* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary-gradient: linear-gradient(45deg, #1a1a2e, #16213e, #0f3460);
            --accent-gradient: linear-gradient(45deg, #00ff88, #00d4ff, #ff00ff);
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.1);
            --error-bg: rgba(255, 68, 68, 0.9);
            --success-bg: rgba(0, 255, 136, 0.9);
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #0a0a0a;
            color: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }
        
        /* Animated background */
        .background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--primary-gradient);
            z-index: -2;
            animation: gradient 15s ease infinite;
            background-size: 400% 400%;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        /* Floating particles */
        .particles {
            position: fixed;
            width: 100%;
            height: 100%;
            z-index: -1;
        }
        
        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            animation: float 20s infinite linear;
        }
        
        @keyframes float {
            from {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            to {
                transform: translateY(-100vh) rotate(360deg);
                opacity: 0;
            }
        }
        
        /* Navigation Menu - Modern Industrial Design */
        nav {
            position: fixed;
            top: 20px;
            left: 20px;
            right: 20px;
            background: rgba(10, 10, 10, 0.75);
            backdrop-filter: blur(40px) saturate(200%);
            -webkit-backdrop-filter: blur(40px) saturate(200%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            z-index: 1000;
            padding: 0;
            box-shadow: 
                0 10px 40px rgba(0, 0, 0, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }
        
        /* Scroll effect */
        nav.scrolled {
            top: 10px;
            background: rgba(10, 10, 10, 0.95);
            box-shadow: 
                0 10px 40px rgba(0, 0, 0, 0.6),
                0 0 60px rgba(0, 255, 136, 0.1);
        }
        
        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 32px;
            position: relative;
        }
        
        /* Enhanced Logo */
        .logo {
            font-size: 1.75em;
            font-weight: 900;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #00ff88, #00d4ff, #ff00ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            background-size: 200% 200%;
            animation: gradientShift 8s ease infinite;
            display: flex;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            user-select: none;
        }
        
        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }
        
        .logo img {
            height: 56px !important;
            width: 56px !important;
            filter: drop-shadow(0 2px 8px rgba(0, 255, 136, 0.3));
            animation: breathe 4s ease-in-out infinite;
            transition: all 0.3s ease;
        }
        
        @keyframes breathe {
            0%, 100% { transform: scale(1); opacity: 0.9; }
            50% { transform: scale(1.05); opacity: 1; }
        }
        
        .logo:hover {
            transform: scale(1.02);
        }
        
        .logo:hover img {
            filter: drop-shadow(0 4px 16px rgba(0, 255, 136, 0.5));
            transform: rotate(5deg);
        }
        
        .nav-menu {
            display: flex;
            gap: 8px;
            list-style: none;
            align-items: center;
        }
        
        /* Modern Compact Nav Items */
        .nav-item {
            cursor: pointer;
            padding: 12px;
            border-radius: 16px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border: 1px solid transparent;
            background: transparent;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9em;
            font-weight: 500;
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 48px;
            height: 48px;
        }
        
        /* Icon styling */
        .nav-item i {
            font-size: 1.3em;
            transition: all 0.3s ease;
        }
        
        /* Hide text by default, show on hover */
        .nav-item span {
            position: absolute;
            opacity: 0;
            transform: translateX(-10px);
            transition: all 0.3s ease;
            white-space: nowrap;
            pointer-events: none;
            padding-left: 8px;
        }
        
        /* Hover state shows text */
        .nav-item:hover {
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.1);
            color: #00ff88;
            min-width: auto;
        }
        
        .nav-item:hover span {
            position: static;
            opacity: 1;
            transform: translateX(0);
        }
        
        .nav-item:hover i {
            margin-right: 8px;
        }
        
        .nav-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--accent-gradient);
            transition: left 0.3s ease;
            z-index: -1;
        }
        
        .nav-item:hover::before {
            left: 0;
        }
        
        /* Active state with underglow */
        .nav-item.active {
            background: rgba(0, 255, 136, 0.1);
            border: 1px solid rgba(0, 255, 136, 0.3);
            color: #00ff88;
            box-shadow: 
                0 0 20px rgba(0, 255, 136, 0.3),
                inset 0 0 20px rgba(0, 255, 136, 0.1);
        }
        
        .nav-item.active i {
            filter: drop-shadow(0 0 4px rgba(0, 255, 136, 0.8));
        }
        
        /* Mobile menu toggle - make it visible */
        .mobile-menu-toggle {
            display: none;
            font-size: 1.5em;
            cursor: pointer;
            color: white;
            background: none;
            border: none;
        }
        
        /* Hide mobile-only elements on desktop */
        .mobile-only-nav,
        .mobile-more-button,
        .mobile-more-menu,
        .mobile-more-backdrop {
            display: none !important;
        }
        
        /* Connection Status */
        .connection-status {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 10px 20px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9em;
            z-index: 100;
            transition: all 0.3s ease;
            pointer-events: none;
            transform: translateX(0);
        }
        
        .connection-status.connected {
            opacity: 0;
            transform: translateX(100px);
            visibility: hidden;
        }
        
        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #00ff88;
        }
        
        /* User Profile Widget */
        .user-profile {
            position: fixed;
            top: 80px;
            right: 20px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 15px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            font-size: 0.9em;
            z-index: 100;
            min-width: 200px;
        }
        
        .user-profile h4 {
            margin-bottom: 10px;
            color: #00ff88;
        }
        
        .user-profile p {
            margin: 5px 0;
            opacity: 0.8;
        }
        
        .user-profile button {
            margin-top: 10px;
            width: 100%;
        }
        
        /* Alert Banner */
        .alert-banner {
            position: fixed;
            top: 80px;
            left: 0;
            right: 0;
            background: rgba(255, 68, 68, 0.9);
            color: white;
            padding: 15px;
            text-align: center;
            z-index: 999;
            transform: translateY(-100%);
            transition: transform 0.3s ease;
        }
        
        .alert-banner.show {
            transform: translateY(0);
        }
        
        /* Main Container */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 120px 20px 20px;
            min-height: 100vh;
        }
        
        /* Header */
        header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .header-content {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 40px 30px 50px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            margin-bottom: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        }
        
        h1 {
            font-size: 4.5em;
            font-weight: 800;
            letter-spacing: -0.04em;
            background: linear-gradient(135deg, #00ff88, #00d4ff, #ff00ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            background-size: 200% 200%;
            animation: gradientShift 8s ease infinite;
            margin-bottom: 10px;
            position: relative;
        }
        
        
        .subtitle {
            font-size: 1.5em;
            margin-bottom: 0;
            font-weight: 300;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.7);
            position: relative;
        }
        
        .subtitle::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 2px;
            background: linear-gradient(90deg, transparent, #00ff88, transparent);
            opacity: 0.8;
        }
        
        /* Action Buttons */
        .action-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        
        .btn {
            padding: 15px 30px;
            border: none;
            border-radius: 30px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            color: white;
            font-size: 1em;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
            position: relative;
            overflow: hidden;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
        }
        
        .btn-primary {
            background: linear-gradient(45deg, #00ff88, #00d4ff);
            color: #000;
            font-weight: bold;
        }
        
        .btn-danger {
            background: linear-gradient(45deg, #ff4444, #ff0088);
        }
        
        /* Sections */
        .section {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .section.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* Dashboard Grid */
        .dashboard {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        
        /* Cards */
        .card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 25px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 255, 136, 0.5);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        
        .card::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: var(--accent-gradient);
            border-radius: 20px;
            opacity: 0;
            z-index: -1;
            transition: opacity 0.3s ease;
        }
        
        .card:hover::before {
            opacity: 0.3;
        }
        
        /* Friend Cards with Animation */
        .friend-card {
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        
        .friend-card.pulse {
            animation: cardPulse 0.5s ease;
        }
        
        @keyframes cardPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        
        /* Subtle BAC warning indicator */
        .friend-card.bac-warning {
            border: 3px solid rgba(255, 68, 68, 0.6);
            box-shadow: 0 0 30px rgba(255, 68, 68, 0.3);
        }
        
        .friend-card.bac-warning::after {
            content: '⚠️';
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 1.2em;
            opacity: 0.8;
            animation: warningPulse 2s ease-in-out infinite;
            z-index: 10;
        }
        
        @keyframes warningPulse {
            0%, 100% { opacity: 0.8; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.1); }
        }
        
        .friend-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2em;
            margin-bottom: 15px;
        }
        
        .friend-name {
            font-size: 1.5em;
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        .bac-value {
            font-size: 3em;
            font-weight: bold;
            margin: 20px 0;
            font-variant-numeric: tabular-nums;
            display: flex;
            align-items: baseline;
            gap: 10px;
        }
        
        .bac-trend {
            font-size: 0.5em;
        }
        
        .trend-up { color: #ff4444; }
        .trend-down { color: #00ff88; }
        
        .bac-safe { color: #00ff88; }
        .bac-caution { color: #ffcc00; }
        .bac-danger { color: #ff4444; }
        .bac-critical { 
            color: #ff0088;
            animation: blink 1s infinite;
        }
        
        @keyframes blink {
            50% { opacity: 0.5; }
        }
        
        .friend-status {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 15px;
        }
        
        .status-badge {
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9em;
            background: rgba(255, 255, 255, 0.1);
        }
        
        .location-tag {
            font-size: 0.9em;
            opacity: 0.7;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        /* Party Stats */
        .party-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .stat-card {
            background: var(--glass-bg);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .stat-card:hover {
            transform: scale(1.05);
            background: rgba(255, 255, 255, 0.1);
        }
        
        .stat-icon {
            font-size: 2em;
            margin-bottom: 10px;
        }
        
        .stat-value {
            font-size: 2em;
            font-weight: bold;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .stat-label {
            font-size: 0.9em;
            opacity: 0.7;
            margin-top: 5px;
        }
        
        /* Games Section */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .game-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .game-card:hover {
            transform: translateY(-10px) rotateZ(-2deg);
            box-shadow: 0 20px 40px rgba(0, 255, 136, 0.3);
        }
        
        .game-icon {
            font-size: 3em;
            margin-bottom: 15px;
        }
        
        .game-title {
            font-size: 1.3em;
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        .game-players {
            opacity: 0.7;
            font-size: 0.9em;
        }
        
        /* Achievements */
        .achievements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
            margin: 40px 0;
        }
        
        .achievement {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            position: relative;
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        
        .achievement:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
        }
        
        .achievement.unlocked {
            background: rgba(0, 255, 136, 0.1);
            border-color: rgba(0, 255, 136, 0.5);
            animation: achievementUnlock 0.5s ease;
        }
        
        @keyframes achievementUnlock {
            0% { transform: scale(0) rotate(180deg); }
            50% { transform: scale(1.2) rotate(360deg); }
            100% { transform: scale(1) rotate(360deg); }
        }
        
        .achievement-icon {
            font-size: 2.5em;
            margin-bottom: 5px;
            filter: grayscale(1);
            transition: filter 0.3s ease;
        }
        
        .achievement.unlocked .achievement-icon {
            filter: grayscale(0);
        }
        
        .achievement-name {
            font-size: 0.9em;
            font-weight: bold;
            margin-bottom: 2px;
        }
        
        .achievement-description {
            font-size: 0.75em;
            opacity: 0.7;
            line-height: 1.3;
        }
        
        .achievement:not(.unlocked) {
            opacity: 0.8;
        }
        
        /* Achievement Progress */
        .achievement-progress {
            margin-top: 8px;
            width: 100%;
        }
        
        .progress-bar {
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 4px;
        }
        
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #00ff88 0%, #00d4ff 100%);
            border-radius: 3px;
            transition: width 0.5s ease;
        }
        
        .progress-text {
            font-size: 0.7em;
            opacity: 0.7;
        }
        
        .achievement-unlocked-date {
            font-size: 0.65em;
            opacity: 0.6;
            margin-top: 5px;
        }
        
        /* Achievement Notification */
        .achievement-notification {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0.9);
            z-index: 10000;
            opacity: 0;
            transition: all 0.5s ease;
            pointer-events: none;
        }
        
        .achievement-notification.show {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
        }
        
        .achievement-popup {
            background: linear-gradient(135deg, rgba(10, 10, 10, 0.98) 0%, rgba(30, 30, 30, 0.98) 100%);
            border: 2px solid #00ff88;
            border-radius: 20px;
            padding: 25px 35px;
            backdrop-filter: blur(20px);
            box-shadow: 0 20px 60px rgba(0, 255, 136, 0.5);
            display: flex;
            align-items: center;
            gap: 20px;
            animation: glow 2s ease-in-out infinite;
        }
        
        @keyframes glow {
            0%, 100% { box-shadow: 0 20px 60px rgba(0, 255, 136, 0.5); }
            50% { box-shadow: 0 20px 80px rgba(0, 255, 136, 0.8); }
        }
        
        .achievement-popup-icon {
            font-size: 3.5em;
            animation: bounce 1s ease-in-out;
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        .achievement-popup-content {
            text-align: left;
        }
        
        .achievement-popup-title {
            color: #00ff88;
            font-size: 0.85em;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 5px;
        }
        
        .achievement-popup-name {
            font-size: 1.3em;
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .achievement-popup-description {
            font-size: 0.85em;
            opacity: 0.8;
        }
        
        /* Music Visualizer */
        .visualizer {
            height: 200px;
            background: var(--glass-bg);
            border-radius: 20px;
            padding: 20px;
            margin: 20px 0;
            display: flex;
            align-items: flex-end;
            justify-content: space-around;
            gap: 5px;
        }
        
        .bar {
            width: 100%;
            background: var(--accent-gradient);
            border-radius: 5px 5px 0 0;
            transition: height 0.1s ease;
        }
        
        /* Chat Section */
        .chat-container {
            background: var(--glass-bg);
            border-radius: 20px;
            padding: 20px;
            height: 400px;
            display: flex;
            flex-direction: column;
        }
        
        .chat-messages {
            flex: 1;
            overflow-y: auto;
            margin-bottom: 20px;
            padding: 10px;
        }
        
        .chat-message {
            margin-bottom: 15px;
            padding: 10px 15px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            animation: slideIn 0.3s ease;
        }
        
        .chat-message.own {
            background: rgba(0, 255, 136, 0.2);
            text-align: right;
        }
        
        .chat-author {
            font-weight: bold;
            font-size: 0.9em;
            margin-bottom: 5px;
        }
        
        .chat-input {
            display: flex;
            gap: 10px;
        }
        
        .chat-input input {
            flex: 1;
            padding: 12px 20px;
            border: 1px solid var(--glass-border);
            border-radius: 25px;
            background: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 1em;
        }
        
        /* Emergency Section */
        .emergency-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .emergency-card {
            background: rgba(255, 68, 68, 0.1);
            border: 1px solid rgba(255, 68, 68, 0.3);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .emergency-card:hover {
            transform: scale(1.05);
            background: rgba(255, 68, 68, 0.2);
            box-shadow: 0 10px 30px rgba(255, 68, 68, 0.3);
        }
        
        .emergency-icon {
            font-size: 3em;
            margin-bottom: 15px;
        }
        
        /* Leaderboard */
        .leaderboard {
            background: var(--glass-bg);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 40px;
        }
        
        .leaderboard h2 {
            font-size: 2em;
            margin-bottom: 20px;
            text-align: center;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .leaderboard-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px 20px;
            margin: 10px 0;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .leaderboard-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(10px);
        }
        
        .rank {
            font-size: 1.5em;
            font-weight: bold;
            width: 50px;
        }
        
        .rank-1 { color: #ffd700; }
        .rank-2 { color: #c0c0c0; }
        .rank-3 { color: #cd7f32; }
        
        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 2000;
            align-items: center;
            justify-content: center;
        }
        
        .modal.show {
            display: flex;
        }
        
        .modal-content {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 40px;
            max-width: 500px;
            width: 90%;
            animation: modalIn 0.3s ease;
            max-height: 90vh;
            overflow-y: auto;
        }
        
        @keyframes modalIn {
            from {
                opacity: 0;
                transform: scale(0.8);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        
        /* Notifications */
        .notification {
            position: fixed;
            top: 100px;
            right: 20px;
            background: rgba(0, 255, 136, 0.9);
            color: #000;
            padding: 15px 25px;
            border-radius: 10px;
            animation: slideInRight 0.3s ease;
            z-index: 3000;
            cursor: pointer;
            max-width: 300px;
        }
        
        .notification.error {
            background: var(--error-bg);
            color: white;
        }
        
        .notification.success {
            background: var(--success-bg);
            color: #000;
        }
        
        @keyframes slideInRight {
            from { transform: translateX(400px); }
            to { transform: translateX(0); }
        }
        
        /* Auth Container */
        .auth-container {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.95);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 5000;
        }
        
        .auth-box {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 30px;
            padding: 40px;
            max-width: 400px;
            width: 90%;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            animation: modalIn 0.5s ease;
        }
        
        .auth-box h2 {
            text-align: center;
            margin-bottom: 30px;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            opacity: 0.8;
        }
        
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 20px;
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 1em;
        }
        
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: #00ff88;
            box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2);
        }
        
        .auth-error {
            background: rgba(255, 68, 68, 0.2);
            border: 1px solid rgba(255, 68, 68, 0.5);
            color: #ff4444;
            padding: 12px;
            border-radius: 10px;
            margin-bottom: 20px;
            text-align: center;
            font-weight: 500;
            display: none;
        }
        
        .auth-error.show {
            display: block;
            animation: shake 0.5s ease;
        }
        
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-10px); }
            75% { transform: translateX(10px); }
        }
        
        .auth-toggle {
            text-align: center;
            margin-top: 20px;
            opacity: 0.8;
        }
        
        .auth-toggle a {
            color: #00ff88;
            text-decoration: none;
            cursor: pointer;
        }
        
        .auth-toggle a:hover {
            text-decoration: underline;
        }
        
        /* Loading state */
        .loading-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: #00ff88;
            animation: spin 1s ease-in-out infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .auth-loading {
            display: none;
            text-align: center;
            padding: 20px;
        }
        
        .auth-loading.show {
            display: block;
        }
        
        /* Device Management */
        .device-list {
            display: grid;
            gap: 15px;
            margin: 20px 0;
        }
        
        .device-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .device-info h4 {
            margin-bottom: 5px;
            color: #00ff88;
        }
        
        .device-info p {
            opacity: 0.7;
            font-size: 0.9em;
        }
        
        .pairing-code-display {
            background: rgba(0, 255, 136, 0.1);
            border: 2px dashed rgba(0, 255, 136, 0.5);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            margin: 20px 0;
        }
        
        .pairing-code {
            font-size: 2.5em;
            font-weight: bold;
            font-family: monospace;
            letter-spacing: 0.2em;
            color: #00ff88;
            margin: 20px 0;
        }
        
        /* Friends System */
        .friends-search {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
        }
        
        .search-input {
            flex: 1;
            padding: 15px 25px;
            border: 2px solid var(--glass-border);
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 1.1em;
            transition: all 0.3s ease;
        }
        
        .search-input:focus {
            outline: none;
            border-color: #00ff88;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
        }
        
        .search-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        
        .friend-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            margin-bottom: 15px;
            transition: all 0.3s ease;
        }
        
        .friend-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(5px);
        }
        
        .friend-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .friend-avatar-small {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5em;
        }
        
        .friend-details h4 {
            margin-bottom: 5px;
        }
        
        .friend-details p {
            opacity: 0.7;
            font-size: 0.9em;
        }
        
        .friend-actions {
            display: flex;
            gap: 10px;
        }
        
        .permission-select {
            padding: 8px 15px;
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 0.9em;
            cursor: pointer;
        }
        
        .friend-permission {
            display: inline-block;
            padding: 5px 10px;
            border-radius: 15px;
            font-size: 0.8em;
            margin-left: 10px;
            background: rgba(255, 255, 255, 0.1);
        }
        
        .permission-observer { color: #ffcc00; }
        .permission-buddy { color: #00d4ff; }
        .permission-guardian { color: #00ff88; }
        
        /* Friend Request */
        .friend-request {
            background: rgba(0, 255, 136, 0.1);
            border: 1px solid rgba(0, 255, 136, 0.3);
            padding: 15px;
            border-radius: 15px;
            margin: 10px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        /* Collapsible Chart Container */
        .chart-container {
            position: relative;
            transition: all 0.3s ease;
            margin-top: 20px;
        }
        
        .chart-toggle {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 5px 15px;
            cursor: pointer;
            font-size: 0.9em;
            display: block;
            width: 100%;
        }
        
        .chart-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        
        .chart-wrapper {
            height: 250px;
            transition: height 0.3s ease;
            overflow: hidden;
        }
        
        .chart-wrapper.collapsed {
            height: 0;
        }
        
        /* Info Box */
        .info-box {
            background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 212, 255, 0.1));
            border: 1px solid rgba(0, 255, 136, 0.3);
            border-radius: 20px;
            padding: 20px;
            margin: 20px 0;
        }
        
        .info-box h3 {
            margin-bottom: 15px;
            color: #00ff88;
        }
        
        .info-box p {
            margin-bottom: 10px;
            line-height: 1.6;
        }
        
        .info-box code {
            background: rgba(0, 0, 0, 0.3);
            padding: 2px 6px;
            border-radius: 4px;
            font-family: monospace;
        }
        
        /* Settings/Profile Section */
        .profile-header {
            display: flex;
            align-items: center;
            gap: 30px;
            margin-bottom: 40px;
            padding: 30px;
            background: var(--glass-bg);
            border-radius: 20px;
            border: 1px solid var(--glass-border);
        }
        
        .profile-avatar {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3em;
            cursor: pointer;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .profile-avatar:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
        }
        
        .profile-info h2 {
            margin-bottom: 10px;
            font-size: 2em;
        }
        
        .profile-info p {
            opacity: 0.8;
            margin: 5px 0;
        }
        
        .settings-grid {
            display: grid;
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .settings-section {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 30px;
        }
        
        .settings-section h3 {
            margin-bottom: 20px;
            color: #00ff88;
            font-size: 1.5em;
        }
        
        .settings-form {
            display: grid;
            gap: 20px;
        }
        
        .form-group label {
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
            opacity: 0.9;
        }
        
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 20px;
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 1em;
            transition: all 0.3s ease;
        }
        
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #00ff88;
            background: rgba(255, 255, 255, 0.08);
        }
        
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        
        .toggle-group {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .toggle-group:last-child {
            border-bottom: none;
        }
        
        .toggle-label {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        
        .toggle-label span {
            font-weight: 600;
        }
        
        .toggle-label small {
            opacity: 0.7;
            font-size: 0.9em;
        }
        
        .toggle-switch {
            position: relative;
            width: 60px;
            height: 30px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .toggle-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        
        .toggle-slider {
            position: absolute;
            top: 2px;
            left: 2px;
            width: 26px;
            height: 26px;
            background: white;
            border-radius: 50%;
            transition: all 0.3s ease;
        }
        
        .toggle-switch input:checked + .toggle-slider {
            transform: translateX(30px);
        }
        
        .toggle-switch input:checked ~ .toggle-switch {
            background: #00ff88;
        }
        
        .toggle-switch.active {
            background: #00ff88;
        }
        
        .linked-accounts {
            display: grid;
            gap: 15px;
            margin-top: 20px;
        }
        
        .account-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
        }
        
        .account-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .account-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5em;
        }
        
        .phone-icon { background: rgba(0, 255, 136, 0.2); }
        .email-icon { background: rgba(0, 212, 255, 0.2); }
        
        /* Medium screens - show hamburger menu */
        @media (max-width: 1200px) {
            .mobile-menu-toggle {
                display: block;
            }
            
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(0, 0, 0, 0.95);
                flex-direction: column;
                padding: 20px;
                gap: 10px;
                border-radius: 0 0 20px 20px;
                max-height: 80vh;
                overflow-y: auto;
            }
            
            .nav-menu.show {
                display: flex;
            }
        }
        
        /* Mobile-First Responsive Design */
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(0, 0, 0, 0.95);
                flex-direction: column;
                padding: 20px;
                gap: 10px;
                border-radius: 0 0 20px 20px;
            }
            
            .nav-menu.show {
                display: flex;
            }
            
            .user-profile {
                position: static;
                margin: 20px auto;
                max-width: 300px;
            }
            
            h1 {
                font-size: 2em;
            }
            
            .dashboard {
                grid-template-columns: 1fr;
            }
            
            .party-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .achievements-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .emergency-grid {
                grid-template-columns: 1fr;
            }
            
            .action-buttons {
                flex-direction: column;
                width: 100%;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
            
            .friend-card {
                padding: 20px;
            }
            
            .bac-value {
                font-size: 2em;
            }
            
            .stat-value {
                font-size: 1.5em;
            }
            
            .modal-content {
                margin: 20px;
                padding: 20px;
                max-height: 90vh;
                overflow-y: auto;
            }
            
            .game-container {
                padding: 20px;
            }
            
            .timer-display {
                font-size: 3em;
            }
            
            .question-card {
                font-size: 1.2em;
                padding: 20px;
            }
            
            .leaderboard h2 {
                font-size: 1.5em;
            }
            
            /* Fix drink section on mobile */
            #drinks .card {
                padding: 15px;
            }
            
            #drinkType, #drinkAmount, #alcoholPercent {
                font-size: 16px; /* Prevents zoom on iOS */
            }
            
            .container {
                padding: 80px 10px 20px;
            }
            
            /* Fix overlapping elements */
            .connection-status {
                bottom: 80px;
                font-size: 0.8em;
            }
            
            /* Better touch targets */
            .nav-item, .btn, .card {
                min-height: 44px;
                display: flex;
                align-items: center;
            }
            
            .profile-header {
                flex-direction: column;
                text-align: center;
            }
            
            .profile-avatar {
                width: 100px;
                height: 100px;
                font-size: 2.5em;
            }
        }
        
        /* Tablet adjustments */
        @media (min-width: 769px) and (max-width: 1024px) {
            .dashboard {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .games-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        /* Prevent horizontal scroll on mobile */
        html, body {
            overflow-x: hidden;
            max-width: 100%;
        }
        
        /* Fix iOS button styles */
        input, select, button {
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
        }
        
        /* Better mobile form inputs */
        input[type="number"],
        input[type="text"],
        input[type="tel"],
        input[type="email"],
        input[type="password"],
        select {
            font-size: 16px;
            padding: 12px;
            width: 100%;
            box-sizing: border-box;
        }
        
        /* Loading state */
        .skeleton {
            background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
            background-size: 200% 100%;
            animation: loading 1.5s infinite;
        }
        
        @keyframes loading {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        
        /* Error state */
        .error {
            background: rgba(255, 68, 68, 0.1);
            border: 1px solid rgba(255, 68, 68, 0.3);
            color: #ff4444;
            padding: 20px;
            border-radius: 10px;
            margin: 20px 0;
        }
        
        /* Loading Animation */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: #00ff88;
            animation: spin 1s ease-in-out infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }
        
        ::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
        }
        
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 5px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.3);
        }
        
        /* Game Overlay */
        .game-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.95);
            z-index: 3000;
            display: none;
            align-items: center;
            justify-content: center;
        }
        
        .game-overlay.show {
            display: flex;
        }
        
        .game-container {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 30px;
            padding: 40px;
            max-width: 800px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            animation: gameIn 0.5s ease;
        }
        
        @keyframes gameIn {
            from {
                opacity: 0;
                transform: scale(0.8) rotateX(30deg);
            }
            to {
                opacity: 1;
                transform: scale(1) rotateX(0);
            }
        }
        
        .game-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }
        
        .game-title {
            font-size: 2em;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .close-game {
            font-size: 2em;
            cursor: pointer;
            opacity: 0.7;
            transition: all 0.3s ease;
        }
        
        .close-game:hover {
            opacity: 1;
            transform: rotate(90deg);
        }
        
        /* Timer Display */
        .timer-display {
            font-size: 4em;
            font-weight: bold;
            text-align: center;
            margin: 30px 0;
            font-variant-numeric: tabular-nums;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        /* Score Display */
        .score-display {
            display: flex;
            justify-content: space-around;
            margin: 30px 0;
        }
        
        .team-score {
            text-align: center;
            padding: 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            min-width: 150px;
        }
        
        .team-name {
            font-size: 1.2em;
            margin-bottom: 10px;
            opacity: 0.8;
        }
        
        .team-points {
            font-size: 3em;
            font-weight: bold;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        /* Question Card */
        .question-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 40px;
            margin: 30px 0;
            text-align: center;
            font-size: 1.5em;
            line-height: 1.6;
            animation: questionIn 0.5s ease;
        }
        
        @keyframes questionIn {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* Location Map */
        .location-map {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 20px;
            margin: 20px 0;
            height: 300px;
            position: relative;
            overflow: hidden;
        }
        
        .location-dot {
            position: absolute;
            width: 20px;
            height: 20px;
            background: var(--accent-gradient);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }
        
        /* First Aid Card */
        .first-aid-card {
            background: rgba(255, 68, 68, 0.1);
            border: 1px solid rgba(255, 68, 68, 0.3);
            border-radius: 20px;
            padding: 30px;
            margin: 20px 0;
        }
        
        .first-aid-step {
            margin: 15px 0;
            padding-left: 30px;
            position: relative;
        }
        
        .first-aid-step::before {
            content: attr(data-step);
            position: absolute;
            left: 0;
            top: 0;
            width: 25px;
            height: 25px;
            background: var(--accent-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #000;
        }
        
        /* Buddy System */
        .buddy-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
            margin: 20px 0;
        }
        
        .buddy-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .buddy-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 255, 136, 0.5);
        }
        
        .buddy-status {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin-left: 5px;
        }
        
        .buddy-status.online {
            background: #00ff88;
            animation: pulse 2s infinite;
        }
        
        .buddy-status.offline {
            background: #666;
        }
        
        /* Settings Saved Animation */
        @keyframes settingsSaved {
            0% {
                transform: scale(0) rotate(180deg);
                opacity: 0;
            }
            50% {
                transform: scale(1.2) rotate(360deg);
                opacity: 1;
            }
            100% {
                transform: scale(1) rotate(360deg);
                opacity: 1;
            }
        }
        
        .settings-saved {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 5em;
            animation: settingsSaved 0.5s ease;
            z-index: 4000;
        }
        
        /* Advanced Stats */
        .advanced-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .stat-chart {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 20px;
            height: 250px;
        }
        
        /* Prediction Engine */
        .prediction-card {
            background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 212, 255, 0.1));
            border: 1px solid rgba(0, 255, 136, 0.3);
            border-radius: 20px;
            padding: 30px;
            margin: 20px 0;
            text-align: center;
        }
        
        .prediction-value {
            font-size: 2em;
            font-weight: bold;
            margin: 20px 0;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .phone-input-group {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        
        .country-code {
            width: 100px;
            padding: 12px;
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 1em;
        }
        
        .phone-number {
            flex: 1;
        }
        
        /* Verification code input */
        .verification-input {
            text-align: center;
            font-size: 1.5em;
            letter-spacing: 0.5em;
            font-family: monospace;
        }
        
        /* Phone verification info */
        .verification-info {
            background: rgba(0, 255, 136, 0.1);
            border: 1px solid rgba(0, 255, 136, 0.3);
            border-radius: 10px;
            padding: 15px;
            margin: 20px 0;
            text-align: center;
            font-size: 0.9em;
        }
        
        /* PWA Install Button */
        .install-button {
            background: var(--accent-gradient);
            color: var(--bg-color);
            border: none;
            padding: 12px 24px;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            animation: pulse 2s infinite;
        }
        
        .install-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 255, 136, 0.3);
        }
        
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.4); }
            50% { box-shadow: 0 0 0 10px rgba(0, 255, 136, 0); }
            100% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0); }
        }
        
        /* Offline indicator */
        .offline-indicator {
            position: fixed;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 68, 68, 0.9);
            color: white;
            padding: 10px 20px;
            border-radius: 25px;
            display: none;
            align-items: center;
            gap: 10px;
            z-index: 1000;
        }
        
        .offline-indicator.show {
            display: flex;
        }
        
        /* Party System Styles */
        .party-section {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 30px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        
        .party-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .party-header h3 {
            font-size: 1.8em;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .party-code-display {
            background: rgba(0, 255, 136, 0.1);
            border: 2px solid rgba(0, 255, 136, 0.3);
            border-radius: 15px;
            padding: 10px 20px;
            font-family: monospace;
            font-size: 1.4em;
            font-weight: bold;
            letter-spacing: 0.1em;
            color: #00ff88;
        }
        
        .party-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        
        .party-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .party-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 255, 136, 0.5);
            box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
        }
        
        .party-card.active {
            border: 2px solid #00ff88;
            background: rgba(0, 255, 136, 0.05);
        }
        
        .party-privacy-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.8em;
            font-weight: bold;
        }
        
        .privacy-private {
            background: rgba(255, 68, 68, 0.2);
            color: #ff4444;
        }
        
        .privacy-friends {
            background: rgba(255, 204, 0, 0.2);
            color: #ffcc00;
        }
        
        .privacy-public {
            background: rgba(0, 255, 136, 0.2);
            color: #00ff88;
        }
        
        .party-members {
            display: flex;
            gap: -10px;
            margin: 15px 0;
        }
        
        .member-avatar {
            width: 35px;
            height: 35px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9em;
            border: 2px solid #0a0a0a;
            position: relative;
        }
        
        .member-avatar:not(:first-child) {
            margin-left: -10px;
        }
        
        .party-member-count {
            margin-left: 15px;
            padding: 5px 10px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            font-size: 0.9em;
        }
        
        .party-join-section {
            display: flex;
            gap: 15px;
            align-items: center;
            margin: 20px 0;
        }
        
        .party-code-input {
            flex: 1;
            padding: 15px;
            border: 2px solid var(--glass-border);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 1.2em;
            font-family: monospace;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            text-align: center;
        }
        
        .party-code-input:focus {
            outline: none;
            border-color: #00ff88;
            box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
        }
        
        .party-code-input::placeholder {
            color: rgba(255, 255, 255, 0.3);
            text-transform: none;
            letter-spacing: normal;
        }
        
        .party-leaderboard {
            background: rgba(255, 255, 255, 0.02);
            border-radius: 15px;
            padding: 20px;
            margin-top: 20px;
        }
        
        .party-leaderboard h4 {
            margin-bottom: 15px;
            color: #00ff88;
        }
        
        .party-leaderboard-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px;
            margin-bottom: 10px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        
        .party-leaderboard-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(5px);
        }
        
        .quick-add-btn {
            padding: 5px 10px;
            border: 1px solid #00ff88;
            border-radius: 20px;
            background: transparent;
            color: #00ff88;
            font-size: 0.8em;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-left: 10px;
        }
        
        .quick-add-btn:hover {
            background: #00ff88;
            color: #000;
        }
        
        .party-requests {
            background: rgba(255, 204, 0, 0.1);
            border: 1px solid rgba(255, 204, 0, 0.3);
            border-radius: 15px;
            padding: 20px;
            margin: 20px 0;
        }
        
        .party-request-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            margin-bottom: 10px;
        }
        
        .party-request-actions {
            display: flex;
            gap: 10px;
        }
        
        .approve-btn {
            padding: 8px 15px;
            border: none;
            border-radius: 20px;
            background: #00ff88;
            color: #000;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .reject-btn {
            padding: 8px 15px;
            border: 1px solid #ff4444;
            border-radius: 20px;
            background: transparent;
            color: #ff4444;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .reject-btn:hover {
            background: #ff4444;
            color: white;
        }
        
        /* Party Chat Styles */
        .party-chat {
            background: rgba(255, 255, 255, 0.02);
            border-radius: 15px;
            padding: 20px;
        }
        
        .party-chat-messages {
            height: 300px;
            overflow-y: auto;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 10px;
            padding: 15px;
            margin: 15px 0;
        }
        
        .chat-message-own {
            margin: 10px 0;
            padding: 10px;
            background: rgba(0, 255, 136, 0.2);
            border-radius: 10px;
            margin-left: 20%;
            position: relative;
        }
        
        .chat-reactions {
            display: flex;
            gap: 5px;
            margin: 10px 0;
            flex-wrap: wrap;
        }
        
        .reaction-btn {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 8px 12px;
            border-radius: 20px;
            cursor: pointer;
            font-size: 1.2em;
            transition: all 0.3s ease;
        }
        
        .reaction-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: scale(1.1);
        }
        
        .chat-reaction {
            text-align: center;
            margin: 15px 0;
            opacity: 0.8;
        }
        
        .reaction-emoji {
            font-size: 2em;
            display: block;
            margin: 5px 0;
        }
        
        .reaction-author {
            font-size: 0.8em;
            opacity: 0.7;
        }
        
        .chat-safety-alert {
            margin: 15px 0;
            padding: 15px;
            background: rgba(255, 68, 68, 0.2);
            border: 1px solid rgba(255, 68, 68, 0.5);
            border-radius: 10px;
            text-align: center;
        }
        
        .safety-alert-content {
            font-weight: bold;
            color: #ff4444;
        }
        
        /* Trivia Category Styles */
        .category-btn {
            transform: scale(1);
            transition: all 0.3s ease !important;
        }
        
        .category-btn:hover {
            transform: scale(1.05) !important;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3) !important;
        }
        
        .category-btn:active {
            transform: scale(0.98) !important;
        }