 0;
}

.coordinate-display {
    margin-top: 15px;
    padding: 10px 20px;
    background: #f8f9fa;
    border: 2px solid #007bff;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    font-family: monospace;
    color: #007bff;
    display: none; /* Hidden by default, shown only in fog of war and competition modes */
}

.competition-instructions {
    margin: 0 auto 20px auto;
    max-width: 700px;
    padding: 20px;
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
}

.competition-instructions p {
    margin: 0 0 10px 0;
}

.competition-instructions p:last-child {
    margin-bottom: 0;
}

.competition-instructions ul {
    margin: 10px 0;
    padding-left: 25px;
}

.competition-instructions li {
    margin-bottom: 8px;
}

.instructions-content {
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    overflow: hidden;
}

.instructions-content.collapsed {
    max-height: 0;
    opacity: 0;
    margin: 0;
}

.instructions-toggle {
    text-align: right;
    margin-top: 10px;
}

.instructions-toggle a {
    color: #007bff;
    text-decoration: underline;
    font-size: 14px;
    cursor: pointer;
    transition: color 0.2s;
}

.instructions-toggle a:hover {
    color: #0056b3;
}

#gridCanvas {
    border: 2px solid #343a40;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.controls-panel {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.stats-display {
    display: flex;
    gap: 30px;
    justify-content: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.stat-label {
    font-size: 14px;
    color: #6c757d;
    font-weight: 600;
}

.stat-value {
    font-size: 24px;
    font-weight: bold;
    font-family: monospace;
    color: #007bff;
}

.direction-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.arrow-row {
    display: flex;
    gap: 8px;
}

.arrow-btn {
    width: 60px;
    height: 60px;
    font-size: 28px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.arrow-btn:hover {
    background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.arrow-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.reset-button {
    padding: 12px 40px;
    font-size: 16px;
    font-weight: 600;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.reset-button:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.reset-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.attempt-button {
    padding: 12px 40px;
    font-size: 16px;
    font-weight: 600;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.attempt-button:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.attempt-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Leaderboard Styles */
.leaderboard-panel {
    padding: 20px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0;
    width: 600px;
    max-width: 100%;
}

.panel-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    text-align: center;
    color: #333;
}

.leaderboard-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 14px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #e74c3c;
    transition: background-color 0.3s ease;
}

.status-indicator.connected {
    background: #27ae60;
}

.status-indicator.connecting {
    background: #f39c12;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.your-position {
    background: #e8f4fd;
    border: 1px solid #bee5eb;
    border-radius: 0;
    padding: 10px;
    margin-bottom: 12px;
    font-weight: 600;
    color: #0c5460;
    text-align: center;
    display: none;
}

.leaderboard-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 12px;
}

.leaderboard-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: 0;
    margin-bottom: 4px;
    background: white;
    border: 1px solid #e9ecef;
    font-size: 13px;
}

.leaderboard-entry.highlight {
    background: #fff3cd;
    border-color: #ffc107;
    font-weight: 600;
}

.leaderboard-rank {
    font-weight: 600;
    color: #495057;
    min-width: 30px;
}

.leaderboard-user {
    flex: 1;
    margin: 0 8px;
    color: #333;
}

.leaderboard-scores {
    text-align: right;
    font-size: 12px;
    color: #666;
}

.empty-leaderboard {
    text-align: center;
    color: #666;
    font-style: italic;
    padding: 20px;
}

.leaderboard-separator {
    text-align: center;
    color: #999;
    font-size: 18px;
    font-weight: bold;
    padding: 8px;
    margin: 4px 0;
}