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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #75c27d 0%, #ffffff 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .main-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 60px;
            max-width: 900px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-placeholder {
            width: 250px;
            height: 180px;
            background: linear-gradient(135deg, #1c6e38 0%, #75c27d 100%);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            box-shadow: 0 10px 30px rgba(28, 110, 56, 0.3);
        }

        .container {
            background: rgba(255, 255, 255, 0.95);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 450px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .form-container {
            display: none;
        }

        .form-container.active {
            display: block;
            animation: fadeIn 0.5s ease-in-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        h2 {
            text-align: center;
            margin-bottom: 30px;
            color: #333;
            font-weight: 600;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: #555;
            font-weight: 500;
        }

        input[type="text"],
        input[type="email"],
        input[type="tel"],
        input[type="password"],
        select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: #f8f9fa;
        }

        input[type="text"]:focus,
        input[type="email"]:focus,
        input[type="tel"]:focus,
        input[type="password"]:focus,
        select:focus {
            outline: none;
            border-color: #667eea;
            background: white;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        input.valid {
            border-color: #28a745;
        }

        input.invalid {
            border-color: #dc3545;
        }

        select.valid {
            border-color: #28a745;
        }

        .checkbox-group {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 25px;
        }

        input[type="checkbox"] {
            margin-top: 4px;
            transform: scale(1.2);
            cursor: pointer;
        }

        .checkbox-label {
            font-size: 14px;
            color: #666;
            line-height: 1.4;
            cursor: pointer;
        }

        .btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #1c6e38 0%, #1c6e38 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 15px;
        }

        .btn:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(28, 110, 56, 0.3);
            background: linear-gradient(135deg, #248f48 0%, #248f48 100%);
        }

        .btn:active:not(:disabled) {
            transform: translateY(0);
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed !important;
            transform: none !important;
            background: #cccccc !important;
            box-shadow: none !important;
            pointer-events: none;
        }

        .switch-link {
            text-align: center;
            color: #667eea;
            cursor: pointer;
            text-decoration: underline;
            font-size: 14px;
            transition: color 0.3s ease;
            padding: 10px;
            margin-top: 10px;
            display: block;
            position: relative;
            z-index: 10;
            user-select: none;
        }

        .switch-link:hover {
            color: #764ba2;
            background-color: rgba(102, 126, 234, 0.1);
            border-radius: 8px;
        }

        .switch-link:active {
            color: #5a3d8a;
        }

        .success-message {
            background: #d4edda;
            color: #155724;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
            border: 1px solid #c3e6cb;
        }

        .error-message {
            background: #f8d7da;
            color: #721c24;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
            border: 1px solid #f5c6cb;
        }

        .user-credentials {
            background: #e3f2fd;
            padding: 20px;
            border-radius: 10px;
            margin: 20px 0;
            border: 1px solid #bbdefb;
        }

        .credential-item {
            margin-bottom: 10px;
            font-family: monospace;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #fff;
            padding: 10px 15px;
            border-radius: 8px;
            border: 1px solid #bbdefb;
        }

        .credential-label {
            font-weight: 600;
            color: #1976d2;
        }

        .credential-value {
            font-weight: 500;
            color: #333;
            user-select: all;
        }

        .copy-btn {
            background: #1976d2;
            color: white;
            border: none;
            padding: 5px 12px;
            border-radius: 5px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-left: 10px;
        }

        .copy-btn:hover {
            background: #1565c0;
        }

        .copy-btn.copied {
            background: #28a745;
        }

        .proceed-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
            margin-top: 15px;
        }

        .proceed-btn:hover {
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
        }

        .welcome-text {
            font-size: 24px;
            color: #333;
            margin-bottom: 20px;
            text-align: center;
        }

        .user-info {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
            text-align: left;
        }

        .info-row {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid #e0e0e0;
        }

        .info-row:last-child {
            border-bottom: none;
        }

        .info-label {
            font-weight: 600;
            color: #555;
        }

        .info-value {
            color: #333;
        }

        .logout-btn {
            background: #dc3545 !important;
            margin-top: 10px;
        }

        .logout-btn:hover:not(:disabled) {
            background: #c82333 !important;
            box-shadow: 0 10px 25px rgba(220, 53, 69, 0.3);
        }

        .main-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
        }

        .main-btn:hover:not(:disabled) {
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
        }

        #messageContainer {
            margin-bottom: 15px;
        }

        @media (max-width: 768px) {
            .main-wrapper {
                flex-direction: column;
                gap: 30px;
            }

            .logo-placeholder {
                width: 200px;
                height: 140px;
                font-size: 22px;
            }

            .container {
                padding: 30px 25px;
            }
        }