* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #ffffff 0%, #ffffff 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        .center-image {
            display: block;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 30px;
        }
        .container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            max-width: 600px;
            width: 100%;
            padding: 40px;
        }
        
        h2 {
            text-align: center;
            color: #333;
            margin-bottom: 10px;
            font-size: 28px;
        }
        
        .subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 30px;
            font-size: 14px;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 600;
            font-size: 14px;
        }
        
        input {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        
        input:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }
        
        button {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #cad1ef 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease;
        }
        
        button:hover {
            transform: translateY(-2px);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        .flash-messages {
            margin-bottom: 20px;
        }
        
        .flash {
            padding: 12px;
            border-radius: 10px;
            margin-bottom: 10px;
            text-align: center;
            font-size: 14px;
        }
        
        .success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .danger {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        
        /* Стили для участников */
        .members-section {
            margin: 25px 0;
        }
        
        .member-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            padding: 10px;
            background: #f8f9fa;
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        
        .member-number {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: bold;
            font-size: 16px;
            background: #e0e0e0;
            color: #666;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        
        .member-number.green {
            background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
            color: white;
        }
        
        .member-fields {
            flex: 1;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .member-fields input {
            flex: 1;
            min-width: 150px;
            padding: 10px;
            font-size: 14px;
        }
        
        .btn-remove {
            width: auto;
            padding: 8px 15px;
            background: #dc3545;
            font-size: 14px;
            flex-shrink: 0;
        }
        
        .btn-remove:hover {
            background: #c82333;
        }
        
        .btn-add {
            background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
            margin-top: 10px;
        }
        
        .info-text {
            font-size: 12px;
            color: #666;
            margin-top: 10px;
            text-align: center;
        }
        
        .members-title {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            margin-bottom: 15px;
        }
        
        .members-count {
            font-size: 12px;
            color: #666;
        }
        
        @media (max-width: 600px) {
            .container {
                padding: 25px;
            }
            
            h2 {
                font-size: 24px;
            }
            
            .member-fields {
                flex-direction: column;
            }
            
            .member-fields input {
                min-width: auto;
            }
        }
        /* Соцсети */
        .social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin: 20px 0;
        }

        .social a {
            width: 48px;
            height: 48px;
            background: #ffffff;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #4361ee;
            text-decoration: none;
            font-size: 1.3rem;
            transition: background 0.2s;
        }

        .social a:hover {
            background: #4361ee;
            color: white;
        }