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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #e8e8e8;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Main Container */
.main-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
#sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

#sidebar h3 {
    color: #ffd700;
    margin-bottom: 15px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Connection Status */
#connection-status {
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
}

#connection-status.connected {
    background: rgba(76, 175, 80, 0.3);
    color: #81c784;
}

#connection-status.disconnected {
    background: rgba(244, 67, 54, 0.3);
    color: #e57373;
}

#welcome-message {
    font-size: 13px;
    color: #aaa;
    margin-bottom: 15px;
}

/* Game Mode Toggle */
.game-mode-toggle {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.mode-button {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #aaa;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-button.active {
    background: #ffd700;
    color: #1a1a2e;
    font-weight: bold;
}

.mode-button:hover:not(.active) {
    background: rgba(255, 255, 255, 0.2);
}

/* Rules Info */
.rules-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.rules-info p {
    font-size: 12px;
    margin-bottom: 8px;
    color: #ccc;
}

.rules-info p:last-child {
    margin-bottom: 0;
}

.rules-info strong {
    color: #ffd700;
}

/* Buttons */
.sidebar-button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sidebar-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* Users List */
.users-section {
    border-bottom: none;
}

#users-list {
    max-height: 300px;
    overflow-y: auto;
}

.user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 8px;
}

.user-item.in-game {
    opacity: 0.5;
}

.user-name {
    font-size: 14px;
}

.challenge-btn {
    padding: 5px 10px;
    border: none;
    border-radius: 5px;
    background: #ffd700;
    color: #1a1a2e;
    font-size: 11px;
    font-weight: bold;
    cursor: pointer;
}

.challenge-btn:disabled {
    background: #555;
    cursor: not-allowed;
}

.no-users {
    color: #666;
    font-size: 13px;
    text-align: center;
    padding: 20px;
}

/* Main Content */
#main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

#game-container {
    text-align: center;
    max-width: 900px;
    width: 100%;
}

#game-container h1 {
    font-size: 48px;
    color: #ffd700;
    margin-bottom: 40px;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

/* Bridge Visualization */
#bridge-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.bridge-label {
    font-size: 12px;
    color: #666;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

#bridge {
    display: flex;
    gap: 15px;
}

.bridge-slot {
    width: 150px;
    height: 120px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.bridge-slot.finish {
    border-color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
}

.slot-label {
    font-size: 12px;
    color: #888;
    margin-bottom: 10px;
}

.player-markers {
    display: flex;
    gap: 15px;
}

.player-marker {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 18px;
    opacity: 0.3;
    transition: all 0.3s ease;
}

.player-marker.p1 {
    background: #4CAF50;
    color: white;
}

.player-marker.p2 {
    background: #f44336;
    color: white;
}

.player-marker.active {
    opacity: 1;
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Player Displays */
#players-display {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 30px;
}

.player-display {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    min-width: 220px;
}

.player-display.p1 {
    border: 2px solid #4CAF50;
}

.player-display.p2 {
    border: 2px solid #f44336;
}

.player-display.active {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.player-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 24px;
}

.player-display.p1 .player-avatar {
    background: #4CAF50;
    color: white;
}

.player-display.p2 .player-avatar {
    background: #f44336;
    color: white;
}

.player-info {
    text-align: left;
}

.player-name {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

.player-balance {
    display: block;
    font-size: 14px;
    color: #aaa;
}

.player-position {
    display: block;
    font-size: 14px;
    color: #aaa;
}

/* Status */
#status {
    font-size: 18px;
    margin-bottom: 20px;
    min-height: 30px;
}

#status.your-turn {
    color: #4CAF50;
    animation: pulse 1s infinite;
}

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

/* Bidding Controls */
#bidding-controls {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.bid-info {
    margin-bottom: 15px;
    font-size: 16px;
    color: #ffd700;
}

.bid-input-group {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.bid-input-group label {
    font-size: 16px;
}

#bid-input {
    width: 80px;
    padding: 10px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 18px;
    text-align: center;
}

#bid-input:focus {
    outline: none;
    border-color: #ffd700;
}

#submit-bid-button {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#submit-bid-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(76, 175, 80, 0.4);
}

#submit-bid-button:disabled {
    background: #555;
    cursor: not-allowed;
}

#bidding-status {
    margin-top: 15px;
    font-size: 14px;
    color: #888;
}

/* Bid Reveal Animation */
#bid-reveal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.reveal-content {
    background: rgba(30, 30, 50, 0.95);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
}

.reveal-content h3 {
    color: #ffd700;
    margin-bottom: 30px;
    font-size: 24px;
}

.reveal-bids {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

.reveal-bid {
    text-align: center;
}

.reveal-bid .bidder {
    display: block;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    line-height: 60px;
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 10px;
}

.reveal-bid.p1 .bidder {
    background: #4CAF50;
    color: white;
}

.reveal-bid.p2 .bidder {
    background: #f44336;
    color: white;
}

.reveal-bid .bid-value {
    font-size: 36px;
    font-weight: bold;
    color: #ffd700;
}

.reveal-result {
    font-size: 20px;
    color: #fff;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

/* Game Controls */
#game-controls {
    margin-top: 20px;
}

#resign-button, #rematch-button {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
    color: white;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0 10px;
}

#rematch-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

#resign-button:hover, #rematch-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* Game Log */
#game-log {
    margin-top: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    text-align: left;
}

#game-log h3 {
    color: #ffd700;
    margin-bottom: 15px;
    font-size: 14px;
    text-transform: uppercase;
}

#log-entries {
    max-height: 200px;
    overflow-y: auto;
}

.log-entry {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 13px;
}

.log-entry.win {
    border-left: 3px solid #4CAF50;
}

.log-entry.lose {
    border-left: 3px solid #f44336;
}

.log-entry.draw {
    border-left: 3px solid #ffd700;
}

/* Notifications */
#notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
}

.notification {
    background: rgba(30, 30, 50, 0.95);
    padding: 15px 25px;
    border-radius: 8px;
    margin-bottom: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

.notification.challenge {
    border: 2px solid #ffd700;
}

.notification.error {
    border: 2px solid #f44336;
}

.notification.success {
    border: 2px solid #4CAF50;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Challenge Buttons */
.challenge-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.accept-btn, .decline-btn {
    padding: 5px 15px;
    border: none;
    border-radius: 5px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
}

.accept-btn {
    background: #4CAF50;
    color: white;
}

.decline-btn {
    background: #f44336;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }

    #sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    #bridge {
        flex-wrap: wrap;
        justify-content: center;
    }

    .bridge-slot {
        width: 120px;
        height: 100px;
    }

    #players-display {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .player-display {
        min-width: 200px;
    }
}